Camshaft Oil Control Valve On-Vehicle Inspection

Engine Hybrid System. Corolla. Zre142 Aze141
2Az-Fe Engine Control. Corolla. Zre142 Aze141

  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 Techstream to the DLC3.

  1. Start the engine.

  1. Turn the Techstream 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 Techstream with the engine coolant temperature at 50°C (122°F) or less.

      HINT:
      1. When performing the active test, the air conditioning should be on.
      2. Engine coolant temperature when the engine is started should be 30°C (86°F) or less.
      Standard:
      Control Range
      		Specified Condition
      OFF
      		Normal engine speed
      ON
      		Rough idle or engine stalls (soon after oil control valve switched from OFF to ON)