DTC P0339: CKP Sensor Circuit Intermittent Interruption
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 CKP 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 CKP 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 CKP sensor and the ECM/PCM.
- Check for poor connections or loose terminals at these locations:
- Check for damage on the CKP sensor pulser plate.
Is the pulser plate damaged?
YES: Replace the CKP sensor pulser plate, then go to step 11.
NO: Go to step 9.
- Turn the ignition switch to LOCK (0).
- Replace the CKP sensor (see CKP SENSOR REPLACEMENT ).
- Turn the ignition switch to ON (II).
- Reset the ECM/PCM with the HDS.
- Clear the CKP pattern with the HDS.
- Do ECM/PCM IDLE LEARN PROCEDURE .
- Do the CKP pattern learn procedure (see CKP PATTERN CLEAR/CKP PATTERN LEARN ).
- Start the engine, and let it idle for 10 seconds.
- Check for Pending or Confirmed DTCs with the HDS.
Is DTC P0339 indicated?
YES: Check for poor connections or loose terminals at the CKP 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.