DTC Troubleshooting

DTC Troubleshooting: P0011

DTC P0011: VTC System Malfunction

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.

4. Watch the low oil pressure indicator with the engine running.

Is the low oil pressure indicator on?
YES - Check the oil pressure, Testing and Inspection then go to step 15.

NO - Go to step 5.


5. Do the VTC TEST in the INSPECTION MENU with the HDS.

Is the result OK?
YES - Go to step 6.

NO - Go to step 9.


6. Test-drive at a steady speed between 25-75 mph (40-120 km/h) for 10 minutes.

7. Check the VTC STATUS in the DATA LIST with the HDS.

Does it indicate ON?
YES - Go to step 8.

NO - Go to step 6 and recheck.


8. Monitor the OBD STATUS for DTC P0011 in the DTCs MENU with the HDS.

Does the screen indicate FAILED?
YES - Go to step 9.

NO - If the screen indicates PASSED, intermittent failure, the system is OK at this time. If the screen indicates NOT COMPLETED, go to step 5 and recheck.


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

10. Remove the auto-tensioner. Service and Repair

11. Remove the VTC strainer (A), and check it for clogging.

Is the strainer OK?
YES - Go to step 12.

NO - Clean the VTC strainer, replace the engine oil filter and the engine oil, then go to step 14.






12. Test the VTC oil control solenoid valve. VTC Oil Control Solenoid Valve Removal/Test/Installation

Is the VTC oil control solenoid valve OK?
YES - Go to step 13.

NO - Replace the VTC oil control solenoid valve, VTC Oil Control Solenoid Valve Removal/Test/Installation then go to step 14.


13. Inspect the VTC actuator. VTC Actuator Inspection

Is the VTC actuator OK?
YES - Check the VTC system oil passages, then go to step 14.

NO - Replace the VTC actuator, VTC Actuator, Exhaust Camshaft Sprocket Replacement then go to step 14.


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

15. Reset the ECM with the HDS.

16. Clear the CKP pattern with the HDS.

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

18. Do the CKP pattern clear/CKP pattern learn procedure. Initial Inspection and Diagnostic Overview

19. Do the VTC TEST in the INSPECTION MENU with the HDS.

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

Is DTC P0011 indicated?
YES - Check for poor connections or loose terminals at the VTC oil control solenoid valve and the ECM, then go to step 1.

NO - Go to step 21.


21. Monitor the OBD STATUS for DTC P0011 in the DTCs MENU with the HDS.

Does the screen indicate PASSED?
YES - Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in step 20, go to the indicated DTC's troubleshooting.

NO - If the screen indicates FAILED, check for poor connections or loose terminals at the VTC oil control solenoid valve and the ECM, then go to step 1. If the screen indicates NOT COMPLETED, go to step 19.