On-Vehicle Inspection

INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY




a. Check the operation.
1. Connect the hand-held tester to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the hand-held tester ON.
4. Start the engine and warm it up.
5. Select the menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRL B1.




6. Operate the OCV using the hand-held tester, then check the engine speed.

If the operation is not as specified, check the camshaft timing oil control valve, wire harness and ECM.