DTC P0344: CMP Sensor 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
).
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Test-drive the vehicle for 10 minutes in the range of these recorded freeze data parameters:
- ENGINE SPEED
- VSS
- Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0344 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 CMP sensor and the PCM.
- Check for poor or loose connections at these connectors and terminals:
- CMP sensor
- PCM
- Engine ground
- Body ground
Are the connections OK?
YES -Go to step 6.
NO -Reconnect or repair the connectors or terminals, then go to step 9.
- Check for damage to the CMP sensor pulse projection on the front camshaft pulley (see
CMP SENSOR REPLACEMENT ).
Is there damage?
YES -Replace the front camshaft pulley (see CYLINDER HEAD REMOVAL ), then go to step 9.
NO -Go to step 7.
- Turn the ignition switch to LOCK (0).
- Replace the CMP sensor (see CMP SENSOR REPLACEMENT ).
- Turn the ignition switch to ON (II).
- Reset the PCM with the HDS.
- Clear the CKP pattern with the HDS.
- Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
- Do the CKP pattern learn procedure (see HDS CLEAR COMMAND ).
- Test-drive the vehicle for 10 minutes in the range of these recorded freeze data parameters:
- ENGINE SPEED
- VSS
- Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0344 indicated?
YES -Check for poor connections or loose terminals at the CMP sensor and the PCM, then go to step 1.
NO -Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.