Code No. P0011: Variable Valve Timing System




OPERATION




FUNCTION




TROUBLE JUDGEMENT


Check Conditions
Judgement Criterion

FAIL-SAFE AND BACKUP FUNCTION




PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III data list



  • Data list reference table (Refer to ).

  1. Item 36: V.V.T. phase angle

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
Go to Step 2.

STEP 2. Check oil feeder control valve itself.



  • Oil feeder control valve connector check.
  • Oil feeder control valve check (Refer to ).

Q. Is the check result normal?

Go to Step 3.
Repair or replace the connector, or replace the oil feeder control valve.

STEP 3. Check harness between oil feeder control valve connector terminal and engine-ECU connector terminal OCVI.



  • Check output line for damage.

Q. Is the check result normal?

Go to Step 4.
Repair or replace the connector, or repair the damaged harness wire.

STEP 4. Check harness between engine control relay connector terminal and oil feeder control valve connector terminal.



  • Check power supply line for damage.

Q. Is the check result normal?

Go to Step 5.
Repair or replace the connector, or repair the damaged harness wire.

STEP 5. Check camshaft sensing portion.


Q. Is the check result normal?

Go to Step 6.
Replace the camshaft.

STEP 6. Check variable valve timing sprocket operation mechanism for being stuck.



  • Check variable valve timing sprocket
    (Refer to GROUP 11H - Timing Chain - Inspection ).

Q. Is the check result normal?

Go to Step 7.
Repair it.

STEP 7. Check oil passage of variable valve timing control system for being clogged.


Q. Is the check result normal?

Go to Step 8.
Repair it.

STEP 8. M.U.T.-III diagnosis code



  • Reconfirmation of diagnosis code.

Q. Is diagnosis code stored?

Replace the engine-ECU.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).