DTC Troubleshooting

DTC Troubleshooting: P0339

DTC P0339: CKP Sensor Circuit Intermittent Interruption

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information. Initial Inspection and Diagnostic Overview

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Start the engine, and let it idle for 10 seconds.

4. 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.


5. Test-drive the vehicle for several minutes in the range of these recorded freeze data parameters:
- ENGINE SPEED

- VSS

6. 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.


7. Check for poor or loose connections and terminals at these locations:
- CKP sensor

- ECM

- Engine ground

- Body ground

Are the connections and terminals OK?
YES - Go to step 8.

NO - Repair or replace the connectors or the terminals, then go to step 11.


8. Remove the cam chain case, Cam Chain Removal then check for damage on the CKP sensor pulser plate.

Is the pulser plate damaged?
YES - Replace the CKP sensor pulser plate, CKP Pulse Plate Replacement then go to step 11.

NO - Go to step 9.


9. Turn the ignition switch to LOCK (0).

10. Replace the CKP sensor. CKP Sensor Replacement

11. Turn the ignition switch to ON (II).

12. Reset the ECM with the HDS.

13. Clear the CKP pattern with the HDS. Initial Inspection and Diagnostic Overview

14. Do the ECM idle learn procedure. ECM Idle Learn Procedure

15. Do the CKP pattern learn procedure. Initial Inspection and Diagnostic Overview

16. Start the engine, and let it idle for 10 seconds.

17. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P0339 indicated?
YES - Check for poor connections or loose terminals at the CKP sensor and the ECM, 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.