Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Lexus >> 2008 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Camshaft Timing Oil Control Valve Assembly >> On-Vehicle Inspection

On-Vehicle Inspection

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches
  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 

      SPECIFIED CONDITION

      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
scientia non olet · About Brad's Car Manuals