Code No. P0011: Inlet Variable Valve Timing System




OPERATION




FUNCTION




TROUBLE JUDGMENT


Check Conditions
Judgment 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 (inlet)

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 inlet oil feeder control valve itself.



  • Oil feeder control valve check (Refer to ).

Q. Is the check result normal?

Go to Step 3.
Replace the inlet oil feeder control valve.

STEP 3. Check harness between inlet 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 inlet 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 inlet camshaft sensing portion.


Q. Is the check result normal?

Go to Step 6.
Replace the inlet camshaft.

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



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

Q. Is the check result normal?

Go to Step 7.
Repair it.

STEP 7. Check oil passage of inlet 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 set?

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