Camshaft Oil Control Valve (For Hatchback) On-Vehicle Inspection

Engine Hybrid System. Yaris. Ncp93, 131
1Nz-Fe Engine Control. Yaris. Ncp93, 131

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

Camshaft Oil Control Valve (For Hatchback) -- On-Vehicle Inspection



1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

  1. Connect the Techstream to the DLC3.

  1. Start the engine and warm it up.

  1. Turn the Techstream on.

  1. Inspect the camshaft timing oil control valve.

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

    2. Check the engine speed when the camshaft timing 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.
      OK:
      Control Range
      		Specified Condition
      OFF
      		Normal engine speed
      ON
      		Rough idle or engine stalls (soon after camshaft timing oil control valve switched from OFF to ON)