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Home >> Lexus >> 2009 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Information) >> Camshaft Timing Oil Control Valve Assembly >> On-Vehicle Inspection >> On-Vehicle Inspection
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On-Vehicle Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Warm up the engine.
    2. Turn the ignition switch OFF.
    3. Connect Techstream to the DLC3.
    4. Turn the ignition switch ON (IG).
    5. Turn the tester on.
    6. Enter the following menus:

      Select: Powertrain / Engine and ECT / Active Test / Control the VVT System (Bank 1).

    7. Check the engine speed when the OCV is operated by the Techstream.

      Idle speed

      650 to 750 RPM

      OK

      Condition Specified Condition
      VVT system is OFF (OCV is OFF) Normal engine speed
      VVT system is ON (OCV is ON) Rough idle or engine stalled
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