Home/Lexus/IS/Lexus IS III (2013-2016)/Repair manual/Testing & Diagnostics/Engine Control System (Diagnostic Codes (P1235-P2610) & Cir…
Contents Wiring diagrams Section: Testing & Diagnostics All sections

Engine Control System (Diagnostic Codes (P1235-P2610) & Circuit Tests): Other Lexus IS III

Testing & Diagnostics 35 illustrations ~29966 words

MONITOR STRATEGY

Related DTCsP1235: Fuel pump for high pressure circuit / open
Required Sensors/Components (Main)Fuel pump for high pressure
Required Sensors/Components (Related)Injector driver (EDU)
Frequency of OperationContinuous
Duration1 second
MIL OperationImmediate
Sequence of OperationNone

TYPICAL ENABLING CONDITIONS

Monitor runs whenever the following DTCs are not storedNone
All of the following conditions are met
Time after engine start5 seconds or more
Injector driver relayOn
Output duty cycleMore than output duty cycle change map value*, and less than 95%
Battery voltage10.5 V or higher
Engine switchOn (IG)
StarterOff
*: Output duty cycle change map value
Engine speed is 500 rpm5%
Engine speed is 2000 rpm20%
Engine speed is 4000 rpm40%
Engine speed is 6000 rpm60%
Engine speed is 8000 rpm80%

TYPICAL MALFUNCTION THRESHOLDS

Fuel pump conditionNo operation record

CONFIRMATION DRIVING PATTERN

  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on.
  6. Start the engine.
  7. Idle the engine for 10 seconds [A].
  8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].
  9. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  10. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  11. Input the DTC: P1235.
  12. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
  13. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 62

Scheme 62: WIRING DIAGRAM

CAUTION / NOTICE / HINT

HINT

  1. If the current from the INJ relay is cut because DTC P062D is stored, DTC P1235 will be stored even if the fuel pump for high pressure is normal.
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

PROCEDURE

  1. INSPECT FUEL PUMP FOR HIGH PRESSURE Inspect the fuel pump for high pressure. Refer to «INSPECTION [04/2013 - ]»(ref-665752-S19846024682014102400000) HINT: Perform "Inspection After Repair" after replacing the fuel pump for high pressure. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPLACE FUEL PUMP FOR HIGH PRESSURE. Refer to «REMOVAL [04/2013 - ]»(ref-665752-S11712684222014102400000) Result: 1 OK See step 2
  2. CHECK HARNESS AND CONNECTOR (INJECTOR DRIVER (EDU) - FUEL PUMP FOR HIGH PRESSURE) Disconnect the injector driver (EDU) connector. Disconnect the fuel pump for high pressure connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F37-3 (FP+) - F61-1 (FP+) Always Below 1 ohms F37-4 (FP-) - F61-2 (FP-) Always Below 1 ohms F37-3 (FP+) or F61-1 (FP+) - Body ground Always 10 kohms or higher F37-4 (FP-) or F61-2 (FP-) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 3
  3. CHECK HARNESS AND CONNECTOR (ECM - INJECTOR DRIVER (EDU)) Disconnect the ECM connector. Disconnect the injector driver (EDU) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F3-10 (FPF1) - F35-7 (FPF1) Always Below 1 ohms F3-11 (FPD) - F35-8 (FPD) Always Below 1 ohms F3-10 (FPF1) or F35-7 (FPF1) - Body ground Always 10 kohms or higher F3-11 (FPD) or F35-8 (FPD) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 4
  4. INSPECT ECM (FPD VOLTAGE) Turn the engine switch on (IG). Inspect the ECM using an oscilloscope. While cranking the engine, check the waveform the terminals of the ECM connector. ECM Terminal Name F3-11 (FPD) - F4-1 (E1) Tester Range 2 V/DIV., 5 ms./DIV. Condition Cranking *a Component with harness connected (ECM) *b FPD Terminal Waveform Normal Waveform Standard Signal waveform appears as shown in the illustration. HINT: The FPD terminal waveform is output only right after the engine starts. If this DTC is stored when the engine is started from engine switch off, the system enters fail-safe mode and the waveform is not output. Result Proceed to OK NG Result: 2 NG See step 6 Result: 1 OK See step 5
  5. INSPECT ECM (FPD AND FPF1 VOLTAGE) Turn the engine switch on (IG). Inspect the ECM using an oscilloscope. While cranking the engine, check the waveform the terminals of the ECM connector. ECM Terminal Name CH1: F3-11 (FPD) - F4-1 (E1) CH2: F3-10 (FPF1) - F4-1 (E1) Tester Range 2 V/DIV., 5 ms./DIV. Condition Cranking *a Component with harness connected (ECM) *b FPD Terminal and FPF1 Terminal Waveform Normal Waveform *c FPF1 Terminal Waveform NG Waveform 1 *d FPF1 Terminal Waveform NG Waveform 2 HINT: FPD terminal waveform is output only right after the engine starts. Result FPD Terminal Waveform FPF1 Terminal Waveform Proceed to OK OK A OK NG waveform 1* Does not change from NG waveform 1 (FPF1 terminal waveform remains at GND even after disconnecting the injector driver (EDU) connector and cranking the engine) Changes to NG waveform 2 (FPF1 terminal waveform rises from GND after disconnecting the injector driver (EDU) connector and cranking the engine) B OK NG waveform 2 HINT: *: If the FPF1 terminal waveform is similar to the FRF1 terminal waveform NG waveform 1, stop the engine and disconnect F35 injector driver (EDU) connector. Then, while cranking the engine, check to see if there is a difference between the FPF1 terminal waveform and the previous one. Result: 1 A REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 B REPLACE INJECTOR DRIVER (EDU). Refer to «REMOVAL [04/2013 - ]»(ref-665752-S16663720972014102400000)
  6. INSPECT ECM (FPD VOLTAGE) Turn the engine switch on (IG). Disconnect the F35 injector driver (EDU) connector. Inspect the ECM using an oscilloscope. While cranking the engine, check the waveform the terminals of the ECM connector. ECM Terminal Name F3-11 (FPD) - F4-1 (E1) Tester Range 2 V/DIV., 5 ms./DIV. Condition Cranking *a Component with harness connected (ECM) *b FPD Terminal Waveform Normal Waveform Standard Signal waveform appears as shown in the illustration. HINT: FPD terminal waveform is output only right after the engine starts. Result Proceed to OK NG Result: 1 OK REPLACE INJECTOR DRIVER (EDU). Refer to «REMOVAL [04/2013 - ]»(ref-665752-S16663720972014102400000) Result: 2 NG REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000)
Related DTCP1607: Internal control module performance
Required Sensors/Components (Main)ECM
Required Sensors/Components (Related)Cruise control
Frequency of OperationContinuous
Duration0.3 seconds
MIL OperationImmediate
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedNone
Both of the following conditioning met
DMA communication errorNot detected
Cruise controlForbiddance
Either of the following conditions is met(a) or (b)
(a) Cruise controlOperating
(b) Low speed controlOperating
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the Techstream off.
  5. Turn the engine switch off.
  6. Disconnect the Techstream.
  7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
  8. Connect the cable to the negative (-) battery terminal.
  9. Connect the Techstream to the DLC3.
  10. Turn the engine switch on (IG) and turn the Techstream on.
  11. Wait 16 seconds or more.
  12. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  13. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  14. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  15. Input the DTC: P1607.
  16. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
  17. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Note. After turning engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Refer to PRECAUTION [04/2013 - ]

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

  1. READ OUTPUT DTC (DTC P1607) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and turn the Techstream off. Disconnect the Techstream. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute. Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Wait for 16 seconds or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC is not output A DTC P1607 is output B Result: 1 A CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000) Result: 2 B REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000)
Related DTCsP2004: Swirl Control Valve (SCV) stuck open P2006: Swirl Control Valve (SCV) stuck closed
Required Sensors/Components (Main)Swirl control valve
Required Sensors/Components (Related)Intake air temperature sensor Engine coolant temperature sensor
Frequency of OperationContinuous
DurationApproximately 10 seconds
MIL Operation2 driving cycles
Sequence OperationNone
Monitor runs whenever the following DTCs are not storedNone
Engine coolant temperature10°C (14°F) or higher
Intake air temperature10°C (14°F) or higher
Engine switchOn (IG)
Battery voltage8 V or higher
Control valve angle when commanded closed20°CA or more

P2004

Control valve angle when commanded openLess than 35°CA

P2006

Scheme 63

Scheme 63: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG).
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the engine switch off and wait for at least 30 seconds.
  6. Turn the engine switch on (IG) and turn the Techstream on [A].
  7. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary / Coolant Temp. HINT: Check for DTC P2004 at a engine coolant temperature of 30°C (86°F) or less. Check for DTC P2006 at a engine coolant temperature of 80°C (176°F) or higher.
  8. Turn the engine switch off.
  9. Turn the engine switch on (IG), wait approximately 10 seconds, and then turn the engine switch off. Repeat this procedure 3 times [B].
  10. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
  11. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  12. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  13. Input the DTC: P2004 or P2006.
  14. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
  15. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 64

Scheme 64: WIRING DIAGRAM

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2004 OR P2006) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2004 or P2006 is output A DTC P2004 or P2006 and other DTCs are output B HINT: If any DTCs other than P2004 or P2006 are output, troubleshoot those DTCs first. Result: 2 B GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [04/2013 - ]»(ref-665554-S03150692352014102400000) Result: 1 A See step 2
  2. INSPECT INTAKE MANIFOLD (SWIRL CONTROL VALVE OPERATION) Inspect the intake manifold for the swirl control valve operation. Refer to «PROCEDURE - Step 2»(ref-665753-S04000861672014102400000) Result Proceed to OK NG Result: 2 NG REPLACE INTAKE MANIFOLD. Refer to «REMOVAL [04/2013 - ]»(ref-665769-S18378390412014102400000) Result: 1 OK See step 3
  3. CHECK HARNESS AND CONNECTOR (INTAKE AIR CONTROL VALVE ACTUATOR - ECM) Disconnect the ECM connector. Disconnect the intake air control valve actuator connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F43-1 (SCV+) - F3-7 (IA1+) Always Below 1 ohms F43-2 (SCV-) - F3-6 (IA1-) Always Below 1 ohms F43-1 (SCV+) or F3-7 (IA1+) - Body ground Always 10 kohms or higher F43-2 (SCV-) or F3-6 (IA1-) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 4
  4. CHECK WHETHER DTC OUTPUT RECURS (DTC P2004 OR P2006) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2004 or P2006 is output A DTCs are not output B Result: 1 A REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 B CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000)
Related DTCsP2009: Intake air control valve actuator for swirl control valve range check (low current) P2010: Intake air control valve actuator for swirl control valve range check (high current)
Required Sensors/Components (Main)Intake air control valve actuator (for swirl control valve)
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration0.5 seconds: P2009 6 times: P2010
MIL OperationImmediate
Sequence OperationNone
Monitor runs whenever the following DTCs are not storedNone

ALL

All of the following conditions are met
Battery voltage8 V or higher
StarterOff
Output duty cycle100% or higher
Difference between motor current and last motor currentLess than 0.2 A

P2009

All of the following conditions are met
Battery voltage8 V or higher
StarterOff

P2010

Motor currentLess than 0.35 A

P2009

Motor drive IC high current limiter monitor inputFail

P2010

COMPONENT OPERATING RANGE

Motor currentHigher than 0.35 A

P2009

Motor drive IC high current limiter monitor inputPass

P2010

  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG).
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the engine switch off and wait for at least 30 seconds.
  6. Turn the engine switch on (IG) and turn the Techstream on.
  7. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary / Coolant Temp.
  8. Check that the engine coolant temperature is 60°C (140°F) or higher.
  9. Wait approximately 10 seconds.
  10. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  11. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  12. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  13. Input the DTC: P2009 or P2010.
  14. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
  15. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

  1. INSPECT INTAKE MANIFOLD (SWIRL CONTROL VALVE OPERATION) Inspect the intake manifold for the swirl control valve operation. Refer to «PROCEDURE - Step 2»(ref-665753-S04000861672014102400000) Result Proceed to OK NG Result: 2 NG REPLACE INTAKE MANIFOLD. Refer to «REMOVAL [04/2013 - ]»(ref-665769-S18378390412014102400000) Result: 1 OK See step 2
  2. CHECK HARNESS AND CONNECTOR (INTAKE AIR CONTROL VALVE ACTUATOR - ECM) See step 3 Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 3
  3. CHECK WHETHER DTC OUTPUT RECURS (DTC P2009 OR P2010) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Wait approximately 10 seconds. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2009 or P2010 is output A DTCs are not output B Result: 1 A REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 B CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000)
Related DTCsP2014: Swirl control valve position sensor range check (chattering) P2016: Swirl control valve position sensor range check (low voltage) P2017: Swirl control valve position sensor range check (high voltage)
Required Sensors/Components (Main)Intake air control valve actuator (for swirl control valve position sensor)
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration0.5 seconds
MIL OperationImmediate
Sequence OperationNone
Monitor runs whenever the following DTCs are not storedNone
Swirl control valve position sensor voltageLess than 0.2 V, or higher than 4.8 V

P2014

Swirl control valve position sensor voltageLess than 0.2 V

P2016

Swirl control valve position sensor voltageHigher than 4.8 V

P2017

Swirl control valve position sensor voltage0.2 to 4.8 V
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on.
  6. Wait 0.5 seconds or more.
  7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  8. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  9. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  10. Input the DTC: P2014, P2016 or P2017.
  11. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
  12. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

HINT

  1. If other DTCs relating to different systems that have terminal E2 as the ground terminal are output simultaneously, terminal E2 may have an open circuit.
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Scheme 65

Scheme 65: PROCEDURE
  1. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE SCV DUTY RATIO) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the SCV Duty Ratio / Gas Intake Control / IAC Sensor Voltage. Powertrain > Engine > Active Test Active Test Display Control the SCV Duty Ratio Data List Display IAC Sensor Voltage Check the value of IAC Sensor Voltage while changing Control the SCV Duty Ratio from -100 to 100% (or from 100 to -100%) using the Techstream. Standard The value of IAC Sensor Voltage remains between 0.2 to 4.8 V while Control the SCV Duty Ratio is changed from -100 to 100% (or from 100 to -100%). HINT: Control the SCV Duty Ratio Operation IAC Sensor Voltage (Normal) Suspected Trouble Area IAC1 circuit shorted VC circuit open VC and IAC1 circuits shorted IAC1 circuit open E2 circuit open Sensor malfunction -100% 0.2 to 1.0 V Remains below 0.2 V Remains higher than 4.8 V Other than the voltage in the 2 columns on the left 100% 3.2 to 4.8 V Remains below 0.2 V Remains higher than 4.8 V Result Proceed to OK NG Result: 2 NG See step 3 Result: 1 OK See step 2
  2. CHECK WHETHER DTC OUTPUT RECURS (DTC P2014, P2016 AND/OR P2017) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2014, P2016 and/or P2017 is output A DTCs are not output B Result: 1 A REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 B CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000)
  3. CHECK HARNESS AND CONNECTOR (SWIRL CONTROL VALVE POSITION SENSOR - ECM) Disconnect the ECM connector. Disconnect the swirl control valve position sensor connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition s1-1 (VCX) - F1-18 (VC) Always Below 1 ohms s1-3 (VSX) - F1-30 (IAC1) Always Below 1 ohms s1-2 (E2X) - F1-28 (E2) Always Below 1 ohms s1-1 (VCX) or F1-18 (VC) - Body ground Always 10 kohms or higher s1-3 (VSX) or F1-30 (IAC1) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 4
  4. CHECK TERMINAL VOLTAGE (POWER SOURCE OF SWIRL CONTROL VALVE POSITION SENSOR) Disconnect the swirl control valve position sensor connector. *a Front view of wire harness connector (to Intake Air Control Valve Actuator) Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition s1-1 (VCX) - Body ground Engine switch on (IG) 4.5 to 5.5 V Result Proceed to OK NG Result: 2 NG REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 1 OK See step 5
  5. REPLACE INTAKE AIR CONTROL VALVE ACTUATOR (FOR SWIRL CONTROL VALVE POSITION SENSOR) Replace the intake air control valve actuator (for swirl control valve position sensor). Refer to «REMOVAL [04/2013 - ]»(ref-665769-S18378390412014102400000) Result Proceed to NEXT Result: 1 NEXT See step 6
  6. CHECK WHETHER DTC OUTPUT RECURS (DTC P2014, P2016 AND/OR P2017) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2014, P2016 and/or P2017 is output A DTCs are not output B Result: 1 A REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 B END
Related DTCsP2102: Electronic throttle actuator control motor current (low current) P2103: Electronic throttle actuator control motor current (high current)
Required Sensors/Components (Main)Throttle actuator (throttle body with motor assembly)
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration2 seconds: P2102 25 times: P2103 (Case 1) 0.6 seconds: P2103 (Case 2)
MIL OperationImmediate
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedNone

ALL

All of the following conditions are met
Command to electronic throttle actuatorOn
Output duty cycle80% or higher
Electronic throttle actuator power supply voltage8 V or higher
Motor current change during last 0.016 secondsLess than 0.2 A

P2102

Both of the following conditions are met
Command to electronic throttle actuatorOn
Either of the following conditions is met1 or 2
1. Electronic throttle actuator power supply voltage8 V or higher
2. Electronic throttle actuator powerOn

P2103

Motor currentLess than 0.5 A

P2102

Motor driver IC diagnosis signalFail

P2103: (CASE 1)

Motor driver IC high current limiter monitor inputON

P2103: (CASE 2)

Scheme 66

Scheme 66: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on [A].
  6. Start the engine.
  7. With the vehicle stationary, fully depress the accelerator pedal and quickly release it [B].
  8. Check that 16 seconds or more have elapsed from the instant when the accelerator pedal is first depressed.
  9. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
  10. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  11. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  12. Input the DTC: P2102 or P2103.
  13. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or N/A, perform steps [B] and [C] again.
  14. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

FAIL-SAFE

When any of these DTCs or other DTCs relating to Electronic Throttle Control System (ETCS) malfunctions are stored, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator, and the throttle valve is returned to a 6° throttle valve opening angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with the accelerator pedal angle, to allow the vehicle to continue at a minimal speed. If the accelerator pedal is depressed firmly and gently, the vehicle can be driven slowly.

Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

Scheme 67

Scheme 67: WIRING DIAGRAM

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

HINT

  1. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  2. The throttle actuator current (Throttle Motor Current) and the throttle actuator duty ratio (Throttle Motor Duty (Open) / Throttle Motor Duty (Close)) can be read using the Techstream. However, the ECM shuts off the throttle actuator current when the electronic throttle control system malfunctions.
  1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (RESISTANCE OF THROTTLE ACTUATOR) Inspect the throttle body with motor assembly. Refer to «INSPECTION [04/2013 - ]»(ref-665751-S25930068542014102400000) HINT: Perform "Inspection After Repair" after replacing the throttle body with motor assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S14046063072014102400000) Result: 1 OK See step 2
  2. CHECK HARNESS AND CONNECTOR (THROTTLE BODY WITH MOTOR ASSEMBLY - ECM) Disconnect the throttle body with motor assembly connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F21-2 (M+) - F2-7 (M+) Always Below 1 ohms F21-1 (M-) - F2-6 (M-) Always Below 1 ohms F21-2 (M+) or F2-7 (M+) - Body ground Always 10 kohms or higher F21-1 (M-) or F2-6 (M-) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 3
  3. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (VISUALLY CHECK THROTTLE VALVE) Check for foreign matter between the throttle valve and the housing. OK No foreign matter between the throttle valve and housing. HINT: Perform "Inspection After Repair" after cleaning the throttle body with motor assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REMOVE FOREIGN OBJECT AND CLEAN THROTTLE BODY WITH MOTOR ASSEMBLY Result: 1 OK See step 4
  4. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (THROTTLE VALVE) Check if the throttle valve opens and closes smoothly. OK Throttle valve opens and closes smoothly. HINT: Perform "Inspection After Repair" after replacing the throttle body with motor assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 1 OK REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 NG REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S14046063072014102400000)
Related DTCsP2111: Throttle actuator stuck open P2112: Throttle actuator stuck closed
Required Sensors/Components (Main)Throttle actuator (throttle body with motor assembly)
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration0.5 seconds
MIL OperationImmediate
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedNone

ALL

All of the following conditions are met
System guard* judge conditionOn
Throttle actuator current2 A or higher
Duty-cycle to close throttle80% or higher

P2111: THROTTLE ACTUATOR STUCK OPEN

All of the following conditions are met
System guard* judge conditionOn
Throttle actuator current2 A or higher
Duty-cycle to open throttle80% or higher
*: System guard is on when the following conditions are met
Throttle actuatorOn
Throttle actuator duty calculationExecuting
Throttle position sensor failNot detected
Throttle actuator current-cut operationNot executing
Throttle actuator power supply4 V or higher
Throttle actuator failNot detected

P2112: THROTTLE ACTUATOR STUCK CLOSED

Throttle position sensor voltageNo change

P2111: THROTTLE ACTUATOR STUCK OPEN

Throttle position sensor voltageNo change

P2112: THROTTLE ACTUATOR STUCK CLOSED

Scheme 68

Scheme 68: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on [A].
  6. Start the engine and fully depress and release the accelerator pedal quickly (to fully open and close the throttle valve).
  7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].
  8. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  9. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  10. Input the DTC: P2111 or P2112.
  11. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
  12. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

When any of these DTCs or other DTCs relating to Electronic Throttle Control System (ETCS) malfunctions are stored, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator, and the throttle valve is returned to a 6° throttle valve opening angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with the accelerator pedal angle, to allow the vehicle to continue at a minimal speed. If the accelerator pedal is depressed firmly and gently, the vehicle can be driven slowly.

Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

HINT

  1. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  2. Refer to "Data List / Active Test" [Throttle Position Command, Throttle Position No. 1, Throttle Motor Current, Throttle Motor Duty (Open), Throttle Motor Duty (Close)]. Refer to «DATA LIST / ACTIVE TEST [04/2013 - ]»(ref-665554-S28506335252014102400000)
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2111 OR P2112) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2111 or P2112 is output A DTC P2111 or P2112 and other DTCs are output B HINT: If any DTCs other than P2111 or P2112 are output, troubleshoot those DTCs first. Result: 3 B GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [04/2013 - ]»(ref-665554-S03150692352014102400000) Result: 1 A See step 2
  2. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (VISUALLY CHECK THROTTLE VALVE) Check for contamination between the throttle valve and housing. If necessary, clean the throttle body with motor assembly. Also check that the throttle valve moves smoothly. OK Throttle valve is not contaminated with foreign matter and moves smoothly. HINT: Perform "Inspection After Repair" after cleaning the throttle body with motor assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG See step 5 Result: 1 OK See step 3
  3. READ VALUE USING TECHSTREAM (THROTTLE POSITION) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Throttle Position No. 1, Throttle Position No. 2 and Throttle Position Command. Powertrain > Engine > Data List Tester Display Throttle Position No. 1 Throttle Position No. 2 Throttle Position Command Read the values displayed on the Techstream while wiggling the ECM wire harness. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to Value in Data List changes when wire harness is wiggled, or DTC is output A Other than above B Result: 2 B See step 6 Result: 1 A See step 4
  4. REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - THROTTLE BODY WITH MOTOR ASSEMBLY) As the DTC was stored due to a change in the contact resistance of the connector, repair or replace the wire harness or connector. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE [04/2013 - ]»(ref-665529-S31239628642014102400000) Result Proceed to NEXT Result: 1 NEXT END
  5. REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY Replace the throttle body with motor assembly. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S14046063072014102400000) HINT: Perform "Inspection After Repair" after replacing the throttle body with motor assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to NEXT Result: 1 NEXT See step 6
  6. CHECK WHETHER DTC OUTPUT RECURS (DTC P2111 OR P2112) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC is not output A DTC P2111 or P2112 is output B Result: 1 A END Result: 2 B REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000)
Related DTCsP2118: Electronic throttle actuator power supply line range check (low voltage)
Required Sensors/Components (Main)Throttle actuator Throttle valve (throttle body with motor assembly) ETCS fuse
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration0.8 seconds
MIL OperationImmediate
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedNone
Both of the following conditions are met
Command to electronic throttle actuator powerOn
Battery voltage8 V or higher
Electronic throttle actuator power supply voltageLess than 4 V
Electronic throttle controlNormal

Scheme 69

Scheme 69: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on [A].
  6. Start the engine.
  7. Slowly depress the accelerator pedal, raise the engine speed to approximately 3000 rpm over approximately 5 seconds, and then idle the engine [B].
  8. Check that 16 seconds or more have elapsed since the engine was started.
  9. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
  10. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  11. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  12. Input the DTC: P2118.
  13. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or N/A, perform steps [B] and [C] again.
  14. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

When any of these DTCs or other DTCs relating to Electronic Throttle Control System (ETCS) malfunctions are stored, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator, and the throttle valve is returned to a 6° throttle valve opening angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with the accelerator pedal angle, to allow the vehicle to continue at a minimal speed. If the accelerator pedal is depressed firmly and gently, the vehicle can be driven slowly.

Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

  1. READ VALUE USING TECHSTREAM (+BM VOLTAGE) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / +BM Voltage. Powertrain > Engine > Data List Tester Display +BM Voltage Read the value displayed on the Techstream. Result Result Proceed to Less than 4 V A 11 to 14 V B Result: 2 B CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000) Result: 1 A See step 2
  2. CHECK HARNESS AND CONNECTOR (ECM - BATTERY, BODY GROUND) Disconnect the ECM connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F1-1 (+BM) - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F2-5 (ME01) - Body ground Always Below 1 ohms F4-1 (E1) - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
Related DTCsP2119: Electronic Throttle Control System Malfunction
Required Sensors/Components (Main)Throttle actuator (throttle body with motor assembly)
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration1 second: Closed 0.6 seconds: Open
MIL OperationImmediate
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedNone
System guard* judge conditionOn
*: System guard is on when the following conditions are met
Throttle actuatorOn
Throttle actuator duty calculationExecuting
Throttle position sensor failNot detected
Throttle actuator current-cut operationNot executing
Throttle actuator power supply4 V or higher
Throttle actuator failNot detected
Either of the following conditions is metA or B
A. Difference between commanded closed throttle position and current closed throttle position0.3 V or higher
B. Difference between commanded open throttle position and current open throttle position0.3 V or higher

Scheme 70

Scheme 70: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on [A].
  6. Start the engine.
  7. Idle the engine for 20 seconds.
  8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].
  9. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  10. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  11. Input the DTC: P2119.
  12. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or N/A, fully depress and release the accelerator pedal 3 times, and then check the DTC judgment result [C].
  13. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

When any of these DTCs or other DTCs relating to Electronic Throttle Control System (ETCS) malfunctions are stored, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator, and the throttle valve is returned to a 6° throttle valve opening angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with the accelerator pedal angle, to allow the vehicle to continue at a minimal speed. If the accelerator pedal is depressed firmly and gently, the vehicle can be driven slowly.

Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

HINT

  1. Refer to "Data List / Active Test" [Throttle Position Commanded, Throttle Position No. 1, Throttle Motor Current, Throttle Motor Duty (Open) and Throttle Motor Duty (Close)]. Refer to «DATA LIST / ACTIVE TEST [04/2013 - ]»(ref-665554-S28506335252014102400000)
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2119) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2119 is output A DTC P2119 and other DTCs are output B HINT: If any DTCs other than P2119 are output, troubleshoot those DTCs first. Result: 2 B GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [04/2013 - ]»(ref-665554-S03150692352014102400000) Result: 1 A See step 2
  2. READ VALUE USING TECHSTREAM (THROTTLE POSITION) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Start the engine. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Throttle Position No. 1 and Throttle Position Command. Powertrain > Engine > Data List Tester Display Throttle Position No. 1 Throttle Position Command Read the values displayed on the Techstream while fully depressing and releasing the accelerator pedal quickly. Result Result Proceed to Throttle Position No. 1 does not change A Throttle Position No. 1 changes even a little B HINT: When a DTC is output, the system changes to fail-safe mode. Therefore, only use the data up until the time the DTC is stored for confirmation. Result: 2 B See step 4 Result: 1 A See step 3
  3. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (RESISTANCE OF THROTTLE ACTUATOR) Inspect the throttle body with motor assembly. Refer to «INSPECTION [04/2013 - ]»(ref-665751-S25930068542014102400000) Result Proceed to OK NG Result: 2 NG See step 7 Result: 1 OK See step 4
  4. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (VISUALLY CHECK THROTTLE VALVE) Check for contamination between the throttle valve and housing. If necessary, clean the throttle body with motor assembly. Also, check that the throttle valve moves smoothly. OK Throttle valve is not contaminated with foreign matter and moves smoothly. HINT: Perform "Inspection After Repair" after cleaning the throttle body with motor assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG See step 7 Result: 1 OK See step 5
  5. READ VALUE USING TECHSTREAM (THROTTLE POSITION) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Throttle Position No. 1, Throttle Position No. 2 and Throttle Position Command. Powertrain > Engine > Data List Tester Display Throttle Position No. 1 Throttle Position No. 2 Throttle Position Command Read the values displayed on the Techstream while wiggling the ECM wire harness. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to Value in Data List changes when wire harness is wiggled, or DTCs are output A Other than above B Result: 2 B See step 8 Result: 1 A See step 6
  6. REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - THROTTLE BODY WITH MOTOR ASSEMBLY) As the DTC was stored due to a change in the contact resistance of the connector, repair or replace the wire harness or connector. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE [04/2013 - ]»(ref-665529-S31239628642014102400000) Result Proceed to NEXT Result: 1 NEXT END
  7. REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY Replace the throttle body with motor assembly. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S14046063072014102400000) HINT: Perform "Inspection After Repair" after replacing the throttle body with motor assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to NEXT Result: 1 NEXT See step 8
  8. CHECK WHETHER DTC OUTPUT RECURS (DTC P2119) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC is not output A DTC P2119 is output B Result: 1 A END Result: 2 B REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000)
Related DTCsP2120: Accelerator pedal position sensor 1 range check (chattering) P2122: Accelerator pedal position sensor 1 range check (low voltage) P2123: Accelerator pedal position sensor 1 range check (high voltage) P2125: Accelerator pedal position sensor 2 range check (chattering) P2127: Accelerator pedal position sensor 2 range check (low voltage) P2128: Accelerator pedal position sensor 2 range check (high voltage) P2138: Accelerator pedal position sensor range check (correlation)
Required Sensors/Components (Main)Accelerator pedal sensor assembly
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration0.5 seconds: P2120, P2122, P2125 and P2127 2.0 seconds: P2123, P2128 and P2138
MIL OperationImmediate
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedNone
Either of the following conditions is metA or B
A. Time after engine switch off to on (IG)0.012 seconds or more
B. Electronic throttle actuator powerOn
Either of the following conditions is met1 or 2
1. Both of the following conditions are met
VPA voltage0.4 V or less
VPA2 voltage - Learned VPA2 accelerator off position voltage0.04 V or higher
2. VPA voltage4.8 V or higher

P2120

Both of the following conditions are met
VPA voltage0.4 V or less
VPA2 voltage - Learned VPA2 accelerator off position voltage0.04 V or higher

P2122

VPA voltage4.8 V or higher

P2123

Either of the following conditions is met1 or 2
1. Both of the following conditions are met
VPA2 voltage1.2 V or less
VPA voltage - Learned VPA accelerator off position voltage0.04 V or higher
2. VPA2 voltage when VPA voltage 0.4 to 3.45 V4.8 V or higher

P2125

Both of the following conditions are met
VPA2 voltage1.2 V or less
VPA voltage - Learned VPA accelerator off position voltage0.04 V or higher

P2127

VPA2 voltage when VPA voltage 0.4 to 3.45 V4.8 V or higher

P2128

All of the following conditions met
Either of the following conditions is metA or B
A. Difference between VPA and VPA 2 voltages0.02 V or less
B. Both of the following conditions are met
VPA voltage0.4 V or less
VPA2 voltage1.2 V or less

P2138

All of the following conditions met
VPA voltageHigher than 0.4 V, and less than 4.8 V
VPA2 voltageHigher than 1.2 V, and less than 4.8 V
Difference between VPA and VPA2 voltagesHigher than 0.02 V

Scheme 71

Scheme 71: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on [A].
  6. Fully depress and release the accelerator pedal [B].
  7. Check that 5 seconds or more have elapsed since the engine switch is turned on (IG).
  8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
  9. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  10. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  11. Input the DTC: P2120, P2122, P2123, P2125, P2127, P2128 or P2138.
  12. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or N/A, perform steps [B] and [C] again.
  13. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

When DTC P2120, P2121, P2122, P2123, P2125, P2127, P2128 or P2138 is stored, the ECM enters fail-safe mode. If either of the 2 sensor circuits malfunctions, the ECM limits the engine output. If both of the circuits malfunction, the ECM regards the accelerator pedal as being released. As a result, the throttle valve is closed and the engine idles.

Fail-safe mode continues until a pass condition is detected, and the engine switch is turned off.

Scheme 72

Scheme 72: WIRING DIAGRAM

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Scheme 73

Scheme 73: PROCEDURE
  1. READ VALUE USING TECHSTREAM (ACCEL SENSOR OUT) Connect the Techstream to the DLC3. *a Fully Depressed *b Fully Released Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Accel Sensor Out No. 1 and Accel Sensor Out No. 2. Powertrain > Engine > Data List Tester Display Accel Sensor Out No. 1 Accel Sensor Out No. 2 Read the value displayed on the Techstream. Standard Voltage Accelerator Pedal Operation Accel Sensor Out No. 1 Accel Sensor Out No. 2 Difference between Accel Sensor Out No. 1 and Accel Sensor Out No. 2 Fully Released 0.5 to 1.1 V 1.2 to 2.0 V More than 0.02 V Fully Depressed 2.6 to 4.5 V 3.4 to 4.75 V Result Proceed to OK NG Result: 1 OK CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000) Result: 2 NG See step 2
  2. CHECK HARNESS AND CONNECTOR (ACCELERATOR PEDAL SENSOR ASSEMBLY - ECM) Disconnect the accelerator pedal sensor assembly connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A52-6 (VPA) - A76-29 (VPA) Always Below 1 ohms A52-5 (EPA) - A76-20 (EPA) Always Below 1 ohms A52-4 (VCPA) - A76-23 (VCPA) Always Below 1 ohms A52-3 (VPA2) - A76-28 (VPA2) Always Below 1 ohms A52-2 (EPA2) - A76-21 (EPA2) Always Below 1 ohms A52-1 (VCP2) - A76-22 (VCP2) Always Below 1 ohms A52-6 (VPA) or A76-29 (VPA) - Body ground Always 10 kohms or higher A52-4 (VCPA) or A76-23 (VCPA) - Body ground Always 10 kohms or higher A52-3 (VPA2) or A76-28 (VPA2) - Body ground Always 10 kohms or higher A52-1 (VCP2) or A76-22 (VCP2) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 3
  3. CHECK TERMINAL VOLTAGE (POWER SOURCE OF ACCELERATOR PEDAL SENSOR ASSEMBLY) Disconnect the accelerator pedal sensor assembly connector. *a Front view of wire harness connector (to Accelerator Pedal Sensor Assembly) Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A52-4 (VCPA) - A52-5 (EPA) Engine switch on (IG) 4.5 to 5.5 V A52-1 (VCP2) - A52-2 (EPA2) Engine switch on (IG) 4.5 to 5.5 V Result Proceed to OK NG Result: 2 NG REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 1 OK See step 4
  4. REPLACE ACCELERATOR PEDAL SENSOR ASSEMBLY Replace the accelerator pedal sensor assembly. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S26309927812014102400000) Result Proceed to NEXT Result: 1 NEXT See step 5
  5. CHECK WHETHER DTC OUTPUT RECURS (ACCELERATOR PEDAL SENSOR DTCS) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG) and turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2120, P2122, P2123, P2125, P2127, P2128, and/or P2138 are output A DTCs are not output B Result: 1 A REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 B END
Related DTCsP2121: Accelerator pedal position sensor rationality
Required Sensors/Components (Main)Accelerator pedal sensor assembly
Required Sensors/Components (Related)
Frequency of OperationContinuous
DurationCase 1 0.5 seconds: Case 2
MIL OperationImmediate
Sequence of OperationNone
Monitor runs whenever following DTCs not storedNone
Either of the following conditions met1 or 2
1. Engine switchOn (IG)
2. Throttle actuator powerOn
Accelerator pedal position sensor circuit fail (P2120, P2122, P2123, P2125, P2127, P2128, P2138)Not detected

ALL

VPA2 voltageLess than 4.84 V
Either of the following conditions metA or b
A) VPA voltage - Learned VPA accelerator off position voltage0.04 V or higher
B) VPA2 voltage - Learned VPA2 accelerator off position voltage0.04 V or higher
Difference between VPA voltage and VPA2 voltage (learned value of accelerator off position)Less than 0.4 V, or higher than 1.2 V

CASE 1

All of the following conditions are met
[(VPA voltage - Learned VPA accelerator off position voltage - (VPA2 voltage - Learned VPA2 accelerator off position voltage)]0.165 V or higher (varies with accelerator position)
VPA2 voltageLess than 4.84 V
Either of the following conditions metA or b
A) VPA voltage - Learned VPA accelerator off position voltage0.04 V or higher
B) VPA2 voltage - Learned VPA2 accelerator off position voltage0.04 V or higher

CASE 2

Scheme 74

Scheme 74: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on [A].
  6. Wait for 5 seconds after turning the engine switch on (IG).
  7. Operate the accelerator pedal in accordance with the following procedure [B]. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Accel Sens. No. 1 Volt %, and Accel Sens. No. 2 Volt %. Slowly depress the accelerator pedal until Accel Sens. No. 1 Volt % is approximately 30% and Accel Sens. No. 2 Volt % is approximately 46%, then slowly release the accelerator pedal.
  8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
  9. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  10. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  11. Input the DTC: P2121.
  12. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or N/A, perform steps [B] and [C] again.
  13. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

The accelerator pedal position sensor has 2 (main and sub) sensor circuits. If a malfunction occurs in either of the sensor circuits, the ECM detects the abnormal signal voltage difference between the 2 sensor circuits and switches to fail-safe mode. In fail-safe mode, the functioning circuit is used to calculate the accelerator pedal opening angle to allow the vehicle to continue driving. If both circuits malfunction, the ECM regards the opening angle of the accelerator pedal as being fully closed. In this case, the throttle valve remains closed as if the engine is idling.

If a pass condition is detected and then the engine switch is turned off, the fail-safe operation stops and the system returns to normal.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2121) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2121 is output A DTC P2121 and other DTCs are output B HINT: If any DTCs other than P2121 are output, troubleshoot those DTCs first. Result: 2 B GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [04/2013 - ]»(ref-665554-S03150692352014102400000) Result: 1 A See step 2
  2. READ VALUE USING TECHSTREAM (ACCEL SENSOR OUT) Connect the Techstream to the DLC3. *a Fully Depressed *b Fully Released Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Accel Sensor Out No. 1 and Accel Sensor Out No. 2. Powertrain > Engine > Data List Tester Display Accel Sensor Out No. 1 Accel Sensor Out No. 2 Read the values displayed on the Techstream. Standard Voltage Accelerator Pedal Operation Accel Sensor Out No. 1 Accel Sensor Out No. 2 Fully Released 0.5 to 1.1 V 1.2 to 2.0 V Fully Depressed 2.6 to 4.5 V 3.4 to 4.75 V Result Proceed to OK NG Result: 1 OK CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000) Result: 2 NG See step 3
  3. REPLACE ACCELERATOR PEDAL SENSOR ASSEMBLY Replace the accelerator pedal sensor assembly. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S26309927812014102400000) Result Proceed to NEXT Result: 1 NEXT See step 4
  4. CHECK WHETHER DTC OUTPUT RECURS (DTC P2121) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG) and turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2121 is output A DTC is not output B Result: 1 A REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 B END
Related DTCsP2195: Air fuel ratio sensor (bank 1) signal stuck lean P2196: Air fuel ratio sensor (bank 1) signal stuck rich P2197: Air fuel ratio sensor (bank 2) signal stuck lean P2198: Air fuel ratio sensor (bank 2) signal stuck rich
Required Sensors/Components (Main)Air fuel ratio sensor
Required Sensors/Components (Related)Heated oxygen sensor
Frequency of OperationContinuous: Sensor voltage detection monitor Once per driving cycle: Sensor current detection monitor
Duration3 seconds: Sensor current detection monitor 5 seconds: Sensor voltage detection monitor
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedP0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052, P101D, P103D (Air fuel ratio sensor heater) P0102, P0103 (Mass air flow meter) P0112, P0113 (Intake air temperature sensor) P0115, P0117, P0118 (Engine coolant temperature sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0128 (Thermostat) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (Crankshaft position sensor) P0451, P0452, P0453 (EVAP system) P0500 (Vehicle speed sensor) P0505 (Idle speed control) P219A, P219B, P219C, P219D, P219E, P219F, P21A0, P21A1 (Air-fuel ratio imbalance)

ALL

Time after engine start30 seconds or more
Air fuel ratio sensor statusActivated
Fuel system statusClosed-loop

SENSOR VOLTAGE DETECTION MONITOR

Battery voltage11 V or more
Engine coolant temperature75°C (167°F) or higher
Atmospheric pressure76 kPa(abs) [570 mmHg(abs)] or higher
Air fuel ratio sensor statusActivated
Continuous time of fuel-cut4 seconds or more, and less than 10 seconds

SENSOR CURRENT DETECTION MONITOR

Heated oxygen sensor voltage0.21 V or higher
Air fuel ratio sensor voltageHigher than 3.8 V

P2195 AND P2197: SENSOR VOLTAGE DETECTION MONITOR (LEAN SIDE MALFUNCTION)

Heated oxygen sensor voltageLess than 0.59 V
Air fuel ratio sensor voltageLess than 2.8 V

P2196 AND P2198: SENSOR VOLTAGE DETECTION MONITOR (RICH SIDE MALFUNCTION)

Air fuel ratio sensor current2.1 mA or higher

P2195 AND P2197: SENSOR CURRENT DETECTION MONITOR (HIGH SIDE MALFUNCTION)

Air fuel ratio sensor currentLess than 0.23 mA

P2196 AND P2198: SENSOR CURRENT DETECTION MONITOR (LOW SIDE MALFUNCTION)

MONITOR RESULT

Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [04/2013 - ]

Monitor IDTest IDScalingUnitDescription
$01$91Multiply by 0.004MAA/F sensor current

P2195, P2196: O2 SENSOR / RANGE B1S1

Monitor IDTest IDScalingUnitDescription
$05$91Multiply by 0.004MAA/F sensor current

P2197, P2198: O2 SENSOR / RANGE B2S1

Scheme 75

Scheme 75: CONFIRMATION DRIVING PATTERN

Scheme 76

Scheme 76
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG).
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the engine switch off and wait for at least 30 seconds.
  6. Turn the engine switch on (IG) and turn the Techstream on.
  7. Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher [A].
  8. Using the Techstream, enter the following menus to check the fuel-cut status: Powertrain / Engine and ECT / Data List / Primary / Idle Fuel Cut.
  9. Drive the vehicle at a speed between 60 and 120 km/h (37 and 75 mph) for at least 10 minutes [B]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
  10. With the shift lever in M [C], accelerate the vehicle to 64 km/h (40 mph) or more by depressing the accelerator pedal for at least 10 seconds [D]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
  11. Soon after performing step [D] above, release the accelerator pedal for at least 4 seconds without depressing the brake pedal in order to execute fuel-cut control [E]. HINT: Fuel-cut is performed when both of the following conditions are met: Accelerator pedal is fully released. Engine speed is 2500 rpm or higher (fuel injection returns at 1400 rpm).
  12. Allow the vehicle to decelerate until the vehicle speed decreases to less than 10 km/h (6 mph).
  13. Repeat steps [C] through [E] above at least 3 times in one driving cycle.
  14. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [F].
  15. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  16. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  17. Input the DTC: P2195, P2196, P2197 or P2198.
  18. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or N/A, perform steps [B] through [F] again.
  19. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 77

Scheme 77: WIRING DIAGRAM

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

HINT

  1. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  2. A low air fuel ratio sensor voltage could be caused by a rich air fuel mixture. Check for conditions that would cause the engine to run rich.
  3. A high air fuel ratio sensor voltage could be caused by a lean air fuel mixture. Check for conditions that would cause the engine to run lean.
  4. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transmission.
  5. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  6. Sensor 1 refers to the sensor closest to the engine assembly.
  7. Sensor 2 refers to the sensor farthest away from the engine assembly.
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2195, P2196, P2197 OR P2198) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P2195, P2196, P2197 or P2198 is output A DTC P2195, P2196, P2197 or P2198 and P0136, P0137, P0138, P0156, P0157 or P0158 are output DTC P2195, P2196, P2197 or P2198 and other DTCs are output B HINT: If any DTCs relating to the air fuel ratio sensor (DTCs for the air fuel ratio sensor heater or air fuel ratio sensor admittance) are output, troubleshoot those DTCs first. Result: 2 B GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [04/2013 - ]»(ref-665554-S03150692352014102400000) Result: 1 A See step 2
  2. CONFIRM IF VEHICLE HAS RUN OUT OF FUEL IN PAST Has the vehicle run out of fuel in the past? Result Proceed to YES NO Result: 2 NO See step 4 Result: 1 YES See step 3
  3. CHECK WHETHER DTC OUTPUT RECURS (DTC P2195, P2196, P2197 OR P2198) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG) and turn the Techstream on. Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Powertrain > Engine > Utility Tester Display All Readiness Input the DTC: P2195, P2196, P2197 or P2198. Check the DTC judgment result. Result Result Proceed to NORMAL (DTCs are not output) A ABNORMAL (DTC P2195, P2196, P2197 or P2198 is output) B Result: 1 A DTC CAUSED BY RUNNING OUT OF FUEL Result: 2 B See step 4
  4. READ VALUE USING TECHSTREAM (TEST VALUE OF AIR FUEL RATIO SENSOR) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor / O2 Sensor / Current. Powertrain > Engine > Monitor Check that the status of O2 Sensor is Complete. If the status is still Incomplete, drive the vehicle according to the driving pattern again. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor / O2 Sensor / Details / RANGE B1S1 or RANGE B2S1. Powertrain > Engine > Monitor Check the test value of the air fuel ratio sensor output current during fuel-cut. Result Test Value Proceed to Within normal range (0.23 mA or higher, and less than 2.1 mA) A Outside normal range (Less than 0.23 mA, or 2.1 mA or higher) B Result: 2 B See step 15 Result: 1 A See step 5
  5. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE INJECTION VOLUME FOR A/F SENSOR) Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Warm up the air fuel ratio sensor at an engine speed of 2500 rpm for 90 seconds. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Volume for A/F Sensor / Gas AF Control / AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2. Powertrain > Engine > Active Test Active Test Display Control the Injection Volume for A/F Sensor Data List Display AFS Voltage B1S1 AFS Voltage B2S1 O2S B1S2 O2S B2S2 Perform the Control the Injection Volume for A/F Sensor operation with the engine idling. Monitor the output voltages of the air fuel ratio and heated oxygen sensors (AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2) displayed on the Techstream. HINT: The Control the Injection Volume for A/F Sensor operation lowers the fuel injection volume by 12.5% or increases the injection volume by 12.5%. The air fuel ratio sensor has an output delay of a few seconds and the heated oxygen sensor has a maximum output delay of approximately 20 seconds. If the sensor output voltage does not change (almost no reaction) while performing the Active Test, the sensor may be malfunctioning. Techstream Display (Sensor) Injection Volume Status Voltage AFS Voltage B1S1 AFS Voltage B2S1 (Air fuel ratio) 12.5% Rich Below 3.1 V -12.5% Lean Higher than 3.4 V O2S B1S2 O2S B2S2 (Heated oxygen) 12.5% Rich Higher than 0.55 V -12.5% Lean Below 0.4 V Result Status of AFS Voltage B1S1 or AFS Voltage B2S1 Status of O2S B1S2 or O2S B2S2 Air Fuel Ratio Condition and Air Fuel Ratio Sensor Condition Proceed to Lean Lean Actual air fuel ratio lean A Rich Rich Actual air fuel ratio rich Lean Lean/Rich Air fuel ratio sensor malfunction B Rich Lean/Rich Air fuel ratio sensor malfunction Lean/Rich Lean/Rich Normal Lean: During the Control the Injection Volume for A/F Sensor Active Test, the air fuel ratio sensor output voltages (AFS Voltage B1S1 and AFS Voltage B2S1) are consistently higher than 3.4 V, and the heated oxygen sensor output voltages (O2S B1S2 and O2S B2S2) are consistently below 0.4 V. Rich: During the Control the Injection Volume for A/F Sensor Active Test, the AFS Voltage B1S1 and AFS Voltage B2S1 are consistently below 3.1 V, and the O2S B1S2 and O2S B2S2 are consistently higher than 0.55 V. Lean/Rich: During the Control the Injection Volume for A/F Sensor Active Test, the output voltage of the heated oxygen sensor alternates correctly. HINT: Refer to "Data List / Active Test" [AFS Voltage B1S1, AFS Voltage B2S1, O2S B1S2 and O2S B2S2]. Refer to «DATA LIST / ACTIVE TEST [04/2013 - ]»(ref-665554-S28506335252014102400000) Result: 2 B See step 15 Result: 1 A See step 6
  6. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION [04/2013 - ]»(ref-665753-S17965231612014102400000) OK No leaks in the intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE INTAKE SYSTEM Result: 1 OK See step 7
  7. CHECK FOR EXHAUST GAS LEAK Check for exhaust gas leaks. OK No gas leaks. HINT: Perform "Inspection After Repair" after repairing or replacing the exhaust system. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE EXHAUST SYSTEM Result: 1 OK See step 8
  8. CHECK FUEL PRESSURE (LOW PRESSURE SIDE) Check the fuel pressure for low pressure. Refer to «PROCEDURE - Step 2»(ref-665746-S18024150712014102400000) Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE FUEL SYSTEM (LOW PRESSURE SIDE) Result: 1 OK See step 9
  9. INSPECT FUEL INJECTOR ASSEMBLY Inspect the fuel injector assembly. Refer to «INSPECTION [04/2013 - ]»(ref-665752-S34157530832014102400000) Inspect the cold start fuel injector assembly. Refer to «INSPECTION [04/2013 - ]»(ref-665752-S20760137372014102400000) HINT: Perform "Inspection After Repair" after replacing the fuel injector assembly or cold start fuel injector assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPLACE FUEL INJECTOR ASSEMBLY Fuel Injector Assembly: Refer to «REMOVAL [04/2013 - ]»(ref-665752-S02581426282014102400000) Cold Start Fuel Injector Assembly: Refer to «REMOVAL [04/2013 - ]»(ref-665752-S41190021672014102400000) Result: 1 OK See step 10
  10. CHECK FUEL PRESSURE (HIGH PRESSURE SIDE) Check the fuel pressure for high pressure. Refer to «PROCEDURE - Step 3»(ref-665746-S18024150712014102400000) Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE FUEL SYSTEM (HIGH PRESSURE SIDE) Result: 1 OK See step 11
  11. REPLACE AIR FUEL RATIO SENSOR Replace the air fuel ratio sensor. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S18498474432014102400000) HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to NEXT Result: 1 NEXT See step 12
  12. CHECK WHETHER DTC OUTPUT RECURS (DTC P2195, P2196, P2197 OR P2198) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG) and turn the Techstream on. Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Powertrain > Engine > Utility Tester Display All Readiness Input the DTC: P2195, P2196, P2197 or P2198. Check the DTC judgment result. Result Result Proceed to ABNORMAL (DTC P2195, P2196, P2197 or P2198 is output) A NORMAL (DTCs are not output) B Result: 2 B END Result: 1 A See step 13
  13. REPLACE ECM Replace the ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result Proceed to NEXT Result: 1 NEXT See step 14
  14. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG) and turn the Techstream on. Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Powertrain > Engine > Utility Tester Display All Readiness Input the DTC: P2195, P2196, P2197 or P2198. Check the DTC judgment result. RESULT Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit Result Proceed to NEXT Result: 1 NEXT END
  15. REPLACE AIR FUEL RATIO SENSOR Replace the air fuel ratio sensor. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S18498474432014102400000) HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to NEXT Result: 1 NEXT See step 16
  16. CHECK WHETHER DTC OUTPUT RECURS (DTC P2195, P2196, P2197 OR P2198) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG) and turn the Techstream on. Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Powertrain > Engine > Utility Tester Display All Readiness Input the DTC: P2195, P2196, P2197 or P2198. Check the DTC judgment result. Result Result Proceed to NORMAL (DTCs are not output) A ABNORMAL (DTC P2195, P2196, P2197 or P2198 is output) B Result: 1 A END Result: 2 B REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000)
Related DTCsP219A: Air fuel ratio cylinder imbalance monitor (Bank 1) P219B: Air fuel ratio cylinder imbalance monitor (Bank 2) P219C: Air fuel ratio cylinder imbalance monitor (Cylinder 1) P219D: Air fuel ratio cylinder imbalance monitor (Cylinder 2) P219E: Air fuel ratio cylinder imbalance monitor (Cylinder 3) P219F: Air fuel ratio cylinder imbalance monitor (Cylinder 4) P21A0: Air fuel ratio cylinder imbalance monitor (Cylinder 5) P21A1: Air fuel ratio cylinder imbalance monitor (Cylinder 6)
Required Sensors/Components (Main)Air fuel ratio sensor Crankshaft position sensor
Required Sensors/Components (Related)Mass air flow meter sub-assembly Engine coolant temperature sensor Vehicle speed sensor
Frequency of OperationOnce per driving cycle
Duration10 seconds
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedP0010, P0020 (Camshaft timing oil control valve bank 1, 2) P0011, P0021 (VVT system bank 1, 2 - advance) P0012, P0022 (VVT system bank 1, 2 - retard) P0013, P0023 (Exhaust camshaft timing oil control valve bank 1, 2) P0014, P0024 (Exhaust VVT system bank 1, 2 - advance) P0015, P0025 (Exhaust VVT system bank 1, 2 - retard) P0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052, P101D, P103D (Air fuel ratio sensor heater) P0102, P0103 (Mass air flow meter) P0115, P0117, P0118 (Engine coolant temperature sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0335 (Crankshaft position sensor) P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor) P0351, P0352, P0353, P0354, P0355, P0356 (Igniter) P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor) P0500 (Vehicle speed sensor)

P219A AND P219B

Monitor runs whenever the following DTCs are not storedNone

P219C, P219D, P219E, P219F, P21A0 AND P21A1

Air fuel ratio sensor statusActivated
Engine speed1400 rpm or higher, and less than 2600 rpm
Engine coolant temperature75°C (167°F) or higher
Atmospheric pressure76 kPa(abs) [570 mmHg(abs)] or higher
Fuel system statusClosed loop
Mass air flow17.5 gm/sec. or more, and less than 24.5 gm/sec.

P219A, P219B: AIR FUEL RATIO SENSOR MONITORING METHOD

Vehicle speed30 km/h (18.75 mph) or more
Engine speed1400 rpm or higher, and less than 2400 rpm
Engine coolant temperature75°C (167°F) or higher
Air fuel ratio sensor statusActivated
Fuel system statusClosed loop
Battery voltage11 V or higher
Atmospheric pressure76 kPa(abs) [570 mmHg(abs)] or higher
Engine load50% or higher, and less than 70%

P219C, P219D, P219E, P219F, P21A0, P21A1: CRANKSHAFT POSITION SENSOR MONITORING METHOD

Air fuel ratio sensor monitoring method criteria (rich side imbalance)0.1775 or more (bank 1, bank 2)

P219A, P219B: AIR FUEL RATIO SENSOR MONITORING METHOD

Crankshaft position sensor monitoring method criteria (lean side imbalance)1 or more

P219C, P219D, P219E, P219F, P21A0, P21A1: CRANKSHAFT POSITION SENSOR MONITORING METHOD

Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [04/2013 - ]

Monitor IDTest IDScalingUnitDescription
$81$81Multiply by 0.00003No dimensionMonitoring method using air fuel ratio sensor (Direct)

P219A: FUEL SYSTEM / A/F SENSOR DETERMINATION B1

Monitor IDTest IDScalingUnitDescription
$82$81Multiply by 0.00003No dimensionMonitoring method using air fuel ratio sensor for bank 2 (Direct)

P219B: FUEL SYSTEM / A/F SENSOR DETERMINATION B2

Monitor IDTest IDScalingUnitDescription
$81$85Multiply by 0.001No dimensionMonitoring method using crank angle sensor (Direct)

P219C: FUEL SYSTEM / ENGINE SPEED FLUCTUATION AVERAGE #1

Monitor IDTest IDScalingUnitDescription
$82$86Multiply by 0.001No dimensionMonitoring method using crank angle sensor (Direct)

P219D: FUEL SYSTEM / ENGINE SPEED FLUCTUATION AVERAGE #2

Monitor IDTest IDScalingUnitDescription
$81$87Multiply by 0.001No dimensionMonitoring method using crank angle sensor (Direct)

P219E: FUEL SYSTEM / ENGINE SPEED FLUCTUATION AVERAGE #3

Monitor IDTest IDScalingUnitDescription
$82$88Multiply by 0.001No dimensionMonitoring method using crank angle sensor (Direct)

P219F: FUEL SYSTEM / ENGINE SPEED FLUCTUATION AVERAGE #4

Monitor IDTest IDScalingUnitDescription
$81$89Multiply by 0.001No dimensionMonitoring method using crank angle sensor (Direct)

P21A0: FUEL SYSTEM / ENGINE SPEED FLUCTUATION AVERAGE #5

Monitor IDTest IDScalingUnitDescription
$82$8AMultiply by 0.001No dimensionMonitoring method using crank angle sensor (Direct)

P21A1: FUEL SYSTEM / ENGINE SPEED FLUCTUATION AVERAGE #6

Scheme 78

Scheme 78: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG).
  3. Turn the Techstream on.
  4. Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher [A]. HINT: The A/C switch and all accessory switches should be off and the shift lever should be in P or N.
  5. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  6. Drive the vehicle at 60 km/h (37 mph) or higher for 2 minutes or more [B]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: It is acceptable to turn electrical loads on while driving.
  7. Idle the engine for 2 minutes or more [C]. HINT: The A/C switch and all accessory switches should be off and the shift lever should be in P or N.
  8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [D].
  9. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  10. Drive the vehicle at less than 30 km/h (19 mph) for 5 seconds or more [E]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
  11. Accelerate the vehicle from 30 to 60 km/h (19 to 37 mph) over a period of approximately 10 to 20 seconds. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: Refer to the values of mass air flow and engine speed in Typical Enabling Conditions before accelerating the vehicle from 30 to 60 km/h (19 to 37 mph).
  12. Drive the vehicle at 60 km/h (37 mph) or more for 5 seconds or more [F]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
  13. Drive the vehicle at less than 30 km/h (19 mph) for 5 seconds or more [G]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
  14. Accelerate the vehicle from 30 to 60 km/h (19 to 37 mph) over a period of approximately 10 to 20 seconds. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: Refer to the values of mass air flow and engine speed in Typical Enabling Conditions before accelerating the vehicle from 30 to 60 km/h (19 to 37 mph).
  15. Drive the vehicle at 60 km/h (37 mph) or more for 5 seconds or more [H]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
  16. Repeat steps [G] and [H] above at least 2 times [I].
  17. Idle the engine for 1 minute or more [J]. HINT: The A/C switch and all accessory switches should be off and the shift lever should be in P or N.
  18. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [K].
  19. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  20. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  21. Input the DTC: P219A, P219B, P219C, P219D, P219E, P219F, P21A0 or P21A1.
  22. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or N/A, perform the following procedure.
  23. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

HINT

  1. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  2. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transmission.
  3. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  4. Sensor 1 refers to the sensor closest to the engine assembly.
  5. Sensor 2 refers to the sensor farthest away from the engine assembly.
  6. When any air-fuel ratio imbalance is detected, the ECM will perform air-fuel ratio feedback control to make the air-fuel ratio close to the stoichiometric level. This may result in an air-fuel ratio imbalance of normal cylinders and DTCs may be stored.
  1. CHECK ANY OTHER DTCS OUTPUT Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Powertrain > Engine > Trouble Codes Result Result Proceed to DTC P219A, P219B, P219C, P219D, P219E, P219F, P21A0 and/or P21A1 is output A DTC P219A, P219B, P219C, P219D, P219E, P219F, P21A0 and/or P21A1 and other DTCs are output B HINT: If any DTCs other than P219A, P219B, P219C, P219D, P219E, P219F, P21A0 and/or P21A1 are output, troubleshoot those DTCs first. Result: 2 B GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [04/2013 - ]»(ref-665554-S03150692352014102400000) Result: 1 A See step 2
  2. READ VALUE USING TECHSTREAM (FREEZE FRAME DATA) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which were present when the DTC was stored. Refer to «FREEZE FRAME DATA [04/2013 - ]»(ref-665554-S09390873432014102400000) Freeze Frame Data Items for DTC P219A, P219B, P219C, P219D, P219E, P219F, P21A0 or P21A1 Vehicle Speed Engine Speed Calculate Load Accelerator Idle Position Short FT #1 or #2 Long FT #1 or #2 Cylinder #1 Misfire Count to Cylinder #6 Misfire Count HINT: When the sum of Short FT and Long FT is positive, the engine is running lean, and when the sum is negative, the engine is running rich. Air Fuel Ratio Sensor Monitoring Method (P219A and P219B) Crankshaft Position Sensor Monitoring Method (P219C, P219D, P219E, P219F, P21A0 and P21A1) Note DTCs are output DTC is output (Only one DTC relating to a single cylinder is output) Malfunction of cylinders detected by the Crankshaft Position Sensor Monitoring Method is primarily suspected. DTCs are output DTCs are output (Multiple DTCs relating to multiple cylinders are output) Malfunction of cylinders except ones detected by the Crankshaft Position Sensor Monitoring Method is primarily suspected.*1 DTCs are not output DTCs are output Malfunction of cylinders detected by the Crankshaft Position Sensor Monitoring Method is primarily suspected. DTCs are output DTCs are not output Malfunctioning of the bank detected by the Air Fuel Ratio Sensor Monitoring Method is primarily suspected. *1: When any air-fuel ratio imbalance is detected, the ECM will perform air-fuel ratio feedback control to make the air-fuel ratio close to the stoichiometric level. This may result in an air-fuel ratio imbalance of normal cylinders and DTCs may be stored. Result Proceed to NEXT Result: 1 NEXT See step 3
  3. READ DTC OUTPUT Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. HINT: If any misfire count ("Cylinder #1 Misfire Count" to "Cylinder #6 Misfire Count") increases while idling or driving the vehicle, proceed to step 6. Perform inspections while focusing on the cylinder whose misfire count has increased. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Result Result Proceed to P219A or P219B is output A DTC P219A or P219B, and P219C, P219D, P219E, P219F, P21A0 or P21A1 is output B DTC P219C, P219D, P219E, P219F, P21A0 and/or P21A1 is output Result: 2 B See step 6 Result: 1 A See step 4
  4. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE INJECTION VOLUME) Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Warm up the engine. HINT: The A/C switch and all accessory switches should be off and the shift lever should be in P or N. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Volume / Gas Misfire / Cylinder #1 to #6 Misfire Count. Powertrain > Engine > Active Test Active Test Display Control the Injection Volume Data List Display Cylinder #1 Misfire Count Cylinder #2 Misfire Count Cylinder #3 Misfire Count Cylinder #4 Misfire Count Cylinder #5 Misfire Count Cylinder #6 Misfire Count HINT: When the "Control the Injection Volume" Active Test is selected (injection volume is 0%), if a misfire count increases, proceed to step 6 (Check Intake System). Perform the Control the Injection Volume operation with the engine idling. Check the misfire counts ("Cylinder #1 Misfire Count" to "Cylinder #6 Misfire Count") while decreasing the injection volume in 5% increments. NOTE: Do not decrease the injection volume by higher than 20%. Result The cylinder whose misfire count has not increased can be assumed to be running rich. Therefore, perform inspections while focusing on that cylinder. Result Proceed to NEXT Result: 1 NEXT See step 5
  5. CHECK FOR GAS LEAK Check for exhaust gas leak. OK No gas leaks. HINT: Perform "Inspection After Repair" after repairing or replacing the exhaust system. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE EXHAUST SYSTEM Result: 1 OK See step 6
  6. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION [04/2013 - ]»(ref-665753-S17965231612014102400000) OK No leaks in the intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE INTAKE SYSTEM Result: 1 OK See step 7
  7. INSPECT SPARK PLUG Inspect the spark plug of the cylinder causing the imbalance. Refer to «PROCEDURE - Step 3»(ref-665709-S31931343232014102400000) HINT: Perform "Inspection After Repair" after replacing the spark plug. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPLACE SPARK PLUG. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S22796400442014102400000) Result: 1 OK See step 8
  8. CHECK FOR SPARK (SPARK TEST) Perform a spark test. Refer to «PROCEDURE - Step 1»(ref-665709-S31931343232014102400000) HINT: If the result of the spark test is normal, proceed to the next step. Perform "Inspection After Repair" after replacing the spark plug or ignition coil assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to NEXT Result: 1 NEXT See step 9
  9. CHECK CYLINDER COMPRESSION PRESSURE Measure the cylinder compression pressure of the misfiring cylinder. Refer to «PROCEDURE - Step 10»(ref-665703-S36617308682014102400000) HINT: Perform "Inspection After Repair" after repairing or replacing the engine assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG CHECK ENGINE TO DETERMINE CAUSE OF LOW COMPRESSION Result: 1 OK See step 10
  10. CHECK FUEL INJECTOR ASSEMBLY OF CYLINDER CAUSING IMBALANCE Check the fuel injector assembly injection [whether fuel volume is high or low, and whether injection pattern is poor]. Refer to «INSPECTION [04/2013 - ]»(ref-665752-S34157530832014102400000) HINT: Perform "Inspection After Repair" after replacing the fuel injector assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPLACE FUEL INJECTOR ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665752-S02581426282014102400000) Result: 1 OK See step 11
  11. CHECK FOR CAUSE OF FAILURE If the cause of the problem has not been found even after performing the troubleshooting procedure, perform the inspection below. Check the intake valve for deposits. HINT: As the DTC may have been stored due to deposits on the intake valve, remove the cylinder head and check the intake valve. Result Proceed to NEXT Result: 1 NEXT See step 12
  12. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Check for DTCs. Powertrain > Engine > Trouble Codes Result P219A, P219B, P219C, P219D, P219E, P219F, P21A0 and/or P21A1 is not output. Result Proceed to NEXT Result: 1 NEXT END
Related DTCsP2237: Air fuel ratio sensor (bank 1) open circuit between A1A+ and A1A- P2238: Air fuel ratio sensor (bank 1) short circuit between A1A+ and A1A- P2238: Air fuel ratio sensor (bank 1) short circuit between A1A+ and GND P2238: Air fuel ratio sensor (bank 1) low admittance P2239: Air fuel ratio sensor (bank 1) short circuit between A1A+ and +B P2240: Air fuel ratio sensor (bank 2) open circuit between A2A+ and A2A- P2241: Air fuel ratio sensor (bank 2) short circuit between A2A+ and A2A- P2241: Air fuel ratio sensor (bank 2) short circuit between A2A+ and GND P2241: Air fuel ratio sensor (bank 2) low admittance P2242: Air fuel ratio sensor (bank 2) short circuit between A2A+ and +B P2252: Air fuel ratio sensor (bank 1) short circuit between A1A- and GND P2253: Air fuel ratio sensor (bank 1) short circuit between A1A- and +B P2255: Air fuel ratio sensor (bank 2) short circuit between A2A- and GND P2256: Air fuel ratio sensor (bank 2) short circuit between A2A- and +B
Required Sensors/Components (Main)Air fuel ratio sensor
Required Sensors/Components (Related)Engine coolant temperature sensor Crankshaft position sensor
Frequency of OperationContinuous
Duration10 seconds: P2237 and P2240 10 seconds: P2238 and P2241 (air fuel ratio sensor low admittance) 5 seconds: Others
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedP0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052, P101D, P103D (Air fuel ratio sensor heater) P0102, P0103 (Mass air flow meter) P0112, P0113 (Intake air temperature sensor) P0115, P0117, P0118 (Engine coolant temperature sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0128 (Thermostat) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (Crankshaft position sensor) P0451, P0452, P0453 (EVAP system) P0500 (Vehicle speed sensor) P0505 (Idle speed control) P219A, P219B, P219C, P219D, P219E, P219F, P21A0, P21A1 (Air-fuel ratio imbalance)

P2237, P2238, P2240 AND P2241

Monitor runs whenever the following DTCs are not storedNone

P2239, P2242, P2252, P2253, P2255 AND P2256

Estimated sensor temperature450 to 550°C (842 to 1022°F)
EngineRunning
Battery voltage11 V or higher
Engine switchOn (IG)
Time after engine switch is off to on (IG)5 seconds or more

P2237 AND P2240: AIR FUEL RATIO SENSOR OPEN CIRCUIT BETWEEN A1A+ AND A1A-/A2A+ AND A2A

Estimated sensor temperature700 to 800°C (1292 to 1472°F)
Engine coolant temperature10°C (41°F) or higher (varies with engine coolant temperature at engine start)
Fuel cutNot executed

P2238 AND P2241: LOW ADMITTANCE

Battery voltage11 V or higher
Engine switchOn (IG)
Time after engine switch is off to on (IG)5 seconds or more

OTHERS

Air fuel ratio sensor admittanceLess than 0.0018 1/ohms

P2237 AND P2240: OPEN CIRCUIT BETWEEN A1A+ AND A1A-/A2A+ AND A2A

Air fuel ratio sensor admittanceLess than 0.0054 1/ohms

P2238 AND P2241: LOW ADMITTANCE

A1A+/A2A+ terminal voltage0.5 V or less

P2238 AND P2241: SHORT CIRCUIT BETWEEN A1A+ AND GND/A2A+ AND GND

Difference between A1A+ and A1A-/A2A+ and A2A- terminal voltage0.1 V or less

P2238 AND P2241: SHORT CIRCUIT BETWEEN A1A+ AND A1A-/A2A+ AND A2A

A1A+/A2A+ terminal voltageHigher than 4.5 V

P2239 AND P2242: SHORT CIRCUIT BETWEEN A1A+ AND +B/A2A+ AND +B

A1A-/A2A- terminal voltage0.5 V or less

P2252 AND P2255: SHORT CIRCUIT BETWEEN A1A- AND GND/A2A- AND GND

A1A-/A2A- terminal voltageHigher than 4.5 V

P2253 AND P2256: SHORT CIRCUIT BETWEEN A1A- AND +B/A2A- AND +B

  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on.
  6. Start the engine and wait 5 minutes.
  7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  8. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  9. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  10. Input the DTC: P2237, P2238, P2239, P2240, P2241, P2242, P2252, P2253, P2255 or P2256.
  11. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or N/A, idle the engine for 5 minutes and check the DTC judgment result again.
  12. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

HINT

  1. Refer to "Data List / Active Test" [AFS Voltage B1S1 and AFS Voltage B2S1]. Refer to «DATA LIST / ACTIVE TEST [04/2013 - ]»(ref-665554-S28506335252014102400000)
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  3. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transmission.
  4. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  5. Sensor 1 refers to the sensor closest to the engine assembly.
  6. Sensor 2 refers to the sensor farthest away from the engine assembly.
  1. CHECK HARNESS AND CONNECTOR (AIR FUEL RATION SENSOR - ECM) Disconnect the air fuel ratio sensor connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F62-1 (HA1A) - F4-5 (HA1A) Always Below 1 ohms F62-3 (A1A+) - F3-23 (A1A+) Always Below 1 ohms F62-4 (A1A-) - F3-22 (A1A-) Always Below 1 ohms F57-1 (HA2A) - F4-6 (HA2A) Always Below 1 ohms F57-3 (A2A+) - F3-21 (A2A+) Always Below 1 ohms F57-4 (A2A-) - F3-20 (A2A-) Always Below 1 ohms F62-1 (HA1A) or F4-5 (HA1A) - Body ground Always 10 kohms or higher F62-3 (A1A+) or F3-23 (A1A+) - Body ground Always 10 kohms or higher F62-4 (A1A-) or F3-22 (A1A-) - Body ground Always 10 kohms or higher F57-1 (HA2A) or F4-6 (HA2A) - Body ground Always 10 kohms or higher F57-3 (A2A+) or F3-21 (A2A+) - Body ground Always 10 kohms or higher F57-4 (A2A-) or F3-20 (A2A-) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 2
  2. REPLACE AIR FUEL RATIO SENSOR Replace the air fuel ratio sensor. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S18498474432014102400000) HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to NEXT Result: 1 NEXT See step 3
  3. CHECK WHETHER DTC OUTPUT RECURS Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG) and turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Powertrain > Engine > Utility Tester Display All Readiness Input the DTC: P2237, P2238, P2239, P2240, P2241, P2242, P2252, P2253, P2255 or P2256. Check the DTC judgment result. Powertrain > Engine > Trouble Codes Result Result Proceed to NORMAL (DTCs are not output) A ABNORMAL (DTC P2237, P2238, P2239, P2240, P2241, P2242, P2252, P2253, P2255 or P2256 is output) B Result: 1 A END Result: 2 B REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000)
Required Sensors/Components (Main)Purge VSV Canister pump module
Required Sensors/Components (Related)
Frequency of OperationOnce per driving cycle
DurationWithin 7 minutes (varies with amount of fuel in tank)
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedNone
Atmospheric pressure70 kPa(abs) [525 mmHg(abs)] or higher, and less than 110 kPa(abs) [825 mmHg(abs)]
Battery voltage10.5 V or higher
Vehicle speedLess than 4 km/h (2.5 mph)
Engine switchOff
Time after key-off5, 7 or 9.5 hours
Canister pressure sensor malfunction (P0452, P0453)Not detected
Purge VSVNot operated by scan tool
Vent valveNot operated by scan tool
Leak detection pumpNot operated by scan tool
Both of the following conditions met before key-offConditions 1 and 2
1. Duration that vehicle is driven5 minutes or more
2. EVAP purge operationPerformed
Engine coolant temperature4.4°C (40°F) or higher, and less than 35°C (95°F)
Intake air temperature4.4°C (40°F) or higher, and less than 35°C (95°F)
EVAP pressure change after EVAP canister vent valve onLess than 0.3 kPa(gauge) [2.25 mmHg(gauge)]

Refer to EVAP system.

Refer to EVAP System [04/2013 - ]

Note. The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 24 minutes. Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable. Do not run the engine during this operation. When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the fuel temperature below 35°C (95°F).

  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on.
  6. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
  7. After the Evaporative System Check is completed, check for All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  8. Input the DTC: P2420.
  9. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
  10. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.
  1. GO TO EVAP SYSTEM Refer to «EVAP System [04/2013 - ]»(ref-665745-S25773044322014102400000) Result Proceed to NEXT Result: 1 NEXT END
Related DTCP2610: ECM internal engine off timer performance
Required Sensors/Components (Main)ECM
Required Sensors/Components (Related)
Frequency of OperationOnce per driving cycle
Duration
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever the following DTCs are not storedNone

ALL

All of the following conditions are met
EngineRunning
Battery voltage8 V or higher
Engine switchOn (IG)
StarterOff
CPU clock elapsed time10 minutes or more

CASE 1

All of the following conditions are met
Internal engine off timer (elapsed time from engine stop)10 minutes or more, and less than 30 minutes
Battery voltage8 V or higher
Engine switchOn (IG)
StarterOff

CASE 2

All of the following conditions are met
Internal engine off timer (elapsed time from engine stop)40 minutes or more
Battery voltage8 V or higher
Engine switchOn (IG)
StarterOff

CASE 3

One of the following conditions is metCondition A, B or C
A. Both of the following conditions are metCondition (a) and (b)
(a) CPU clock elapsed time1.96608 seconds or more, and less than 8.323072 seconds
(b) Internal engine off timer9.375 seconds or more
B. Both of the following conditions are metCondition (c) and (d)
(c) CPU clock elapsed time8.323072 to 10.420224 seconds
(d) Internal engine off timer18.75 seconds or more
C. Both of the following conditions are metCondition (e) and (f)
(e) CPU clock elapsed timeMore than 10.420224 seconds
(f) Internal engine off timerLess than 9.375 seconds

CASE 1

ECM started by internal engine off timer last tripYes

CASE 2

ECM started by internal engine off timer last tripNo

CASE 3

  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and turn the Techstream on.
  6. Start the engine.
  7. Idle the engine for 10 minutes or more.
  8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  9. Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
  10. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  11. Input the DTC: P2610.
  12. Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions N/A Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
  13. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

HINT

  1. DTC P2610 is set if an internal ECM problem is detected. Diagnostic procedures are not required. ECM replacement is required.
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  1. REPLACE ECM Replace the ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result Proceed to NEXT Result: 1 NEXT See step 2
  2. CHECK WHETHER DTC OUTPUT RECURS (DTC P2610) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Start the engine and wait for 10 minutes or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending. Powertrain > Engine > Trouble Codes If no pending DTC is output, the repair has been successfully completed. Result Proceed to NEXT Result: 1 NEXT END
DTC No.Monitoring ItemLink
P043EReference orifice clogged (built into canister pump module)Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low [04/2013 - ]
P043FReference orifice high-flow (built into canister pump module)
P0441Purge VSV (Vacuum Switching Valve) stuck closed Purge VSV stuck open Purge flowRefer to DTC P0441: Evaporative Emission Control System Incorrect Purge Flow [04/2013 - ]
P0451Canister pressure sensor (built into canister pump module) signal noise Canister pressure sensor (built into canister pump module) signal becomes fixed/flatRefer to DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input [04/2013 - ]
P0452Canister pressure sensor (built into canister pump module) voltage low
P0453Canister pressure sensor (built into canister pump module) voltage high
P0455EVAP gross leakRefer to DTC P0455: Evaporative Emission Control System Leak Detected (Gross Leak); DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak) [04/2013 - ]
P0456EVAP small leak
P2401Leak detection pump stuck off (built into canister pump module)Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low [04/2013 - ]
P2402Leak detection pump stuck on (built into canister pump module)
P2419Vent valve stuck closed (built into canister pump module)
P2420Vent valve stuck open (vent) (built into canister pump module)Refer to DTC P2420: Evaporative Emission System Switching Valve Control Circuit High [04/2013 - ]
P2610Soak timer (built into ECM)Refer to DTC P2610: ECM / PCM Internal Engine Off Timer Performance [04/2013 - ]

If any EVAP system DTCs are stored, the malfunctioning area can be determined using the table below.

Scheme 79

Scheme 79

Note. If the reference pressure difference between the first and second checks is more than the specification, all the DTCs relating to the reference pressure (P043E, P043F, P2401, P2402 and P2419) will all be stored.

Scheme 80

Scheme 80: DESCRIPTION
*1Purge VSV*2Fuel Vapor Feed Hose Assembly (EVAP Hose) (to Intake Air Surge Tank Assembly)
*3Fuel Vapor Feed Hose Assembly (EVAP Hose) (from Canister)*4Canister Pump Module - Canister Pressure Sensor - Leak Detection Pump - Vent Valve
*5Canister*6Canister Filter
*7Air Inlet Port*8Fuel Cap
*9Fuel Tank
*aLocation of EVAP (Evaporative Emission) System*bPurge Line

HINT

The canister pressure sensor, the leak detection pump and the vent valve are built into the canister pump module.

Scheme 81

Scheme 81
*1Canister Pump Module*2Intake Air Surge Tank Assembly
*3Purge VSV*4Throttle Valve
*5Canister*6Cut-off Valve
*7Fuel Tank*8Air Cleaner
*9ECM*10Canister Filter
*11Soak Timer*12Roll-Over Valve
*13Fuel Cap
*aEVAP System Circuit

Note. In the EVAP system of this vehicle, turning on the vent valve does not seal off the EVAP system. To check for leaks in the EVAP system, disconnect the air inlet vent hose and apply pressure from the atmospheric side of the canister.

While the engine is running, if a predetermined condition (closed-loop, etc.) is met, the purge VSV is opened by the ECM and fuel vapors stored in the canister are purged to the intake air surge tank assembly. The ECM changes the duty cycle ratio of the purge VSV to control purge flow volume.

The purge flow volume is also determined by the intake pressure. Atmospheric pressure is allowed into the canister through the vent valve to ensure that the purge flow is maintained when negative pressure (vacuum) is applied to the canister.

The following two monitors run to confirm appropriate EVAP system operation.

Scheme 82

Scheme 82

Scheme 83

Scheme 83

Scheme 84

Scheme 84

Scheme 85

Scheme 85
  1. Key-off monitor This monitor checks for EVAP (evaporative emission) system leaks and canister pump module malfunctions. The monitor starts 5 hours* after the engine switch is turned off. At least 5 hours are required for the fuel to cool down to stabilize the EVAP pressure, thus making the EVAP system monitor more accurate. The leak detection pump creates negative pressure (vacuum) in the EVAP system and the pressure is measured. Finally, the ECM monitors for leaks from the EVAP system, and malfunctions in both the canister pump module and purge VSV based on the EVAP pressure. HINT: *: If the engine coolant temperature is not less than 35°C (95°F) 5 hours after the engine switch is turned off, the monitor check starts 2 hours later. If it is still not less than 35°C (95°F) 7 hours after the engine switch is turned off, the monitor check starts 2.5 hours later.
  2. Purge flow monitor The purge flow monitor consists of the 2 monitors. The 1st monitor is conducted every time and the 2nd monitor is activated if necessary. The 1st monitor While the engine is running and the purge VSV (Vacuum Switching Valve) is on (open), the ECM monitors the purge flow by measuring the EVAP pressure change. If negative pressure is not created, the ECM begins the 2nd monitor. The 2nd monitor The vent valve is turned on (closed) and the EVAP pressure is then measured. If the variation in the pressure is less than 0.15 kPa(gauge) [1.125 mmHg(gauge)], the ECM interprets this as the purge VSV being stuck closed, illuminates the MIL and stores DTC P0441 (2 trip detection logic). Atmospheric pressure check: In order to ensure reliable malfunction detection, the variation between the atmospheric pressures, before and after of the purge flow monitor, is measured by the ECM. *1 Canister *2 to Intake Air Surge Tank Assembly *3 ECM *4 Soak Timer *5 Purge VSV (On) *6 Fuel Cap *7 Canister Filter *8 Fuel Tank *9 Leak Detection Pump (Off) *10 Canister Pressure Sensor *11 Reference Orifice (0.02 inches) *12 Vent Valve (Off) *13 Canister Pump Module - - *a EVAP Purge Flow - - Component Operation Canister Contains activated charcoal to absorb EVAP (Evaporative Emissions) generated in fuel tank. Cut-off valve Located in fuel tank. Valve floats and closes when fuel tank is 100% full. Purge VSV (Vacuum Switching Valve) Opens or closes line between canister and intake air surge tank assembly. ECM uses purge VSV to control EVAP purge flow. In order to discharge EVAP absorbed by canister to intake air surge tank assembly, ECM opens purge VSV. EVAP discharge volume to intake air surge tank assembly controlled by purge VSV duty cycle (current-carrying time). (Open: on, Close: off) Roll-over valve Located in fuel tank. Valve closes by its own weight when vehicle overturns to prevent fuel from spilling out. Soak timer Built into ECM. To ensure accurate EVAP monitor, measures 5 hours (+/-15 min) after engine switch is turned off. This allows fuel to cool down, stabilizing EVAP pressure. When approximately 5 hours elapsed, ECM activates (Scheme 64) Canister pump module Consists of (a) to (d) below. Canister pump module cannot be disassembled. (a) Vent valve Vents and closes EVAP system. When ECM turns valve on, EVAP system is closed. When ECM turns valve off, EVAP system is vented. Negative pressure (vacuum) is created in EVAP system to check for EVAP leaks by closing purge VSV, turning on vent valve (closing it) and operating leak detection pump (Scheme 62) (b) Canister pressure sensor Indicates pressure as voltages. ECM supplies regulated 5 V to pressure sensor, and uses feedback from sensor to monitor EVAP system pressure (Scheme 63) (c) Leak detection pump Creates negative pressure (vacuum) in EVAP system for leak check. (d) Reference orifice Has opening with 0.02 inch diameter. Vacuum is produced through orifice by closing purge VSV, turning off vent valve and operating leak detection pump, to monitor reference pressure. Reference pressure is used when checking for small EVAP leaks. *1 Canister *2 Reference Orifice (0.02 Inch) *3 Canister Pressure Sensor - - *a Canister Pump Module (Scheme 62) *b Airflow *c Condition: Purge Flow *d Condition: Leak Check *e Vent Valve: off (vent) *f to Canister Filter (Atmosphere) *g Leak Detection Pump: off *h Vent Valve: on (closed) *i Leak Detection Pump: on

Note. Inspect the fuses for circuits related to this system before performing the following procedure. The Techstream is required to conduct the following diagnostic troubleshooting procedure.

HINT

  1. Using the Techstream monitor results enables the EVAP (Evaporative Emission) system to be confirmed.
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

After a repair, check Monitor Status by performing the Key-Off Monitor Confirmation and Purge Flow Monitor Confirmation described below.

  1. KEY-OFF MONITOR CONFIRMATION Preconditions The monitor will not run unless: The vehicle has been driven for 10 minutes or more (in a city area or on a freeway). The fuel tank is less than 90% full. The altitude is less than 2400 m (7875 ft). The engine coolant temperature is between 4.4 and 35°C (40 and 95°F). The intake air temperature is between 4.4 and 35°C (40 and 95°F). The vehicle remains stationary (the vehicle speed is 0 km/h [0 mph]). Monitor Conditions Allow the engine to idle for at least 5 minutes. Turn the engine switch off and wait for 6 hours (8 or 10.5 hours). HINT: Do not start the engine until checking Monitor Status. If the engine is started, the steps described above must be repeated. Monitor Status Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor. Check the Monitor Status displayed on the Techstream. HINT: If Incomplete is displayed, the monitor did not complete. Make sure that the preconditions have been met, and perform the Monitor Conditions again.
  2. PURGE FLOW MONITOR CONFIRMATION (P0441) HINT: Perform this monitor confirmation after the Key-Off Monitor Confirmation shows Complete. Preconditions The monitor will not run unless: The vehicle has been driven for 10 minutes or more (in a city area or on a freeway). The engine coolant temperature is 4.4°C (40°F) or higher. The intake air temperature is 4.4°C (40°F) or higher. Monitor Conditions Release the pressure from the fuel tank by removing and reinstalling the fuel cap. Warm the engine up until the engine coolant temperature reaches higher than 75°C (167°F). Increase the engine speed to 3000 rpm once. Allow the engine to idle and turn the A/C switch on for 1 minute. Monitor Status Turn the engine switch off (if on (IG) or if the engine is running). Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor. Check the Monitor Status displayed on the Techstream. HINT: If Incomplete is displayed, the monitor did not complete. Make sure that the preconditions have been met, and perform the Monitor Conditions again.

Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [04/2013 - ]

Monitor IDTest IDScalingUnitDescription
$3D$C9Multiply by 0.001KPaTest value for small leak

P0456: EVAPORATIVE SYSTEM / SMALL LEAK

Monitor IDTest IDScalingUnitDescription
$3D$CAMultiply by 0.001KPaTest value for gross leak

P0455: EVAPORATIVE SYSTEM / GROSS LEAK

Monitor IDTest IDScalingUnitDescription
$3D$CBMultiply by 0.001KPaTest value for leak detection pump stuck off

P2401: EVAPORATIVE SYSTEM / VACUUM PMP OFF

Monitor IDTest IDScalingUnitDescription
$3D$CDMultiply by 0.001KPaTest value for leak detection pump stuck on

P2402: EVAPORATIVE SYSTEM / VACUUM PMP ON

Monitor IDTest IDScalingUnitDescription
$3D$CEMultiply by 0.001KPaTest value for vent valve stuck off

P2420: EVAPORATIVE SYSTEM / VENT VALVE OFF

Monitor IDTest IDScalingUnitDescription
$3D$CFMultiply by 0.001KPaTest value for vent valve stuck on

P2419: EVAPORATIVE SYSTEM / VENT VALVE ON

Monitor IDTest IDScalingUnitDescription
$3D$D0Multiply by 0.001KPaTest value for reference orifice low flow

P043E: EVAPORATIVE SYSTEM / ORIFICE CLOGGED

Monitor IDTest IDScalingUnitDescription
$3D$D1Multiply by 0.001KPaTest value for reference orifice high flow

P043F: EVAPORATIVE SYSTEM / ORIFICE HI-FLW

Monitor IDTest IDScalingUnitDescription
$3D$D4Multiply by 0.001KPaTest value for purge VSV stuck closed

P0441: EVAPORATIVE SYSTEM / PURGE VSV CLOSED

Monitor IDTest IDScalingUnitDescription
$3D$D5Multiply by 0.001KPaTest value for purge VSV stuck open

P0441: EVAPORATIVE SYSTEM / PURGE VSV OPENED

Monitor IDTest IDScalingUnitDescription
$3D$D7Multiply by 0.001KPaTest value for purge flow insufficient

P0441: EVAPORATIVE SYSTEM / PURGE FLOW

Scheme 86

Scheme 86: PROCEDURE

Scheme 87

Scheme 87

Scheme 88

Scheme 88

Scheme 89

Scheme 89

Scheme 90

Scheme 90

Scheme 91

Scheme 91

Scheme 92

Scheme 92

Scheme 93

Scheme 93

Scheme 94

Scheme 94
  1. CONFIRM DTC Turn the engine switch off and wait for 10 seconds. Turn the engine switch on (IG). Turn the engine switch off and wait for 10 seconds. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Powertrain > Engine > Trouble Codes Confirm the DTCs and freeze frame data. If any EVAP system DTCs are stored, the malfunctioning area can be determined using the table below. NOTE: If the reference pressure difference between the first and second checks is greater than the specification, all the DTCs relating to the reference pressure (P043E, P043F, P2401, P2402 and P2419) are stored. Result Proceed to NEXT Result: 1 NEXT See step 2
  2. PERFORM EVAP SYSTEM CHECK (AUTOMATIC MODE) NOTE: The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 24 minutes. Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable. Do not run the engine during this operation. When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the temperature less than 35°C (95°F). Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode. Powertrain > Engine > Utility Tester Display Evaporative System Check After the Evaporative System Check is completed, check for pending DTCs by entering the following menus: Powertrain / Engine and ECT / Trouble Codes. Powertrain > Engine > Trouble Codes HINT: If no pending DTCs are displayed, perform the Confirmation Driving Pattern. After this confirmation, check for pending DTCs. If no DTCs are displayed, the EVAP system is normal. Result Proceed to NEXT Result: 1 NEXT See step 3
  3. PERFORM EVAP SYSTEM CHECK (MANUAL MODE) NOTE: In the Evaporative System Check (Manual Mode), the series of 6 Evaporative System Check steps are performed manually using the Techstream. Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable. Do not run the engine during this operation. When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the temperature less than 35°C (95°F). Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Manual Mode. Powertrain > Engine > Utility Tester Display Evaporative System Check Result Proceed to NEXT Result: 1 NEXT See step 4
  4. PERFORM EVAP SYSTEM CHECK (STEP 1/6) Check the EVAP pressure in step 1/6. Result DTC*1 Result Suspected Trouble Area Proceed to - Virtually no variation in EVAP pressure Not yet determined A P0451 EVAP pressure fluctuates by +/-0.3 kPa(gauge) [2.25 mmHg(gauge)] or higher Canister pressure sensor signal noise B (P0452 or P0453)*2 EVAP pressure is below 42.11 kPa(abs) [315.867 mmHg(abs)] or 123.761 kPa(abs) [928.331 mmHg(abs)] or higher EVAP pressure deviates +/-10 kPa(gauge) [75 mmHg(gauge)] from actual atmosphere pressure *3 Canister pressure sensor or its circuit has malfunction C *1: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in the "Confirm DTC" procedure above. *2: If the canister pressure sensor circuit has an open or short, DTC P0452 or P0453 is stored 0.5 seconds after the engine switch is turned on (IG). HINT: *3: Canister pressure sensor standard output range is 70 to 110 kPa(abs) [525 to 825 mmHg(abs)]. This varies by weather. Result: 2 B See step 48 Result: 3 C See step 49 Result: 1 A See step 5
  5. PERFORM EVAP SYSTEM CHECK (STEP 1/6 TO 2/6) Check the EVAP pressure in steps 1/6 and 2/6. Result DTC* Result Suspected Trouble Area Proceed to - Virtually no variation in EVAP pressure during step 1/6. Then decreases to reference pressure Not yet determined A P2402 Small difference between EVAP pressures during steps 1/6 and 2/6 Leak detection pump stuck ON B *: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in the "Confirm DTC" procedure above. HINT: The first reference pressure is the value determined in step 2/6. Result: 2 B See step 45 Result: 1 A See step 6
  6. PERFORM EVAP SYSTEM CHECK (STEP 2/6) HINT: Make a note of the pressures checked in inspection items (A) and (B) below. Check the EVAP pressure 4 seconds after the leak detection pump is activated*1 (A). *1: The leak detection pump begins to operate as step 1/6 finishes and step 2/6 starts. Check the EVAP pressure again when it has stabilized. This pressure is the reference pressure (B). Result DTC*2. Result Suspected Trouble Area Proceed to - EVAP pressure in inspection item (B) is between -4.85 kPa(gauge) and -1.057 kPa(gauge) [-36.38 mmHg(gauge) and -7.929 mmHg(gauge)] Not yet determined A P043F and P2401 EVAP pressure in inspection item (B) is -1.057 kPa(gauge) [-7.929 mmHg(gauge)] or higher Reference orifice high-flow Leak detection pump stuck off B P043E EVAP pressure in inspection item (B) is less than -4.85 kPa(gauge) [-36.38 mmHg(gauge)] Reference orifice clogged C P2419 EVAP pressure in inspection item (A) is higher than -0.25 kPa(gauge) [-1.875 mmHg(gauge)] Vent valve stuck closed Leak detection pump performance deteriorates Leak detection pump circuit malfunctioning (large resistance exists in the circuit) D *2: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in the "Confirm DTC" procedure above. Result: 2 B See step 36 Result: 3 C See step 48 Result: 4 D See step 37 Result: 1 A See step 7
  7. PERFORM EVAP SYSTEM CHECK (STEP 2/6 TO 3/6) Check the EVAP pressure in step 3/6. Result DTC* Result Suspected Trouble Area Proceed to - EVAP pressure increases by 0.3 kPa(gauge) [2.25 mmHg(gauge)] or higher within 10 seconds of proceeding from step 2/6 to step 3/6 Not yet determined A P2420 No variation in EVAP pressure even after proceeding from step 2/6 to step 3/6 Vent valve stuck open (vent) Canister (charcoal filter inside canister) clogged B P0451 No variation in EVAP pressure during steps 1/6 through 3/6 Canister pressure sensor output value stuck Vent valve broken (valve split in two) Leak detection pump performance deteriorates Leak detection pump circuit malfunctioning (large resistance exists in the circuit) C *: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in the "Confirm DTC" procedure above. Result: 2 B See step 32 Result: 3 C See step 39 Result: 1 A See step 8
  8. PERFORM EVAP SYSTEM CHECK (STEP 3/6) Wait until the EVAP pressure change is less than 0.1 kPa(gauge) [0.75 mmHg(gauge)] for 40 seconds. Measure the EVAP pressure and record it. HINT: A few minutes are required for the EVAP pressure to become saturated. When there is little fuel in the fuel tank, it takes up to 15 minutes. Result Proceed to NEXT Result: 1 NEXT See step 9
  9. PERFORM EVAP SYSTEM CHECK (STEP 4/6) Check the EVAP pressure in step 4/6. Result DTC*1 Result Suspected Trouble Area Proceed to - EVAP pressure increases by 0.3 kPa(gauge) [2.25 mmHg(gauge)] or higher within 10 seconds of proceeding from step 3/6 to step 4/6 Not yet determined A P0441*2 EVAP pressure increases by 0.3 kPa(gauge) [2.25 mmHg(gauge)] or higher within 10 seconds of proceeding from step 3/6 to step 4/6 Purge VSV Purge VSV circuit Problems in EVAP hose between purge VSV and intake air surge tank assembly Problems in EVAP hose between canister and purge VSV ECM B P0441 Variation in EVAP pressure is less than 0.3 kPa(gauge) [2.25 mmHg(gauge)] for 10 seconds, after proceeding from step 3/6 to step 4/6 Purge VSV stuck closed Purge VSV circuit Canister (charcoal filter inside canister) clogged Problems in EVAP hose between purge VSV and intake air surge tank assembly Problems in EVAP hose between canister and purge VSV ECM C *1: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in the "Confirm DTC" procedure above. *2: This result suggests that due to purge line blockage or purge VSV malfunction, the DTC was stored by the purge flow monitor while the engine was running, or that key-off monitor test result were nearly borderline values. Result: 2 B See step 12 Result: 3 C See step 20 Result: 1 A See step 10
  10. PERFORM EVAP SYSTEM CHECK (STEP 5/6) Check the EVAP pressure in step 5/6. Compare the EVAP pressure in step 3/6 and the second reference pressure (step 5/6). Result DTC* Result Suspected Trouble Area Proceed to - EVAP pressure from step 3/6 lower than second reference pressure (step 5/6) Not yet determined (no leakage from EVAP system) A P0441 and P0455 EVAP pressure from step 3/6 higher than [second reference pressure (step 5/6) x 0.2] Purge VSV stuck open EVAP gross leak B P0456 EVAP pressure from step 3/6 higher than second reference pressure (step 5/6) EVAP small leak *: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in the "Confirm DTC" procedure above. Result: 2 B See step 20 Result: 1 A See step 11
  11. REPAIR OR REPLACE PARTS AND COMPONENTS INDICATED BY OUTPUT DTCS Repair the malfunctioning areas indicated by the DTCs that had been confirmed when the vehicle was brought in. Result Proceed to NEXT Result: 1 NEXT See step 24
  12. INSPECT EVAP HOSE (PURGE VSV - CANISTER) Check for blockages in the EVAP purge line between the purge VSV and canister. OK No blockages in the EVAP purge line between the purge VSV and canister. Result Proceed to OK NG Result: 2 NG See step 25 Result: 1 OK See step 13
  13. CHECK EVAP HOSE (PURGE VSV - INTAKE AIR SURGE TANK ASSEMBLY) Disconnect the fuel vapor feed hose assembly (connected to the intake air surge tank assembly) from the purge VSV. *1 Purge VSV *2 Fuel Vapor Feed Hose Assembly (to Intake Air Surge Tank Assembly) Start the engine. Use your finger to confirm that the hose has suction. Result Test Result Suspected Trouble Area Proceed to Suction applied EVAP hose between purge VSV and intake air surge tank assembly normal Purge VSV Purge VSV power source Wire harness or connector between purge VSV and ECM A No suction Intake air surge tank assembly port EVAP hose between purge VSV and intake air surge tank assembly B Result: 2 B See step 17 Result: 1 A See step 14
  14. INSPECT PURGE VSV Remove the purge VSV. Apply battery voltage to the terminals of the purge VSV. *1 Purge VSV Confirm that air flows from port E to port F. Result Test Result Condition Suspected Trouble Area Proceed to Air flows Battery voltage is applied to purge VSV terminals Purge VSV normal Purge VSV power source Wire harness or connector between purge VSV and ECM A No air flow Battery voltage is applied to purge VSV terminals Purge VSV B Result: 2 B See step 31 Result: 1 A See step 15
  15. CHECK TERMINAL VOLTAGE (POWER SOURCE OF PURGE VSV) Disconnect the purge VSV connector. *a Front view of wire harness connector (to Purge VSV) Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Result Tester Connection Condition Specified Condition Suspected Trouble Area Proceed to F22-1 - Body ground Engine switch on (IG) 11 to 14 V Purge VSV power source normal Wire harness or connector between purge VSV and ECM A Other than result above Wire harness or connectors between purge VSV and battery B Result: 2 B See step 44 Result: 1 A See step 16
  16. CHECK HARNESS AND CONNECTOR (PURGE VSV - ECM) Disconnect the ECM connector. Disconnect the purge VSV connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F22-1 - F1-17 (PRG) Always Below 1 ohms F22-1 or F1-17 (PRG) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK See step 43 Result: 2 NG See step 44
  17. INSPECT INTAKE AIR SURGE TANK ASSEMBLY (EVAP PURGE PORT) Stop the engine. Disconnect the EVAP hose from the intake air surge tank assembly. Start the engine. Use your finger to confirm that the port of the intake air surge tank assembly has suction. Result Tester Connection Suspected Trouble Area Proceed to Suction applied EVAP hose between intake air surge tank assembly and purge VSV A No suction Intake air surge tank assembly B Result: 2 B See step 19 Result: 1 A See step 18
  18. REPAIR OR REPLACE EVAP PURGE LINE (INTAKE AIR SURGE TANK ASSEMBLY - PURGE VSV) Result Proceed to NEXT Result: 1 NEXT See step 24
  19. INSPECT INTAKE AIR SURGE TANK ASSEMBLY (EVAP PURGE PORT) Check that the EVAP purge port of the intake air surge tank assembly is not clogged. If necessary, replace the intake air surge tank assembly. Refer to «REMOVAL [04/2013 - ]»(ref-665769-S18378390412014102400000) Result Proceed to NEXT Result: 1 NEXT See step 24
  20. PERFORM ACTIVE TEST USING TECHSTREAM (PURGE VSV) Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the VSV for EVAP Control. Powertrain > Engine > Active Test Tester Display Activate the VSV for Evap Control Disconnect the fuel vapor feed hose assembly (connected to the canister) from the purge VSV. *1 Purge VSV *2 Fuel Vapor Feed Hose Assembly (to Canister) Start the engine. Using the Techstream, turn off the purge VSV (Activate the VSV for Evap Control: OFF). Use your finger to confirm that the purge VSV has no suction. Using the Techstream, turn on the purge VSV (Activate the VSV for Evap Control: ON). Use your finger to confirm that the purge VSV has suction. Result Test Result Suspected Trouble Area Proceed to No suction when purge VSV turned off, and suction applied when turned on Blockage in the purge line is considered (based on result of step 9): Problems with EVAP hose between canister and purge VSV Canister (charcoal filter inside canister) clogged ECM A Leakage is considered (based on result of step 10): Fuel cap Leakage from EVAP line, fuel tank, or canister B Suction applied when purge VSV turned off Purge VSV stuck open C No suction when purge VSV turned on Purge VSV stuck closed Problems with EVAP hose between purge VSV and intake air surge tank assembly D Result: 2 B See step 26 Result: 3 C See step 30 Result: 4 D See step 13 Result: 1 A See step 21
  21. INSPECT EVAP HOSE (PURGE VSV - CANISTER) Check for blockages in the EVAP purge line between the purge VSV and canister. OK No blockages in the EVAP purge line between the purge VSV and canister. Result Proceed to OK NG Result: 2 NG See step 25 Result: 1 OK See step 22
  22. INSPECT CANISTER (CHARCOAL FILTER INSIDE CANISTER) Check for filter blockage in the canister. Refer to «INSPECTION [04/2013 - ]»(ref-665713-S40159312872014102400000) OK No blockages in the canister. Result Proceed to OK NG Result: 1 OK See step 43 Result: 2 NG See step 23
  23. REPLACE CANISTER Replace the canister. Refer to «REMOVAL [04/2013 - ]»(ref-665713-S36997230272014102400000) NOTE: When replacing the canister, check the canister pump module interior and related pipes for water, fuel and other liquids. If liquids are present, check for disconnections and/or cracks in the following: 1) the pipe from the air inlet port to the canister pump module; 2) the canister filter; and 3) the fuel tank vent hose. Check for filter blockage in the canister filter. If the canister filter has blockages, replace the canister filter. *1 Fuel Tank Vent Hose *2 Air Inlet Port *3 Vent Hose *4 Fuel Tank *5 Canister Pump Module *6 Canister *7 Canister Filter - - *a Inspection Area (check for disconnection and/or cracks) - - Result Proceed to NEXT Result: 1 NEXT See step 24
  24. PERFORM EVAP SYSTEM CHECK (AUTOMATIC MODE) NOTE: The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 24 minutes. Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable. Do not run the engine in this step. When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing an Evaporative System Check, keep the fuel temperature below 35°C (95°F). Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode. Powertrain > Engine > Utility Tester Display Evaporative System Check After the Evaporative System Check is completed, check for pending DTCs by entering the following menus: Powertrain / Engine and ECT / Trouble Codes. Powertrain > Engine > Trouble Codes HINT: If no pending DTCs are found, the repair has been successfully completed. Result Proceed to NEXT Result: 1 NEXT END
  25. REPAIR OR REPLACE EVAP PURGE LINE (PURGE VSV - CANISTER) Result Proceed to NEXT Result: 1 NEXT See step 24
  26. CHECK FUEL CAP Check that the fuel cap is correctly installed and confirm that the fuel cap meets OEM specifications. Tighten the fuel cap firmly (only one click sound could be heard). HINT: If an EVAP tester is available, check the fuel cap using the tester. Remove the fuel cap and install it onto a fuel cap adapter. Connect an EVAP tester pump hose to the adapter, and pressurize the cap to 3.2 to 3.7 kPa(gauge) [24 to 27.75 mmHg(gauge)] using an EVAP tester pump. Seal the adapter and wait for 2 minutes. Check the pressure. If the pressure is 2 kPa(gauge) [15 mmHg(gauge)] or higher, the fuel cap is normal. Result Test Result Suspected Trouble Area Proceed to Fuel cap correctly installed - A Fuel cap loose Fuel cap improperly installed Defective fuel cap Fuel cap does not meet OEM specifications B Defective fuel cap - No fuel cap - C Result: 2 B See step 28 Result: 3 C See step 29 Result: 1 A See step 27
  27. LOCATE EVAP LEAK PART Disconnect the vent hose. *1 Fuel Tank *2 Canister *3 Canister Filter *4 Fuel Cap *5 Canister Pump Module - - *a Disconnect the vent hose - - Connect the EVAP pressure tester tool to the canister pump module with the adapter. *1 Canister Pump Module *2 Adapter *3 EVAP Pressure Tester Tool - - Pressurize the EVAP system to 3.2 to 3.7 kPa(gauge) [24 to 28 mmHg(gauge)]. Apply soapy water to the piping and connecting parts of the EVAP system. Look for areas where bubbles appear. This indicates the leak point. Repair or replace the leak point. HINT: Disconnect the hose between the canister and fuel tank from the canister. Block the canister side and conduct an inspection. In this way, the fuel tank can be excluded as an area suspected of causing fuel leaks. Result Proceed to NEXT Result: 1 NEXT See step 24
  28. CORRECTLY REINSTALL OR REPLACE FUEL CAP HINT: When reinstalling the fuel cap, tighten it firmly (only one click sound could be head). When replacing the fuel cap, use a fuel cap that meets OEM specifications, and install it firmly. Result Proceed to NEXT Result: 1 NEXT See step 24
  29. REPLACE FUEL CAP HINT: When installing the fuel cap, tighten it firmly (only one click sound could be head). Result Proceed to NEXT Result: 1 NEXT See step 24
  30. INSPECT PURGE VSV Turn the engine switch off. Disconnect the purge VSV connector. *1 Fuel Vapor Feed Hose Assembly (to Canister) *2 Purge VSV Disconnect the fuel vapor feed hose assembly (connected to the canister) from the purge VSV. Start the engine. Use your finger to confirm that the purge VSV has no suction. Result Test Result Suspected Trouble Area Proceed to No suction Wire harness or connector between purge VSV and ECM ECM A Suction applied Purge VSV B Result: 1 A See step 16 Result: 2 B See step 31
  31. REPLACE PURGE VSV Replace the purge VSV. Refer to «REMOVAL [04/2013 - ]»(ref-665713-S17374833152014102400000) Result Proceed to NEXT Result: 1 NEXT See step 24
  32. INSPECT CANISTER PUMP MODULE (POWER SOURCE FOR VENT VALVE) *a Front view of wire harness connector (to Canister Pump Module) Turn the engine switch off. Disconnect the canister pump module connector. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Result Tester Connection Condition Specified Condition Suspected Trouble Area Proceed to Q32-5 (VLVB) - Body ground Engine switch on (IG) 11 to 14 V Wire harness or connector between vent valve and ECM Vent valve Canister (charcoal filter inside canister) clogged ECM A Below 3 V Power source wire harness of vent valve B Result: 2 B See step 44 Result: 1 A See step 33
  33. INSPECT CANISTER PUMP MODULE (VENT VALVE OPERATION) *a Component without harness connected (Canister Pump Module) Turn the engine switch off. Disconnect the canister pump module connector. Apply the battery voltage to terminals VLVB and VGND of the canister pump module. Touch the canister pump module to confirm the vent valve operation. Result Condition Tester Result Suspected Trouble Area Proceed to Apply battery voltage to terminals VLVB and VGND Operating Wire harness or connector between vent valve and ECM Canister (charcoal filter inside canister) clogged ECM A Not operating Vent valve B Result: 2 B See step 48 Result: 1 A See step 34
  34. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM) Turn the engine switch off. Disconnect the canister pump module connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Result Tester Connection Condition Test Result Suspected Trouble Area Proceed to Q32-1 (VGND) - F1-16 (VPMP) Always Below 1 ohms Canister (charcoal filter inside canister) clogged ECM A 10 kohms or higher Wire harness or connector between ECM and canister pump module B Result: 2 B See step 44 Result: 1 A See step 35
  35. INSPECT CANISTER (CHARCOAL FILTER INSIDE CANISTER) Check for filter blockage in the canister. Refer to «INSPECTION [04/2013 - ]»(ref-665713-S40159312872014102400000) OK No blockages in the canister. Result Proceed to OK NG Result: 1 OK See step 43 Result: 2 NG See step 23
  36. PERFORM EVAP SYSTEM CHECK (STEP 3/6) Check the EVAP pressure in step 3/6. Result DTC* Result Suspected Trouble Area Proceed to P043F EVAP pressure less than [reference pressure] measured in step 2/6 Reference orifice high-flow A P2401 EVAP pressure almost same as [reference pressure] measured in step 2/6 Leak detection pump stuck off B *: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in the "Confirm DTC" procedure above. HINT: The first reference pressure is the value determined in step 2/6. Result: 1 A See step 48 Result: 3 B See step 45
  37. INSPECT CANISTER PUMP MODULE (VENT VALVE OPERATION) *a Component without harness connected (Canister Pump Module) Turn the engine switch off. Disconnect the canister pump module connector. Apply the battery voltage to terminals VLVB and VGND of the canister pump module. Touch the canister pump module to confirm the vent valve operation. Result Condition Tester Result Suspected Trouble Area Proceed to Apply battery voltage to terminals VLVB and VGND Operating Wire harness or connector between vent valve and ECM Leak detection pump performance deteriorates Leak detection pump circuit malfunctioning (large resistance exists in the circuit) ECM A Not operating Vent valve B Result: 2 B See step 48 Result: 1 A See step 38
  38. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM) Turn the engine switch off. Disconnect the ECM connector. Disconnect the canister pump module connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F1-16 (VPMP) - Q32-1 (VGND) Always Below 1 ohms F1-16 (VPMP) or Q32-1 (VGND) - Body ground Always 10 kohms or higher Result Result Suspected Trouble Area Proceed to OK Leak detection pump performance deteriorates Leak detection pump circuit malfunctioning (large resistance exists in the circuit) ECM A NG Wire harness or connector between ECM and canister pump module B Result: 2 B See step 44 Result: 1 A See step 39
  39. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - BODY GROUND) Disconnect the canister pump module connector. Measure the resistance according to the value(s) in the table below. Result Tester Connection Condition Specified Condition Suspected Trouble Area Proceed to Q32-4 (MGND) - Body ground Always Below 1 ohms Canister pump module Wire harness or connector between canister pump module and ECM ECM A 10 kohms or higher Wire harness or connector between canister pump module and body ground B Result: 2 B See step 44 Result: 1 A See step 40
  40. CHECK HARNESS AND CONNECTOR (ECM - CANISTER PUMP MODULE) Disconnect the canister pump module connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Result Tester Connection Condition Specified Condition Suspected Trouble Area Proceed to F1-15 (MPMP) - Q32-3 (MTRB) Always Below 1 ohms Canister pump module ECM A 10 kohms or higher Wire harness or connector between ECM and canister pump module B Result: 2 B See step 44 Result: 1 A See step 41
  41. REPLACE CANISTER PUMP MODULE Replace the canister pump module. Refer to «REMOVAL [04/2013 - ]»(ref-665713-S36997230272014102400000) NOTE: When replacing canister pump module, check the canister pump module interior, canister interior and related pipes for water, fuel and other liquids. If liquids are present, check for disconnections and/or cracks in the following: 1) the pipe from the air inlet port to the canister pump module; 2) the canister filter; and 3) the fuel tank vent hose. If liquids are present in canister interior, replace canister and canister pump module together. Check for filter blockage in the canister. If the charcoal filter inside the canister is clogged, replace canister and canister pump module together. Check for filter blockage in the canister filter. If the canister filter has blockages, replace the canister filter. *1 Fuel Tank Vent Hose *2 Air Inlet Port *3 Vent Hose *4 Fuel Tank *5 Canister Pump Module *6 Canister *7 Canister Filter - - *a Inspection Area (check for disconnection and/or cracks) - - Result Proceed to NEXT Result: 1 NEXT See step 42
  42. PERFORM EVAP SYSTEM CHECK (AUTOMATIC MODE) NOTE: The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 24 minutes. Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable. The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 24 minutes. Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable. Do not run the engine in this step. When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing an Evaporative System Check, keep the fuel temperature below 35°C (95°F). Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [04/2013 - ]»(ref-665554-S38092923772014102400000) Powertrain > Engine > Clear DTCs Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode. Powertrain > Engine > Utility Tester Display Evaporative System Check After the Evaporative System Check is completed, check for pending DTCs by entering the following menus: Powertrain / Engine and ECT / Trouble Codes. Powertrain > Engine > Trouble Codes Result Result Proceed to EVAP system DTCs are output A DTCs are not output (Pending DTCs are not output) B Result: 2 B END Result: 1 A See step 43
  43. REPLACE ECM Replace the ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result Proceed to NEXT Result: 1 NEXT See step 24
  44. REPAIR OR REPLACE HARNESS OR CONNECTOR Result Proceed to NEXT Result: 1 NEXT See step 24
  45. CHECK TERMINAL VOLTAGE (CANISTER PUMP MODULE) *a Front view of wire harness connector (to Canister Pump Module) Turn the engine switch off. Disconnect the canister pump module connector. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Result Tester Connection Condition Test Result Suspected Trouble Area Proceed to Q32-3 (MTRB) - Body ground Engine switch on (IG) 9 to 14 V Wire harness or connector between leak detection pump and body ground Leak detection pump A Below 3 V Wire harness or connector between leak detection pump and ECM ECM B Result: 2 B See step 47 Result: 1 A See step 46
  46. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - BODY GROUND) Turn the engine switch off. Disconnect the canister pump module connector. Measure the resistance according to the value(s) in the table below. Result Tester Connection Condition Specified Condition Suspected Trouble Area Proceed to Q32-4 (MGND) - Body ground Always Below 1 ohms Leak detection pump A 10 kohms or higher Wire harness or connector between canister pump module and body ground B Result: 1 A See step 48 Result: 2 B See step 44
  47. CHECK HARNESS AND CONNECTOR (ECM - CANISTER PUMP MODULE) Turn the engine switch off. Disconnect the ECM connector. Disconnect the canister pump module connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F1-15 (MPMP) - Q32-3 (MTRB) Always Below 1 ohms F1-15 (MPMP) or Q32-3 (MTRB) - Body ground Always 10 kohms or higher Result Result Suspected Trouble Area Proceed to OK ECM A NG Wire harness or connector between ECM and canister pump module B Result: 1 A See step 43 Result: 2 B See step 44
  48. REPLACE CANISTER PUMP MODULE Replace the canister pump module. Refer to «REMOVAL [04/2013 - ]»(ref-665713-S36997230272014102400000) HINT: When replacing canister pump module, check the canister pump module interior, canister interior and related pipes for water, fuel and other liquids. If liquids are present, check for disconnections and/or cracks in the following: 1) the pipe from the air inlet port to the canister pump module; 2) the canister filter; and 3) the fuel tank vent hose. If liquids are present in canister interior, replace canister and canister pump module together. Check for filter blockage in the canister. If the charcoal filter inside the canister is clogged, replace canister and canister pump module together. Check for filter blockage in the canister filter. if the canister filter has blockages, replace the canister filter. *1 Fuel Tank Vent Hose *2 Air Inlet Port *3 Vent Hose *4 Fuel Tank *5 Canister Pump Module *6 Canister *7 Canister Filter - - *a Inspection Area (check for disconnection and/or cracks) - - Result Proceed to NEXT Result: 1 NEXT See step 24
  49. INSPECT CANISTER PUMP MODULE (CANISTER PRESSURE SENSOR CIRCUIT) Check the canister pressure sensor circuit, referring to DTC P0451 canister pressure sensor circuit inspection procedure. Refer to «DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input [04/2013 - ]»(ref-665748-S10191018322014102400000) Result Proceed to NEXT Result: 1 NEXT See step 24

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

Scheme 95

Scheme 95: PROCEDURE
  1. INSPECT SEMICONDUCTOR PWR INTEGRATION ECU (POWER SOURCE) Disconnect the semiconductor pwr integration ECU connector. *a Front view of wire harness connector (to Semiconductor Pwr Integration ECU) Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2B-1 - Body ground Always 11 to 14 V Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - SEMICONDUCTOR PWR INTEGRATION ECU) Result: 1 OK See step 2
  2. CHECK HARNESS AND CONNECTOR (SEMICONDUCTOR PWR INTEGRATION ECU - BODY GROUND) Disconnect the semiconductor pwr integration ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2D-14 - Body ground Always Below 1 ohms 2G-5 - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 3
  3. INSPECT SEMICONDUCTOR PWR INTEGRATION ECU (EFI MAIN, IG2 RELAY) Inspect the semiconductor pwr integration ECU (EFI MAIN, IG2 relay). Refer to «INSPECTION [04/2013 - ]»(ref-665734-S30095175252014102400000) Result Proceed to OK NG Result: 2 NG REPLACE SEMICONDUCTOR PWR INTEGRATION ECU. Refer to «REMOVAL [04/2013 - ]»(ref-665734-S38821131362014102400000) Result: 1 OK See step 4
  4. CHECK HARNESS AND CONNECTOR (SEMICONDUCTOR PWR INTEGRATION ECU - ECM) Disconnect the semiconductor pwr integration ECU connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A76-3 (MREL) - 2G-6 Always Below 1 ohms A77-2 (+B) - 2G-8 Always Below 1 ohms A77-1 (+B2) - 2G-7 Always Below 1 ohms A76-3 (MREL) or 2G-6 - Body ground Always 10 kohms or higher A77-2 (+B) or 2G-8 - Body ground Always 10 kohms or higher A77-1 (+B2) or 2G-7 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 5
  5. CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND) Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F4-1 (E1) - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 6
  6. INSPECT ECM (IGSW VOLTAGE) Turn the engine switch on (IG). *a Component with harness connected (ECM) Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A76-8 (IGSW) - F4-1 (E1) Engine switch on (IG) 11 to 14 V Result Proceed to OK NG Result: 1 OK REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 NG See step 7
  7. CHECK HARNESS AND CONNECTOR (ECM - SEMICONDUCTOR PWR INTEGRATION ECU) Disconnect the semiconductor pwr integration ECU connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A76-8 (IGSW) - 2F-4 Always Below 1 ohms A76-8 (IGSW) or 2F-4 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 8
  8. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - SEMICONDUCTOR PWR INTEGRATION ECU) Disconnect the semiconductor pwr integration ECU connector. Disconnect the certification ECU (smart key ECU assembly) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A13-3 (IG1D) - 2E-1 Always Below 1 ohms A13-3 (IG1D) or 2E-1 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - ]»(ref-665539-S15061547412014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
  1. CHECK MIL Check that the Malfunction Indicator Lamp (MIL) lights up when the engine switch is turned on (IG). OK MIL lights up. Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [04/2013 - ]»(ref-665554-S07394673412014102400000) Result: 2 NG See step 2
  2. CHECK CONNECTION BETWEEN TECHSTREAM AND ECM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Check the communication between the Techstream and ECM. Result Result Proceed to Communication is not possible A Communication is possible B Result: 2 B GO TO MIL CIRCUIT. Refer to «MIL Circuit [04/2013 - ]»(ref-665745-S42537889452014102400000) Result: 1 A See step 3
  3. CHECK MIL (THROTTLE POSITION SENSOR) Disconnect the throttle body with motor assembly connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL does not illuminate A MIL illuminates B HINT: Perform "Inspection After Repair" after replacing the throttle body with motor assembly. Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result: 2 B REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S14046063072014102400000) Result: 1 A See step 4
  4. CHECK MIL (ACCELERATOR PEDAL POSITION SENSOR) Disconnect the accelerator pedal position sensor connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL does not illuminate A MIL illuminates B Result: 2 B REPLACE ACCELERATOR PEDAL SENSOR ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S26309927812014102400000) Result: 1 A See step 5
  5. CHECK MIL (VVT SENSOR (FOR INTAKE CAMSHAFT OF BANK 1)) Disconnect the VVT sensor (for intake camshaft of bank 1) connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL does not illuminate A MIL illuminates B Result: 2 B REPLACE VVT SENSOR (FOR INTAKE CAMSHAFT OF BANK 1). Refer to «REMOVAL [04/2013 - ]»(ref-665751-S36670879882014102400000) Result: 1 A See step 6
  6. CHECK MIL (VVT SENSOR (FOR INTAKE CAMSHAFT OF BANK 2)) Disconnect the VVT sensor (for intake camshaft of bank 2) connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL does not illuminate A MIL illuminates B Result: 2 B REPLACE VVT SENSOR (FOR INTAKE CAMSHAFT OF BANK 2). Refer to «REMOVAL [04/2013 - ]»(ref-665751-S36670879882014102400000) Result: 1 A See step 7
  7. CHECK MIL (VVT SENSOR (FOR EXHAUST CAMSHAFT OF BANK 1)) Disconnect the VVT sensor (for exhaust camshaft of bank 1) connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL does not illuminate A MIL illuminates B Result: 2 B REPLACE VVT SENSOR (FOR EXHAUST CAMSHAFT OF BANK 1). Refer to «REMOVAL [04/2013 - ]»(ref-665751-S36670879882014102400000) Result: 1 A See step 8
  8. CHECK MIL (VVT SENSOR (FOR EXHAUST CAMSHAFT OF BANK 2)) Disconnect the VVT sensor (for exhaust camshaft of bank 2) connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL does not illuminate A MIL illuminates B Result: 2 B REPLACE VVT SENSOR (FOR EXHAUST CAMSHAFT OF BANK 2). Refer to «REMOVAL [04/2013 - ]»(ref-665751-S36670879882014102400000) Result: 1 A See step 9
  9. CHECK MIL (CANISTER PUMP MODULE) Disconnect the canister pump module connector. Turn the engine switch on (IG). Check the MIL Result Result Proceed to MIL does not illuminate A MIL illuminates B Result: 2 B REPLACE CANISTER PUMP MODULE. Refer to «REMOVAL [04/2013 - ]»(ref-665713-S36997230272014102400000) Result: 1 A See step 10
  10. CHECK MIL (FUEL PRESSURE SENSOR) Disconnect the fuel pressure sensor connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL does not illuminate A MIL illuminates B Result: 2 B REPLACE FUEL PRESSURE SENSOR. Refer to «REMOVAL [04/2013 - ]»(ref-665752-S08165459162014102400000) Result: 1 A See step 11
  11. CHECK HARNESS AND CONNECTOR Disconnect the throttle body with motor assembly connector. Disconnect the accelerator pedal position sensor connector. Disconnect the VVT sensor for intake camshaft bank 1 connector. Disconnect the VVT sensor for exhaust camshaft bank 1 connector. Disconnect the VVT sensor for intake camshaft bank 2 connector. Disconnect the VVT sensor for exhaust camshaft bank 2 connector. Disconnect the fuel pressure sensor connector. Disconnect the canister pump module connector. Disconnect the ECM connectors. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F1-18 (VC) - Body ground Always 10 kohms or higher F2-34 (VCTA) - Body ground Always 10 kohms or higher A76-23 (VCPA) - Body ground Always 10 kohms or higher A76-22 (VCP2) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

  1. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE FUEL PUMP/SPEED) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump/Speed. Powertrain > Engine > Active Test Tester Display Control the Fuel Pump / Speed Check whether operating sounds can be heard while operating the fuel pump using the Techstream. OK Operating sounds can be heard from fuel pump. Result Proceed to OK NG Result: 2 NG See step 5 Result: 1 OK See step 2
  2. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE FUEL PUMP) Remove the fuel pump (for low pressure side) from the fuel tank assembly. Refer to «REMOVAL [04/2013 - ]»(ref-665752-S01858203112014102400000) Clean the fuel pump to completely remove any remaining fuel. Connect the fuel pump connector. WARNING: Make sure that there is no fuel remaining inside or on the outside of the fuel pump. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump Duty. Powertrain > Engine > Active Test Tester Display Control the Fuel Pump Duty Operate the fuel pump using the Active Test function and measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Techstream Operation Specified Condition 1 - 2 FPC Duty: 25% 3.2 to 4.05 V FPC Duty: 80% 8.8 to 12.5 V Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump/Speed. Powertrain > Engine > Active Test Tester Display Control the Fuel Pump / Speed Operate the fuel pump using the Active Test function and measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Techstream Operation Specified Condition 1 - 2 ON (FPC Duty: 90%) 9.0 to 14.0 V HINT: Be sure to measure the voltage with all the connectors connected. Before performing this inspection, check that the battery voltage is between 11 and 14 V (not depleted). Result Proceed to OK NG Result: 2 NG See step 10 Result: 1 OK See step 3
  3. CHECK HARNESS AND CONNECTOR (FUEL PUMP CONTROL ECU - ECM) Disconnect the fuel pump control ECU connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q31-5 (FPC) - A76-5 (FPC) Always Below 1 ohms Q31-5 (FPC) or A76-5 (FPC) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 4
  4. REPLACE FUEL PUMP (FOR LOW PRESSURE SIDE) Replace the fuel pump (for low pressure side). Refer to «REMOVAL [04/2013 - ]»(ref-665752-S01858203112014102400000) HINT: Perform "Inspection After Repair" after replacing the fuel pump (for low pressure side). Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to NEXT Result: 1 NEXT See step 11
  5. INSPECT FUEL PUMP CONTROL ECU (POWER SOURCE VOLTAGE) Disconnect the fuel pump control ECU connector. *a Front view of wire harness connector (to Fuel Pump Control ECU) Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Q31-6 (+B) - Body Ground Engine switch on (IG) 11 to 14 V Result Proceed to OK NG Result: 2 NG See step 12 Result: 1 OK See step 6
  6. CHECK HARNESS AND CONNECTOR (FUEL PUMP (FOR LOW PRESSURE SIDE)- FUEL PUMP CONTROL ECU) Disconnect the fuel pump (for low pressure side) connector. Disconnect the fuel pump control ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q29-4 (B) - Q31-1 (FP) Always Below 1 ohms Q29-5 (E) - Q31-2 (FP-) Always Below 1 ohms Q29-4 (B) or Q31-1 (FP) - Body ground Always 10 kohms or higher Q29-5 (E) or Q31-2 (FP-) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 7
  7. INSPECT FUEL PUMP (FOR LOW PRESSURE SIDE) Inspect the fuel pump (for low pressure side). Refer to «INSPECTION [04/2013 - ]»(ref-665752-S29166669732014102400000) HINT: Perform "Inspection After Repair" after replacing the fuel pump (for low pressure side). Refer to «INITIALIZATION [04/2013 - ]»(ref-665554-S39644640142014102400000) Result Proceed to OK NG Result: 2 NG REPLACE FUEL PUMP (FOR LOW PRESSURE SIDE). Refer to «REMOVAL [04/2013 - ]»(ref-665752-S01858203112014102400000) Result: 1 OK See step 8
  8. CHECK HARNESS AND CONNECTOR (FUEL PUMP CONTROL ECU - BODY GROUND) Disconnect the fuel pump control ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q31-3 (E) - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 9
  9. CHECK HARNESS AND CONNECTOR (FUEL PUMP CONTROL ECU - ECM) Disconnect the fuel pump control ECU connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q31-5 (FPC) - A76-5 (FPC) Always Below 1 ohms Q31-5 (FPC) or A76-5 (FPC) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 10
  10. REPLACE FUEL PUMP CONTROL ECU Replace the fuel pump control ECU. Refer to «REMOVAL [04/2013 - ]»(ref-665752-S01263425282014102400000) Result Proceed to NEXT Result: 1 NEXT See step 11
  11. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED Check the fuel pump operation. Refer to «PROCEDURE - Step 1»(ref-665746-S18024150712014102400000) OK Malfunction has been repaired successfully. Result Proceed to OK NG Result: 1 OK END Result: 2 NG REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000)
  12. INSPECT RELAY (EFI MAIN NO. 2) Inspect the EFI MAIN NO. 2 relay. Refer to «ON-VEHICLE INSPECTION [04/2013 - ]»(ref-665751-S20712841562014102400000) Result Proceed to OK NG Result: 2 NG REPLACE RELAY (EFI MAIN NO. 2) Result: 1 OK See step 13
  13. CHECK HARNESS AND CONNECTOR (EFI MAIN NO. 2 RELAY - FUEL PUMP CONTROL ECU) Remove the EFI MAIN NO. 2 relay from the No. 2 engine room relay block and No. 2 junction block assembly. Disconnect the fuel pump control ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3 (EFI MAIN NO. 2 relay) - Q31-6 (+B) Always Below 1 ohms 3 (EFI MAIN NO. 2 relay) or Q31-6 (+B) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 14
  14. CHECK HARNESS AND CONNECTOR (SEMICONDUCTOR PWR INTEGRATION ECU - EFI MAIN NO. 2 RELAY) Remove the EFI MAIN NO. 2 relay from the No. 2 engine room relay block and No. 2 junction block assembly. Disconnect the semiconductor pwr integration ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2G-1 - 2 (EFI MAIN NO. 2 relay) Always Below 1 ohms 2G-1 or 2 (EFI MAIN NO. 2 relay) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 15
  15. CHECK HARNESS AND CONNECTOR (EFI MAIN NO. 2 RELAY - BODY GROUND) Remove the EFI MAIN NO. 2 relay from the No. 2 engine room relay block and No. 2 junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 (EFI MAIN NO. 2 relay) - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - EFI MAIN NO. 2 RELAY) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

  1. CHECK WHETHER ENGINE CAN BE CRANKED Check if the engine can be cranked. Result Result Proceed to Engine cannot be cranked A Engine can be cranked B Result: 2 B See step 13 Result: 1 A See step 2
  2. READ VALUE USING TECHSTREAM (STARTER SIGNAL) Connect the Techstream to DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary / Starter Signal. Powertrain > Engine > Data List Tester Display Starter Signal Check the value displayed on the Techstream when the engine switch is turned to the on (IG) and the engine is started. OK Condition Techstream Display (Starter Signal) Engine switch on (IG) OFF Engine started ON Result Proceed to OK NG Result: 2 NG See step 10 Result: 1 OK See step 3
  3. INSPECT RELAY (ST RELAY) Inspect the ST relay. Refer to «ON-VEHICLE INSPECTION [04/2013 - ]»(ref-665749-S12153234322014102400000) Result Proceed to OK NG Result: 2 NG REPLACE RELAY (ST RELAY) Result: 1 OK See step 4
  4. INSPECT STARTER ASSEMBLY Inspect the starter assembly. Refer to «INSPECTION [04/2013 - ]»(ref-665749-S10846086962014102400000) Result Proceed to OK NG Result: 2 NG REPLACE STARTER ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665749-S29102492412014102400000) Result: 1 OK See step 5
  5. CHECK HARNESS AND CONNECTOR (ST RELAY - STARTER ASSEMBLY) Remove the ST relay from the No. 1 engine room relay block and No. 1 junction block assembly. Disconnect the starter assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3 (ST relay) - F19-1 Always Below 1 ohms 3 (ST relay) or F19-1 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 6
  6. CHECK HARNESS AND CONNECTOR (BATTERY - STARTER ASSEMBLY) Disconnect the starter assembly connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition G2-1 - Body ground Always 11 to 14 V Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 7
  7. CHECK HARNESS AND CONNECTOR (ST RELAY - BODY GROUND) Remove the ST relay from the No. 1 engine room relay block and No. 1 junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 (ST relay) - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 8
  8. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ST RELAY) Remove the ST relay from the No. 1 engine room relay block and No. 1 junction block assembly. Disconnect the park/neutral position switch assembly connector. Disconnect the certification ECU (smart key ECU assembly) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F54-5 - 2 (ST relay) Always Below 1 ohms A13-12 (STA) - 2 (ST relay) Always Below 1 ohms Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 9
  9. CHECK HARNESS AND CONNECTOR (BATTERY - ST RELAY) Remove the ST relay from the No. 1 engine room relay block and No. 1 junction block assembly. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 5 (ST relay) - Body ground Always 11 to 14 V Result Proceed to OK NG Result: 1 OK GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - ]»(ref-665539-S15061547412014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
  10. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY Inspect the park/neutral position switch assembly. for AWD models: Refer to «INSPECTION [04/2013 - ]»(ref-665725-S30877095472014102400000) for 2WD models: Refer to «INSPECTION [04/2013 - ]»(ref-665750-S14994927682014102400000) Result Result Proceed to OK A NG (for AWD models) B NG (for 2WD models) C Result: 2 B REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665725-S21086556722014102400000) Result: 3 C REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665750-S11274469572014102400000) Result: 1 A See step 11
  11. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - PARK/NEUTRAL POSITION SWITCH ASSEMBLY - ECM) Disconnect the park/neutral position switch assembly connector. Disconnect the certification ECU (smart key ECU assembly) connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A13-10 (STAR) - F54-4 Always Below 1 ohms A13-10 (STAR) - A77-29 (NSW) Always Below 1 ohms A13-10 (STAR) or F54-4 or A77-29 (NSW) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 12
  12. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - ECM - ST RELAY - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) Disconnect the park/neutral position switch assembly connector. Disconnect the ECM connector. Remove the ST relay from the No. 1 engine room relay block and No. 1 junction block assembly. Disconnect the certification ECU (smart key ECU assembly) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F54-5 - A77-20 (STA) Always Below 1 ohms F54-5 or A77-20 (STA) or 2 (ST relay) or A13-12 (STA) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - ]»(ref-665539-S15061547412014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
  13. READ VALUE USING TECHSTREAM (STARTER SIGNAL) Connect the Techstream to DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary / Starter Signal. Powertrain > Engine > Data List Tester Display Starter Signal Check the value displayed on the Techstream when the engine switch is turned to the on (IG) and the engine is started. OK Condition Techstream Display (Starter Signal) Engine switch on (IG) OFF Engine started ON Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [04/2013 - ]»(ref-665554-S07394673412014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - ECM)

HINT

Inspect the fuses for circuits related to this system before performing the following procedure.

  1. INSPECT COLD START FUEL INJECTOR ASSEMBLY Inspect the cold start fuel injector assembly. Refer to «INSPECTION [04/2013 - ]»(ref-665752-S20760137372014102400000) Result Proceed to OK NG Result: 2 NG REPLACE COLD START FUEL INJECTOR ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665752-S41190021672014102400000) Result: 1 OK See step 2
  2. INSPECT ECM (STJ1 VOLTAGE) Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A77-24 (STJ1) - Body ground Engine switch on (IG) 11 to 14 V Result Proceed to OK NG Result: 1 OK REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 NG See step 3
  3. CHECK HARNESS AND CONNECTOR (COLD START FUEL INJECTOR ASSEMBLY - ECM) Disconnect the cold start fuel injector assembly connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F42-1 (STJ1) - A77-24 (STJ1) Always Below 1 ohms F42-1 (STJ1) or A77-24 (STJ1) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK REPAIR OR REPLACE HARNESS OR CONNECTOR (IG2 RELAY - COLD START FUEL INJECTOR ASSEMBLY) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

Scheme 96

Scheme 96: PROCEDURE
  1. PERFORM ACTIVE TEST USING TECHSTREAM (ACTIVATE THE VSV FOR INTAKE CONTROL) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the VSV for Intake Control. Powertrain > Engine > Active Test Tester Display Activate the VSV for Intake Control Check if operating noise can be heard when operating the intake air control valve assembly using the Techstream. OK Operating noise can be heard. Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [04/2013 - ]»(ref-665554-S07394673412014102400000) Result: 2 NG See step 2
  2. INSPECT INTAKE AIR SURGE TANK ASSEMBLY (INTAKE AIR CONTROL VALVE ASSEMBLY OPERATION) Inspect the intake air surge tank assembly (intake air control valve assembly). Refer to «ON-VEHICLE INSPECTION [04/2013 - ]»(ref-665769-S42884902642014102400000) Result Proceed to OK NG Result: 2 NG REPLACE INTAKE AIR SURGE TANK ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665769-S18378390412014102400000) Result: 1 OK See step 3
  3. CHECK TERMINAL VOLTAGE (POWER SOURCE OF INTAKE AIR CONTROL VALVE ASSEMBLY) Disconnect the intake air control valve assembly connector. *a Front view of wire harness connector (to Intake Air Control Valve Assembly) Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition F11-2 - Body ground Engine switch on (IG) 11 to 14 V Result Proceed to OK NG Result: 2 NG See step 5 Result: 1 OK See step 4
  4. CHECK HARNESS AND CONNECTOR (INTAKE AIR CONTROL VALVE ASSEMBLY - ECM) Disconnect the intake air control valve assembly connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F11-2 - A77-35 (ACIS) Always Below 1 ohms F11-2 or A77-35 (ACIS) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
  5. CHECK HARNESS AND CONNECTOR (SEMICONDUCTOR PWR INTEGRATION ECU - INTAKE AIR CONTROL VALVE ASSEMBLY) Disconnect the semiconductor pwr integration ECU connector. Disconnect the intake air control valve assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2G-2 - F11-1 Always Below 1 ohms 2G-2 or F11-1 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK GO TO ECM POWER SOURCE CIRCUIT. Refer to «ECM Power Source Circuit [04/2013 - ]»(ref-665745-S37785010232014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR

Inspection Method

Example

Drive at 10 km/h (6.25 mph), depress the accelerator pedal by 1/2 to 3/4 and keep it in that position. Under these conditions, if the engine speed decreases to 1000 rpm when the brake pedal is depressed, then the brake override system has been activated.

WARNINGWhen carrying out the inspection, use a place where you are able to carry it out safely and also pay close attention to your surroundings. Also, when driving make absolutely sure that all road traffic laws, such as speed limits, are observed.

HINT

  1. Under normal conditions, the Accelerator Position value changes in response to the Accel Sens. No. 1 Volt % value. For more information on the numerical values, refer to the Data List. Refer to «DATA LIST / ACTIVE TEST [04/2013 - ]»(ref-665554-S28506335252014102400000)
  2. If the Accelerator Position in the Data List and Accel Sens. No. 1 Volt % values diverge and the Accelerator Position value in the Data List is fixed even though Accel Sens. No. 1 Volt % is changing, check that this control is activated (use the Techstream data saving function to record data while driving the vehicle, and then confirm it after driving is completed).

Note. The brake override system restricts driving torque if the brake pedal is depressed when driving with the accelerator pedal depressed. If a customer reports experiencing loss of torque after the accelerator and brake pedals have both been intentionally depressed, explain to the customer that this is not a malfunction, and that the customer should avoid depressing both the accelerator and brake pedals at the same time. Example: While operating the accelerator pedal, the customer uses their left foot to operate the brake pedal.

  1. CHECK DTC OUTPUT Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Enter the following menus: System Select / Health Check. Check the DTCs. Result Result Proceed to DTC is not output A DTC is output B Result: 2 B GO TO DTC CHART Result: 1 A See step 2
  2. READ VALUE USING TECHSTREAM (MASTER CYLINDER SENSOR) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Enter the following menus: Chassis / ABS/VSC/TRAC / Data List / Master Cylinder Sensor. Chassis > ABS/VSC/TRAC > Data List Tester Display Master Cylinder Sensor Read the value displayed on the Techstream. Standard 0.30 to 0.90 V (Brake pedal released). Check that the brake fluid pressure value of the "Master Cylinder Sensor" observed on the Techstream changes when the brake pedal is depressed. OK When the pedal is depressed, the voltage displayed on the Techstream increases. Result Proceed to OK NG Result: 2 NG CHECK BRAKE ACTUATOR ASSEMBLY. Refer to «ON-VEHICLE INSPECTION [04/2013 - ]»(ref-665739-S42845272442014102400000) Result: 1 OK See step 3
  3. READ VALUE USING TECHSTREAM (STOP LIGHT SWITCH AND ST1) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Stop Light Switch and ST1. Powertrain > Engine > Data List Tester Display ST1 Stop Light Switch Check the Data List indication when the brake pedal is depressed and released. OK Techstream Display Condition Specified Condition Stop Light Switch Brake pedal released OFF Brake pedal depressed ON ST1 Brake pedal released OFF Brake pedal depressed ON Result Proceed to OK NG Result: 2 NG INSPECT STOP LIGHT SWITCH ASSEMBLY. Refer to «ON-VEHICLE INSPECTION [04/2013 - ]»(ref-665737-S42587226352014102400000) Result: 1 OK See step 4
  4. INSPECT BRAKE PEDAL SUPPORT ASSEMBLY Inspect and adjust the brake pedal support assembly. Refer to «ADJUSTMENT [04/2013 - ]»(ref-665700-S08170287522014102400000) HINT: If the stop light switch turns ON too late, the start of brake override system control may be delayed; if it turns ON too soon, brake override system control may begin too early, so conduct inspection of the brake pedal support assembly and stop light switch assembly. Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE BRAKE PEDAL SUPPORT ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665700-S22287271512014102400000) Result: 1 OK See step 5
  5. READ VALUE USING TECHSTREAM (ACCELERATOR PEDAL POSITION SENSOR) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / Accel Sens. No. 1 Volt % and Accel Sens. No. 2 Volt %. Powertrain > Engine > Data List Tester Display Accel Sens. No. 1 Volt % Accel Sens. No. 2 Volt % Read the value displayed on the Techstream. OK Techstream Display Condition Specified Condition Accel Sens. No. 1 Volt % Accelerator Pedal Released --> Depressed --> Released Values smoothly change following accelerator pedal operation Accel Sens. No. 2 Volt % HINT: For numerical values of Accel Sens. No. 1 Volt % and Accel Sens. No. 2 Volt %, refer to the Data List. Refer to «DATA LIST / ACTIVE TEST [04/2013 - ]»(ref-665554-S28506335252014102400000) Result Proceed to OK NG Result: 2 NG REPLACE ACCELERATOR PEDAL SENSOR ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S26309927812014102400000) Result: 1 OK See step 6
  6. READ VALUE USING TECHSTREAM (VEHICLE SPEED) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary / Vehicle Speed. Powertrain > Engine > Data List Tester Display Vehicle Speed Read the value displayed on the Techstream. Standard Techstream Display Condition Specified Condition Vehicle Speed Vehicle stopped, engine running 0 km/h (0 mph) Vehicle running at constant speed between 16.1 to 64.4 km/h (10 to 40 mph) No large fluctuations when driving at a constant speed WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: Data can be captured relatively easily by using the snapshot function in the Data List. Confirm the data after performing the drive test. Result Proceed to OK NG Result: 2 NG GO TO METER / GAUGE SYSTEM (SPEED SIGNAL CIRCUIT). Refer to «Speed Signal Circuit [04/2013 - ]»(ref-665736-S15231487792014102400000) Result: 1 OK See step 7
  7. READ VALUE USING TECHSTREAM (FR, FL, RR, RL WHEEL SPEED) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Start the engine. Enter the following menus: Chassis / ABS/VSC/TRAC / Data List / FR Wheel Speed, FL Wheel Speed, RR Wheel Speed and RL Wheel Speed. Chassis > ABS/VSC/TRAC > Data List Tester Display FR Wheel Speed FL Wheel Speed RR Wheel Speed RL Wheel Speed Read the value displayed on the Techstream. Standard Techstream Display Condition Specified Condition FR Wheel Speed FL Wheel Speed RR Wheel Speed RL Wheel Speed Vehicle stopped, engine running 0 km/h (0 mph) Vehicle running at constant speed between 16.1 to 64.4 km/h (10 to 40 mph) No large fluctuations when driving at a constant speed WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: Data can be captured relatively easily by using the snapshot function in the Data List. Confirm the data after performing the drive test. Result Proceed to OK NG Result: 1 OK END Result: 2 NG INSPECT FRONT OR REAR SPEED SENSOR

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

  1. CHECK THAT MIL IS ILLUMINATED Perform troubleshooting in accordance with the table below. Result Result Condition Proceed to ON-->OFF Engine switch on (IG) --> engine is started A MIL does not illuminate Engine switch on (IG) --> engine is started B MIL remains ON Engine switch on (IG) --> engine is started C Result: 1 A CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000) Result: 2 B GO TO VC OUTPUT CIRCUIT. Refer to «VC Output Circuit [04/2013 - ]»(ref-665745-S04277163672014102400000) Result: 3 C See step 2
  2. CHECK WHETHER DTC OUTPUT RECURS Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Powertrain > Engine > Trouble Codes Check if any DTCs have been detected. Note down any DTCs. Result Result Proceed to DTCs are not output A Any DTCs is output B HINT: Check for detected DTCs output from other ECUs which relate to the MIL. Result: 2 B REPAIR CIRCUIT INDICATED BY OUTPUT Result: 1 A See step 3
  3. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Combination Meter / Active Test / Check Engine Indicator Body Electrical > Combination Meter > Active Test Tester Display Check Engine Indicator Check the status of the MIL while performing the Active Test. Result Result Proceed to Changes A Does not change B Result: 1 A REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 B REPLACE COMBINATION METER ASSEMBLY. Refer to «REMOVAL [04/2013 - ]»(ref-665740-S00868839382014102400000)
  1. READ VALUE USING TECHSTREAM (SNOW SWITCH STATUS) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Snow Switch Status. Powertrain > Engine > Data List Tester Display Snow Switch Status Read the value displayed on the Techstream. OK Condition Techstream Display (Snow Switch Status) SNOW mode switch pushed and held ON SNOW mode switch not pushed OFF Result Proceed to OK NG Result: 1 OK CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [04/2013 - ]»(ref-665554-S41014724152014102400000) Result: 2 NG See step 2
  2. INSPECT COMBINATION SWITCH ASSEMBLY Inspect the combination switch assembly (SNOW mode switch). for 2WD models: Refer to «INSPECTION [04/2013 - ]»(ref-665750-S40631872282014102400000) for AWD models: Refer to «INSPECTION [04/2013 - ]»(ref-665725-S38802804082014102400000) Result Proceed to OK NG Result: 2 NG REPLACE COMBINATION SWITCH ASSEMBLY for 2WD models: Refer to «REMOVAL [04/2013 - ]»(ref-665750-S01539033302014102400000) for AWD models: Refer to «REMOVAL [04/2013 - ]»(ref-665725-S36336213082014102400000) Result: 1 OK See step 3
  3. CHECK HARNESS AND CONNECTOR (ECM - COMBINATION SWITCH ASSEMBLY) Disconnect the combination switch assembly connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A77-22 (SNWI) - K81-3 (SNSW) Always Below 1 ohms A77-22 (SNWI) or K81-3 (SNSW) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 4
  4. CHECK HARNESS AND CONNECTOR (COMBINATION SWITCH ASSEMBLY - BODY GROUND) Disconnect the combination switch assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition K81-16 (E) - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE ECM. Refer to «REMOVAL [04/2013 - ]»(ref-665751-S41334133092014102400000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR