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Pgm-Fi System: Diagnosis Honda Insight ZE2 рестайлинг

Testing & Diagnostics 34 illustrations ~7133 words

DTC P050A: Cold Start Idle Air Control System Performance Problem

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

  1. Turn the ignition switch to ON (II).
  2. Check for Pending or Confirmed DTCs with the HDS. Are any Pending or Confirmed DTCs other than P050A indicated? YES -Go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) . NO -Go to step 3.
  3. Check for a blocked or an incorrectly installed intake air duct. Is it OK? YES -Go to step 4. NO -Reconnect or repair the intake air duct, then go to step 19 .
  4. Check for damage at the air cleaner housing. Is it OK? YES -Go to step 5. NO -Replace the air cleaner housing (see «AIR CLEANER REMOVAL/INSTALLATION»(ref-513163-S20686336082012110700000) ), then go to step 19 .
  5. Check for dirt or debris in the air cleaner element. Is it dirty? YES -Replace the air cleaner element or remove the debris (see «AIR CLEANER ELEMENT INSPECTION/REPLACEMENT»(ref-513163-S39791316032012110700000) ), then go to step 19 . NO -Go to step 6.
  6. Let the engine cool until the value of ECT SENSOR 1 is 122°F (50°C) or less.
  7. Clear the DTC with the HDS.
  8. Start the engine, and let it idle for 10 seconds or more.
  9. Monitor the OBD STATUS for DTC P050A in the DTCs MENU with the HDS. Does the HDS indicate FAILED? YES -Go to step 10. NO -If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the throttle body, the MAF sensor/IAT sensor, and the PCM. If the HDS indicates EXECUTING, keep idling until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 6 .
  10. Do the ETCS TEST in the INSPECTION MENU with the HDS. Is the THROTTLE ACTUATOR CONTROL VALVE normal? YES -Go to step 11. NO -Replace the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-513163-S12903280352012110700000) ), then go to step 19 .
  11. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  12. While holding the engine speed at 2, 500 rpm for 30 seconds, check the MAF SENSOR in the DATA LIST with the HDS. Is there about 4.2-5.2 gm/s? YES -Go to step 13. NO -Replace the MAF sensor/IAT sensor (see «MAF SENSOR/IAT SENSOR REPLACEMENT»(ref-513153-S30292750782012110700000) ), then go to step 19 .
  13. Turn the ignition switch to LOCK (0).
  14. Allow the engine to cool to the ambient temperature.
  15. Note the ambient temperature.
  16. Turn the ignition switch to ON (II).
  17. Note the value of the IAT SENSOR (2) quickly in the DATA LIST with the HDS.
  18. Compare the value of the IAT SENSOR (2) and the ambient temperature. Does the value of me IAT SENSOR (2) differ 5.4°F(3°C) or more from the ambient temperature? YES -Replace the MAF sensor/IAT sensor (see «MAF SENSOR/IAT SENSOR REPLACEMENT»(ref-513153-S30292750782012110700000) ), then go to step 19. NO -Check for dirt, carbon, or damage in the throttle bore. If there is dirt or carbon, clean the throttle body (see «THROTTLE BODY TEST»(ref-513163-S00568422612012110700000) ), then go to step 19. If there is damage in the throttle bore, replace the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-513163-S12903280352012110700000) ), then go to step 19.
  19. Turn the ignition switch to ON (II).
  20. Reset the PCM with the HDS.
  21. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-513173-S16164063582012110700000) ).
  22. Let the engine cool until the value of ECT SENSOR 1 is 122°F (50°C) or less.
  23. Start the engine, and let it idle for 10 seconds or more.
  24. Check for Pending or Confirmed DTCs with the HDS. Is DTC P050A indicated? YES -Check for poor connections or loose terminals at the throttle body, the MAF sensor/IAT sensor, and the PCM, then go to step 1 . NO -Go to step 25.
  25. Monitor the OBD STATUS for DTC P050A in the DTCs MENU with the HDS. Does the HDS indicate PASSED? YES -Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 24 , go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) . NO -If the HDS indicates FAILED, check for poor connections or loose terminals at the throttle body, the MAF sensor/IAT sensor, and the PCM, then go to step 1 . If the HDS indicates EXECUTING, keep idling until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 22 .

DTC P050B: Cold Start Ignition Timing Control System Performance Problem

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

  1. Turn the ignition switch to ON (II).
  2. Check for Pending or Confirmed DTCs with the HDS. Are any Pending or Confirmed DTCs other than P050B indicated? YES -Go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) . NO -Go to step 3.
  3. Check for a blocked or an incorrectly installed intake air duct. Is it OK? YES -Go to step 4. NO -Reconnect or repair the intake air duct, then go to step 21 .
  4. Check for damage at the air cleaner housing. Is it OK? YES -Go to step 5. NO -Replace the air cleaner housing (see «AIR CLEANER REMOVAL/INSTALLATION»(ref-513163-S20686336082012110700000) ), then go to step 21 .
  5. Check for dirt or debris in the air cleaner element. Is it dirty? YES -Replace the air cleaner element or remove the debris (see «AIR CLEANER ELEMENT INSPECTION/REPLACEMENT»(ref-513163-S39791316032012110700000) ), then go to step 21 . NO -Go to step 6.
  6. Let the engine cool until the value of ECT SENSOR 1 is 122°F(50°C) or less.
  7. Clear the DTC with the HDS.
  8. Start the engine, and let it idle for 10 seconds or more.
  9. Monitor the OBD STATUS for DTC P050B in the DTCs MENU with the HDS. Does the HDS indicate FAILED? YES -Go to step 10. NO -If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM. If the HDS indicates EXECUTING, keep idling until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 6 .
  10. Inspect the ignition timing (see «IGNITION TIMING INSPECTION»(ref-513165-S36048888522012110700000) ). Is the ignition timing OK? YES -Go to step 12 . NO -Go to step 11.
  11. Check for damage at the CKP sensor (see «CKP SENSOR REPLACEMENT»(ref-513153-S20163972122012110700000) ) and the CKP pulse plate (see «CKP PULSE PLATE REPLACEMENT»(ref-513183-S16654934152012110700000) ). Is the CKP sensor and/or the CKP pulse plate damaged? YES -Replace the CKP sensor (see «CKP SENSOR REPLACEMENT»(ref-513153-S20163972122012110700000) ) and/or the CKP pulse plate (see «CKP PULSE PLATE REPLACEMENT»(ref-513183-S16654934152012110700000) ), then go to step 21 . NO -Go to step 28 .
  12. Do the ETCS TEST in the INSPECTION MENU with the HDS. Is the THROTTLE ACTUATOR CONTROL VALVE normal? YES -Go to step 13. NO -Replace the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-513163-S12903280352012110700000) ), then go to step 21 .
  13. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  14. While holding the engine speed at 2, 500 rpm for 30 seconds, check the MAF SENSOR in the DATA LIST with the HDS. Is there about 4.2-5.2 gm/s? YES -Go to step 15. NO -Replace the MAF sensor/IAT sensor (see «MAF SENSOR/IAT SENSOR REPLACEMENT»(ref-513153-S30292750782012110700000) ), then go to step 21 .
  15. Turn the ignition switch to LOCK (0).
  16. Allow the sensors to cool to the ambient temperature.
  17. Note the ambient temperature.
  18. Turn the ignition switch to ON (II).
  19. Note the value of ECT SENSOR 1 and ECT SENSOR 2 quickly in the DATA LIST with the HDS.
  20. Compare the value of ECT SENSOR 1 and the ambient temperature, and the value of ECT SENSOR 2 and the ambient temperature individually. Does either sensor differ more than 5.4°F (3°C) from the ambient temperature? YES -Replace the sensor that differed more than 5.4°F (3°C) from the ambient temperature, then go to step 21. NO -Check and repair any problems with the following items. Repair or replace them if needed, then go to step 21. If all of the items are OK, go to step 28 . Engine compression and cylinder leakdown VTEC system Engine oil A/C system Power steering
  21. Turn the ignition switch to ON (II).
  22. Reset the PCM with the HDS.
  23. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-513173-S16164063582012110700000) ).
  24. Let the engine cool until the value of ECT SENSOR 1 is 122°F(50°C) or less.
  25. Start the engine, and let it idle for 10 seconds or more.
  26. Check for Pending or Confirmed DTCs with the HDS. Is DTC P050B indicated? YES -Check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM, then go to step 1 . NO -Go to step 27.
  27. Monitor the OBD STATUS for DTC P050B in the DTCs MENU with the HDS. Does the HDS indicate PASSED? YES -Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 26 , go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) . NO -If the HDS indicates FAILED, check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM, then go to step 1 . If the HDS indicates EXECUTING, keep idling until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 24 .
  28. Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ).
  29. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-513173-S16164063582012110700000) ).
  30. Let the engine cool until the value of ECT SENSOR 1 is 122°F(50°C) or less.
  31. Start the engine, and let it idle for 10 seconds or more.
  32. Check for Pending or Confirmed DTCs with the HDS. Is DTC P050B indicated? YES -Check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then go to step 30 . If the PCM was substituted, go to step 1 . NO -Go to step 33.
  33. Monitor the OBD STATUS for DTC P050B in the DTCs MENU with the HDS. Does the HDS indicate PASSED? YES -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ). If any other Pending or Confirmed DTCs were indicated in step 32 , go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) . NO -If the HDS indicates FAILED, check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then go to step 30 . If the PCM was substituted, go to step 1 . If the HDS indicates EXECUTING, keep idling until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 30 .

DTC P060A: PCM Internal Control Module Malfunction

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Check for Pending or Confirmed DTCs with the HDS. Is DTC P060A indicated? YES -Go to step 4. NO -Intermittent failure, the system is OK at this time.
  4. Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ).
  5. Check for Pending or Confirmed DTCs with the HDS. Is DTC P060A indicated? YES -If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then recheck. If the PCM was substituted, go to step 1 . NO -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ). If any other Pending or Confirmed DTCs are indicated, go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) .

DTC P062F: PCM Internal Control Module Keep Alive Memory (KAM) Error

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Check for Pending or Confirmed DTCs with the HDS. Is DTC P062F indicated? YES -Go to step 4. NO -Intermittent failure, the system is OK at this time.
  4. Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ).
  5. Check for Pending or Confirmed DTCs with the HDS. Is DTC P062F indicated? YES -If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then recheck. If the PCM was substituted, go to step 1 . NO -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ). If any other Pending or Confirmed DTCs are indicated, go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) .

DTC P06A8: Internal VCC Power Malfunction

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Check for Pending or Confirmed DTCs with the HDS. Is DTC P06A8 indicated? YES -Go to step 4. NO -Intermittent failure, the system is OK at this time.
  4. Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ).
  5. Check for Pending or Confirmed DTCs with the HDS. Is DTC P06A8 indicated? YES -If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then recheck. If the PCM was substituted, go to step 1 . NO -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ). If any other Pending or Confirmed DTCs are indicated, go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) .

DTC P219A: Air-fuel ratio variation of cylinders

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ). If any of the DTCs listed below are indicated at the same time as DTC P219A, troubleshoot those DTCs first, then recheck for P219A. P0133, P1157, P1172, P2195, P2238, P2252, P2A00: A/F sensor(Sensor 1) P0134, P0135: A/F sensor (Sensor 1) heater P0201, P0202, P0203, P0204: No. 1 - No. 4 cylinder injector(s) P0300: Random misfire P0301, P0302, P0303, P0304: No. 1, No. 2, No. 3, or No. 4 cylinder misfire detected P0351, P0352: ignition coil power circuit P0400, P0401, P0404, P0406, P2413: EGR system If the engine speed fluctuates at highway speeds, the EGR line may be blocked by carbon or sludge.

  1. Turn the ignition switch to ON (II).
  2. Record following HDS parameters (On-board snapshot): VEHICLE SPEED ENGINE SPEED MAP SENSOR ECT SENSOR 1 APP SENSOR AF FB (ST FUEL TRIM) EGR COMMAND EGR LIFT
  3. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  4. Check under these conditions: A/C off All electrical loads off
  5. Do the Cylinder AF Test three times in the INSPECTION MENU with the HDS. Is the result OK? YES -Go to step 6. NO -Go to step 9 .
  6. Clear the DTC with the HDS.
  7. Test-drive the vehicle in the range of these recorded on-board snapshot parameters: VEHICLE SPEED ENGINE SPEED MAP SENSOR ECT SENSOR 1 APP SENSOR AF FB (ST FUEL TRIM) EGR COMMAND EGR LIFT
  8. Monitor the OBD STATUS for DTC P219A in the DTCs MENU with the HDS. Does the HDS indicate FAILED? YES -Go to step 20 . NO -If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates EXECUTING, keep driving until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 7 and recheck.
  9. Do a cylinder compression test (see «ENGINE COMPRESSION INSPECTION»(ref-513166-S42132265172012110700000) ). Is the compression of the problem cylinder lower than the other cylinders? YES -Adjust the engine compression (see «ENGINE COMPRESSION INSPECTION»(ref-513166-S42132265172012110700000) ), then go to step 23 . NO -Go to step 10.
  10. Inspect the valve clearance (see «VALVE CLEARANCE ADJUSTMENT»(ref-513166-S07285389322012110700000) ). Is the valve clearance OK? YES -Go to step 11. NO -Adjust the valve clearance (see «VALVE CLEARANCE ADJUSTMENT»(ref-513166-S07285389322012110700000) ), then go to step 11.
  11. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  12. Check under these conditions: A/C off All electrical loads off
  13. Do the Cylinder AF Test three times in the INSPECTION MENU with the HDS. Is the result OK? YES -Go to step 23 . NO -Go to step 14.
  14. Turn the ignition switch to LOCK (0).
  15. Exchange the injector from the problem cylinder with one from the another cylinder.
  16. Reconnect all connectors.
  17. Start the engine, and let it idle for 10 minutes.
  18. Check under these conditions: A/C off All electrical loads off
  19. Do the Cylinder AF Test three times in the INSPECTION MENU with the HDS. Is an injector failure indicated at the cylinder where the injector was exchanged? YES -Replace the faulty injector (see «INJECTOR REPLACEMENT»(ref-513153-S12181819972012110700000) ), then go to step 23 . NO -Go to step 22 .
  20. Inspect the valve clearances (see «VALVE CLEARANCE ADJUSTMENT»(ref-513166-S07285389322012110700000) ). Are the valve clearances OK? YES -Go to step 21. NO -Adjust the valve clearances (see «VALVE CLEARANCE ADJUSTMENT»(ref-513166-S07285389322012110700000) ), then go to step 23 and recheck. If DTC P219A is indicated go to step 21. If DTC P219A is not indicated, troubleshooting is complete.
  21. Check for a carbon or sludge in the EGR line. Is there a carbon or sludge? YES -Clean the intake manifold EGR port (see «EGR VALVE REPLACEMENT»(ref-513186-S18122158842012110700000) ) and the EGR pipe with throttle plate cleaner (see «EGR PIPE REMOVAL AND INSTALLATION»(ref-513186-S33806646082012110700000) ). Also, clean the passage inside the EGR valve with throttle plate cleaner, then go to step 23 . NO -Go to step 22.
  22. Check for carbon build-up in the intake manifold (see «INTAKE MANIFOLD REMOVAL AND INSTALLATION»(ref-513161-S12220801572012110700000) ), and the exhaust line (see «EXHAUST PIPE AND MUFFLER REPLACEMENT»(ref-513161-S39978018712012110700000) ). Is there carbon build-up in the intake manifold and/or the cylinder head? YES -Remove the carbon, then go to step 23. NO -Check the engine for oil leaks. If needed, repair the engine, then go to step 23. NOTE: If engine oil burning occurs, this code can be stored.
  23. Turn the ignition switch to ON (II).
  24. Reset the PCM with the HDS.
  25. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-513173-S16164063582012110700000) ).
  26. Test-drive the vehicle in the range of these recorded on-board snapshot parameters: VEHICLE SPEED ENGINE SPEED MAP SENSOR ECT SENSOR 1 APP SENSOR AF FB (ST FUEL TRIM) EGR COMMAND EGR LIFT
  27. Check for Pending or Confirmed DTCs with the HDS. Is DTC P219A indicated? YES -Check for poor connections or loose terminals at the injectors and the PCM, then go to step 1 . NO -Go to step 28.
  28. Monitor the OBD STATUS for DTC P219A in the DTCs MENU with the HDS. Does the HDS indicate PASSED? YES -Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 27 , go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) . NO -If the HDS indicates FAILED, go to step 1 and recheck. If the HDS indicates EXECUTING, keep driving until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 26 .

DTC P2A00: A/F Sensor (Sensor 1) Range/Performance Problem

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  4. Test-drive under these conditions: Engine coolant temperature (ECT SENSOR 1) above 158°F(70°C) Transmission in D Vehicle speed between 25- 55 mph (40-88 km/h) for 5 minutes Drive at a steady speed between 55-75 mph (88-120 km/h) for 10 seconds, then decelerate (with the throttle fully closed) for 10 seconds
  5. Monitor the OBD STATUS for DTC P2A00 in the DTCs MENU with the HDS. Does the HDS indicate FAILED? YES -Go to step 6. NO -If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM. If the HDS indicates EXECUTING, keep driving until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 3 and recheck.
  6. Turn the ignition switch to LOCK (0).
  7. Replace the A/F sensor (Sensor 1) (see «A/F SENSOR REPLACEMENT»(ref-513153-S42837029252012110700000) ).
  8. Turn the ignition switch to ON (II).
  9. Reset the PCM with the HDS.
  10. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-513173-S16164063582012110700000) ).
  11. Test-drive under these conditions: Engine coolant temperature (ECT SENSOR 1) above 158°F(70°C) Transmission in D Vehicle speed between 25-55 mph (40-88 km/h) for 5 minutes Drive at a steady speed between 55-75 mph (88-120 km/h) for 10 seconds, then decelerate (with the throttle fully closed) for 10 seconds
  12. Check for Pending or Confirmed DTCs with the HDS. Is DTC P2A00 indicated? YES -Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then go to step 1 . NO -Go to step 13.
  13. Monitor the OBD STATUS for DTC P2A00 in the DTCs MENU with the HDS. Does the HDS indicate PASSED? YES -Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 12 , go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) . NO -If the HDS indicates FAILED, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then go to step 1 . If the HDS indicates EXECUTING, keep driving until a result comes on. If the HDS indicates OUT OF CONDITION, go to step 11 .

DLC Circuit Troubleshooting

Note. If you suspect the HDS or HDS DLC cable may be the source of the communication problem, verify that they are working properly by connecting them to a known-good, like vehicle and system, and checking for communication problem.

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Scheme 422: DLC Circuit Troubleshooting

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  1. Turn the ignition switch to LOCK (0).
  2. Connect the HDS to the DLC (see «GENERAL TROUBLESHOOTING INFORMATION»(ref-513169-S26774795252012110700000) ).
  3. Turn the ignition switch to ON (II), and read the HDS. Does the HDS identify the vehicle? YES -Go to step 4. NO -Go to step 23 .
  4. Check for Pending or Confirmed DTCs in the PGM-FI system with the HDS. Are any Pending or Confirmed DTCs indicated? YES -Go to the indicated «DTC'S TROUBLESHOOTING»(ref-513153-S06499438282012110700000) . NO - If the HDS does not communicate with the SRS system, go to step 5. If the HDS does not communicate with the VSA system, go to step 7 . If the HDS does not communicate with the EPS system, go to step 9 . If the HDS does not communicate with the TPMS system, go to step 11 . If the HDS does not communicate with the IMMOBI (immobilizer) system, go to step 13 . If the HDS does not communicate with the BODY ELECTRICAL system, go to step 15 .
  5. Turn the ignition switch to LOCK (0).
  6. Turn the ignition switch to ON (II), and watch the SRS indicator. Does the SRS indicator come on and go off? YES -Go to step 17 . NO -Go to the SRS symptom troubleshooting for an SRS indicator that stays on with no stored DTCs (see «SRS INDICATOR STAYS ON, BUT NO DTCS ARE STORED, OR CANNOT BE READ»(ref-513177-S17317563232012110700000) ).
  7. Turn the ignition switch to LOCK (0).
  8. Turn the ignition switch to ON (II), and watch the VSA indicator. Does the VSA indicator come on and go off? YES -Go to step 17 . NO -Go to the VSA symptom troubleshooting for an ABS indicator, brake system indicator, and VSA indicator that do not go off (see «ABS INDICATOR, BRAKE SYSTEM INDICATOR (RED), VSA INDICATOR, AND BRAKE SYSTEM INDICATOR (AMBER) DO NOT GO OFF»(ref-513191-S09178858372012110700000) ).
  9. Turn the ignition switch to LOCK (0).
  10. Start the engine, and watch the EPS indicator. Does the EPS indicator come on and go off? YES -Go to step 17 . NO -Go to the EPS symptom troubleshooting for an EPS indicator that does not go off with no stored DTCs (see «EPS INDICATOR DOES NOT GO OFF, AND NO DTCS ARE STORED»(ref-513192-S07514673892012110700000) ).
  11. Turn the ignition switch to LOCK (0).
  12. Turn the ignition switch to ON (II), and watch the TPMS indicator. Does the TPMS indicator come on and go off? YES -Go to step 17 . NO -Go to the TPMS symptom troubleshooting for TPMS indicator does not go off, and no DTC stored (see «LOW TIRE PRESSURE/TPMS INDICATOR DOES NOT GO OFF, AND NO DTCS ARE STORED»(ref-513193-S32957658562012110700000) ).
  13. Turn the ignition switch to LOCK (0).
  14. Turn the ignition switch to ON (II), and watch the immobilizer indicator. Does the immobilizer indicator stay on or flash? YES -Go to the immobilizer system's troubleshooting (see «SYMPTOM TROUBLESHOOTING INFORMATION»(ref-513172-S30863382672012110700000) ). NO -Go to step 17 .
  15. Do the gauge self-diagnostic function (see «SELF-DIAGNOSTIC FUNCTION»(ref-513176-S11328941922012110700000) ).
  16. Check the gauge display. Is Error 2 indicated? YES -Check for B-CAN system DTCs. NO -Go to step 17.
  17. Turn the ignition switch to LOCK (0), then do the 12 volt battery terminal disconnection procedure (see «USING THE GR8 BATTERY DIAGNOSTIC STATION»(ref-513168-S03188703672012110700000) ), and wait at least 3 minutes before continuing.
  18. Disconnect the HDS from the DLC.
  19. Check for continuity between DLC terminal No. 7 and body ground. Is there continuity? YES -Go to step 20. NO -Go to step 21 .
  20. Continue to check for continuity between DLC terminal No. 7 and body ground, while disconnecting these parts, one at a time: SRS unit connector A (39P) VSA modulator-control unit 47P connector EPS control unit connector C (16P) TPMS control unit 20P connector Immobilizer-keyless control unit 7P connector Audio-navigation unit connector A (24P) Audio unit connector A (24P) Under-dash fuse/relay box connector Q (16P) Does continuity go away when one of the above connectors is disconnected? YES -Replace the part that caused continuity go away when it was disconnected. NO -Repair a short in the wire between the DLC (K-line) and the VSA modulator-control unit, the SRS unit, the EPS control unit, the immobilizer-keyless control unit, the audio-navigation unit, the audio unit, or the under-dash fuse/relay box.
  21. Connect DLC terminal No. 7 to body ground with a jumper wire.
  22. Check for continuity between body ground and these connector terminals: Connector Terminal SRS unit A(39P) No. 18 (BLU) VSA control unit 47P No. 10 (RED) EPS control unit C (16P) No. 16 (RED) TPMS control unit 20P No. 7 (BLU) Immobilizer-keyless control unit 7P No. 5 (BLU) Audio-navigation unit A (24P) No. 3 (BLU) Audio unit A (24P) No. 3 (BLU) Under-dash fuse/relay box Q(16P) No. 2 (BLU) Is there continuity between body ground and each of the terminals in the chart? YES -Replace the part that does not communicate with the HDS. NO -Repair an open in the wire between the DLC (K-line) and the appropriate connector.
  23. Check for B-CAN system DTCs without the HDS (see «GENERAL TROUBLESHOOTING INFORMATION»(ref-513195-S38825354482012110700000) ). Is DTC U0029 and/or U0100 indicated? YES -Go to step 34 . NO -Go to step 24.
  24. Turn the ignition switch to LOCK (0).
  25. Disconnect the HDS from the DLC.
  26. Measure the voltage between DLC terminal No. 16 and body ground. Is there battery voltage? YES -Go to step 27. NO -Repair an open in the wire between DLC terminal No. 16 and the No. 1 BACK UP (15A) fuse in the under-dash fuse/relay box.
  27. Measure the voltage between DLC terminals No. 4 and No. 16. Is there battery voltage? YES -Go to step 28. NO -Repair an open in the wire between DLC terminal No. 4 and body ground (G502) (see «CONNECTOR TO FUSE/RELAY BOX INDEX»(ref-513190-S04645343722012110700000) ).
  28. Connect the HDS to the DLC (see «GENERAL TROUBLESHOOTING INFORMATION»(ref-513169-S26774795252012110700000) ).
  29. Jump the SCS line with the HDS.
  30. Disconnect PCM connector A (49P).
  31. Disconnect the HDS from the DLC.
  32. Check for continuity between PCM connector terminal A3 and DLC terminal No. 6. Is there continuity? YES -Go to step 33. NO -Repair an open in the wire between the PCM (A3) and DLC terminal No. 6.
  33. Check for continuity between PCM connector terminal A4 and DLC terminal No. 14. Is there continuity? YES -Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ). NO -Repair an open in the wire between the PCM (A4) and DLC terminal No. 14.
  34. Try to start the engine. Does the engine start and idle smoothly? YES -Go to «F-CAN CIRCUIT TROUBLESHOOTING»(ref-513153-S19398115932012110700000) (see ). NO -Go to step 35.
  35. Turn the ignition switch to LOCK (0).
  36. Check the No. 60 IG SW (50 A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES -Repair an open in the wire between the No. 60 IG SW (50 A) fuse and the ignition switch. If the wire is OK go to step 37. NO -Repair a short in the wire between the No. 60 IG SW (50 A) fuse and the under-dash fuse/relay box. Also replace the No. 60 IG SW (50 A) fuse.
  37. Inspect the No. 39 IGP (15 A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES -Go to step 44 . NO -Go to step 38.
  38. Remove the blown No. 39 IGP (15 A) fuse from the under-dash fuse/relay box.
  39. Open the fuse access panel (A), then remove PGM-FI main relay 1 (B) from the under-dash fuse/relay box.
  40. Check for continuity between body ground and PGM-FI main relay 1 4P connector terminals No. 2 and No. 3 individually. Is there continuity? YES -Replace the under-dash fuse/relay box (USA model) (see «REMOVAL AND INSTALLATION»(ref-513189-S16875978532012110700000) ), (Canada model) (see «CANADA MODEL»(ref-513189-S10776284102012110700000) ). NO -Go to step 41.
  41. While disconnecting each of the parts or connectors below, one at a time, check for continuity between PGM-FI main relay 1 4P connector terminal No. 1 and body ground. PGM-FI main relay 2 PCM connector A (49P) Each injector 2P connector CMP sensor 3P connector CKP sensor 3P connector Electronic throttle control system (ETCS) control relay Does continuity go away when one of the above parts or components is disconnected? YES -Replace the part that made the short to body ground go away when disconnected. If the part is the PCM, update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ). Also replace the No. 39 IGP (15 A) fuse. NO -Go to step 42.
  42. Disconnect the connectors from these parts: PGM-FI main relay 2 PCM connector A (49P) Each injector 2P connector CMP sensor 3P connector CKP sensor 3P connector Electronic throttle control (ETCS) control relay
  43. Check for continuity between PGM-FI main relay 1 4P connector terminal No. 1 and body ground. Is there continuity? YES -Repair a short in the wire between PGM-FI main relay 1 and each part. Also replace the No. 39 IGP (15A)fuse. NO -Replace PGM-FI main relay 1. Also replace the No. 39 IGP (15A)fuse.
  44. Inspect the No. 20 FUEL PUMP (15 A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES -Go to step 54 . NO -Go to step 45.
  45. Remove the blown No. 20 FUEL PUMP (15 A) fuse from the under-dash fuse/relay box.
  46. Remove PGM-FI main relay 2 (A) from the auxiliary under-hood fuse/relay box.
  47. Test PGM-FI main relay 2 (see «POWER RELAY TEST»(ref-513170-S00592820692012110700000) ). Is the relay OK? YES -Go to step 48. NO -Replace PGM-FI main relay 2. Also replace the No. 20 FUEL PUMP (15 A) fuse.
  48. Check for continuity between PGM-FI main relay 2 4P connector terminal No. 1 and body ground. Is there continuity? YES -Go to step 49. NO -Go to step 52 .
  49. Jump the SCS line with the HDS.
  50. Disconnect PCM connector C (49P).
  51. Check for continuity between PCM connector terminal C10 and body ground. Is there continuity? YES -Repair a short in the wire between the No. 20 FUEL PUMP (15 A) fuse and the PCM (C10) or PGM-FI main relay 2. Also replace the No. 20 FUEL PUMP (15A)fuse. NO -Replace the No. 20 FUEL PUMP (15 A) fuse, and update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ).
  52. Disconnect the fuel pump 4P connector (see «FUEL TANK UNIT REMOVAL AND INSTALLATION»(ref-513162-S09998544412012110700000) ).
  53. Check for continuity between fuel pump 4P connector terminal No. 2 and body ground. Is there continuity? YES -Repair a short in the wire between the fuel pump and PGM-FI main relay 2. Also replace the No. 20 FUEL PUMP(15A)fuse. NO -Check the fuel pump, and replace it if needed (see «FUEL PUMP/FUEL GAUGE SENDING UNIT REPLACEMENT»(ref-513162-S03532478562012110700000) ). Also replace the No. 20 FUEL PUMP (15 A) fuse.
  54. Jump the SCS line with the HDS.
  55. Disconnect PCM connectors A (49P) and C (49P).
  56. Turn the ignition switch to ON (II).
  57. Measure the voltage between PCM connector terminal C10 and body ground. Is there battery voltage? YES -Go to step 58. NO -Repair an open in the wire between the No. 20 FUEL PUMP (15 A) fuse and the PCM (C10).
  58. Measure the voltage between PCM connector terminal A7 and body ground. Is there battery voltage? YES -Go to step 64 . NO -Go to step 59.
  59. Turn the ignition switch to LOCK (0).
  60. Open the fuse access panel (A), then remove PGM-FI main relay 1 (B) from the under-dash fuse/relay box.
  61. Measure the voltage between PGM-FI main relay 1 4P connector terminal No. 3 and body ground. Is there battery voltage? YES -Go to step 62. NO -Replace the under-dash fuse/relay box (USA model) (see «REMOVAL AND INSTALLATION»(ref-513189-S16875978532012110700000) ), (Canada model) (see «CANADA MODEL»(ref-513189-S10776284102012110700000) ).
  62. Connect PGM-FI main relay 1 4P connector terminal No. 4 to body ground with a jumper wire.
  63. Check for continuity between PCM connector terminal A7 and body ground. Is there continuity? YES -Test PGM-FI main relay 1 (see «POWER RELAY TEST»(ref-513170-S00592820692012110700000) ). If the relay is OK, update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ). NO -Repair an open in the wire between the PCM (A7) and PGM-FI main relay 1.
  64. Turn the ignition switch to LOCK (0).
  65. Open the fuse access panel (A), then remove PGM-FI main relay 1 (B) from the under-dash fuse/relay box.
  66. Measure the voltage between PGM-FI main relay 1 4P connector terminal No. 2 and body ground. Is there battery voltage? YES -Go to step 67. NO -Replace the under-dash fuse/relay box (USA model) (see «REMOVAL AND INSTALLATION»(ref-513189-S16875978532012110700000) ), (Canada model) (see «CANADA MODEL»(ref-513189-S10776284102012110700000) ).
  67. Connect PGM-FI main relay 1 4P connector terminal No. 1 to body ground with a jumper wire.
  68. Check for continuity between body ground and PCM connector terminals A9 individually. Is there continuity? YES -Remove the jumper wire, then go to step 69. NO -Repair an open in the wire between the PCM (A9) and PGM-FI main relay 1.
  69. Disconnect PCM connector B (49P).
  70. Check for continuity between body ground and PCM connector terminals B1, B10, C2, C44, and C49 individually. Is there continuity? YES -Go to step 72 . NO -Repair an open in the wire between the PCM (B1, B10, C2, C44, C49) and G101 (see «CONNECTOR TO FUSE/RELAY BOX INDEX»(ref-513190-S04645343722012110700000) ).
  71. Check for continuity between PCM connector terminal C13 and body ground. Is there continuity? YES -Go to step 72. NO -Go to step 73 .
  72. Continue to check for continuity between PCM connector terminal C13 and body ground, while disconnecting these connectors, one at a time: MAP sensor 3P connector CVT output shaft (driven pulley) speed sensor 3P connector Does continuity go away when one of the above connectors is disconnected? YES -Replace the part that made the short to body ground go away when disconnected. NO -Repair a short in the wire between the PCM (C13) and the MAP sensor or the CVT output shaft (driven pulley) speed sensor.
  73. Check for continuity between PCM connector terminal B19 and body ground. Is there continuity? YES -Go to step 74. NO -Go to step 75 .
  74. Continue to check for continuity between PCM connector terminal B19 and body ground, while disconnecting these connectors, one at a time: Rocker arm oil pressure sensor A and B 3P connectors EGR valve 5P connector CVT input shaft (drive pulley) speed sensor 3P connector Vehicle speed sensor 3P connector CVT driven pulley pressure sensor 3P connector Does continuity go away when one of the above connectors is disconnected? YES -Replace the part that made the short to body ground go away when disconnected. NO -Repair a short in the wire between the PCM (B16) and rocker arm oil pressure sensor A and B, the EGR valve, the CVT input shaft (drive pulley) speed sensor, the vehicle speed sensor or the CVT driven pulley pressure sensor.
  75. Check for continuity between PCM connector terminal C12 and body ground. Is there continuity? YES -Go to step 76. NO -Go to step 77 .
  76. Continue to check for continuity between PCM connector terminal C12 and body ground, while disconnecting the throttle body 6P connector. Is there continuity? YES -Repair a short in the wire between the PCM (C12) and the throttle body. NO -Replace the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-513163-S12903280352012110700000) ).
  77. Check for continuity between PCM connector terminal A26 and body ground. Is there continuity? YES -Go to step 78. NO -Go to step 79 .
  78. Continue to check for continuity between PCM connector terminal A26 and body ground, while disconnecting the APP sensor 6P connector. Is there continuity? YES -Repair a short in the wire between the PCM (A26) and APP sensor A. NO -Replace the accelerator pedal module (see «ACCELERATOR PEDAL MODULE REMOVAL/INSTALLATION»(ref-513185-S13433103762012110700000) ).
  79. Check for continuity between PCM connector terminal A25 and body ground. Is there continuity? YES -Go to step 80. NO -Go to step 81 .
  80. Continue to check for continuity between PCM connector terminal A25 and body ground, while disconnecting the APP sensor 6P connector. Is there continuity? YES -Repair a short in the wire between the PCM (A25) and APP sensor B. NO -Replace the accelerator pedal module (see «ACCELERATOR PEDAL MODULE REMOVAL/INSTALLATION»(ref-513185-S13433103762012110700000) ).
  81. Check for continuity between PCM connector terminal A20 and body ground. Is there continuity? YES -Go to step 82. NO -Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-513153-S08553155092012110700000) ), or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-513153-S08243124262012110700000) ).
  82. Continue to check for continuity between PCM connector terminal A20 and body ground, while disconnecting these connectors, one at a time: A/C pressure sensor 3P connectors Brake booster pressure sensor A 3P connector Brake booster pressure sensor B 3P connector FTP sensor 3P connector Does continuity go away when one of the above connectors is disconnected? YES -Repair the part that made the short to body ground go away when disconnected. NO -Repair a short in the wire between the PCM (A20) and brake booster pressure sensor A, brake booster pressure sensor B, the A/C pressure sensor, or the FTP sensor.

Scheme 454

Scheme 454: Injector Replacement
Scheme 454: Injector Replacement

Scheme 455

Scheme 455
Scheme 455
  1. Relieve the fuel pressure (see «FUEL PRESSURE RELIEVING»(ref-513162-S11991841742012110700000) ).
  2. Remove the intake manifold (see «INTAKE MANIFOLD REMOVAL AND INSTALLATION»(ref-513161-S12220801572012110700000) ).
  3. Remove the nut (A).
  4. Disconnect the injector connectors (B), the intake side ignition coil connectors (C), and the EGR valve connector (D).
  5. Remove the fuel rail mounting nuts (E) and the bolt (F) from the fuel rail (G), then remove the injectors and the fuel rail together.
  6. Remove the injector clips (H) from the injectors (I).
  7. Remove the injectors from the fuel rail.
  8. Coat the new O-rings (black) (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).
  9. Install the injector clips (D).
  10. Coat the injector O-rings (E) with clean engine oil.
  11. Install the fuel rail and the injectors in the cylinder head (F).
  12. Install the fuel rail mounting nuts (G) and the bolt (H).
  13. Install the nut (I) with a new O-ring (J).
  14. Connect the injector connectors (K), the intake side ignition coil connectors (L), and the EGR valve connector (M).
  15. Install the intake manifold (see «INSTALLATION»(ref-513161-S28161554972012110700000) ).
  16. Turn the ignition switch to ON (II), but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel rail is pressurized. Repeat this two or three times, then check for fuel leaks.

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