Camshaft Oil Control Valve

1AR-FE ENGINE CONTROL: CAMSHAFT OIL CONTROL VALVE: ON-VEHICLE INSPECTION

1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

(a) Connect the Techstream to the DLC3.

(b) Start the engine and turn the Techstream on.

(c) Inspect the oil control valve (for intake side).

(1) Enter the following menus: Powertrain / Engine / 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
* When performing the Active Test, the air conditioning should be on.
* Engine coolant temperature when the engine is started should be 30°C (86°F) or less.

OK:





If the result is not as specified, check the oil control valve, wire harness and ECM.

(d) Inspect the oil control valve (for exhaust side).

(1) Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Exhaust Linear (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
* When performing the Active Test, the air conditioning should be on.
* Engine coolant temperature when engine is started should be 30°C (86°F) or less.

OK:





If the result is not as specified, check the oil control valve, wire harness and ECM.