DTC Troubleshooting

DTC P15AE: Cylinder Pause Signal Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.

1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Do the ACM ACTIVATION with VTEC in the INSPECTION MENU with the HDS.
4. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P15AE 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 rocker arm oil control solenoid.

5. Turn the ignition switch OFF.
6. Jump the SCS line with the HDS.
7. Disconnect PCM connector A (49P)
8. Disconnect the engine mount control unit 20P connector.




9. Connect engine mount control unit 20P connector terminal No. 6 to body ground with a jumper wire.




10. Check for continuity between PCM connector terminal A14 and body ground.

Is there continuity?

YES - Replace the engine mount control unit, then go to step 11.

NO - Repair open in the wire between the PCM (A14) and the engine mount control unit (No. 6), then go to step 11.

11. Reconnect all connectors.
12. Turn the ignition switch ON (II).
13. Reset the PCM with the HDS.
14. Do the PCM idle learn procedure.
15. Do the ACM ACTIVATION with VTEC in the INSPECTION MENU with the HDS.
16. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P15AE indicated?

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

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