Contents Section: Testing & Diagnostics All sections

Vtec: Diagnosis Honda Insight ZE2 рестайлинг

Testing & Diagnostics 9 illustrations ~2624 words

DTC P055B: Rocker Arm Oil Pressure Sensor A Stuck High; DTC P1286: Rocker Arm Oil Pressure Sensor B Stuck Low; DTC P128A: Rocker Arm Oil Pressure Sensor B Stuck High; DTC P128C: Rocker Arm Oil Pressure Sensor A Stuck Low; DTC P128D: Rocker Arm Oil Pressure Sensor A Stuck High; DTC P2646: Rocker Arm Oil Control Valve A Stuck ON/OFF; DTC P3400: Valve Pause System (VPS) Stuck OFF

Special Tools Required

  1. Pressure Gauge Adapter 07NAJ-P07010A
  2. A/T Low Pressure Gauge W/Panel 07406-0070301. A/T Pressure Test Hose 07AAJ-PY4A100
  3. A/T Pressure Adapter 07MAJ-PY40120
  4. Oil Pressure Hose 07ZAJ-S5A0200

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ). If DTC P0522, P0523, P055C, and/or P055D is stored at the same time as DTC P055B, P1286, P128A, P128C, P128D, P2646, and/or P3400, troubleshoot DTC P0522, P0523, P055C, and/or P055D first, then recheck for DTC P055B, P1286, P128A, P128C, P128D, P2646, and/or P3400.

Scheme 835

Scheme 835

Scheme 836

Scheme 836
  1. Check the engine oil level and condition. Is the engine oil OK? YES -Go to step 2. NO -Adjust the engine oil level to the proper level or replace it, then go to step 22 .
  2. Turn the ignition switch to ON (II).
  3. Clear the DTC with the HDS.
  4. Select the VTEC TEST in the INSPECTION MENU, and do the VTEC TEST with the HDS. Is the test result 0? YES -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at rocker arm oil pressure sensor A, rocker arm oil pressure sensor B, rocker arm oil control solenoid A, rocker arm oil control solenoid B, and the PCM. NO - If the result is 1, go to step 8 . If the result is 2, go to step 14 . If the result is 3 or 4, go to step 5. If the result is 5, go to step 6 . If the result is 6, go to step 19 . If the result is 7, replace rocker arm oil pressure sensor B, then go to step 21 . If the result is 8, replace rocker arm oil pressure sensor A, then go to step 21 .
  5. Check the engine oil pressure (see «OIL PRESSURE TEST»(ref-513154-S03678277922012110700000) ). Is the engine oil pressure OK? YES -Go to step 7 . NO - If the oil pressure is out of specification, inspect these items: Oil filter (see «ENGINE OIL FILTER REPLACEMENT»(ref-513154-S39830566772012110700000) ). Oil pressure relief valve (see «OIL PUMP OVERHAUL»(ref-513154-S03226124432012110700000) ). Oil screen for clogging. Oil pump (see «OIL PUMP OVERHAUL»(ref-513154-S03226124432012110700000) ). Replace the above items as needed, then go to step 22 .
  6. Check the engine oil pressure (see «OIL PRESSURE TEST»(ref-513154-S03678277922012110700000) ). Is the engine oil pressure OK? YES -Go to step 13 . NO - If the oil pressure is out of specification, inspect these items: Oil filter (see «ENGINE OIL FILTER REPLACEMENT»(ref-513154-S39830566772012110700000) ). Oil pressure relief valve (see «OIL PUMP OVERHAUL»(ref-513154-S03226124432012110700000) ). Oil screen for clogging. Oil pump (see «OIL PUMP OVERHAUL»(ref-513154-S03226124432012110700000) ). Replace the above items as needed, then go to step 22 .
  7. Install the engine oil pressure switch (see «OIL PRESSURE SWITCH TEST»(ref-513154-S19009539092012110700000) ).
  8. Remove rocker arm oil pressure sensor B (see «ROCKER ARM OIL PRESSURE SENSOR B REMOVAL/INSTALLATION»(ref-513188-S22665352282012110700000) ).
  9. Attach the special tools to the rocker arm oil control valve as shown, then attach rocker arm oil pressure sensor B (A) to the pressure gauge adapter (B). NOTE: Install rocker arm oil pressure sensor B in the reverse order of removal with a new O-ring.
  10. Reconnect the rocker arm oil pressure sensor B 3P connector.
  11. Select the VTEC TEST in the INSPECTION MENU, and do the VTEC TEST with the HDS.
  12. Note the failed item in the VTEC TEST, then measure the oil pressure for the failed item (see chart below). TEST STATUS OIL PRESSURE 1 Less than 39.0 kPa (0.4 kgf/cm 2 , 5.7 psi) 2 More than 78.0 kPa (0.8 kgf/cm 2 , 11.4 psi) 3 Less than 39.0 kPa (0.4 kgf/cm 2 , 5.7 psi) 4 More than 78.0 kPa (0.8 kgf/cm 2 , 11.4 psi) 5 More than 78.0 kPa (0.8 kgf/cm 2 , 11.4 psi) Is the oil pressure OK? YES -Replace rocker arm oil pressure sensor B (see «ROCKER ARM OIL PRESSURE SENSOR B REMOVAL/INSTALLATION»(ref-513188-S22665352282012110700000) ), then go to step 20 . NO -Replace the rocker arm oil control valve (see «ROCKER ARM OIL CONTROL VALVE REMOVAL/INSTALLATION»(ref-513188-S12360777532012110700000) ), then go to step 20 .
  13. Install the engine oil pressure switch (see «OIL PRESSURE SWITCH TEST»(ref-513154-S19009539092012110700000) ).
  14. Remove rocker arm oil pressure sensor A (see «ROCKER ARM OIL PRESSURE SENSOR A REMOVAL/INSTALLATION»(ref-513188-S18600695322012110700000) ).
  15. Attach the special tools to the rocker arm oil control valve as shown, then attach rocker arm oil pressure sensor A (A) to the pressure gauge adapter (B). NOTE: Install rocker arm oil pressure sensor A in the reverse order of removal with a new O-ring.
  16. Reconnect rocker arm oil pressure sensor A 3P connector.
  17. Select the VTEC TEST in the INSPECTION MENU, and do the VTEC TEST with the HDS.
  18. Note the failed item in the VTEC TEST, then measure the oil pressure for the failed item (see chart below). TEST STATUS OIL PRESSURE 1 Less than 39.0 kPa (0.4 kgf/cm 2 , 5.7 psi) 2 Less than 39.0 kPa (0.4 kgf/cm 2 , 5.7 psi) 3 Less than 39.0 kPa (0.4 kgf/cm 2 , 5.7 psi) 4 More than 78.0 kPa (0.8 kgf/cm 2 , 11.4 psi) 5 Less than 39.0 kPa (0.4 kgf/cm 2 , 5.7 psi) Is the oil pressure OK? YES -Replace rocker arm oil pressure sensor A (see «ROCKER ARM OIL PRESSURE SENSOR A REMOVAL/INSTALLATION»(ref-513188-S18600695322012110700000) ), then go to step 20 . NO -Replace the rocker arm oil control valve (see «ROCKER ARM OIL CONTROL VALVE REMOVAL/INSTALLATION»(ref-513188-S12360777532012110700000) ), then go to step 20 .
  19. Replace the rocker arm oil control valve (see «ROCKER ARM OIL CONTROL VALVE REMOVAL/INSTALLATION»(ref-513188-S12360777532012110700000) ).
  20. Turn the ignition switch to LOCK (0).
  21. Reconnect all connectors.
  22. Turn the ignition switch to ON (II).
  23. Reset the PCM with the HDS.
  24. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-513173-S16164063582012110700000) ).
  25. Select the VTEC TEST in the INSPECTION MENU, and do the VTEC TEST with the HDS. Is the test result 0? YES -Go to step 26. NO -Check for poor connections or loose terminals at rocker arm oil pressure sensor A, rocker arm oil pressure sensor B, rocker arm oil control solenoid A, rocker arm oil control solenoid B, and the PCM, then go to step 1 .
  26. Check for Pending or Confirmed DTCs with the HDS. Are any Pending or Confirmed DTCs indicated? YES -Go to the indicated «DTC'S TROUBLESHOOTING»(ref-513188-S24856231182012110700000) . NO -Troubleshooting is complete.

DTC P055C: Rocker Arm Oil Pressure Sensor B Low Voltage

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

Scheme 837

Scheme 837: DTC P055C: Rocker Arm Oil Pressure Sensor B Low Voltage

Scheme 838

Scheme 838

Scheme 839

Scheme 839
  1. Turn the ignition switch to ON (II).
  2. Check ROCKER ARM OIL PRESSURE SENSOR B in the DATA LIST with the HDS. Is there about 0.18 V or less? YES -Go to step 3. NO -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM.
  3. Turn the ignition switch to LOCK (0).
  4. Disconnect the rocker arm oil pressure sensor B 3P connector.
  5. Turn the ignition switch to ON (II).
  6. Check ROCKER ARM OIL PRESSURE SENSOR B in the DATA LIST with the HDS. Is there about 0.18 V or less? YES -Go to step 8 . NO -Go to step 7.
  7. Measure the voltage between rocker arm oil pressure sensor B 3P connector terminals No. 1 and No. 3. Is there about 5 V? YES -Go to step 16 . NO -Go to step 12 .
  8. Turn the ignition switch to LOCK (0).
  9. Jump the SCS line with the HDS.
  10. Disconnect PCM connector B (49P).
  11. Check for continuity between rocker arm oil pressure sensor B 3P connector terminal No. 2 and body ground. Is there continuity? YES -Repair a short in the wire between the PCM (B27) and rocker arm oil pressure sensor B, then go to step 18 . NO -Go to step 24 .
  12. Turn the ignition switch to LOCK (0).
  13. Jump the SCS line with the HDS.
  14. Disconnect PCM connector B (49P).
  15. Check for continuity between PCM connector terminal B19 and rocker arm oil pressure sensor B 3P connector terminal No. 1. Is there continuity? YES -Go to step 24 . NO -Repair an open in the wire between the PCM (B19)and rocker arm oil pressure sensor B, then go to step 18 .
  16. Turn the ignition switch to LOCK (0).
  17. Replace rocker arm oil pressure sensor B (see «ROCKER ARM OIL PRESSURE SENSOR B REMOVAL/INSTALLATION»(ref-513188-S22665352282012110700000) ).
  18. Reconnect all connectors.
  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. Check for Pending or Confirmed DTCs with the HDS. Is DTC P055C indicated? YES -Check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM, then go to step 1 . NO -Go to step 23.
  23. Monitor the OBD STATUS for DTC P055C 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 22 , go to the indicated «DTC'S TROUBLESHOOTING»(ref-513188-S24856231182012110700000) . NO -If the HDS indicates FAILED, check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM, then go to step 1 . If the HDS indicates NOT COMPLETED, keep idling until a result comes on.
  24. Reconnect all connectors.
  25. 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) ).
  26. Start the engine, and let it idle.
  27. Check for Pending or Confirmed DTCs with the HDS. Is DTC P055C indicated? YES -Check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then go to step 26 . If the PCM was substituted, go to step 1 . NO -Go to step 28.
  28. Monitor the OBD STATUS for DTC P055C 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 27 , go to the indicated «DTC'S TROUBLESHOOTING»(ref-513188-S24856231182012110700000) . NO -If the HDS indicates FAILED, check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then go to step 26 . If the PCM was substituted, go to step 1 . If the HDS indicates NOT COMPLETED, keep idling until a result comes on.

DTC P055D: Rocker Arm Oil Pressure Sensor B High Voltage

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

Scheme 840

Scheme 840: DTC P055D: Rocker Arm Oil Pressure Sensor B High Voltage

Scheme 841

Scheme 841

Scheme 842

Scheme 842

Scheme 843

Scheme 843
  1. Turn the ignition switch to ON (II).
  2. Check ROCKER ARM OIL PRESSURE SENSOR B in the DATA LIST with the HDS. Is there about 4.79 V or more? YES -Go to step 3. NO -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM.
  3. Turn the ignition switch to LOCK (0).
  4. Disconnect the rocker arm oil pressure sensor B 3P connector.
  5. Connect rocker arm oil pressure sensor B 3P connector terminals No. 2 and No. 3 with a jumper wire.
  6. Turn the ignition switch to ON (II).
  7. Check ROCKER ARM OIL PRESSURE SENSOR B in the DATA LIST with the HDS. Is there about 4.79 V or more? YES -Go to step 8. NO -Go to step 18 .
  8. Remove the jumper wire.
  9. Measure the voltage between rocker arm oil pressure sensor B 3P connector terminals No. 1 and No. 3. Is there about 5 V? YES -Go to step 14 . NO -Go to step 10.
  10. Turn the ignition switch to LOCK (0).
  11. Jump the SCS line with the HDS.
  12. Disconnect PCM connector B (49P).
  13. Check for continuity between PCM connector terminal B34 and rocker arm oil pressure sensor B 3P connector terminal No. 3. Is there continuity? YES -Go to step 26 . NO -Repair an open in the wire between the PCM (B34) and rocker arm oil pressure sensor B, then go to step 20 .
  14. Turn the ignition switch to LOCK (0).
  15. Jump the SCS line with the HDS.
  16. Disconnect PCM connector B (49P).
  17. Check for continuity between PCM connector terminal B27 and rocker arm oil pressure sensor B 3P connector terminal No. 2. Is there continuity? YES -Go to step 26 . NO -Repair an open in the wire between the PCM (B27) and rocker arm oil pressure sensor B, then go to step 20 .
  18. Turn the ignition switch to LOCK (0).
  19. Replace rocker arm oil pressure sensor B (see «ROCKER ARM OIL PRESSURE SENSOR B REMOVAL/INSTALLATION»(ref-513188-S22665352282012110700000) ).
  20. Reconnect all connectors.
  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. Check for Pending or Confirmed DTCs with the HDS. Is DTC P055D indicated? YES -Check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM, then go to step 1 . NO -Go to step 25.
  25. Monitor the OBD STATUS for DTC P055D in the DTCs MENU with the HDS. Does the HDS indicated 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-513188-S24856231182012110700000) . NO -If the HDS indicates FAILED, check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM, then go to step 1 . If the HDS indicates NOT COMPLETED, keep idling until a result comes on.
  26. Reconnect all connectors.
  27. 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) ).
  28. Start the engine, and let it idle.
  29. Check for Pending or Confirmed DTCs with the HDS. Is DTC P055D indicated? YES -Check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then go to step 28 . If the PCM was substituted, go to step 1 . NO -Go to step 30.
  30. Monitor the OBD STATUS for DTC P055D 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 29 , go to the indicated «DTC'S TROUBLESHOOTING»(ref-513188-S24856231182012110700000) . NO -If the HDS indicates FAILED, check for poor connections or loose terminals at rocker arm oil pressure sensor B and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-513169-S18138486322012110700000) ), then go to step 28 . If the PCM was substituted, go to step 1 . If the HDS indicates NOT COMPLETED, keep idling until a result comes on.