Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see 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 8 . 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.
- Turn the ignition switch to LOCK (0).
- Check for poor connections or loose terminals at these locations: CMP sensor ECM/PCM Engine ground Body ground Are the connections and the terminals OK? YES -Go to step 8. NO -Repair or replace the connections or the terminals, then go to step 11 .
- Check for damage to the CMP sensor pulser plate (see «CMP PULSE PLATE REMOVAL AND INSTALLATION»(ref-255508-S35605648342007060300000) ). Is the pulser plate damaged? YES -Replace the CMP sensor pulser plate (see «CMP PULSE PLATE REMOVAL AND INSTALLATION»(ref-255508-S35605648342007060300000) ), then go to step 11 . NO -Go to step 9.
- Replace the CMP sensor (see «CKP SENSOR REPLACEMENT»(ref-355126-S30056044322010012000000) ).
- Turn the ignition switch to ON (II).
- Reset the ECM/PCM with the HDS.
- Do the ECM/PCM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(ref-255517-S24591238122007060300000) ).
- 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»(ref-355126-S38482784232010012000000) .