Variable Valve Timing Actuator: Testing and Inspection

2AZ-FE ENGINE CONTROL SYSTEM: CAMSHAFT OIL CONTROL VALVE: INSPECTION

1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

(a) Measure the resistance between the terminals.





Standard resistance:





If the result is not as specified, replace the oil control valve assembly.

(b) Check the operation.





(1) Connect the positive (+) battery lead to terminal 1 and the negative (-) lead to terminal 2, and check the movement of the valve.

OK:





If the result is not as specified, replace the oil control valve.

NOTICE:
If the valve cannot return properly because of foreign matter intrusion, a small amount of leakage in the advanced direction may occur and a DTC may be output.