Camshaft Oil Control Valve On-Vehicle Inspection

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
3Zr-Fae Engine Control System. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

Camshaft Oil Control Valve -- On-Vehicle Inspection



1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
  1. Connect the intelligent tester to the DLC3.

  1. Start the engine.

  1. Turn the tester on.

  1. Inspect the oil control valve (for intake camshaft).

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

    2. Check the engine speed when the oil control valve is operated using the intelligent tester with the engine coolant temperature 50°C (122°F) or less.

      HINT:
      1. When performing the Active Test, the air conditioning should be on.
      2. The engine coolant temperature when engine is started should be 30°C (86°F) or less.
        OK:
        Condition
        Specified Condition
        Oil control valve OFF
        Normal engine speed
        Oil control valve ON
        Rough idle or engine stalled
        (soon after oil control valve switched from OFF to ON)
  1. Inspect the oil control valve (for exhaust camshaft).

    1. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Exhaust Linear (Bank 1).

    2. Check the engine speed when the oil control valve is operated using the intelligent tester with the engine coolant temperature 50°C (122°F) or less.

      HINT:
      1. When performing the Active Test, the air conditioning should be on.
      2. The engine coolant temperature when engine is started should be 30°C (86°F) or less.
        OK:
        Condition
        Specified Condition
        -128% (Oil control valve OFF)
        Normal engine speed
        127% (Oil control valve ON)
        Rough idle or engine stalled
        (soon after oil control valve switched from OFF to ON)