Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review GENERAL TROUBLESHOOTING INFORMATION .
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Start the engine, and let it idle for 10 seconds.
- Check the CMP B NOISE in the DATA LIST with the HDS. Are 0 counts indicated? YES: Go to step 7 . NO: Go to step 5 .
- Test-drive the vehicle for several minutes in the range of these recorded freeze data parameters: ENGINE SPEED VSS
- Check the CMP B NOISE in the DATA LIST with the HDS. Are 0 counts indicated? YES: Go to step 7 . NO: Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the CMP sensor and the ECM/PCM.
- Check for poor connections or loose terminals at these locations: CMP sensor ECM/PCM Engine ground Body ground Are the connections and terminals OK? YES: Go to step 8 . NO: Repair the connections or terminals, then go to step 11 .
- Check for damage on the CMP sensor pulser plate (see «CMP PULSE PLATE REMOVAL AND INSTALLATION»(ref-320441-S29364027192009071400000) ). Is the pulser plate damaged? YES: Replace the CMP sensor pulser plate (see «CMP PULSE PLATE REMOVAL AND INSTALLATION»(ref-320441-S29364027192009071400000) ), then go to step 11 . NO: Go to step 9 .
- Turn the ignition switch to LOCK (0).
- Replace the CMP sensor (see «CKP SENSOR REPLACEMENT»(ref-320426-S27553205012009071400000) ).
- Turn the ignition switch to ON (II).
- Reset the ECM/PCM with the HDS.
- Do «ECM/PCM IDLE LEARN PROCEDURE»(ref-320447-S03803966382009071400000) .
- Start the engine, and let it idle for 10 seconds.
- Check for Pending or Confirmed DTCs with the HDS. Is DTC P0369 indicated? YES: Check for poor connections or loose terminals at the CMP sensor and the ECM/PCM, then go to step 1 . NO: Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.