DTC P0369: CMP Sensor B Circuit Intermittent Interruption
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see
GENERAL TROUBLESHOOTING INFORMATION
).
- Clear the DTC with the HDS.
- Start the engine, and let it idle 10 seconds.
- Check the CMP NOISE B count in the DATA LIST with the HDS.
Are 0 counts indicated?
- Test-drive the vehicle for several minutes in the range of these recorded freeze data parameters:
- ENGINE SPEED
- VSS
- Check the CMP NOISE B count in the DATA LIST with the HDS.
Are 0 counts indicated?
- YES- Go to step 6.
- NO- Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at CMP sensor B and the ECM/PCM.
- Check for poor or loose connections and terminals at these locations:
- CMP sensor B
- ECM/PCM
- Engine ground
- Body ground
Are the connections and terminals OK?
- Check for damage on CMP pulse plate B (see
CMP PULSE PLATE B REPLACEMENT
).
Is the plate damaged?
- YES- Replace CMP pulse plate B (see CMP PULSE PLATE A REPLACEMENT ), then go to step 10.
- NO- Go to step 8.
- Turn the ignition switch OFF.
- Replace CMP sensor B (see ECT SENSOR REPLACEMENT ).
- Turn the ignition switch ON (II).
- Reset the ECM/PCM with the HDS.
- Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).
- Start the engine, and let it idle 10 seconds.
- Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
- YES- If DTC P0369 is indicated, check for poor connections or loose terminals at CMP sensor B and the ECM/PCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
- NO- Troubleshooting is complete.