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Home › Lexus › 2011 › RX 450h 3.5 B › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System (Service Information) › Camshaft Oil Control Valve › On-Vehicle Inspection › On-Vehicle Inspection

On-Vehicle Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Connect the Techstream to the DLC3.
    2. Turn the Techstream on.
    3. Set the vehicle to the "Inspection Mode". Refer to INSPECTION MODE PROCEDURE .
    4. Start the engine.
    5. Inspect the oil control valve.
      1. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT System (Bank 1).
      2. Operate the oil control valve using the Techstream, and then check the engine speed.

        Standard Condition

        Control Range Specified Condition
        OCV is OFF Normal engine speed
        OCV is ON Soon after OCV switched from OFF to ON, engine idles roughly or stalls

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

      3. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT System (Bank 2).
      4. Operate the oil control valve using the Techstream, and then check the engine speed.

        Standard Condition

        Control Range Specified Condition
        OCV is OFF Normal engine speed
        OCV is ON Soon after OCV switched from OFF to ON, engine idles roughly or stalls

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

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