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On-Vehicle Inspection

  1. CHECK CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Check the operation.
      1. Connect the intelligent tester to the DLC3.
      2. Turn the ignition switch ON.
      3. Turn the intelligent tester main switch ON.
      4. Start and warm up the engine.
      5. Select the menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRL B1.
      6. Operate the OCV using the intelligent tester, and then check the engine speed.

        Standard condition 

        TESTER CONDITION SPECIFIED CONDITION REFERENCE CHART

        Tester Operation Specified Condition
        Oil control valve is OFF Normal engine speed
        Oil control valve is ON Rough idling or engine stalls

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

        Fig 1: Connecting Intelligent Tester To DLC3
        G05291574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002