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Engine Control (Sfi) System (Diagnostic Codes (P0010-P0365)): Other Lexus GS III рестайлинг

Testing & Diagnostics 17 illustrations ~3647 words

MONITOR STRATEGY

Related DTCsP0010: Intake camshaft OCV (bank 1) P0020: Intake camshaft OCV (bank 2)
Required sensors/Components (Main)Intake camshaft OCV
Required sensors/Components (Sub)
Frequency of operationContinuous
Duration1 second
MIL operationImmediately
Sequence of operationNone

TYPICAL ENABLING CONDITIONS

Monitor will run whenever these DTCs are not presentNone
All of the following conditions are met
StarterOFF
Ignition switchON
Time after ignition switch OFF to ON0.5 seconds or more

TYPICAL MALFUNCTION THRESHOLDS

One of the following conditions is metCondition A, B or C
A. All of the following conditions are metCondition a, b and c
A. Battery voltage11 V or more, and less than 13 V
B. Target duty ratioLess than 70%
C. Output signal duty ratio100% or more
B. All of the following conditions are metCondition d, e and f
D. Battery voltage13 V or more
E. Target duty ratioLess than 80%
F. Output signal duty ratio100% or more
C. Both of the following conditions are metCondition g and h
G. Current cut statusNot cut
H. Output signal duty ratio3% or less

COMPONENT OPERATING RANGE

OCV duty-cycleMore than 3%, and less than 100%

Scheme 245

Scheme 245: WIRING DIAGRAM
Related DTCsP0011: Advanced camshaft timing (bank 1) P0012: Retard camshaft timing (bank 1) P0021: Advanced camshaft timing (bank 2) P0022: Retard camshaft timing (bank 2)
Required sensors/Components (Main)VVT OCV and VVT Actuator
Required sensors/Components (Sub)Crankshaft position sensor, VVT position sensor and Engine coolant temperature sensor
Frequency of operationOnce per drive cycle
DurationWithin 10 seconds
MIL operationAdvanced camshaft timing (bank 1): Immediately Advanced camshaft timing (bank 2): Immediately Retard camshaft timing (bank 1): 2 driving cycle Retard camshaft timing (bank 2): 2 driving cycle
Sequence of operationNone
Monitor runs whenever these DTCs are not presentP0010, P0020 (OCV bank 1, 2) P0016, P0018 (VVT system bank 1, 2 - misalignment) P0100, P0102, P0103 (MAF meter) P0115, P0117, P0118 (ECT sensor) P0125 (Insufficient ECT for closed loop) P0335 (CKP sensor)
Battery voltage11 V or more
Engine rpm500 to 4000 rpm
ECT75°C (167°F) to 100°C (212°F)
All of the following conditions are met
Deviation of actual valve timing and target valve timingMore than 5°CA (Crankshaft angle)
Valve timingNo change at advanced valve timing

ADVANCED CAMSHAFT TIMING

All of the following conditions are met
Deviation of actual valve timing and target valve timingMore than 5°CA (Crankshaft angle)
Valve timingNo change at retarded valve timing

RETARD CAMSHAFT TIMING

Related DTCsP0013: Exhaust camshaft OCV (bank 1) P0023: Exhaust camshaft OCV (bank 2)
Required sensors/Components (Main)Exhaust camshaft OCV
Required sensors/Components (Sub)
Frequency of operationContinuous
Duration1 second
MIL operationImmediately
Sequence of operationNone
Monitor will run whenever these DTCs are not presentNone
All of the following conditions are met
StarterOFF
Ignition switchON
Time after ignition switch OFF to ON0.5 seconds or more
One of the following conditions is metCondition A, B or C
A. All of the following conditions are metCondition a, b and c
A. Battery voltage11 V or more, and less than 13 V
B. Target duty ratioLess than 70%
C. Output signal duty ratio100% or more
B. All of the following conditions are metCondition d, e and f
D. Battery voltage13 V or more
E. Target duty ratioLess than 80%
F. Output signal duty ratio100% or more
C. Both of the following conditions are metCondition g and h
G. Current cut statusNot cut
H. Output signal duty ratio3% or less
OCV duty-cycleMore than 3%, and less than 100%

Scheme 246

Scheme 246: WIRING DIAGRAM
Related DTCsP0014: Advanced camshaft timing (bank 1) P0015: Retarded camshaft timing (bank 1) P0024: Advanced camshaft timing (bank 2) P0025: Retarded camshaft timing (bank 2)
Required sensors/Components (Main)VVT OCV and VVT Actuator
Required sensors/Components (Related)Crankshaft position sensor, VVT position sensor and Engine coolant temperature sensor
Frequency of operationOnce per driving cycle
DurationWithin 10 seconds
MIL operationAdvanced camshaft timing (bank 1): 2 driving cycles Advanced camshaft timing (bank 2): 2 driving cycles Retarded camshaft timing (bank 1): Immediately Retarded camshaft timing (bank 2): Immediately
Sequence of operationNone
Monitor runs whenever these DTCs are not presentP0013, P0023 (Exhaust OCV bank 1, 2) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0100, P0102, P0103 (MAF meter) P0115, P0117, P0118 (ECT sensor) P0125 (Insufficient ECT for closed loop) P0335 (CKP sensor)
Battery voltage11 V or more
Engine rpm500 to 4000 rpm
Engine coolant temperature75 to 100°C (167 to 212°F)
Valve timingNo change
Valve timingAdvanced position

ADVANCED CAMSHAFT TIMING

Valve timingNo change
Valve timingRetarded position

RETARDED CAMSHAFT TIMING

Related DTCsP0016: Camshaft timing misalignment at idle (intake camshaft [bank 1]) P0018: Camshaft timing misalignment at idle (intake camshaft [bank 2])
Required sensors/Components (Main)VVT actuator
Required sensors/Components (Sub)VVT sensor, Crankshaft position sensor
Frequency of operationOnce per drive cycle
DurationWithin 1 minute
MIL operation2 driving cycles
Sequence of operationNone
Monitor runs whenever these DTCs are not presentP0010, P0020 (OCV bank 1, 2) P0100, P0102, P0103 (MAF meter ) P0115, P0117, P0118 (ECT sensor) P0125 (Insufficient ECT for closed loop) P0335 (CKP sensor)
Engine rpm500 to 1300 rpm
One of the following conditions is met
VVT learning value at maximum retarded valve timing (Bank 1)Less than 22.6°CA (Crankshaft angle)
VVT learning value at maximum retarded valve timing (Bank 2)Less than 22.6°CA (Crankshaft angle)
VVT learning value at maximum retarded valve timing (Bank 1)More than 45.9°CA (Crankshaft angle)
VVT learning value at maximum retarded valve timing (Bank 2)More than 45.9°CA (Crankshaft angle)

PROCEDURE

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0016 OR P0018) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Result Display (DTC Output) Proceed to P0016 or P0018 A P0016 or P0018 and other DTCs B HINT: If any DTCs other than P0016 or P0018 are output, troubleshoot those DTCs first. B --> See step 10 A: Go to next step
  2. PERFORM ACTIVE TEST USING TECHSTREAM (OPERATE OCV) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Warm up the engine. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT System (Bank 1) or Control the VVT System (Bank 2). Check the engine speed while operating the Oil Control Valve (OCV) using the Techstream. OK Tester Operation Specified Condition OCV OFF Normal engine speed OCV ON Engine idles roughly or stalls (soon after OCV switched from OFF to ON) NG --> See step 4 OK: Go to next step
  3. CHECK WHETHER DTC OUTPUT RECURS (DTC P0016 OR P0018) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-387083-S04846376252011022400000) . Warm up the engine. Switch the ECM from normal mode to check mode using the Techstream. Refer to «CHECK MODE PROCEDURE»(ref-387083-S01377880472011022400000) . Drive the vehicle for more than 10 minutes. Read DTCs using the Techstream. OK No DTC output. NG --> See step 4 OK --> END
  4. CHECK VALVE TIMING (CHECK FOR LOOSE AND JUMPED TEETH ON TIMING CHAIN) Remove the cylinder head covers RH and LH. Turn the crankshaft pulley, and align its groove with the timing mark "0" of the timing chain covers. Check that the timing marks of the camshaft timing gears are aligned with the timing marks of the bearing cap as shown in the illustration. If not, turn the crankshaft 1 revolution (360°), then align the marks as above. OK Timing marks on camshaft timing gears are aligned as shown in the illustration. Reinstall the cylinder head covers. NG --> ADJUST VALVE TIMING OK: Go to next step
  5. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (OCV FOR INTAKE CAMSHAFT) Remove the OCV. Measure the resistance between the terminals of the OCV. Standard resistance 6.9 to 7.9 ohms at 20°C (68°F) Apply positive battery voltage to terminal 1 and negative battery voltage to terminal 2. Check the valve operation. OK Valve moves quickly. Reinstall the OCV. NG --> REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY OK: Go to next step
  6. INSPECT OIL CONTROL VALVE FILTER AND PIPE Remove the No. 1 or No. 2 oil pipe. Remove the oil control valve filter. Check that the filter and pipe are not clogged. OK The filter and pipe are not clogged. NG --> OIL CONTROL VALVE FILTER AND PIPE OK: Go to next step
  7. REPLACE CAMSHAFT TIMING GEAR ASSEMBLY NEXT: Go to next step
  8. CHECK WHETHER DTC OUTPUT RECURS Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-387083-S04846376252011022400000) . Warm up the engine. Switch the ECM from normal mode to the check mode using the Techstream. Refer to «CHECK MODE PROCEDURE»(ref-387083-S01377880472011022400000) . Driver the vehicle for more than 10 minutes. Read output DTCs using the Techstream. OK No DTC output. HINT: DTC P0016 or P0018 is output when foreign objects in engine oil are caught in some parts of the system. These codes will stay registered even if the system returns to normal after a short time. These foreign objects are then captured by the oil filter, thus eliminating the source of the problem. OK --> SYSTEM IS OK NG --> See step 9
  9. REPLACE ECM. Refer to «REMOVAL»(ref-387086-S06388950852011022400000)
  10. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387083-S04418315412011022400000)
Related DTCsP0017: Camshaft timing misalignment at idle (exhaust camshaft [bank 1]) P0019: Camshaft timing misalignment at idle (exhaust camshaft [bank 2])
Required sensors/Components (Main)VVT actuator
Required sensors/Components (Sub)VVT sensor, Crankshaft position sensor
Frequency of operationOnce per drive cycle
DurationWithin 1 minute
MIL operation2 driving cycles
Sequence of operationNone
Monitor runs whenever these DTCs are not presentP0013, P0023 (Exhaust OCV bank 1, 2) P0100, P0102, P0103 (MAF meter) P0115, P0117, P0118 (ECT sensor) P0125 (Insufficient ECT for closed loop) P0335 (CKP sensor)
Engine speed500 to 1300 rpm
One of the following conditions is met
VVT learning value at maximum advanced valve timing (Bank 1)Less than 81.1°CA
VVT learning value at maximum advanced valve timing (Bank 2)Less than 81.1°CA
VVT learning value at maximum advanced valve timing (Bank 1)More than 104.3°CA
VVT learning value at maximum advanced valve timing (Bank 2)More than 104.3°CA
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0017 OR P0019) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Result Display (DTC output) Proceed to P0017 or P0019 A P0017 or P0019 and other DTCs B HINT: If any DTCs other than P0017 or P0019 are output, troubleshoot those DTCs first. B --> GO TO DTC CHART A: Go to next step
  2. PERFORM ACTIVE TEST USING TECHSTREAM (OPERATE OCV) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Warm up the engine. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT System (Bank 1) or Control the VVT System (Bank 2). Check the engine speed while operating the Oil Control Valve (OCV) using the Techstream. OK Tester Operation Specified Condition OCV OFF Normal engine speed OCV ON Engine idles roughly or stalls (soon after OCV switched from OFF to ON) NG --> See step 4 OK: Go to next step
  3. CHECK WHETHER DTC OUTPUT RECURS (DTC P0017 OR P0019) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-387083-S04846376252011022400000) . Warm up the engine. Switch the ECM from normal mode to check mode using the Techstream. Refer to «CHECK MODE PROCEDURE»(ref-387083-S01377880472011022400000) . Drive the vehicle for more than 10 minutes. Read DTCs using the Techstream. OK No DTC output. NG --> See step 4 OK --> END
  4. CHECK VALVE TIMING (CHECK FOR LOOSE AND JUMPED TEETH ON TIMING CHAIN) Remove the cylinder head covers RH and LH. Turn the crankshaft pulley, and align its groove with the timing mark "0" of the timing chain covers. Check that the timing marks of the camshaft timing gears are aligned with the timing marks of the bearing cap as shown in the illustration. If not, turn the crankshaft 1 revolution (360°), then align the marks as above. OK Timing marks on crankshaft timing gears are aligned as shown in the illustration. Reinstall the cylinder head covers. NG --> ADJUST VALVE TIMING OK: Go to next step
  5. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY Remove the OCV. Measure the resistance between the terminals of the OCV. Standard resistance 6.9 to 7.9 ohms at 20°C (68°F) Apply the positive battery voltage to terminal 1 and negative battery voltage to terminal 2. Check the valve operation. OK Valve moves quickly. Reinstall the OCV. NG --> REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY OK: Go to next step
  6. INSPECT OIL CONTROL VALVE FILTER AND PIPE Remove the No. 1 or No. 2 oil pipe. Remove the oil control valve filter. Check that the filter and pipe are not clogged. OK Filter is not clogged. NG --> REPLACE OIL CONTROL VALVE AND PIPE OK: Go to next step
  7. REPLACE CAMSHAFT NEXT: Go to next step
  8. CHECK WHETHER DTC OUTPUT RECURS Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-387083-S04846376252011022400000) . Warm up the engine. Switch the ECM from normal mode to check mode using the Techstream. Refer to «CHECK MODE PROCEDURE»(ref-387083-S01377880472011022400000) . Drive the vehicle for more than 10 minutes or more. Read output DTCs using the Techstream. OK No DTC output. HINT: DTC P0017 or P0019 is output when foreign objects in engine oil are caught in some parts of the system. These codes will stay registered even if the system returns to normal after a short time. These foreign objects are then captured by the oil, thus eliminating the source of the problem. OK --> SYSTEM IS OK NG --> REPLACE ECM
Related DTCsP0031: A/F sensor heater (bank 1) open/short (Low electrical current) P0032: A/F sensor heater (bank 1) open/short (High electrical current) P0051: A/F sensor heater (bank 2) open/short (Low electrical current) P0052: A/F sensor heater (bank 2) open/short (High electrical current)
Required sensors/Components (Main)A/F sensor heater (bank 1 and 2)
Required sensors/Components (Sub)
Frequency of operationContinuous
Duration10 seconds
MIL operationImmediately
Sequence of operationNone
Monitor runs whenever these DTCs are not presentNone

ALL

Battery voltage10.5 V or more
Heater output duty50% or more
Time after engine start10 seconds or more

P0031 AND P0051

Time after engine start10 seconds or more

P0032 AND P0052

A/F sensor heater currentLess than 0.8 A

P0031 AND P0051

Hybrid IC high current limiter portFail

P0032 AND P0052

A/F sensor heater current1.8 to 3.4 A at 20°C (68°F)

P0031 AND P0051

Related DTCsP0037: Heated oxygen sensor heater (bank 1 sensor 2) open/short (Low electrical current) P0038: Heated oxygen sensor heater (bank 1 sensor 2) open/short (High electrical current) P0057: Heated oxygen sensor heater (bank 2 sensor 2) open/short (Low electrical current) P0058: Heated oxygen sensor heater (bank 2 sensor 2) open/short (High electrical current) P0141: Heated oxygen sensor heater performance (bank 1 sensor 2) P0161: Heated oxygen sensor heater performance (bank 2 sensor 2)
Required sensors/Components (Main)Heated oxygen sensor heater (bank 1 sensor 2) Heated oxygen sensor heater (bank 2 sensor 2)
Required sensors/Components (Sub)Vehicle speed sensor
Frequency of operationContinuous: P0037, P0038: P0057 and P0058 Once per driving cycle: P0141 and P0161
Duration1 second: P0037, P0038, P0057 and P0058 10 seconds: P0141 and P0161
MIL operationImmediately: P0037, P0038, P0057 and P0058 2 driving cycles: P0141 and P0161
Sequence of operationNone
Monitor runs whenever these DTCs are not presentNone

ALL

Battery voltage10.5 V or more, and less than 20 V

P0037 AND P0057

Battery voltage10.5 V or more
EngineRunning
StarterOFF

P0038 AND P0058 (CASE 1)

Battery voltage10.5 V or more, and less than 20 V

P0038 AND P0058 (CASE 2)

One of the following conditions is metCondition A or B
A. All of the following conditions are metCondition 1, 2, 3, 4 and 5
1. Battery voltage10.5 V or more
2. Fuel cutOFF
3. Time after fuel cut ON to OFF30 seconds or more
4. Accumulated heater ON time100 seconds or more
5. Learned heater OFF current operationCompleted
B. Duration that rear heated oxygen sensor impedance is less than 15 kohms2 seconds or more

P0141 AND P0161

Heater currentLess than 0.3 A

P0037 AND P0057

One of the following conditions is metCondition A or B
A. Learned heater OFF currentMore than 2 A
B. Heater current2 A or more

P0038 AND P0058

Accumulated heater resistanceVaries with sensor element temperature (Example: More than 23 ohms)

P0141 AND P0161 (HEATER PERFORMANCE MONITOR CHECK)

Heated Oxygen (HO2) sensor heater current0.4 to 1 A (when engine idles, HO2 sensor warmed up and battery voltage 11 to 14 V)

CONFIRMATION DRIVING PATTERN

These DTCs are detected when the engine idles for 110 seconds or more.

Related DTCsP0087: Fuel pressure sensor too low
Required sensors/Components (Main)Fuel pressure sensor
Required sensors/Components (Sub)
Frequency of operationContinuous
DurationAbout 10 seconds
MIL operationImmediately
Sequence of operationNone
Monitor runs whenever these DTCs are not presentNone
Time after engine start10 seconds or more
Time after fuel cut finished3 seconds or more
Target fuel pressureSmall change
Either of the following conditions A or B is met
Both of the following conditions are met while engine is not idling
1. Difference in fuel pressure between actual and targetLess than -5 MPa (-51.0 kgf/cm 2 , -725 psi)
2. Actual discharge rate of high pressure fuel pump255 mm 3 /st or more

Scheme 247

Scheme 247: WIRING DIAGRAM
Related DTCsP0088: Fuel pressure sensor too high
Required sensors/Components (Main)Fuel pressure sensor
Required sensors/Components (Sub)
Frequency of operationContinuous
DurationAbout 10 seconds
MIL operationImmediate: System monitor 2 driving cycles: Closed stuck
Sequence of operationNone
Monitor runs whenever these DTCs are not presentNone

ALL

Time after engine start10 seconds or more
Time after fuel cut finished3 seconds or more
Target fuel pressureSmall change

SYSTEM MONITOR

Fuel relief valveActivation
Injector driver malfunctionNot detected
Fuel pressure sensor malfunctionNot detected
High pressure fuel pump malfunctionNot detected
Fuel pressure before opening valve3 MPa (30.59 kg/cm 2 , 435 psi) or more
Maintenance modeWithout
Fuel relief valve during current driving cycleNot monitoring

CLOSED STUCK

1. Difference in fuel pressure between actual and target3 MPa (30.6 kgf/cm 2 , 435 psi) or more
2. Actual discharge rate of high pressure fuel pumpLess than 0 mm 3 /st

SYSTEM MONITOR

When the following condition is met5 times
Difference of fuel pressure when valve close and openLess than 1.5 MPa (15.30 kgf/cm 2 , 218 psi)

CLOSE STUCK

Related DTCsP0100: MAF meter range check (Chattering) P0102: MAF meter range check (Low voltage) P0103: MAF meter range check (High voltage)
Required Sensors/Components (Main)MAF meter
Required Sensors/Components (Related)Crankshaft position sensor
Frequency of OperationContinuous
Duration3 seconds
MIL OperationImmediately: Engine RPM less than 4000 rpm 2 driving cycles: Engine RPM 4000 rpm or more
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
MAF meter voltageLess than 0.2 V, or more than 4.9 V

P0100

MAF meter voltageLess than 0.2 V

P0102

MAF meter voltageMore than 4.9 V

P0103

MAF meter voltageBetween 0.2 V and 4.9 V

Scheme 248

Scheme 248: WIRING DIAGRAM
Related DTCsP0101: Mass air flow meter rationality
Required Sensors/Components (Main)Mass air flow meter
Required Sensors/Components (Related)Crankshaft position sensor, engine coolant temperature sensor and throttle position sensor
Frequency of OperationContinuous
Duration10 seconds
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever following DTCs are not presentNone
Throttle position (TP sensor voltage)0.2 to 2 V
EngineRunning
Battery voltage10.5 V or more
Engine coolant temperature70°C (158°F) or more
IAT sensor circuit (P0110, P0112, P0113)OK
ECT sensor circuit (P0115, P0117, P0118)OK
CKP sensor circuit (P0335)OK
TP sensor circuit (P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135)OK
EVAP system pressure sensor circuit (P0450, P0452, P0453)OK
EVAP leak detection pump (P2401, P2402)OK
EVAP vent valve (P2419, P2420)OK
Averaged engine loadLess than 0.85%, or more than 1.214%
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0101) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Result Display (DTC Output) Proceed to P0101 and other DTCs A P0101 B HINT: If any DTCs other than P0101 are output, troubleshoot those DTCs first. B --> REPLACE MASS AIR FLOW METER A --> GO TO DTC CHART

Scheme 249

Scheme 249: DESCRIPTION
  1. The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF) meter, monitors the IAT. The IAT sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the IAT is low, the resistance of the thermistor increases. When the temperature is high, the resistance drops. These variations in resistance are transmitted to the ECM as voltage changes (Scheme 249)
  2. The IAT sensor is powered by a 5 V supply from the THA terminal of the ECM, via resistor R.
  3. Resistor R and the IAT sensor are connected in series. When the resistance value of the IAT sensor changes, according to changes in the IAT, the voltage at terminal THA also varies. Based on this signal, the ECM increases the fuel injection volume when the engine is cold to improve driveability. HINT: When any of DTCs P0110, P0112 and P0113 are set, the ECM enters fail-safe mode. During fail-safe mode, the IAT is estimated to be 20°C (68°F) by the ECM. Fail-safe mode continues until a pass condition is detected.
DTC No.DTC Detection ConditionTrouble Area
P0110Open or short in IAT sensor circuit for 0.5 seconds (1 trip detection logic)Open or short in Intake Air Temperature (IAT) sensor circuit IAT sensor (built into MAF meter) ECM
P0112Short in IAT sensor circuit for 0.5 seconds (1 trip detection logic)Short in IAT sensor circuit IAT sensor (built into MAF meter) ECM
P0113Open in IAT sensor circuit for 0.5 seconds (1 trip detection logic)Open in IAT sensor circuit IAT sensor (built into MAF meter) ECM

HINT

When any of these DTCs are set, check the IAT by entering the following menus on the Techstream: Powertrain / Engine and ECT / Data List / Intake Air.

Temperature DisplayedMalfunction
40°C (-40°F)Open circuit
140°C (284°F) or higherShort circuit
Related DTCsP0110: IAT sensor range check (Chattering) P0112: IAT sensor range check (Low voltage) P0113: IAT sensor range check (High voltage)
Required Sensors/Components (Main)IAT sensor
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration0.5 seconds
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever following DTCs are not presentNone
IAT sensor voltageLess than 0.18 V, or more than 4.91 V

P0110

IAT sensor voltageLess than 0.18 V

P0112

IAT sensor voltageMore than 4.91 V

P0113

IAT sensor voltage0.18 to 4.91 V

Scheme 250

Scheme 250: WIRING DIAGRAM
Related DTCsP0111: Intake air temperature sensor rationality (After engine stop) P0111: Intake air temperature sensor rationality (After cold engine start)
Required Sensors/Components (Main)Intake Air Temperature (IAT) sensor
Required Sensors/Components (Sub)Engine Coolant Temperature sensor and Mass Air Flow meter
Frequency of OperationOnce per driving cycle
Duration10 seconds or more
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Battery voltage10.5 V or more

ALL

Time after engine start10 seconds or more
ECT sensor (P0115, P0117, P0118)OK
Accumulated MAF amount before engine stop3140 g or more
Key-off duration30 minutes

AFTER ENGINE STOP

Key-off duration5 hours or more
Time after engine start10 seconds or more
ECT sensor (P0115, P0117, P0118)OK
ECT70°C (158°F) or more
Accumulated MAF amount3140 g or more
One of the following conditions 1 or 2 is met
1. Duration while engine load is low120 seconds or more
2. Duration while engine load is high10 seconds or more

AFTER COLD ENGINE START

IAT changeLess than 1°C (2°F)

AFTER ENGINE STOP

IAT changeLess than 1°C (2°F)

AFTER COLD ENGINE START

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0111) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Result Display (DTC Output) Proceed to P0111 and other DTCs A P0111 B HINT: If any DTCs other than P0111 are output, troubleshoot those DTCs first. B --> REPLACE MASS AIR FLOW METER A --> GO TO DTC CHART
Related DTCsP0115: ECT sensor range check (Chattering) P0117: ECT sensor range check (Low voltage) P0118: ECT sensor range check (High voltage)
Required Sensors/Components (Main)ECT sensor
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration0.5 seconds
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
ECT sensor voltageLess than 0.14 V, or more than 4.91 V

P0115

ECT sensor voltageLess than 0.14 V

P0117

ECT sensor voltageMore than 4.91 V

P0118

ECT sensor voltage0.14 to 4.91 V

Scheme 251

Scheme 251: WIRING DIAGRAM
Related DTCsP0116: Engine coolant temperature sensor output stuck at low engine coolant temperature P0116: Engine coolant temperature sensor output stuck at high engine coolant temperature
Required Sensors/Components (Main)Engine coolant temperature (ECT) sensor
Required Sensors/Components (Related)Crankshaft position sensor, intake air temperature sensor and mass air flow meter
Frequency of OperationOnce per driving cycle
Duration250 seconds
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Battery voltage10.5 V or more
Time after engine start1 second or more
ECT at engine startLess than 60°C (140°F)
IAT sensor circuit (P0110, P0112, P0113)OK
Soak time0 seconds or more
Accumulated MAF1032 g or more
Fuel cutOFF
Difference between ECT at engine start and IATLess than 40°C (104°F)

ECT SENSOR COLD START MONITOR

Monitor runs whenever these DTCs are not presentNone
Battery voltage10.5 V or more
EngineRunning
IAT sensor circuit (P0110, P0112, P0113)OK
Soak time5 hours or more
ECT at engine start60°C (140°F) or more
Accumulated MAF2105 g or more

ECT SENSOR SOAK MONITOR

ECT sensor value changeLess than 5°C (41°F)

ECT SENSOR COLD START MONITOR

Difference between current ECT sensor value and previous ECT sensor value when engine stoppedLess than 5°C (41°F)

ECT SENSOR SOAK MONITOR

Engine coolant temperatureVaries with actual engine coolant temperature
  1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0116) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTC. Result Display (DTC output) Proceed to P0116 A P0116 and other DTCs B B --> GO TO DTC CHART A: Go to next step
  2. INSPECT THERMOSTAT Remove the thermostat. Refer to «REMOVAL»(ref-387077-S06326123902011022400000) . Check the valve opening temperature of the thermostat. Standard 80 to 84°C (176 to 183°F) HINT: In addition to the above check, confirm that the valve is completely closed when the temperature is below the standard. Reinstall the thermostat. Refer to «INSTALLATION»(ref-387077-S18528046452011022400000) . NG --> REPLACE THERMOSTAT OK --> REPLACE ENGINE COOLANT TEMPERATURE SENSOR
Related DTCsP011B: Engine Coolant Temperature (ECT) / Intake Air Temperature (IAT) sensor correlation
Required Sensors / Components (Main)ECT / IAT sensor
Required Sensors / Components (Related)
Frequency of OperationOnce per driving cycle
Duration7 hours or more
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Both of following conditions are metConditions A and b
A. All of following conditions are metConditions a, b, c and d
A. After power switch on (IG) and engine not running timeLess than 20 seconds
B. Soak Time7 hours or more
C. Battery voltage10.5 V or more
D. Time after engine start22 seconds or more
2. Either of the following conditions is metCondition e or f
E. Minimum IAT after engine start10°C (14°F) or more
F. ECT before engine start10°C (14°F) or more
Deviated ECT and IATLess than -20°C (-36°F) or more than 20°C (36°F)
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO P011B) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Select the following menu items: Powertrain / Engine / Trouble Codes. Read DTCs. Result Result Proceed to P011B A P011B and other DTCs B HINT: If any DTCs other than P011B are output, troubleshoot those DTCs first. B --> See step 4 A: Go to next step
  2. READ VALUE USING TECHSTREAM (INTAKE AIR TEMPERATURE) Leave the vehicle for 7 hours or more. HINT: It is necessary leave the vehicle for 7 hours or more to allow conditions similar to the DTC detection conditions. Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Select the following menu items: Powertrain / Engine / All Data / Intake Air. Read the value displayed on the tester. OK Difference between the intake air temperature and the actual outside air temperature is within 10°C (18°F). HINT: Temperature readings on the vehicle's outside temperature gauge (if equipped) are not suitable for comparing to the intake air temperature reading. The outside temperature gauge has a significant delay built in to prevent temperature swings from being displayed on its display. Use an accurate thermometer to determine the outside air temperature. NG --> See step 5 OK: Go to next step
  3. READ VALUE USING TECHSTREAM (COOLANT TEMPERATURE) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Select the following menu items: Powertrain / Engine / All Data / Coolant Temp. Read the value displayed on the tester. OK The difference between the coolant temperature and the actual outside air temperature is within 10°C (18°F). HINT: If the result is not as specified, check that there are heat sources such as a block heater in the engine compartment. NG --> See step 7 OK --> See step 6
  4. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387083-S04418315412011022400000)
  5. REPLACE MASS AIR FLOW METER. Refer to «REMOVAL»(ref-387086-S18043175332011022400000)
  6. REPLACE ECM. Refer to «REMOVAL»(ref-387086-S06388950852011022400000)
  7. REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to «REMOVAL»(ref-387086-S28401423592011022400000)
Related DTCsP0120: Throttle position sensor 1 range check (Chattering) P0122: Throttle position sensor 1 range check (Low voltage) P0123: Throttle position sensor 1 range check (High voltage) P0220: Throttle position sensor 2 range check (Chattering) P0222: Throttle position sensor 2 range check (Low voltage) P0223: Throttle position sensor 2 range check (High voltage) P2135: Throttle position sensor range check (Correlation)
Required Sensors/Components (Main)Throttle position sensor
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration2 seconds: P0120, P0122, P0123, P0220, P0222 and P0223 0.5 seconds: P2135 Case 1 0.4 seconds: P2135 Case 2
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Either of the following condition A or B met
A. Power switch ON (IG)0.012 seconds or more
B. Electronic throttle actuator powerON
VTA1 voltage0.2 V or less, or 4.535 V or more

P0120

VTA1 voltage0.2 V or less

P0122

VTA1 voltage4.535 V or more

P0123

Either of the following conditions is met(a) or (b)
(a) VTA2 voltage1.75 V or less
(b) VTA2 voltage when VTA1 0.2 to 2.02 V4.8 V or more

P0220

VTA2 voltage1.75 V or less

P0222

VTA2 voltage when VTA1 0.2 V or more, and 2.02 V or less4.8 V or more

P0223

Difference between VTA1 and VTA2 voltages0.02 V or less

P2135 CASE 1

VTA1 voltage0.2 V or less
VTA2 voltage1.75 V or less

P2135 CASE 2

VTA1 voltageMore than 0.2 V, and less than 4.535 V
VTA2 voltageMore than 1.75 V, and less than 4.8 V

FAIL-SAFE

When any of these DTCs, as well as other DTCs relating to ETCS (Electronic Throttle Control System) malfunctions, are set, 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 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 opening 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 power switch is then turned off.

Scheme 252

Scheme 252: WIRING DIAGRAM
Related DTCsP0121: TP sensor rationality
Required Sensors/Components (Main)TP sensor
Required Sensors/Components (Sub)
Frequency of OperationContinuous
DurationWithin 2 seconds
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Either of the following conditions A or B is met
A. Power switchON (IG)
B. Electric throttle motor powerON
TP sensor malfunction (P0120, P0122, P0123, P0220, P0222, P0223, P2135)Not detected
Difference in voltage between VAT1 and VTA2 TP sensor 1 - [TP sensor 2 x 0.8 (corrected by learning value)]Less than 0.8 V, or more than 1.6 V

When this DTC, as well as other DTCs relating to ETCS (Electronic Throttle Control System) malfunctions, is set, 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 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 opening 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 power switch is then turned OFF.

  1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0121) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTC. Result Display (DTC output) Proceed to P0121 A P0121 and other DTCs B B --> GO TO DTC CHART A --> REPLACE THROTTLE BODY
Related DTCsP0125: Insufficient engine coolant temperature for closed-loop fuel control
Required Sensors/Components (Main)Thermostat, cooling system
Required Sensors/Components (Related)Engine coolant temperature sensor and mass air flow meter
Frequency of OperationOnce per driving cycle
Duration78 seconds: Engine coolant temperature at engine start -8.33°C (17°F) or more 158 seconds: Engine coolant temperature at engine start -19.44 to -8.33°C (-3 to 17°F) 1200 seconds: Engine coolant temperature at engine start less than -19.44°C (-3°F)
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
MAF sensor circuit fail (P0100, P0101, P0102, P0103)Not detected
IAT sensor circuit fail (P0110, P0112, P0113)Not detected
ECT sensor circuit fail ((P0115, P0117, P0118)Not detected
Thermostat fail (P0128)Not detected
Time until actual engine coolant temperature reaches closed-loop fuel control enabling temperature78 seconds or more: Engine coolant temperature at engine start -8.33°C (17°F) or more 158 seconds or more: Engine coolant temperature at engine start -19.44 to -8.33°C (-3 to 17°F) 1200 seconds or more: Engine coolant temperature at engine start less than -19.44°C (-3°F)
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0125) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Result Display (DTC Output) Proceed to P0125 A P0125 and other DTCs B HINT: If any DTCs other than P0125 are output, troubleshoot those DTCs first. B --> GO TO DTC CHART A: Go to next step
  2. INSPECT THERMOSTAT Remove the thermostat. Refer to «REMOVAL»(ref-387077-S06326123902011022400000) . Check the valve opening temperature of the thermostat. Standard 80 to 84°C (176 to 183°F) HINT: In addition to the above check, confirm that the valve is completely closed when the temperature is below the standard. Reinstall the thermostat. Refer to «INSTALLATION»(ref-387077-S18528046452011022400000) . NG --> REPLACE THERMOSTAT OK: Go to next step
  3. CHECK COOLING SYSTEM Check for defects in the cooling system that might cause the system to be too cold, such as abnormal radiator fan operation or any modifications. NG --> REPAIR OR REPLACE COOLING SYSTEM OK --> REPLACE ENGINE COOLANT TEMPERATURE SENSOR
Related DTCsP0128: Coolant Thermostat
Required Sensors/Components (Main)Thermostat
Required Sensors/Components (Sub)Engine Coolant Temperature (ECT) sensor, Intake Air Temperature (IAT) sensor, Vehicle speed sensor
Frequency of OperationOnce per driving cycle
Duration900 seconds
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever these DTC are not presentP0010, P0020 (OCV bank 1, 2) P0011, P0021 (VVT system bank 1, 2 - advance) P0012, P0022 (VVT system bank 1, 2 - retard) P0013, P0023 (Exhaust OCV 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 (A/F sensor heater) P0100, P0102, P0103 (MAF meter) P0110, P0112, P0113 (IAT sensor) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (CKP 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) P2195, P2196, P2197, P2198 (A/F sensor - rationality) P2237, P2240 (A/F sensor - open) P2238, P2241, P2252, P2255 (A/F sensor - low impedance) P2239, P2242, P2253, P2256 (A/F sensor - high impedance) P2A00, P2A03 (A/F sensor - slow response)
Battery voltage11 V or more
Either of the following conditions 1 or 2 is met
1. All of the following conditions are met
ECT at engine start - IAT at engine start15 to 7°C (5 to 45°F)
ECT at engine start10 to 56°C (14 to 133°F)
IAT at engine start10 to 56°C (14 to 133°F)
2. All of the following conditions are met
ECT at engine start - IAT at engine startMore than 7°C (45°F)
ECT at engine start56°C (133°F) or less
IAT at engine start10°C (14°F) or more
Accumulated time with 80 mph (128 km/h) or more of vehicle speedLess than 20 seconds
Duration that both following conditions 1 and 2 are met5 seconds or more
1. Simulated ECT75°C (167°F) or more
2. ECT sensor outputLess than 75°C (167°F)
  1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0128) Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) . Connect the Techstream to the DLC3. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTC. Result Display (DTC Output) Proceed to P0128 A P0128 and other DTCs B HINT: If any DTC other than P0128 are output, troubleshoot those DTCs first. B --> GO TO DTC CHART A: Go to next step
  2. CHECK COOLING SYSTEM Check for defects in the cooling system that might cause the system to be too cold, such as abnormal radiator fan operation or any modifications. NG --> REPAIR OR REPLACE COOLING SYSTEM OK: Go to next step
  3. INSPECT THERMOSTAT Remove the thermostat. Refer to «REMOVAL»(ref-387077-S06326123902011022400000) . Check the valve opening temperature of the thermostat. Standard 80 to 84°C (176 to 183°F) HINT: In addition to the above check, confirm that the valve is completely closed when the temperature is below the standard. Reinstall the thermostat. Refer to «INSTALLATION»(ref-387077-S18528046452011022400000) . NG --> REPLACE THERMOSTAT OK --> REPLACE ECM
Related DTCsP0136: Heated oxygen sensor output voltage (Output voltage) (bank 1) P0136: Heated oxygen sensor impedance (Low impedance) (bank 1) P0137: Heated oxygen sensor output voltage (Low voltage) (bank 1) P0137: Heated oxygen sensor impedance (High impedance) (bank 1) P0138: Heated oxygen sensor output voltage (High voltage) (bank 1) P0138: Heated oxygen sensor output voltage (Extremely high) (bank 1) P0139: Heated oxygen sensor output voltage during fuel cut (bank 1) P0156: Heated oxygen sensor output voltage (Output voltage) (bank 2) P0156: Heated oxygen sensor impedance (Low impedance) (bank 2) P0157: Heated oxygen sensor output voltage (Low voltage) (bank 2) P0157: Heated oxygen sensor impedance (High impedance) (bank 2) P0158: Heated oxygen sensor output voltage (High voltage) (bank 2) P0158: Heated oxygen sensor output voltage (Extremely high) (bank 2) P0159: Heated oxygen sensor output voltage during fuel cut (bank 2)
Required Sensors/Components (Main)HO2S
Required Sensors/Components (Sub)Crankshaft position sensor, Engine coolant temperature sensor, Mass air flow meter, Throttle position sensor
Frequency of OperationOnce per driving cycle: Active air fuel ratio control detection, Heated oxygen sensor abnormal voltage during fuel cut Continuous: Other
Duration20 seconds: HO2S voltage (P0136, P0156), HO2S low voltage (P0137, P0157), HO2S high voltage (P0138, P0158) 30 seconds: HO2S low impedance (P0136, P0156) 90 seconds: HO2S high impedance (P0137, P0157) 10 seconds: HO2S high voltage (Extremely high) (P0138, P0158) 6 seconds: HO2S output voltage during fuel cut (P0139, P0159)
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentP0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052 (A/F sensor heater) P0037, P0038, P0057, P0058 (HO2 sensor heater) P0100, P0102, P0103 (MAF meter) P0110, P0112, P0113 (IAT sensor) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P0128 (Thermostat) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (CKP sensor) P1452, P1453 (EVAP system) P2195, P2196, P2197, P2198 (A/F sensor - rationality) P2237, P2240 (A/F sensor - open) P2238, P2241, P2252, P2255 (A/F sensor - low impedance) P2239, P2242, P2253, P2256 (A/F sensor - high impedance) P2A00, P2A03 (A/F sensor - slow response)

ALL

Active A/F controlPerforming
Active A/F control is performed when the following conditions are met
Battery voltage11 V or more
ECT75 °C (167°F) or more
IdleON
Engine rpmLess than 3200 rpm
A/F sensor statusActivated
Fuel system statusClosed loop
Fuel-cutOFF
Engine load5 to 80%

HO2S VOLTAGE (P0136, P0156), HO2S LOW VOLTAGE (P0137, P0157), HO2S HIGH VOLTAGE (P0138, P0158)

Battery voltage11 V or more
Estimated rear HO2S temperatureLess than 700°C (1292°F)
ECM monitorCompleted
P0606Not set

HO2S LOW IMPEDANCE (P0136, P0156)

Battery voltage11 V or more
Estimated rear HO2S temperature450 to 750°C (842 to 1382°F)
P0606Not set

HO2S HIGH IMPEDANCE (P0137, P0157)

Battery voltage11 V or more
Time after engine start2 seconds or more

HO2S HIGH VOLTAGE (EXTREMELY HIGH) (P0138, P0158)

Engine coolant temperature70°C (158°F) or more
Estimated catalyst temperature530°C (986°F) or more
Fuel-cutON

HO2S VOLTAGE (DURING FUEL CUT) (P0139, P0159)

Either of the following conditions 1 or 2 is met
1. All of the following conditions (a), (b) and (c) are met
(a) Commanded air-fuel ratio14.3 or less
(b) Rear HO2S voltage0.21 to 0.59 V
(c) OSC (Oxygen capacity of catalyst)2.1 g or more
2. All of the following conditions (d), (e) and (f) are met
(d) Commanded air-fuel ratio14.9 or more
(e) Rear HO2S voltage0.21 to 0.59 V
(f) OSC (Oxygen capacity of catalyst)2.1 g or more

HO2S VOLTAGE (P0136, P0156)

Duration of following condition30 seconds or more
Rear HO2S impedanceLess than 5 ohms

HO2S LOW IMPEDANCE (P0136, P0156)

Duration of following condition60 seconds or more
Rear HO2S impedance15 kohms or more

HO2S HIGH IMPEDANCE (P0137, P0157)

All of the following conditions 1, 2 and 3 are met
1. Commanded air-fuel ratio14.3 or less
2. Rear HO2S voltageLess than 0.21 V
3. OSC (Oxygen capacity of catalyst)2.1 g or more

HO2S LOW VOLTAGE (P0137, P0157)

All of the following conditions 1, 2 and 3 are met
1. Commanded air-fuel ratio14.9 or more
2. Rear HO2S voltageMore than 0.59 V
3. OSC (Oxygen capacity of catalyst)2.1 g or more

HO2S HIGH VOLTAGE (P0138, P0158)

Duration of following condition10 seconds or more
Rear HO2S voltage1.2 V or more

HO2S HIGH VOLTAGE (EXTREMELY HIGH) (P0138, P0158)

Duration until rear oxygen sensor voltage drops to 0.2 V during fuel-cut6 seconds or more

HO2S VOLTAGE (DURING FUEL-CUT) (P0139, P0159)

Duration of following condition met30 seconds or more
Rear HO2S voltageVaries between 0.1 and 0.9 V

MONITOR RESULT

Refer to CHECKING MONITOR STATUS. Refer to CHECKING MONITOR STATUS .

Scheme 253

Scheme 253: WIRING DIAGRAM

Scheme 254

Scheme 254: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG).
  3. Warm up the engine until the engine coolant temperature is 75°C (167°F) or more [A].
  4. Drive the vehicle at 40 to 75 mph (60 to 120 km/h) for 10 minutes or more [B].
  5. Drive the vehicle 40 mph (60 km/h) or more and decelerate the vehicle for 5 seconds or more. Perform this 3 times [C].
  6. Turn the Techstream on.
  7. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  8. Input DTCs: P0136, P0137, P0138, P0139, P0156, P0157, P0158 and P0159.
  9. Check that DTC MONITOR is NORMAL. If DTC MONITOR is INCOMPLETE, perform the drive pattern by accelerating and decelerating the vehicle.
Related DTCsP0171: Fuel trim Lean (bank 1) P0172: Fuel trim Rich (bank 1) P0174: Fuel trim Lean (bank 2) P0175: Fuel trim Rich (bank 2)
Required Sensors/Components (Main)Fuel system
Required Sensors/Components (Related)A/F sensor, Mass air flow meter, Crankshaft position sensor
Frequency of OperationContinuous
DurationWithin 10 seconds
MIL Operation2 driving cycles
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentP0010, P0020 (OCV bank 1, 2) P0011, P0021 (VVT system bank 1, 2 - advance) P0012, P0022 (VVT system bank 1, 2 - retard) P0013, P0023 (Exhaust OCV 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 (A/F sensor heater) P0100, P0102, P0103 (MAF meter) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P0335 (CKP sensor) P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor) P0351, P0352, P0353, P0354, P0355, P0356 (Igniter) P0365, P0367, P0368, P0390, P0392, P393 (Exhaust VVT sensor)
Fuel system statusClosed loop
Battery voltage11 V or more
Either of the following conditions 1 or 2 is met
1. Engine rpmLess than 1100 rpm
2. Intake air amount per revolution0.29 g/rev or more
Catalyst monitorNot executed
EVAP purge-cutExecuting
Either of the following conditions 1 or 2 is met
1. Average between short-term fuel trim and long-term fuel trim35% or more (varies with ECT)
2. Average between short-term fuel trim and long-term fuel trim35% or less (varies with ECT)
Related DTCsP0190: Fuel pressure sensor range check (Chattering) P0192: Fuel pressure sensor range check (Low voltage) P0193: Fuel pressure sensor range check (High voltage)
Required Sensors/Components (Main)Fuel Pressure Sensor
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration5 seconds
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Time after engine start5 seconds or more
Fuel pressure sensor voltageLess than 0.25 V, or more than 4.5 V

P0190

Fuel pressure sensor voltageLess than 0.25 V

P0192

Fuel pressure sensor voltageMore than 4.5 V

P0193

Fuel pressure sensor voltage0.25 to 4.5 V

Scheme 255

Scheme 255: WIRING DIAGRAM
Related DTCsP0200: Injector circuit open (all) P0201: Injector circuit open (cylinder 1) P0202: Injector circuit open (cylinder 2) P0203: Injector circuit open (cylinder 3) P0204: Injector circuit open (cylinder 4) P0205: Injector circuit open (cylinder 5) P0206: Injector circuit open (cylinder 6)
Required Sensors/Components (Main)Injector
Required Sensors/Components (Sub)
Frequency of OperationContinuous
Duration10 seconds
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Time after engine switch Off to On (IG)1 second or more
Battery10.5 V or more
Power switchON (IG)
Fuel injector start timing
Injector driver fail signalOFF
Injector driver relayON
Either of the following condition is metA or B
A. Either of the following conditions is metA or B
A. No confirmed injection signal input in one of cylinders20 times or more
B. All of the following conditions are met(1) and (2)
(1) No confirmed injection signal input in another cylinder of the same INJECTOR DRIVER FAIL SIGNAL*20 times or more
(2) No confirmed injection signal input in target cylinder of the same INJECTOR DRIVER FAIL SIGNAL*15 times or more
*: INJECTOR DRIVER FAIL SIGNAL 1#1 and #4
*: INJECTOR DRIVER FAIL SIGNAL 2#2 and #5
*: INJECTOR DRIVER FAIL SIGNAL 3#3 and #6
B. No confirmed injection signal input in all cylinders10 revolutions or more

Scheme 256

Scheme 256: WIRING DIAGRAM

Scheme 257

Scheme 257
Related DTCsP0300: Multiple cylinder misfire P0301: Cylinder 1 misfire P0302: Cylinder 2 misfire P0303: Cylinder 3 misfire P0304: Cylinder 4 misfire P0305: Cylinder 5 misfire P0306: Cylinder 6 misfire
Required Sensors/Components (Main)Fuel injector, Ignition coil, Spark plug
Required Sensors/Components (Related)Crankshaft, VVT, Engine coolant temperature and intake air temperature sensors and Mass air flow meter
Frequency of OperationContinuous
Duration1000 to 4000 crankshaft revolutions: Emission related misfire 200 to 600 crankshaft revolutions: Catalyst damaged misfire
MIL Operation2 driving cycles: Emission related misfire MIL flashes immediately: Catalyst damaged misfire
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentP0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0100, P0102, P0103 (MAF meter) P0110, P0112, P0113 (IAT sensor) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P0327, P0328, P0332, P0333 (Knock sensor) P0335 (CKP sensor) P0351, P0352, P0353, P0354, P0355, P0356 (Igniter)
Battery voltage8 V or more
VVT systemNot operated by scan tool
Engine rpm850 to 6700 rpm
Either of following conditions (a) or (b) is met
(a) ECT at engine startMore than -7°C (19°F)
(b) ECTMore than 20°C (68°F)
Fuel cutOFF

MISFIRE

First 1000 revolutions after engine start, or Check ModeCrankshaft 1000 revolutions
Except aboveCrankshaft 1000 revolutions x 4

MONITOR PERIOD OF EMISSION-RELATED-MISFIRE

All of the following conditions 1, 2 and 3 are metCrankshaft 200 revolutions x 3
1. Driving cycles1st
2. Check modeOFF
3. Engine RPMLess than 2400 rpm
Except aboveCrankshaft 200 revolutions

MONITOR PERIOD OF CATALYST-DAMAGED-MISFIRE (MIL BLINKS)

Misfire rate1.0% or more

MONITOR PERIOD OF EMISSION-RELATED-MISFIRE

Number of misfire per 200 revolutions90 or more (varies with intake air amount and RPM)
Paired cylinders misfireDetected

MONITOR PERIOD OF CATALYST-DAMAGE-MISFIRE (MIL BLINKS)

Refer to CHECKING MONITOR STATUS. Refer to CHECKING MONITOR STATUS .

  1. Put the engine in inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-387083-S36792076252011022400000) .
  2. Connect the Techstream to the DLC3.
  3. Turn the Techstream on.
  4. Record the DTC(s) and freeze frame data.
  5. Using the Techstream, switch the ECM from normal mode to check mode. Refer to «CHECK MODE PROCEDURE»(ref-387083-S01377880472011022400000) .
  6. Read the misfire counts of each cylinder (Cylinder #1 to #6) with the engine in an idling condition. If any misfire count is displayed, skip the following confirmation driving pattern.
  7. Drive the vehicle several times with the conditions, such as engine rpm and engine load, shown in Misfire RPM and Misfire Load in the Data List. HINT: In order to store misfire DTCs, it is necessary to operate the vehicle for the period of time shown in the table below, using the Misfire RPM and Misfire Load in the Data List. Engine RPM Duration Idling 4 minutes or more 1000 4 minutes or more 2000 2 minutes or more 3000 1.5 minutes or more
  8. Check whether misfires have occurred by checking DTCs and freeze frame data. HINT: Do not turn the power switch off until the stored DTC(s) and freeze frame data have been recorded. When the ECM returns to normal mode (default), the stored DTC(s), freeze frame data and other data will be erased.
  9. Record the DTC(s), freeze frame data and misfire counts.
  10. Turn the power switch off and wait for at least 5 seconds.
Related DTCsP0327: Knock sensor (Bank 1) open/short (Low voltage) P0328: Knock sensor (Bank 1) open/short (High voltage) P0332: Knock sensor (Bank 2) open/short (Low voltage) P0333: Knock sensor (Bank 2) open/short (High voltage)
Required Sensors/Components (Main)Knock sensor (Bank 1 and 2)
Required Sensors/Components (Related)
Frequency of OperationContinuous
Duration1 second
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Battery voltage10.5 V or more
Time after engine start5 seconds or more
Power switchON (IG)
Knock sensor voltageLess than 0.5 V

KNOCK SENSOR RANGE CHECK (LOW VOLTAGE) P0327 AND P0332

Knock sensor voltageMore than 4.5 V

KNOCK SENSOR RANGE CHECK (HIGH VOLTAGE) P0328 AND P0333

Scheme 258

Scheme 258: WIRING DIAGRAM
Related DTCsP0335: CKP sensor range check or rationality
Required Sensors/Components (Main)CKP sensor
Required Sensors/Components (Related)VVT sensor
Frequency of OperationContinuous
Duration3 times
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone

ALL

Number of CMP sensor signal pulse6 times
Battery voltage7 V or more
CMP sensor circuit fail (P0340, P0342, P0343)Not detected
Power switchON (IG)

CASE 1

StarterOFF
Engine speed600 rpm or more
Time after starter from ON to OFF3 seconds or more

CASE 2

Number of CKP sensor signal pulse29 or less, and 73 or more

CASE 1

Engine speed signalNo signal

CASE 2

CKP sensorCKP sensor output voltage fluctuates while crankshaft revolving 34 CKP sensor signals per crankshaft revolution

Scheme 259

Scheme 259: WIRING DIAGRAM
Related DTCsP0340: Camshaft position sensor (Bank 1) range check (chattering) P0340: Camshaft position/Crankshaft position misalignment (Bank 1) P0342: Camshaft position sensor (Bank 1) range check (low voltage) P0343: Camshaft position sensor (Bank 1) range check (high voltage) P0345: Camshaft position sensor (Bank 2) range check (chattering) P0345: Camshaft position sensor (Bank 2) verify pulse input P0347: Camshaft position sensor (Bank 2) range check (low voltage) P0348: Camshaft position sensor (Bank 2) range check (high voltage)
Required Sensors/Components (Main)Camshaft position sensor (Bank 1 and 2)
Required Sensors/Components (SubCrankshaft position sensor
Frequency of OperationContinuous
Duration5 seconds
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone

ALL

Engine speed600 rpm or more
StarterOFF

P0340 (CAMSHAFT POSITION SENSOR / CRANKSHAFT POSITION SENSOR MISALIGNMENT)

Engine speed600 rpm or more
Battery voltage8 V or more
StarterOFF
Camshaft position sensor range check fail (P0340, P0342, P0343, P0345, P0347, P0348)Not detected
Power switchON (IG)

P0345 (VERIFY PULSE INPUT)

StarterOFF
Power switchON (IG)
Time after power switch OFF to ON (IG)2 seconds or more
Battery Voltage8 V or more

P0340, P0342, P0343 (CHATTERING, LOW VOLTAGE, HIGH VOLTAGE)

StarterOFF
Power switchON (IG)
Time after power switch OFF to ON (IG)2 seconds or more
Camshaft position sensor verify pulse input fail (P0340, P0345)Not detected
Battery Voltage8 V or more

P0345, P0347, P0348 (CHATTERING, LOW VOLTAGE, HIGH VOLTAGE)

Camshaft position and crankshaft position alignmentMisaligned
Camshaft position signalNo signal

P0340 (CAMSHAFT POSITION SENSOR / CRANKSHAFT POSITION SENSOR MISALIGNMENT)

Camshaft position sensor voltageLess than 0.3 V, or more than 4.7 V

P0340 (CHATTERING)

Camshaft position sensor voltageLess than 0.3 V

P0342 (LOW VOLTAGE)

Camshaft position sensor voltageMore than 4.7 V

P0343 (HIGH VOLTAGE)

VVT sensor signalNo signal

P0345 (VERIFY PULSE INPUT)

VVT sensor voltageLess than 0.3 V, or more than 4.7 V

P0345 (CHATTERING)

VVT sensor voltageLess than 0.3 V

P0347 (LOW VOLTAGE)

VVT sensor voltageMore than 4.7 V

P0348 (HIGH VOLTAGE)

VVT sensor voltage0.3 to 4.7 V
Related DTCsP0351: Igniter (cylinder 1) malfunction P0352: Igniter (cylinder 2) malfunction P0353: Igniter (cylinder 3) malfunction P0354: Igniter (cylinder 4) malfunction P0355: Igniter (cylinder 5) malfunction P0356: Igniter (cylinder 6) malfunction
Required Sensors/Components (Main)Igniter (Cylinder 1 to 6)
Required Sensors/Components (Sub)Crankshaft position sensor
Frequency of OperationContinuous
Duration0.256 seconds and 5 sparks
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone
Either of following conditions 1 or 2 is met
1. Following conditions (a) and (b) are met
(a) Engine RPM500 rpm or less
(b) Battery voltage6 V or more
2. Following conditions (a) and (b) are met
(a) Engine RPMMore than 500 rpm
(b) Battery voltage10 V or more
Ignition signal fail counterMore than 2 times
IGF signalIgniter transmits IGF signal when it receives IGT signal from ECM

Scheme 260

Scheme 260: WIRING DIAGRAM

Scheme 261

Scheme 261
Related DTCsP0365: Camshaft position sensor (Bank 1) verify pulse input P0367: Camshaft position sensor (Bank 1) range check (low voltage) P0368: Camshaft position sensor (Bank 1) range check (high voltage) P0390: Camshaft position sensor (Bank 2) verify pulse input P0392: Camshaft position sensor (Bank 2) range check (low voltage) P0393: Camshaft position sensor (Bank 2) range check (high voltage)
Required Sensors/Components (Main)Camshaft position sensor (Bank 1 and 2)
Required Sensors/Components (Sub)Crankshaft position sensor
Frequency of OperationContinuous
Duration5 seconds
MIL OperationImmediately
Sequence of OperationNone
Monitor runs whenever these DTCs are not presentNone

ALL

StarterOFF
Power switchON (IG)
Time after power switch OFF to ON (IG)2 seconds or more
Exhaust camshaft position sensor verify pulse input fail (P0365, P0390)Not detected
Battery voltage8 V or more

LOW VOLTAGE, HIGH VOLTAGE

Engine speed600 rpm or more
Battery voltage8 V or more
Power switchON (IG)
Exhaust camshaft position sensor range check (P0367, P0368, P0392, P0393)Not detected

P0365, P0390 (CAMSHAFT POSITION SENSOR VERIFY PULSE INPUT)

Exhaust camshaft position sensor voltageLess than 0.3 V

P0367, P0392 (LOW VOLTAGE)

Exhaust camshaft position sensor voltageMore than 4.7 V

P0368, P0393 (HIGH VOLTAGE)

Exhaust camshaft position signalNo signal

P0365, P0390 (CRANKSHAFT POSITION SENSOR VERIFY PULSE INPUT)

VVT sensor voltage0.3 to 4.7 V