Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see DTC TROUBLESHOOTING INDEX ).
- Turn the ignition switch 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 4. 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»(ref-299652-S12147991932008092500000) ). Is there damage? YES - Replace the front camshaft pulley (see «CAMSHAFT REPLACEMENT»(ref-219950-S15890884362006021600000) ), then go to step 9 . NO - Go to step 7.
- Turn the ignition switch OFF.
- Replace the CMP sensor (see «CMP SENSOR REPLACEMENT»(ref-299652-S12147991932008092500000) ).
- Turn the ignition switch 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»(ref-219960-S21279730262006021600000) ).
- Do the CKP pattern learn procedure (see «CRANK (CKP) PATTERN CLEAR/CRANK (CKP) PATTERN LEARN»(ref-219956-S37234658712006021600000) ).
- 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 DTCs troubleshooting.