Engine Control System (Diagnostic Codes (P014C - P0560)): Other Lexus GS IV

MONITOR STRATEGY

TYPICAL ENABLING CONDITIONS

TYPICAL MALFUNCTION THRESHOLDS

AIR FUEL RATIO SENSOR (BANK 1) RESPONSE RATE (RICH TO LEAN RESPONSE RATE)

AIR FUEL RATIO SENSOR (BANK 2) RESPONSE RATE (RICH TO LEAN RESPONSE RATE)

AIR FUEL RATIO SENSOR (BANK 1) RESPONSE RATE (LEAN TO RICH RESPONSE RATE)

AIR FUEL RATIO SENSOR (BANK 2) RESPONSE RATE (LEAN TO RICH RESPONSE RATE)

AIR FUEL RATIO SENSOR (BANK 1, 2) RESPONSE RATE (RICH TO LEAN DELAY)

AIR FUEL RATIO SENSOR (BANK 1, 2) RESPONSE RATE (LEAN TO RICH DELAY)

MONITOR RESULT

Refer to detailed information in Checking Monitor Status. Refer to CHECKING MONITOR STATUS [03/2012 - ] .

P014C: O2 SENSOR / RL RES RATE B1S1

P014D: O2 SENSOR / LR RES RATE B1S1

P015A: O2 SENSOR / RL DELAY B1S1

P015B: O2 SENSOR / LR DELAY B1S1

P014E: O2 SENSOR / RL RES RATE B2S1

P014F: O2 SENSOR / LR RES RATE B2S1

P015C: O2 SENSOR / RL DELAY B2S1

P015D: O2 SENSOR / LR DELAY B2S1

CONFIRMATION DRIVING PATTERN

HINT

Performing this confirmation pattern will activate the air fuel ratio sensor response monitor.

Scheme 167

1. Connect the Techstream to the DLC3.
2. Turn the power 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 power switch off and wait for at least 30 seconds.
6. Turn the power switch on (IG) and turn the Techstream on.
7. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
8. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor.
9. Check that O2 Sensor / Current is Incomplete. HINT: The test values for the test items RL RES RATE B1S1, LR RES RATE B1S1, RL DELAY B1S1, LR DELAY B1S1, RL RES RATE B2S1, LR RES RATE B2S1, RL DELAY B2S1 and LR DELAY B2S1 do not exist in the Detail of O2 Sensor monitor at this time (the initial value of "0.000" is indicated in each test item).
10. Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher with the shift lever in P [A]. HINT: In order to keep the idling stable, turn off the A/C and all other electric loads and do not perform any shift operations.
11. Drive the vehicle at a constant speed between 75 and 100 km/h (47 and 62 mph) for 10 minutes [B]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
12. Check that O2 Sensor / Current becomes Complete. HINT: Check the test values on the Techstream by entering the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor / O2 Sensor / Details / RL RES RATE B1S1, LR RES RATE B1S1, RL DELAY B1S1, LR DELAY B1S1, RL RES RATE B2S1, LR RES RATE B2S1, RL DELAY B2S1 and LR DELAY B2S1.
13. If the monitor item O2 Sensor / Current does not become Complete (if the test values indicated on the Techstream do not change), perform Readiness Monitor Drive Pattern for the air fuel ratio sensor and heated oxygen sensor. Refer to «READINESS MONITOR DRIVE PATTERN [03/2012 - ]»(ref-600436-S41908750412014022400000) .
14. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
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: P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D.
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.
19. 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 [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

PROCEDURE

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C OR P015D) 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 Result Proceed to DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D is output A DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D and other DTCs are output B HINT: If any DTCs other than P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D are output, troubleshoot those DTCs first. B --> See step 10 A: Go to next step
2. INSPECT AIR FUEL RATIO SENSOR (HEATER RESISTANCE). Refer to «PROCEDURE - Step 1»(ref-600581-S35798133952014022400000) NG --> See step 11 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (AIR FUEL RATIO SENSOR - ECM). Refer to «PROCEDURE - Step 1»(ref-600578-S27123780502014022400000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (AIR FUEL RATIO SENSOR - ECM) OK: Go to next step
4. CHECK AIR FUEL RATIO SENSOR Check that the proper air fuel ratio sensor is installed to the vehicle. HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 11 OK: Go to next step
5. PERFORM CONFIRMATION DRIVING PATTERN Drive the vehicle according to the Confirmation Driving Pattern. NEXT: Go to next step
6. CHECK WHETHER DTC OUTPUT RECURS (DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C OR P015D) 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 / Pending. Read the DTCs. Result Result Proceed to DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D is output A DTC is not output B B --> See step 12 A: Go to next step
7. REPLACE AIR FUEL RATIO SENSOR Replace the air fuel ratio sensor. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S34342609552014022400000) . HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT: Go to next step
8. PERFORM CONFIRMATION DRIVING PATTERN Drive the vehicle according to the Confirmation Driving Pattern. NEXT: Go to next step
9. CHECK WHETHER DTC OUTPUT RECURS (DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C OR P015D) 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 / Pending. Read the DTCs. Result Result Proceed to DTC is not output A DTC P014C, P014D, P014E, P014F, P015A, P015B, P015C or P015D is output B B --> See step 13 A --> END
10. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [03/2012 - ]»(ref-600436-S04366444592014022400000)
11. REPLACE AIR FUEL RATIO SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S34342609552014022400000)
12. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [03/2012 - ]»(ref-600436-S08790525922014022400000)
13. CHECK ENGINE TO DETERMINE CAUSE OF EXTREMELY RICH OR LEAN ACTUAL AIR FUEL RATIO. Refer to «DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1); DTC P0174: System Too Lean (Bank 2); DTC P0175: System Too Rich (Bank 2); DTC P1170: Port Injector Fuel Performance; DTC P117B: Direct Injector Fuel Performance»(ref-600582-S18965104442014022400000)

P0171, P0172, P0174 AND P0175: FUEL-TRIM LEAN/RICH

P1170: FUEL TRIM (PORT INJECTION)

P117B: FUEL TRIM (DIRECT INJECTION)

Scheme 168

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on [A].
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher with the shift lever in P [B]. HINT: In order to keep the idling stable, turn off the A/C and all other electric loads and do not perform any shift operations.
8. With the engine warmed up, idle the engine for 2 minutes or more [C].
9. Drive the vehicle at a speed between 75 and 120 km/h (47 and 75 mph) for 5 minutes or more [D]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
10. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
11. Read the Pending DTCs [C]. HINT: If a pending DTC is output, the system is malfunctioning.
12. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0171, P0172, P0174, P0175, P1170 AND/OR P117B) 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 P0171, P0172, P0174, P0175, P1170 or P117B A P0171, P0172, P0174, P0175, P1170 and/or P117B and other DTCs B HINT: If any DTCs other than P0171, P0172, P0174, P0175, P1170 or P117B are output, troubleshoot those DTCs first. B --> See step 31 A: Go to next step
2. PERFORM SYSTEM CHECK (CONTROL THE INJECTION WAY) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Way / Port. Read the value Short #1 and Long FT #1 and/or Short FT #2 and Long FT #2. OK Short FT #1 (#2) + Long FT #1 (#2) = Between -19% and +19% Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Way / Direct. Read the value Short FT #1 and Long FT #1 and/or Short FT #2 and Long FT #2. OK Short FT #1 (#2) + Long FT #1 (#2) = Between -19% and +19% Result Item Proceed to Port Direct OK OK A OK NG B NG OK C NG NG D B --> See step 18 C --> See step 23 D --> See step 4 A: Go to next step
3. CHECK IF VEHICLE HAS RUN OUT OF FUEL IN PAST Has the vehicle run out of fuel in the past? NO --> See step 35 YES --> DTC CAUSED BY RUNNING OUT OF FUEL
4. CHECK PCV HOSE CONNECTIONS Check the PCV hose connections. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 2»(ref-600586-S38758733722014022400000) . OK PCV valve and hose are connected correctly and are not damaged. NG --> REPAIR OR REPLACE PCV HOSE OK: Go to next step
5. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600585-S16933462382014022400000) . OK No leaks in intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> REPAIR OR REPLACE INTAKE SYSTEM OK: Go to next step
6. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE INJECTION VOLUME FOR A/F SENSOR) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Warm up the engine and run the engine at an engine speed of 2500 rpm for approximately 90 seconds. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Volume for A/F Sensor / AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2. Perform the Control the Injection Volume for A/F Sensor operation with the engine in an idling. Monitor the output voltages of the A/F and HO2 sensors (AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2) displayed on the Techstream. HINT: Change the fuel injection volume within the range of -12.5% to 12.5%. The injection volume can be changed in fine gradations. 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. Tester Display (Sensor) Injection Volume Status Voltage AFS Voltage B1S1 or AFS Voltage B2S1 (A/F) 12.5% Rich Less than 3.1 V -12.5% Lean More than 3.4 V O2S B1S2 or O2S B2S2 (HO2) 12.5% Rich More than 0.55 V -12.5% Lean Less than 0.4 V Result Status AFS Voltage B1S1 or AFS Voltage B2S1 Status O2S B1S2 or O2S B2S2 A/F Condition and A/F Sensor Condition Suspected Trouble Area Proceed to Lean/Rich Lean/Rich Normal - A Lean Lean Actual air-fuel ratio lean Ventilation valve and hose Ventilation hose connections Injector for port injection Gas leakage from exhaust system Air induction system Fuel pressure Mass Air Flow (MAF) meter Engine Coolant Temperature (ECT) sensor A Rich Rich Actual air-fuel ratio rich Gas leakage from exhaust system Ignition system Fuel pressure MAF meter ECT sensor A Lean Lean/Rich A/F sensor malfunction A/F sensor B Rich Lean/Rich A/F sensor malfunction A/F sensor B Lean: During the Control the Injection Volume for A/F Sensor Active Test, the air fuel ratio sensor output voltage (AFS Voltage) is consistently higher than 3.4 V, and the heated oxygen sensor output voltage (O2S) is consistently below 0.4 V. Rich: During the Control the Injection Volume for A/F Sensor Active Test, the AFS Voltage is consistently below 3.1 V, and the O2S is 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 [03/2012 - ]»(ref-600436-S18321174072014022400000) . B --> See step 10 A: Go to next step
7. READ VALUE USING TECHSTREAM (COOLANT TEMP) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp. Read the Coolant Temp twice, when the engine is both cold and warmed up. Standard With cold engine Same as ambient air temperature. With warm engine Between 75 and 100°C (167 and 212°F) NG --> See step 32 OK: Go to next step
8. READ VALUE USING TECHSTREAM (MAF) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / MAF, Coolant Temp and Engine Speed. Allow the engine to idle until Coolant Temp reaches 75°C (167°F) or higher. Read MAF with the engine speed at 2500 rpm. Standard Between 8.5 gm/sec and 12.5 gm/sec (shift lever: P, A/C: Off). NG --> See step 24 OK: Go to next step
9. 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 [03/2012 - ]»(ref-600436-S34722863312014022400000) . OK --> See step 13 NG --> REPAIR OR REPLACE EXHAUST SYSTEM
10. INSPECT AIR FUEL RATIO SENSOR (HEATER RESISTANCE). Refer to «PROCEDURE - Step 1»(ref-600581-S35798133952014022400000) NG --> See step 33 OK: Go to next step
11. CHECK HARNESS AND CONNECTOR (A/F SENSOR - ECM). Refer to «PROCEDURE - Step 1»(ref-600578-S27123780502014022400000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
12. REPLACE AIR FUEL RATIO SENSOR Replace the air fuel ratio sensor. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S34342609552014022400000) . HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT: Go to next step
13. PERFORM CONFIRMATION DRIVING PATTERN Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. NEXT: Go to next step
14. CHECK WHETHER DTC OUTPUT RECURS (DTC P0171, P0172, P0174, P0175, P1170 AND/OR P117B) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the pending DTCs. Result Display (DTC output) Proceed to P0171, P0172, P0174, P0175, P1170 and/or P117B A No output B B --> END A: Go to next step
15. CHECK FUEL PRESSURE (LOW PRESSURE) Check the fuel pressure. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 2»(ref-600579-S34995337152014022400000) . Result Result Proceed to NG A OK B B --> See step 24 A: Go to next step
16. CHECK FUEL PUMP OPERATION (LOW PRESSURE) Check the fuel pump operation. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600579-S01413069142014022400000) . HINT: Perform "Inspection After Repair" after replacing the fuel pump. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 41 OK: Go to next step
17. CHECK FUEL LEAK (LOW PRESSURE SIDE) Check for fuel leaks (low pressure side). OK No leaks. NG --> REPAIR OR REPLACE FUEL SYSTEM (LOW PRESSURE SIDE) OK --> CHECK AND REPLACE FUEL PUMP, PRESSURE REGULATOR, FUEL LINE AND FILTER
18. CHECK FUEL PRESSURE SENSOR Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / Fuel Press. While revving the engine, check that the fuel pressure fluctuates. Standard Idling 1800 to 2800 kPa (18.4 to 28.6 kgf/cm 2 , 261 to 406 psi). HINT: The A/C switch and all accessory switches should be off, and the shift lever should be in the N or P position, and the engine should be fully warmed up. NG --> See step 21 OK: Go to next step
19. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Way / Direct. HINT: The A/C switch and all accessory switches should be off, and the shift lever should be in the N or P position, and the engine should be fully warmed up. Read the value Short FT #1, Long FT #1, Short FT #2, Long FT #2 and Fuel Pump Duty (D4). Result Item Proceed to Fuel Pump Duty (D4) Short FT #1 + Long FT #1 Short FT #2 + Long FT #2 10% to 40% - - A 40% or more -20% or less -20% or less B 10% or less +20% or more +20% or more B 40% or more +20% or more +20% or more C 10% or less -20% or less -20% or less D B --> See step 34 C --> See step 23 D --> See step 36 A: Go to next step
20. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Way / Direct. HINT: The A/C switch and all accessory switches should be off, and the shift lever should be in the N or P position, and the engine should be fully warmed up. Read the value Short FT #1, Long FT #1, Short FT #2, Long FT #2 and Fuel Pump Duty (D4). Result Item Proceed to Fuel Pump Duty (D4) Short FT #1 + Long FT #1 Short FT #2 + Long FT #2 10% to 40% -25% or less -25% or less A 10% to 40% -25% or less -25% to +25% B 10% to 40% -25% to +25% -25% or less C 10% to 40% +30% or more +30% or more A 10% to 40% +25% or more -25% to +25% B 10% to 40% -25% to +25% +25% or more C 10% to 40% -25% to +25% -25% to +25% D B --> See step 37 C --> See step 38 D --> See step 40 A --> See step 42
21. CHECK MISFIRE COUNT Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Active test / Control the Injection Way / Direct. Allow the engine to idle. Monitor all of the misfire count values that are displayed on the Techstream: Powertrain / Engine and ECT / Data List / Misfire / Cylinder #1 Misfire Count to Cylinder #6 Misfire Count. If no misfire counts occur for any of the cylinders, perform the following procedure: Move the shift lever to D. Monitor all of the misfire rate values that are displayed on the Techstream. Result Misfire Count Proceed to No misfire counts, or misfire counts occur randomly in all cylinders A Misfire counts occur in particular cylinder B B --> See step 39 A: Go to next step
22. INSPECT INJECTOR DRIVER Replace the injector driver with known good ones from another vehicle. NOTE: Do not disconnect and reconnect the connectors with the power switch on (IG), as the injector driver (EDU) may be damaged. Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up. 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 pending DTCs Result Result Proceed to P0171, P0172, P0174, P0175, P1170 and/or P117B A No output B B --> END (INJECTOR DRIVER IS DEFECTIVE) A --> See step 43
23. CHECK FUEL INJECTOR ASSEMBLY (FOR PORT INJECTION) Check the injection volume (whether fuel volume is high or low, and whether injection pattern is poor). HINT: Perform "Inspection After Repair" after replacing the fuel injector assembly. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 44 OK --> See step 36
24. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR CONNECTION) Check the connection and terminal contact pressure of connectors and wire harness between the mass air flow meter and ECM. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE [03/2012 - ]»(ref-600412-S14934915652014022400000) . HINT: Repair any problems. NEXT: Go to next step
25. PERFORM CONFIRMATION DRIVING PATTERN Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. NEXT: Go to next step
26. CHECK WHETHER DTC OUTPUT RECURS (DTC P0171, P0172, P0174, P0175, P1170 AND/OR P117B) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the pending DTCs. Result Display (DTC output) Proceed to P0171, P0172, P0174, P0175, P1170 and/or P117B A No output B B --> END A: Go to next step
27. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM) Disconnect the MAF meter connector. Disconnect the ECM connector. Measure the resistance. Standard resistance Tester Connection Condition Specified Condition F39-5 (VG) - F5-98 (VG) Always Below 1 ohms F39-4 (E2G) - F5-130 (E2G) Always Below 1 ohms F39-5 (VG) or F5-98 (VG) - Body ground Always 10 kohms or higher Reconnect the ECM connector. Reconnect the MAF meter connector. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
28. REPLACE MASS AIR FLOW METER Replace the mass air flow meter. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S07874133562014022400000) . HINT: If the result of the inspection performed in step 8 indicated no problem, proceed to the next step without replacing the mass air flow meter. Perform "Inspection After Repair" after replacing the mass air flow meter. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT: Go to next step
29. PERFORM CONFIRMATION DRIVING PATTERN Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. NEXT: Go to next step
30. CHECK WHETHER DTC OUTPUT RECURS (DTC P0171, P0172, P0174, P0175, P1170 AND/OR P117B) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the pending DTCs. Result Display (DTC output) Proceed to P0171, P0172, P0174, P0175, P1170 and/or P117B A No output B B --> END A --> See step 36
31. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [03/2012 - ]»(ref-600436-S04366444592014022400000)
32. REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S11893316872014022400000)
33. REPLACE AIR FUEL RATIO SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S34342609552014022400000)
34. REPLACE FUEL PRESSURE SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600584-S18798556952014022400000)
35. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [03/2012 - ]»(ref-600436-S08790525922014022400000)
36. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)
37. REPLACE FUEL INJECTOR ASSEMBLY (FOR DIRECT INJECTION (BANK 1)). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S04555791432014022400000)
38. REPLACE FUEL INJECTOR ASSEMBLY (FOR DIRECT INJECTION (BANK 2)). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S04555791432014022400000)
39. REPLACE FUEL INJECTOR ASSEMBLY (FOR DIRECT INJECTION). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S04555791432014022400000)
40. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [03/2012 - ]»(ref-600436-S08790525922014022400000)
41. REPLACE FUEL PUMP (LOW PRESSURE). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S06179532422014022400000)
42. REPLACE FUEL INJECTOR ASSEMBLY (FOR DIRECT INJECTION (ALL CYLINDERS)). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S04555791432014022400000)
43. REPLACE FUEL PUMP FOR HIGH PRESSURE. Refer to «REMOVAL [03/2012 - ]»(ref-600584-S35801861492014022400000)
44. REPLACE FUEL INJECTOR FOR PORT INJECTION. Refer to «REMOVAL [03/2012 - ]»(ref-600584-S03352150852014022400000)

P0192

P0193

COMPONENT OPERATING RANGE

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Wait 5 seconds or more.
7. Enter the following menus: Powertrain / Engine and ECT and ECT / Trouble Codes / Pending.
8. Read 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 and ECT / Utility / All Readiness.
10. Input the DTC: P0192 or P0193.
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's 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 [A] and [B] again.
12. If the test 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 [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 169

ALL

P0201, P0202, P0203, P0204, P0205 AND P0206

P062D

P0201, P0202, P0203, P0204, P0205 AND P0206

P062D

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Start the engine.
8. Idle the engine for 15 seconds or more.
9. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
10. Read 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: P0201, P0202, P0203, P0204, P0205, P0206 or P062D.
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's 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 and again.
14. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 170

Scheme 171

MISFIRE

MONITOR PERIOD OF EMISSION-RELATED MISFIRE

MONITOR PERIOD OF CATALYST-DAMAGING MISFIRE (MIL BLINKS)

MONITOR PERIOD OF EMISSION-RELATED MISFIRE

MONITOR PERIOD OF CATALYST-DAMAGING MISFIRE (MIL BLINKS)

Refer to detailed information in Checking Monitor Status. Refer to CHECKING MONITOR STATUS [03/2012 - ] .

P0300: MISFIRE / EWMA MISFIRE

P0300: MISFIRE / MISFIRE RATE

P0301: MISFIRE / EWMA MISFIRE1

P0301: MISFIRE / MISFIRE RATE1

P0302: MISFIRE / EWMA MISFIRE2

P0302: MISFIRE / MISFIRE RATE2

P0303: MISFIRE / EWMA MISFIRE3

P0303: MISFIRE / MISFIRE RATE3

P0304: MISFIRE / EWMA MISFIRE4

P0304: MISFIRE / MISFIRE RATE4

P0305: MISFIRE / EWMA MISFIRE5

P0305: MISFIRE / MISFIRE RATE5

P0306: MISFIRE / EWMA MISFIRE6

P0306: MISFIRE / MISFIRE RATE6

HINT

*: EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles (calculated) Calculation: 0.1 x (current counts) + 0.9 x (previous average)

Initial value for (previous average) = 0

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Record the DTC(s) and freeze frame data.
5. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Using the Techstream, switch the ECM from normal mode to check mode. Refer to «CHECK MODE PROCEDURE [03/2012 - ]»(ref-600436-S08119784462014022400000) .
8. Read the misfire counts of each cylinder (Cylinder #1 Misfire Count to Cylinder #6 Misfire Count) with the engine in an idling condition. If any misfire count is displayed, skip the following confirmation driving pattern.
9. Drive the vehicle several times with the conditions, such as engine speed and engine load, shown in Misfire RPM and Misfire Load in the freeze frame data. 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 Speed Duration Idling 4.5 minutes or more 1000 4.5 minutes or more 2000 2.5 minutes or more 3000 1.5 minute or more
10. 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 cleared.
11. Record the DTC(s), freeze frame data and misfire counts.
12. Turn the power switch off and wait for at least 30 seconds.
13. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

1. CHECK ANY OTHER DTC OUTPUT (IN ADDITION TO MISFIRE DTCS) Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. Result Display (DTC output) Proceed to P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306 A P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306 and other DTCs B HINT: If any DTCs other than P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306 are output, troubleshoot those DTCs first. B --> See step 32 A: Go to next step
2. CHECK PCV HOSE CONNECTIONS Check the PCV hose connections. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 2»(ref-600586-S38758733722014022400000) . OK PCV valve and hose are connected correctly and are not damaged. NG --> REPAIR OR REPLACE PCV HOSE OK: Go to next step
3. READ VALUE USING TECHSTREAM (MISFIRE RPM AND MISFIRE LOAD) Connect the Techstream to the DLC3. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Misfire RPM and Misfire Load. Read and note the Misfire RPM and Misfire Load (engine load) values. HINT: The Misfire RPM and Misfire Load values indicate the vehicle conditions under which the misfire occurred. NEXT: Go to next step
4. CHECK MISFIRE COUNT OF PORT INJECTION Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Way / Port / Gas Misfire / Cylinder #1 Misfire Count to Cylinder #6 Misfire Count. Start the engine. Allow the engine to idle. Read each value for Cylinder #1 Misfire Count to Cylinder #6 Misfire Count displayed on the Techstream. If no misfire counts occur in any cylinders, perform procedure [A] and [B] and then check the misfire counts again. Drive the vehicle with the Misfire RPM and Misfire Load noted in the "Read Value Using Techstream (Misfire RPM And Misfire Load)" procedures above [A]. Read the Cylinder #1 Misfire Count to Cylinder #6 Misfire Count or DTCs displayed on the Techstream [B]. Result Misfire count Proceed to 1 or 2 cylinders have misfire counts A 3 cylinders or more have misfire counts A There are no misfire counts B B --> See step 15 A: Go to next step
5. CHECK MISFIRE COUNT OF DIRECT INJECTION Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Way / Direct / Gas Misfire / Cylinder #1 Misfire Count to Cylinder #6 Misfire Count. Start the engine. Allow the engine to idle. Read each value for Cylinder #1 Misfire Count to Cylinder #6 Misfire Count displayed on the Techstream. If no misfire counts occur in any cylinders, perform procedure [A] and [B] and then check the misfire counts again. Drive the vehicle with the Misfire RPM and Misfire Load noted in the "Read Value Using Techstream (Misfire RPM And Misfire Load)" procedures above [A]. Read the Cylinder #1 Misfire Count to Cylinder #6 Misfire Count or DTCs displayed on the Techstream [B]. Result Misfire Count Proceed to Port Direct 1 or 2 cylinders have misfire counts 1 or 2 cylinders have misfire counts A 3 cylinders or more have misfire counts 3 cylinders or more have misfire counts B 1 or 2 cylinders have misfire counts There are no misfire counts C 3 cylinders or more have misfire counts There are no misfire counts D B --> See step 9 C --> See step 29 D --> See step 13 A: Go to next step
6. INSPECT SPARK PLUG Inspect the spark plug of the misfiring cylinder. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 3»(ref-600580-S02040303612014022400000) . HINT: Perform "Inspection After Repair" after replacing the spark plug. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 31 OK: Go to next step
7. CHECK FOR SPARK (SPARK TEST) Perform a spark test. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 1»(ref-600580-S02040303612014022400000) . HINT: If the result of the spark test is normal, proceed to the next step. Perform "Inspection After Repair" after repairing or replacing the ignition system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT: Go to next step
8. CHECK CYLINDER COMPRESSION PRESSURE (MALFUNCTION CYLINDER) Measure the cylinder compression pressure of the misfiring cylinder. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 10»(ref-600560-S06547293962014022400000) . HINT: Perform "Inspection After Repair" after repairing or replacing the engine assembly. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> REPAIR OR REPLACE ENGINE TO DETERMINE CAUSE OF LOW COMPRESSION OK --> See step 30
9. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600585-S16933462382014022400000) . OK No leaks from intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> REPAIR OR REPLACE INTAKE SYSTEM OK: Go to next step
10. READ VALUE USING TECHSTREAM (COOLANT TEMP) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / MAF and Coolant Temp. Read the Coolant Temp twice, when the engine is both cold and warmed up. Standard With cold engine Same as ambient air temperature. With warm engine Between 75°C and 100°C (167°F and 212°F). HINT: Perform "Inspection After Repair" after replacing the engine coolant temperature sensor. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 34 OK: Go to next step
11. READ VALUE USING TECHSTREAM (MAF) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / MAF and Coolant Temp. Allow the engine to idle until the Coolant Temp reaches 75°C (167°F) or more. Read MAF with the engine speed of 2500 rpm. Standard Between 8.5 gm/sec and 12.5 gm/sec (shift lever: P, A/C: off). NG --> See step 24 OK: Go to next step
12. CHECK VALVE TIMING Remove the cylinder head cover RH and LH. Turn the crankshaft pulley, and align its groove with the timing mark "0" of the timing chain cover. Check that the timing mark of each camshaft timing gear is aligned with the timing mark of each bearing cap as shown in the illustration. If not, turn the crankshaft 1 revolution (360°), then align the marks as above. TEXT IN ILLUSTRATION *1 Timing Mark OK Timing marks on camshaft timing gears are aligned as shown in the illustration. NG --> See step 33 OK --> See step 30
13. CHECK FUEL PRESSURE (LOW PRESSURE SIDE) Check the fuel pressure (low pressure side). Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 2»(ref-600579-S34995337152014022400000) . NG --> See step 14 OK --> See step 29
14. CHECK FUEL PUMP OPERATION (FOR LOW PRESSURE) Check the fuel pump operation. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600579-S01413069142014022400000) . HINT: Perform "Inspection After Repair" after repairing or replacing the fuel pump. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 35 OK --> CHECK AND REPLACE FUEL SYSTEM (PRESSURE REGULATOR, PIPE LINE AND FILTER)
15. CHECK MISFIRE COUNT OF DIRECT INJECTION Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Way / Direct / Gas Misfire / Cylinder #1 Misfire Count to Cylinder #6 Misfire Count. Start the engine. Allow the engine to idle. Read each value for Cylinder #1 Misfire Count to Cylinder #6 Misfire Count displayed on the Techstream. If no misfire counts occur in any cylinders, perform procedure [A] and [B] and then check the misfire counts again. Drive the vehicle with the Misfire RPM and Misfire Load noted in the "Read Value Using Techstream (Misfire RPM And Misfire Load)" procedures above [A]. Read the Cylinder #1 Misfire Count to Cylinder #6 Misfire Count or DTCs displayed on the Techstream [B]. Result Misfire Count Proceed to Port Direct There are no misfire counts There are misfire counts A There are no misfire counts There are no misfire counts B B --> See step 16 A --> See step 36
16. CHECK MISFIRE COUNT Connect the Techstream to the DLC3. Start the engine and turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Enter the following menus: Powertrain / Engine and ECT / Data List / Misfire RPM, Misfire Load, Cylinder #1 to #6 Misfire Count and Injection Way. Start the engine and allow the engine to idle. Drive the vehicle with Misfire RPM and Misfire Load. Monitor all of the misfire count values or DTCs and Injection Way displayed on the Techstream. Result Misfire count Injection way Proceed to There are no misfire counts - A 1 or 2 cylinders have misfire counts Either B 3 cylinders or more have misfire counts Either C There are misfire counts Direct D B --> See step 17 C --> See step 20 D --> See step 38 A --> See step 37
17. INSPECT SPARK PLUG Inspect the spark plug of the misfiring cylinder. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 3»(ref-600580-S02040303612014022400000) . HINT: Perform "Inspection After Repair" after replacing the spark plug. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 31 OK: Go to next step
18. CHECK FOR SPARK (SPARK TEST) Perform a spark test. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 1»(ref-600580-S02040303612014022400000) . HINT: If the result of the spark test is normal, proceed to the next step. Perform "Inspection After Repair" after repairing or replacing the ignition system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT: Go to next step
19. CHECK CYLINDER COMPRESSION PRESSURE (MISFIRE CYLINDER) Measure the cylinder compression pressure of the misfiring cylinder. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 10»(ref-600560-S06547293962014022400000) . HINT: Perform "Inspection After Repair" after repairing or replacing the engine assembly. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> REPAIR OR REPLACE ENGINE TO DETERMINE CAUSE OF LOW COMPRESSION OK --> See step 30
20. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600585-S16933462382014022400000) . OK No leaks from intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> REPAIR OR REPLACE INTAKE SYSTEM OK: Go to next step
21. READ VALUE USING TECHSTREAM (COOLANT TEMP) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / MAF and Coolant Temp. Read the Coolant Temp twice, when the engine is both cold and warmed up. Standard With cold engine Same as ambient air temperature. With warm engine Between 75°C and 100°C (167°F and 212°F). NG --> See step 34 OK: Go to next step
22. READ VALUE USING TECHSTREAM (MAF) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / MAF and Coolant Temp. Allow the engine to idle until the Coolant Temp reaches 75°C (167°F) or more. Read MAF with the engine speed of 2500 rpm. Standard Between 8.5 gm/sec and 12.5 gm/sec (shift lever: P, A/C: off). NG --> See step 24 OK: Go to next step
23. CHECK VALVE TIMING Remove the cylinder head cover RH and LH. Turn the crankshaft pulley, and align its groove with the timing mark "0" of the timing chain cover. Check that the timing mark of each camshaft timing gear is aligned with the timing mark of each bearing cap as shown in the illustration. If not, turn the crankshaft 1 revolution (360°), then align the marks as above. TEXT IN ILLUSTRATION *1 Timing Mark OK Timing marks on camshaft timing gears are aligned as shown in the illustration. NG --> See step 33 OK --> See step 30
24. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR CONNECTION) Check the connection and terminal contact pressure of connectors and wire harness between the mass air flow meter and ECM. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE [03/2012 - ]»(ref-600412-S14934915652014022400000) . HINT: Repair any problems. NEXT: Go to next step
25. CHECK WHETHER DTC OUTPUT RECURS (DTC P0300, P0301, P0302, P0303, P0304, P0305 OR P0306) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P0300, P0301, P0302, P0303, P0304, P0305 or P0306. Check the DTC judgment result. Result Display (DTC output) Proceed to ABNORMAL (P0300, P0301, P0302, P0303, P0304, P0305 or P0306) A NORMAL (No output) B B --> END A: Go to next step
26. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM) See step 27 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
27. REPLACE MASS AIR FLOW METER Replace the mass air flow meter. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S07874133562014022400000) . HINT: If the result of the inspection performed in steps 13 and 24 indicated no problem, proceed to the next step without replacing the mass air flow meter. Perform "Inspection After Repair" after replacing the mass air flow meter. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT: Go to next step
28. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P0300, P0301, P0302, P0303, P0304, P0305 or P0306. Check the DTC judgment result. Result Display (DTC output) Proceed to ABNORMAL (P0300, P0301, P0302, P0303, P0304, P0305 or P0306) A NORMAL (No output) B B --> END A --> See step 30
29. REPLACE FUEL INJECTOR FOR PORT INJECTION (MISFIRING CYLINDER). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S03352150852014022400000)
30. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)
31. REPLACE SPARK PLUG. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S18103547432014022400000)
32. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [03/2012 - ]»(ref-600436-S04366444592014022400000)
33. ADJUST VALVE TIMING. Refer to «REASSEMBLY [03/2012 - ]»(ref-600560-S36734244042014022400000)
34. REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S11893316872014022400000)
35. REPLACE FUEL PUMP (FOR LOW PRESSURE). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S06179532422014022400000)
36. REPLACE FUEL INJECTOR FOR DIRECT INJECTION (MISFIRING CYLINDER). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S04555791432014022400000)
37. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [03/2012 - ]»(ref-600436-S08790525922014022400000)
38. REPLACE FUEL INJECTOR FOR DIRECT INJECTION (MALFUNCTION CYLINDER INJECTOR). Refer to «REMOVAL [03/2012 - ]»(ref-600584-S04555791432014022400000)

P0327 AND P0332

P0328 AND P0333

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Start the engine and wait 5 minutes.
8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
9. Read 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: P0327, P0328, P0332 or P0333.
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's 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.
13. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 172

1. READ VALUE USING TECHSTREAM (KNOCK FEEDBACK VALUE) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Warm up the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary / Knock Feedback Value. Read the value while driving the vehicle. OK The value changes. HINT: Malfunction does not occur Knock Feedback Value changes Malfunctions occur Knock Feedback Value does not change The Knock Feedback Value change can be confirmed by running the engine with a high load, for example, by racing the engine. NG --> See step 2 OK --> See step 5
2. CHECK TERMINAL VOLTAGE (POWER SOURCE OF KNOCK SENSOR) Disconnect the knock sensor connector. Turn the power switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition J1-1 - J1-2 Power switch on (IG) 4.5 to 5.5 V J2-1 - J2-2 Power switch on (IG) 4.5 to 5.5 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Knock Sensor) Reconnect the knock sensor connector. NG --> See step 4 OK: Go to next step
3. INSPECT KNOCK SENSOR Inspect the knock sensor. Refer to «INSPECTION [03/2012 - ]»(ref-600565-S15863416012014022400000) . HINT: Perform "Inspection After Repair" after replacing the knock sensor. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 7 OK --> See step 6
4. CHECK HARNESS AND CONNECTOR (KNOCK SENSOR - ECM) Disconnect the knock 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 J1-2 - F5-83 (KNK1) Always Below 1 ohms J1-1 - F5-115 (EKNK) Always Below 1 ohms J2-2 - F5-84 (KNK2) Always Below 1 ohms J2-1 - F5-116 (EKN2) Always Below 1 ohms J1-2 or F5-83 (KNK1) - Body ground Always 10 kohms or higher J1-1 or F5-115 (EKNK) - Body ground Always 10 kohms or higher J2-2 or F5-84 (KNK2) - Body ground Always 10 kohms or higher J2-1 or F5-116 (EKN2) - Body ground Always 10 kohms or higher Reconnect the knock sensor connector. Reconnect the ECM connector. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (KNOCK SENSOR - ECM) OK --> See step 6
5. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [03/2012 - ]»(ref-600436-S08790525922014022400000)
6. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)
7. REPLACE KNOCK SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S28121179912014022400000)

ALL

P0335: RANGE CHECK/RATIONALITY

P0335: VERIFY PULSE INPUT (CASE 1)

P0335: VERIFY PULSE INPUT (CASE 2)

P0335: RANGE CHECK/RATIONALITY

P0335: VERIFY PULSE INPUT

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Start the engine.
8. Idle the engine for 20 seconds or more [A].
9. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
10. Read 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: P0335.
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's 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 again.
14. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 173

1. READ VALUE USING TECHSTREAM (ENGINE SPEED) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / Engine Speed. Read the values displayed on the Techstream while the engine is running. Standard Correct values are displayed. HINT: To check the engine speed change, display the graph on the Techstream. If the engine does not start, check the engine speed while cranking. If the engine speed indicated on the Techstream remains zero (0), there may be an open or short in the crankshaft position sensor circuit. NG --> See step 2 OK --> See step 9
2. INSPECT CRANKSHAFT POSITION SENSOR Inspect the crankshaft position sensor. Refer to «INSPECTION [03/2012 - ]»(ref-600565-S16550366942014022400000) . NG --> See step 10 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM) Disconnect the crankshaft position 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 F5-76 (NE+) - F21-1 Always Below 1 ohms F5-109 (NE-) - F21-2 Always Below 1 ohms F5-76 (NE+) or F21-1 - Body ground Always 10 kohms or higher F5-109 (NE-) or F21-2 - Body ground Always 10 kohms or higher Reconnect the ECM connector. Reconnect the crankshaft position sensor connector. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM) OK: Go to next step
4. CHECK SENSOR INSTALLATION (CRANKSHAFT POSITION SENSOR) Check the crankshaft position sensor installation condition. OK Sensor is installed correctly. NG --> See step 6 OK: Go to next step
5. CHECK CRANKSHAFT (TEETH OF CRANK ANGLE SENSOR PLATE) Check the teeth of the crank angle sensor plate. OK Crank angle sensor plate does not have any cracks or deformation. NG --> See step 7 OK --> See step 8
6. SECURELY REINSTALL CRANKSHAFT POSITION SENSOR. Refer to «INSTALLATION [03/2012 - ]»(ref-600565-S31734168372014022400000)
7. REPLACE CRANKSHAFT. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600560-S23844120552014022400000)
8. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)
9. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [03/2012 - ]»(ref-600436-S08790525922014022400000)
10. REPLACE CRANKSHAFT POSITION SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S07561199072014022400000)

ALL

P0340 (CASE 1)

P0340 (CASE 2)

P0342 AND P0343

P0345

P0347 AND P0348

P0340 (CASE 1) AND P0345

P0340 (CASE 2)

P0342 AND P0347

P0343 AND P0348

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Start the engine.
8. Idle the engine for 10 seconds or more.
9. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
10. Read the DTC. HINT: If a DTC is output, the system is malfunctioning. If a DTC is not output, perform the following procedure.
11. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
12. Input the DTC: P0340, P0342, P0343, P0345, P0347 or P0348.
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 ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or N/A, perform steps again.
14. If no DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 174

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Start the engine.
8. Idle the engine for 10 seconds or more.
9. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
10. Read 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: P0351, P0352, P0353, P0354, P0355 or P0356.
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's 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 again.
14. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 175

ALL

P0365 AND P0390

P0367, P0368, P0392 AND P0393

P0365 AND P0390

P0367 AND P0392

P0368 AND P0393

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Start the engine.
8. Idle the engine for 10 seconds or more.
9. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
10. Read 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: P0365, P0367, P0368, P0390, P0392 or P0393.
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's 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 again.
14. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 176

1. CHECK VVT SENSOR FOR EXHAUST SIDE (SENSOR POWER SOURCE) Disconnect the VVT sensor for exhaust side connector. Turn the power switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition F35-3 (VC2) - Body ground Power switch on (IG) 4.5 to 5.5 V F11-3 (VC2) - Body ground Power switch on (IG) 4.5 to 5.5 V TEXT IN ILLUSTRATION *1 Bank 1 *2 Bank 2 *a Front view of wire harness connector (to VVT Sensor for Exhaust Side) Reconnect the VVT sensor connector. NG --> See step 8 OK: Go to next step
2. CHECK HARNESS AND CONNECTOR (VVT SENSOR FOR EXHAUST SIDE - ECM) Disconnect the VVT 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 F35-1 (EX+) - F5-79 (EV1+) Always Below 1 ohms F35-2 (EX-) - F5-117 (EV1-) Always Below 1 ohms F11-1 (EX+) - F5-80 (EV2+) Always Below 1 ohms F11-2 (EX-) - F5-118 (EV2-) Always Below 1 ohms F35-1 (EX+) or F5-79 (EV1+) - Body ground Always 10 kohms or higher F35-2 (EX-) or F5-117 (EV1-) - Body ground Always 10 kohms or higher F11-1 (EX+) or F5-80 (EV2+) - Body ground Always 10 kohms or higher F11-2 (EX-) or F5-118 (EV2-) - Body ground Always 10 kohms or higher Reconnect the VVT sensor connector. Reconnect the ECM connector. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (VVT SENSOR FOR EXHAUST SIDE - ECM) OK: Go to next step
3. CHECK SENSOR INSTALLATION (VVT SENSOR FOR EXHAUST SIDE) Check the VVT sensor installation. OK Sensor is installed correctly. NG --> See step 9 OK: Go to next step
4. CHECK EXHAUST CAMSHAFT Check the teeth of the timing rotor. OK Camshaft timing rotor do not have any cracks or deformation. HINT: Perform "Inspection After Repair" after replacing the exhaust camshaft. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 10 OK: Go to next step
5. CHECK VALVE TIMING (CHECK FOR LOOSE TIMING CHAIN AND JUMPED TEETH). Refer to «PROCEDURE - Step 4»(ref-600581-S31303881242014022400000) NG --> See step 13 OK: Go to next step
6. REPLACE VVT SENSOR FOR EXHAUST SIDE Replace the VVT sensor for exhaust side. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S26205530222014022400000) . NEXT: Go to next step
7. CHECK WHETHER DTC OUTPUT RECURS (DTC P0365, P0367, P0368, P0390, P0392 OR P0393) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending. Read the DTC. Result Result Proceed to DTC is not output A DTC P0365, P0367, P0368, P0390, P0392 or P0393 is output B HINT: If the engine does not start, replace the ECM. B --> See step 12 A --> END
8. CHECK HARNESS AND CONNECTOR (VVT SENSOR FOR EXHAUST SIDE - ECM) Disconnect the VVT sensor for exhaust side connector. Disconnect the ECM connectors. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F35-3 (VC2) - F5-89 (VCE1) Always Below 1 ohms F11-3 (VC2) - F5-90 (VCE2) Always Below 1 ohms F35-3 (VC2) or F5-89 (VCE1) - Body ground Always 10 kohms or higher F11-3 (VC2) or F5-90 (VCE2) - Body ground Always 10 kohms or higher Reconnect the VVT sensor for exhaust side connector. Reconnect the ECM connectors. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (VVT SENSOR FOR EXHAUST SIDE - ECM) OK --> See step 11
9. SECURELY REINSTALL VVT SENSOR FOR EXHAUST SIDE. Refer to «INSTALLATION [03/2012 - ]»(ref-600565-S04375233272014022400000)
10. REPLACE EXHAUST CAMSHAFT. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600560-S23844120552014022400000)
11. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)
12. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)
13. ADJUST VALVE TIMING. Refer to «REASSEMBLY [03/2012 - ]»(ref-600560-S36734244042014022400000)

Refer to detailed information in Checking Monitor Status. Refer to CHECKING MONITOR STATUS [03/2012 - ] .

P0420: CATALYST EFFICIENCY / O2 STORAGE B1

P0430: CATALYST EFFICIENCY / O2 STORAGE B2

HINT

1. It is necessary that the response of the heated oxygen sensor is normal in order to confirm DTCs P0420 and P0430. Therefore, perform the driving pattern for the heated oxygen sensor monitor before performing the drive pattern for the catalyst efficiency monitor.
2. Performing this confirmation driving pattern will activate the catalyst efficiency monitor. This is very useful for verifying the completion of a repair.

Scheme 177

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
5. Turn the power switch off and wait for at least 30 seconds.
6. Turn the power switch on (IG) and turn the Techstream on.
7. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor.
8. Check that Catalyst Efficiency / Current is Incomplete.
9. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
10. Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher with the shift lever in P [A]. HINT: In order to keep the idling stable, turn off the A/C and all other electric loads and do not perform any shift operations.
11. Drive the vehicle at approximately 75 km/h (47 mph) for 10 minutes or more [B]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: Drive the vehicle while keeping the engine load as constant as possible.
12. With the shift lever in S, drive the vehicle at 75 km/h (47 mph), and then decelerate the vehicle by releasing the accelerator pedal for 5 seconds or more to perform the fuel-cut [C]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
13. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor / O2 Sensor / RL F/C B1S2, RL F/C B2S2 [D].
14. Check the Test Value for RL F/C B1S2, RL F/C B2S2. If Test Value displays a value larger than 0, perform the following procedure, as the O2 sensor monitor is finished. HINT: If Test Value displays 0, perform step [C] until it displays a value larger than 0, as the O2 sensor monitor is not finished.
15. Turn the power switch off and wait for at least 30 seconds [F].
16. Turn the power switch on (IG) and turn the Techstream on.
17. Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher [G].
18. Drive the vehicle at approximately 75 km/h (47 mph) for 10 minutes or more [H]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: Drive the vehicle while keeping the engine load as constant as possible. The monitor item will change to Complete as the Catalyst Efficiency monitor operates.
19. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [I].
20. Check if any DTCs are stored. HINT: If the monitor item does not change to Complete, and no DTCs are stored, perform the following procedure.
21. Drive the vehicle at approximately 100 km/h (62 mph) for 10 minutes or more [J]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: Drive the vehicle while keeping the engine load as constant as possible. The monitor item will change to Complete as the Catalyst Efficiency monitor operates.
22. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [K].
23. Check if any DTCs are stored. HINT: If the monitor item does not change to Complete, and no DTCs are stored, extend the driving time.
24. If no DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0420 AND/OR P0430) 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 Result Proceed to DTC P0420 and/or P0430 are output A DTC P0420 and/or P0430 and other DTCs are output B HINT: If any DTCs other than P0420 or P0430 are output, troubleshoot those DTCs first. B --> See step 13 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE INJECTION VOLUME FOR A/F SENSOR) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher with the shift lever in P. HINT: In order to keep the idling stable, turn off the A/C and all other electric loads and do not perform any shift operations. NOTE: The A/C switch and all accessory switches should be off and shift lever in P. Run the engine at an engine speed of 2500 rpm for approximately 90 seconds. HINT: During charging control, the engine speed is set at idle. Therefore, the engine speed does not increase when depressing the accelerator pedal. In this case, warm up the engine after charging control has completed. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Volume for A/F Sensor / AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2. Perform the Active Test operation with the engine idling (press the RIGHT or LEFT button to change the fuel injection volume). Monitor the voltage outputs of the air fuel ratio sensor and heated oxygen sensor (AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2) displayed on the Techstream. HINT: Change the fuel injection volume within the range of - 12.5% to +12.5%. The injection volume can be changed in fine gradations. Each sensor reacts in accordance with increases and decreases in the fuel injection volume. 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. Standard Techstream Display (Sensor) Injection Volume Status Voltage AFS Voltage B1S1 or AFS Voltage B2S1 (Air fuel ratio) +12.5% Rich Below 3.1 V -12.5% Lean Higher than 3.4 V O2S B1S2 or O2S B2S2 (Heated oxygen) +12.5% Rich Higher than 0.55 V -12.5% Lean Below 0.4 V Result Status AFS Voltage B1S1 or AFS Voltage B2S1 Status O2S B1S2 or O2S B2S2 A/F Condition and A/F and HO2 Sensor Conditions Misfire Main Suspected Trouble Areas Proceed to Lean/Rich Lean/Rich Normal - Three-Way Catalytic Converter (TWC) Gas leakage from exhaust system A Lean Lean/Rich Air fuel ratio sensor malfunction - Air fuel ratio sensor B Rich Lean/Rich Air fuel ratio sensor malfunction May occur Air fuel ratio sensor Lean/Rich Lean Heated oxygen sensor malfunction - Heated oxygen sensor Gas leakage from exhaust system C Lean/Rich Rich Heated oxygen sensor malfunction - Heated oxygen sensor Gas leakage from exhaust system Lean Lean Actual air-fuel ratio lean May occur Extremely rich or lean actual air-fuel ratio Gas leakage from exhaust system D Rich Rich Actual air-fuel ratio lean - Extremely rich or lean actual air-fuel ratio Gas leakage from exhaust system Lean: During Control the Injection Volume for A/F Sensor, the air fuel ratio sensor output voltage (AFS Voltage B1S1 or AFS Voltage B2S1) is consistently higher than 3.4 V, and the heated oxygen sensor output voltage (O2S B1S2 or O2S B2S2) is consistently below 0.4 V. Rich: During Control the Injection Volume for A/F Sensor, the AFS Voltage B1S1 or AFS Voltage B2S1 is consistently below 3.1 V, and the O2S B1S2 or O2S B2S2 is consistently higher than 0.55 V. Lean/Rich: During Control the Injection Volume for A/F Sensor of the Active Test, the output voltage of the air fuel ratio sensor and heated oxygen sensor alternate correctly. B --> See step 7 C --> See step 5 D --> See step 6 A: Go to next step
3. 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 [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 8 OK: Go to next step
4. CHECK DTC OUTPUT (DTC P0420 AND/OR P0430) NOTE: When DTC P0420 is output, replace the exhaust manifold sub-assembly RH (TWC: Front catalyst) and the front exhaust pipe assembly (TWC: Rear catalyst) together when catalyst replacement is necessary. When DTC P0430 is output, replace the exhaust manifold sub-assembly LH (TWC: Front catalyst) and the front exhaust pipe assembly (TWC: Rear catalyst) together when catalyst replacement is necessary. HINT: Confirm the replacement parts, referring to the illustration in the Catalyst Location. 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 Result Proceed to DTC P0420 is output A, C DTC P0430 is output B, C DTC P0420 and P0430 are output A, B, C A --> See step 14 B --> See step 15 C --> See step 16
5. 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 [03/2012 - ]»(ref-600436-S34722863312014022400000) . OK --> See step 9 NG --> See step 8
6. 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 [03/2012 - ]»(ref-600436-S34722863312014022400000) . OK --> See step 10 NG --> See step 8
7. REPLACE AIR FUEL RATIO SENSOR Replace the air fuel ratio sensor. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S34342609552014022400000) . HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT --> See step 11
8. REPAIR OR REPLACE EXHAUST GAS LEAK POINT Repair or replace exhaust gas leak point. HINT: Perform "Inspection After Repair" after repairing or replacing the exhaust system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT --> See step 11
9. REPLACE HEATED OXYGEN SENSOR Replace the heated oxygen sensor. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S26113396882014022400000) . HINT: Perform "Inspection After Repair" after replacing the heated oxygen sensor. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT --> See step 11
10. CHECK CAUSE OF EXTREMELY RICH OR LEARN ACTUAL AIR FUEL RATIO Check the cause of extremely rich or lean actual air fuel ratio, referring to the DTC P0171 Inspection Procedure. Refer to «DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1); DTC P0174: System Too Lean (Bank 2); DTC P0175: System Too Rich (Bank 2); DTC P1170: Port Injector Fuel Performance; DTC P117B: Direct Injector Fuel Performance»(ref-600582-S18965104442014022400000) . NEXT: Go to next step
11. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. 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. Result Result Proceed to DTC P0420 and/or P0430 is output A DTC is not output B B --> END A: Go to next step
12. CHECK DTC OUTPUT (DTC P0420 AND/OR P0430) NOTE: When DTC P0420 is output, replace the exhaust manifold sub-assembly RH (TWC: Front catalyst) and the front exhaust pipe assembly (TWC: Rear catalyst) together when catalyst replacement is necessary. When DTC P0430 is output, replace the exhaust manifold sub-assembly LH (TWC: Front catalyst) and the front exhaust pipe assembly (TWC: Rear catalyst) together when catalyst replacement is necessary. HINT: Confirm the replacement parts, referring to the illustration in the Catalyst Location. 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 Result Proceed to DTC P0420 is output A, C DTC P0430 is output B, C DTC P0420 and P0430 are output A, B, C A --> See step 14 B --> See step 15 C --> See step 16
13. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [03/2012 - ]»(ref-600436-S04366444592014022400000)
14. REPLACE EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: FRONT CATALYST). Refer to «REMOVAL [03/2012 - ]»(ref-600587-S35960655032014022400000)
15. REPLACE EXHAUST MANIFOLD SUB-ASSEMBLY LH (TWC: FRONT CATALYST). Refer to «REMOVAL [03/2012 - ]»(ref-600587-S35960655032014022400000)
16. REPLACE FRONT EXHAUST PIPE ASSEMBLY (TWC: REAR CATALYST). Refer to «REMOVAL [03/2012 - ]»(ref-600587-S36014122452014022400000)

"Saturated" indicates that the EVAP pressure change is less than 0.286 kPa(gauge) [2.145 mmHg(gauge)] in 60 seconds.

Refer to Checking Monitor Status. Refer to CHECKING MONITOR STATUS [03/2012 - ] .

Note. The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 18 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 more, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the fuel temperature less than 35°C (95°F).

1. Connect the Techstream to the DLC3.
2. Turn the power 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 power switch off and wait for at least 30 seconds.
5. Turn the power 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: P043E, P043F, P2401, P2402 or P2419.
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 [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

KEY-OFF MONITOR

PURGE FLOW MONITOR

PURGE VSV STUCK OPEN

PURGE VSV STUCK CLOSED

PURGE FLOW

Refer to Checking Monitor Status. Refer to CHECKING MONITOR STATUS [03/2012 - ] .

1. Connect the Techstream to the DLC3.
2. Turn the power 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 power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
7. Start the engine and wait 15 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: P0441.
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 You should 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. NOTE: The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 18 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 less than 35°C (95°F).
13. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
14. Turn the power switch off and wait for at least 30 seconds.
15. Turn the power switch on (IG) and turn the Techstream on.
16. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
17. After the Evaporative System Check is completed, check for All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
18. Input the DTC: P0441.
19. 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.
20. 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 [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

P0451: NOISE MONITORING

P0451: STUCK MONITORING

P0452 AND P0453

P0451: CANISTER PRESSURE SENSOR NOISE MONITORING

P0451: CANISTER PRESSURE SENSOR STUCK MONITORING

P0452: CANISTER PRESSURE SENSOR LOW VOLTAGE

P0453: CANISTER PRESSURE SENSOR HIGH VOLTAGE

Note. The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 18 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 less than 35°C (95°F).

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Enter the following menus: Powertrain / Engine and ECT / Data List / Intake Air.
4. Check that the intake air temperature is between 4.4 and 50°C (40 and 122°F).
5. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
6. Turn the power switch off and wait for at least 30 seconds.
7. Turn the power switch on (IG) and turn the Techstream on.
8. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
9. After the Evaporative System Check is completed, check for All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
10. Input the DTC: P0451, P0452 or P0453.
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 [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 178

P0455: EVAP GROSS LEAK

P0456: EVAP SMALL LEAK

Refer to Checking Monitor Status. Refer to CHECKING MONITOR STATUS [03/2012 - ] .

Note. The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 18 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 less than 35°C (95°F).

1. Connect the Techstream to the DLC3.
2. Turn the power 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 power switch off and wait for at least 30 seconds.
5. Turn the power 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: P0455 or P0456.
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 [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 179

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on [A].
6. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary / Coolant Temp.
7. Start the engine and warm it up until the engine coolant temperature is 70°C(158°F) or higher with all the accessories off [B].
8. Turn the power switch off and wait for at least 30 seconds [C].
9. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
10. Turn the power switch on (IG) and turn the Techstream on [D].
11. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
12. Turn the power switch on (READY) and race the engine for 5 seconds with the shift lever in P [E]. HINT: In order to keep the idling stable, turn off the A/C and all other electric loads and do not perform any shift operations.
13. Allow the engine to idle for 5 minutes or more [F]. HINT: In order to keep the idling stable, turn off the A/C and all other electric loads and do not perform any shift operations.
14. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [G].
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: P0505.
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 [D] and [F].
19. Accelerate the vehicle to a speed of 10 km/h (6.25 mph) or more, and then decelerate to a stop [H].
20. Race the engine for 5 seconds or more with the shift lever in P, and then allow the engine to idle for 20 seconds or more [I].
21. Repeat step [H] and [I] 10 times.
22. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
23. 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.
24. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness [J].
25. Input the DTC: P0505.
26. 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.
27. 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 [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0505) 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 Result Proceed to DTC P0505 is output A DTC P0505 and other DTCs are output B HINT: If any DTCs other than P0505 are output, troubleshoot those DTCs first. B --> See step 6 A: Go to next step
2. CHECK PCV HOSE CONNECTIONS Check the PCV hose connections. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 2»(ref-600586-S38758733722014022400000) . OK PCV valve and hose are connected correctly and are not damaged. NG --> REPAIR OR REPLACE PCV HOSE OK: Go to next step
3. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600585-S16933462382014022400000) . OK No leaks in the intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> REPAIR OR REPLACE INTAKE SYSTEM OK: Go to next step
4. CHECK THROTTLE BODY WITH MOTOR ASSEMBLY (THROTTLE VALVE) Check the throttle body with motor assembly condition. OK Throttle valve is not contaminated with foreign objects and moves smoothly. HINT: Perform "Inspection After Repair" after replacing the throttle body with motor assembly. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 7 OK: Go to next step
5. CHECK WHETHER DTC OUTPUT RECURS (DTC P0505) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG). 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 / Trouble Codes. Read the pending DTCs. Result Result Proceed to DTC P0505 is output A DTC is not output B B --> END A --> See step 8
6. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [03/2012 - ]»(ref-600436-S04366444592014022400000)
7. REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S21240872952014022400000)
8. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
7. Check that "Coolant Temp" in the Data List is within the range of -10 to 50°C (14 to 122°F).
8. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
9. Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data.
10. Idle the engine for 1 minute or more.
11. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
12. Read the pending DTC. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
13. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
14. Input the DTC: P050A.
15. 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 ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or N/A, idle the engine for 3 minutes, let the engine cool down, and then perform steps again.
16. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P050A) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following the menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Result Result Proceed to DTC P050A is output A DTC P050A and other DTCs are output B HINT: If any DTCs other than P050A are output, troubleshoot those DTCs first. B --> See step 21 A: Go to next step
2. READ VALUE USING TECHSTREAM (FUEL TRIM) HINT: Calculate the total fuel trim values to check the characteristic deviation of the mass air flow meter. Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / A/F Control System / Short FT #1, Long FT #1, Short FT #2 and Long FT #2. Read the values displayed on the Techstream at engine idles. Add together the Short FT #1 and Long FT #1 values, and the Short FT #2 and Long FT #2 values to obtain the total fuel trim. OK The total of the Short FT #1 and Long FT #1 values, and the total of the Short FT #2 and Long FT #2 values is between -20 % and 20 %. NG --> See step 5 OK: Go to next step
3. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (THROTTLE VALVE) Inspect that there are no deposits around the throttle valve and throttle valve condition. OK No deposits around throttle valve and throttle valve moves smoothly. RESULT Result Proceed to NG A OK B B --> See step 15 A: Go to next step
4. REPAIR OR REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY Repair or replace the throttle body with motor assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S21240872952014022400000) . HINT: Perform "Inspection After Repair" after repairing or replacing the throttle body with motor assembly. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT --> See step 14
5. CHECK PCV SYSTEM Check the PCV hose connections. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 2»(ref-600586-S38758733722014022400000) . OK PCV valve and hose are connected correctly and are not damaged. NG --> See step 10 OK: Go to next step
6. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600585-S16933462382014022400000) . OK No leaks in intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 11 OK: Go to next step
7. CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Visually check that the air cleaner filter element sub-assembly is not excessively contaminated with dirt or oil. OK Air cleaner filter element is not excessively contaminated with dirt or oil. NG --> See step 12 OK: Go to next step
8. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE VVT LINEAR (BANK 1 OR BANK 2)) Operate the VVT system through the Active test, and check if the VVT system is operating normally. Perform the Active Test, referring to DTC P0011 Inspection Procedure (VVT system for intake camshaft). Refer to «PROCEDURE - Step 2»(ref-600581-S31303881242014022400000) . Perform the Active Test, referring to DTC P0014 Inspection Procedure (VVT system for exhaust camshaft). Refer to «PROCEDURE - Step 2»(ref-600581-S42936038182014022400000) . NG --> See step 13 OK: Go to next step
9. READ VALUE USING TECHSTREAM (MAF) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / MAF, Coolant Temp and Engine Speed. Allow the engine to idle until Coolant Temp reaches 75°C (167°F) or higher. Read MAF with the engine speed at 2500 rpm. Standard Between 8.5 gm/sec and 12.5 gm/sec (shift lever: P, A/C: Off). OK --> See step 15 NG --> See step 16
10. REPAIR OR REPLACE PCV HOSE Repair or replace the PCV valve or hose. NEXT --> See step 14
11. REPAIR OR REPLACE INTAKE SYSTEM Repair or replace the intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT --> See step 14
12. REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Replace the air cleaner filter element sub-assembly. NEXT --> See step 14
13. CHECK AND REPAIR VVT SYSTEM Check and repair the VVT system. HINT: Refer to DTC P0011 Inspection Procedure (VVT system for intake camshaft). Refer to «INSPECTION PROCEDURE»(ref-600581-S29566016692014022400000) . Refer to DTC P0014 Inspection Procedure (VVT system for exhaust camshaft). Refer to «INSPECTION PROCEDURE»(ref-600581-S15454906752014022400000) . NEXT: Go to next step
14. CHECK WHETHER DTC OUTPUT RECURS (DTC P050A) NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp. Check that the engine coolant temperature is between -10 and 60°C (14 and 140°F). Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P050A. Check the DTC judgment result. Result Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050A is output) B B --> See step 16 A --> END
15. CHECK WHETHER DTC OUTPUT RECURS (DTC P050A) NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp. Check that the engine coolant temperature is between -10 and 60°C (14 and 140°F). Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P050A. Check the DTC judgment result. Result Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050A is output) B B --> See step 16 A --> See step 22
16. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR CONNECTION) Check the connection and terminal contact pressure of connectors and wire harnesses between the mass air flow meter and ECM. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE [03/2012 - ]»(ref-600412-S14934915652014022400000) . HINT: Repair any problems. NEXT: Go to next step
17. CHECK WHETHER DTC OUTPUT RECURS (DTC P050A) NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp. Check that the engine coolant temperature is between -10 and 60°C (14 and 140°F). Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P050A. Check the DTC judgment result. Result Result Proceed to ABNORMAL (DTC P050A is output) A NORMAL (DTC is not output) B B --> END A: Go to next step
18. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM). Refer to «PROCEDURE - Step 3»(ref-600581-S37072185802014022400000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
19. REPLACE MASS AIR FLOW METER Replace the mass air flow meter. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S07874133562014022400000) . HINT: If the result of the inspection performed in step 9 indicated no problem, proceed to the next step without replacing the mass air flow meter. Perform "Inspection After Repair" after replacing the mass air flow meter. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT: Go to next step
20. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp. Check that the engine coolant temperature is between -10 and 60°C (14 and 140°F). Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P050A. Check the DTC judgment result. Result Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050A is output) B B --> See step 23 A --> END
21. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [03/2012 - ]»(ref-600436-S04366444592014022400000)
22. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [03/2012 - ]»(ref-600436-S08790525922014022400000)
23. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
7. Check that "Coolant Temp" in the Data List is within the range of -10 to 50°C (14 to 122°F).
8. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) .
9. Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data.
10. Idle the engine for 1 minute or more.
11. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
12. Read the pending DTC. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
13. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
14. Input the DTC: P050B.
15. 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's memory limit HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or N/A, idle the engine for 3 minutes, let the engine cool down, and then perform steps again.
16. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P050B) 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 Result Proceed to DTC P050B is output A DTC P050B and other DTCs are output B HINT: If any DTCs other than P050B are output, troubleshoot those DTCs first. B --> See step 21 A: Go to next step
2. READ VALUE USING TECHSTREAM (FUEL TRIM) HINT: Calculate the total fuel trim values to check the characteristic deviation of the mass air flow meter. Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Short FT #1, Long FT #1, Short FT #2 and Long FT #2. Read the values displayed on the Techstream. Add together the Short FT #1 and Long FT #1 values, and the Short FT #2 and Long FT #2 values to obtain the total fuel trim. OK The total of the Short FT #1 and Long FT #1 values, and the total of the Short FT #2 and Long FT #2 values is between -20 % and 20 %. NG --> See step 5 OK: Go to next step
3. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (THROTTLE VALVE) Inspect that there are no deposits around the throttle valve and throttle valve condition. OK No deposits around throttle valve and throttle valve moves smoothly. Result Result Proceed to NG A OK B B --> See step 15 A: Go to next step
4. REPAIR OR REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY Repair or replace throttle body with motor assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S21240872952014022400000) . HINT: Perform "Inspection After Repair" after repairing or replacing the throttle body with motor assembly. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT --> See step 14
5. CHECK PCV SYSTEM Check the PCV hose connections. Refer to «ON-VEHICLE INSPECTION [03/2012 - ] - Step 2»(ref-600586-S38758733722014022400000) . OK PCV valve and hose are connected correctly and are not damaged. NG --> See step 10 OK: Go to next step
6. CHECK INTAKE SYSTEM Check the intake system for vacuum leakage. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600585-S16933462382014022400000) . OK No leakage from intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NG --> See step 11 OK: Go to next step
7. CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Visually check that the air cleaner filter element is not excessively contaminated with dirt or oil. OK Air cleaner filter element is not excessively contaminated with dirt or oil. NG --> See step 12 OK: Go to next step
8. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE VVT LINEAR) Operate the VVT system through the Active test, and check if the VVT system is operating normally. Perform the Active Test, referring to DTC P0011 Inspection Procedure (VVT system for intake camshaft). Refer to «PROCEDURE - Step 2»(ref-600581-S31303881242014022400000) . Perform the Active Test, referring to DTC P0014 Inspection Procedure (VVT system for exhaust camshaft). Refer to «PROCEDURE - Step 2»(ref-600581-S42936038182014022400000) . NG --> See step 13 OK: Go to next step
9. READ VALUE USING TECHSTREAM (MAF) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / MAF and Coolant Temp. Allow the engine to idle until Coolant Temp reaches 75°C (167°F) or higher. Read MAF with the engine speed at 2500 rpm. Standard Between 8.5 gm/sec and 12.5 gm/sec (shift lever: P, A/C: Off). OK --> See step 15 NG --> See step 16
10. REPAIR OR REPLACE PCV HOSE Repair or replace the PCV valve or hose. NEXT --> See step 14
11. REPAIR OR REPLACE INTAKE SYSTEM Repair or replace the intake system. HINT: Perform "Inspection After Repair" after repairing or replacing the intake system. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT --> See step 14
12. REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Replace the air cleaner filter element sub-assembly. NEXT --> See step 14
13. CHECK AND REPAIR VVT SYSTEM Check and repair the VVT system. HINT: Refer to DTC P0011 Inspection Procedure (VVT system for intake camshaft). Refer to «INSPECTION PROCEDURE»(ref-600581-S29566016692014022400000) . Refer to DTC P0014 Inspection Procedure (VVT system for exhaust camshaft). Refer to «INSPECTION PROCEDURE»(ref-600581-S15454906752014022400000) . NEXT: Go to next step
14. CHECK WHETHER DTC OUTPUT RECURS (DTC P050B) NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp. Check that the engine coolant temperature is between -10 and 50°C (14 and 122°F) Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P050B. Check the DTC judgment result. Result Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050B is output) B B --> See step 16 A --> END
15. CHECK WHETHER DTC OUTPUT RECURS (DTC P050B) NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp. Check that the engine coolant temperature is between -10 and 50°C (14 and 122°F) Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P050B. Check the DTC judgment result. Result Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050B is output) B B --> See step 16 A --> See step 22
16. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR CONNECTION) Check the connection and terminal contact pressure of connectors and wire harnesses between the mass air flow meter and ECM. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE [03/2012 - ]»(ref-600412-S14934915652014022400000) . HINT: Repair any problems. NEXT: Go to next step
17. CHECK WHETHER DTC OUTPUT RECURS (DTC P050B) NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp. Check that the engine coolant temperature is between -10 and 50°C (14 and 122°F) Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P050B. Check the DTC judgment result. Result Result Proceed to ABNORMAL (DTC P050B is output) A NORMAL (DTC is not output) B B --> END A: Go to next step
18. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM). Refer to «PROCEDURE - Step 3»(ref-600581-S37072185802014022400000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
19. REPLACE MASS AIR FLOW METER Replace the mass air flow meter. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S07874133562014022400000) . HINT: If the result of the inspection performed in step 9 indicated no problem, proceed to the next step without replacing the mass air flow meter. Perform "Inspection After Repair" after replacing the mass air flow meter. Refer to «INITIALIZATION [03/2012 - ]»(ref-600436-S34722863312014022400000) . NEXT: Go to next step
20. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) . Turn the power switch off and wait for at least 30 seconds. Turn the power switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp. Check that the engine coolant temperature is between -10 and 50°C (14 and 122°F). Put the engine in inspection mode (maintenance mode). Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . Start the engine and warm it up until the engine coolant temperature is the same as the engine coolant temperature in the freeze frame data. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Input the DTC: P050B. Check the DTC judgment result. Result Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050B is output) B B --> See step 23 A --> END
21. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [03/2012 - ]»(ref-600436-S04366444592014022400000)
22. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [03/2012 - ]»(ref-600436-S08790525922014022400000)
23. REPLACE ECM. Refer to «REMOVAL [03/2012 - ]»(ref-600565-S01816401622014022400000)

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600436-S38423165432014022400000) .
4. Turn the power switch off and wait for at least 30 seconds.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Wait 5 seconds or more.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
8. Read 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: P0560.
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's 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 test 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 [03/2012 - ]»(ref-600436-S38423165432014022400000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

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