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 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 CMP sensor B and the ECM/PCM.
- Check for poor connections or loose terminals at these locations: CMP sensor B ECM/PCM Engine ground Body ground Are the connections and 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 CMP pulse plate B (see «CMP PULSE PLATE B REPLACEMENT»(ref-290827-S22823950542008072200000) ). Is the pulse plate damaged? YES -Replace CMP pulse plate B (see «CMP PULSE PLATE B REPLACEMENT»(ref-290827-S22823950542008072200000) ), then go to step 11 . NO -Go to step 9.
- Turn the ignition switch to LOCK (0).
- Replace CMP sensor B (see «CMP SENSOR B REPLACEMENT»(ref-355245-S02649553512010012100000) ).
- 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-290807-S02808252682008072200000) ).
- Start the engine, and let it idle for 10 seconds.
- Check for Temporary DTCs or DTCs with the HDS. Is DTC P0369 indicated? YES -Check for poor connections or loose terminals at CMP sensor B and the ECM/PCM, then go to step 1 . NO -Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTCs troubleshooting.