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Home >> Honda >> 2014 >> Pilot EX, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Active Control Engine Mount (ACM) System) >> DTC Troubleshooting >> DTC P15BE, P15BF: CMP Sensor Signal Malfunction; CMP Sensor Signal Intermittent Interruption

DTC P15BE, P15BF: CMP Sensor Signal Malfunction; CMP Sensor Signal Intermittent Interruption

WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshots, and review GENERAL TROUBLESHOOTING INFORMATION  .
  • If PGM-FI system's DTC P0365 and/or P0369 is stored at the same time as DTC P15BE and/or P15BF, troubleshoot P0365 and/or P0369 first, then recheck for P15BE and/or P15BF.
  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Start the engine, and let it idle 20 seconds.
  4. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P15BE and/or P15BF indicated? 

    YES  - Go to step  5.

    NO  - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the engine mount control unit and the PCM. ■

  5. Turn the ignition switch to LOCK (0).
  6. Check for poor connections or loose terminals at the engine mount control unit 16P connector and PCM connector A (49P).

    Are the connections and terminals OK? 

    YES  - Go to step  7.

    NO  - Repair the connections or terminals, then go to step  26.

  7. Disconnect the CMP sensor 3P connector (see CMP SENSOR REPLACEMENT ).
  8. Turn the ignition switch to ON (II).
  9. Measure the voltage between engine mount control unit 16P connector terminal No. 7 and body ground.

    Is there about 5 V? 

    YES  - Go to step  10.

    NO  - Go to step  20.

    Fig 1: Measuring Voltage Between Engine Mount Control Unit 16P Connector Terminal No. 7 & Body Ground
    G05960795Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Turn the ignition switch to LOCK (0).
  11. Connect CMP sensor 3P connector terminal No. 1 to body ground with a jumper wire.
    Fig 2: Connecting CMP Sensor 3P Connector Terminal No. 1 To Body Ground With Jumper Wire
    G05960796Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Turn the ignition switch to ON (II).
  13. Measure the voltage between engine mount control unit 16P connector terminal No. 7 and body ground.

    Is there about 0 V? 

    YES  - Replace the engine mount control unit (see ENGINE MOUNT CONTROL UNIT REPLACEMENT  ), then go to step  26.

    NO  - Go to step  14.

    Fig 3: Measuring Voltage Between Engine Mount Control Unit 16P Connector Terminal No. 7 & Body Ground
    G05960797Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Turn the ignition switch to LOCK (0).
  15. Remove the jumper wire from the CMP sensor 3P connector.
  16. Jump the SCS line with the HDS.
  17. Disconnect PCM connector A (49P).
  18. Turn the ignition switch to ON (II).
  19. Measure the voltage between PCM connector terminal A35 and body ground.

    Is there about 5 V? 

    YES  - Go to step  31.

    NO  - Repair open in the wire between engine mount control unit 16P connector terminal No. 7 and PCM connector terminal A35, then go to step  26.

    Fig 4: Measuring Voltage Between PCM Connector Terminal A35 & Body Ground
    G05960798Courtesy of AMERICAN HONDA MOTOR CO., INC.
  20. Turn the ignition switch to LOCK (0).
  21. Disconnect the engine mount control unit 16P connector.
  22. Check for continuity between engine mount control unit 16P connector terminal No. 7 and body ground.

    Is there continuity? 

    YES  - Go to step  23.

    NO  - Replace the engine mount control unit (see ENGINE MOUNT CONTROL UNIT REPLACEMENT  ), then go to step  26.

    Fig 5: Checking Continuity Between Engine Mount Control Unit 16P Connector Terminal No. 7 & Body Ground
    G05960799Courtesy of AMERICAN HONDA MOTOR CO., INC.
  23. Jump the SCS line with the HDS.
  24. Disconnect PCM connector A (49P).
  25. Check for continuity between engine mount control unit 16P connector terminal No. 7 and body ground.

    Is there continuity? 

    YES  - Repair short to ground in the wire between engine mount control unit 16P connector terminal No. 7 and PCM connector terminal A35, then go to step  26.

    NO  - Go to step  31.

    Fig 6: Checking Continuity Between Engine Mount Control Unit 16P Connector Terminal No. 7 & Body Ground
    G05960800Courtesy of AMERICAN HONDA MOTOR CO., INC.
  26. Reconnect all connectors.
  27. Turn the ignition switch to ON (II).
  28. Clear the DTC with the HDS.
  29. Start the engine, and let it idle 20 seconds.
  30. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P15BE and/or P15BF indicated? 

    YES  - Check for poor connections or loose terminals at the engine mount control unit and the PCM, then go to step  1.

    NO  - Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting. ■

  31. Reconnect all connectors.
  32. Update the PCM (see PCM UPDATE ) if it does not have the latest software, or substitute a known-good PCM (see SUBSTITUTING THE PCM ).
  33. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P15BE and/or P15BF indicated? 

    YES  - Check for poor connections or loose terminals at the engine mount control unit and the PCM. If the PCM was updated (see PCM UPDATE ), substitute a known-good PCM (see SUBSTITUTING THE PCM ), and retest. If the PCM was substituted and the symptom indicated goes away, replace the original PCM (see PCM REPLACEMENT ). ■

    NO  - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see PCM REPLACEMENT ). If any other Temporary DTCs or DTCs indicated, go to the indicated DTC's troubleshooting. ■

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