Camshaft Timing Oil Control Valve Assembly: Inspection

Standard resistance 

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

Fig 1: Measuring Resistance Between Camshaft Timing Oil Control Valve Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   OK 

   CAMSHAFT TIMING OIL CONTROL VALVE CONDITION
   
   

   Condition	Specified Condition
   Battery positive (+) voltage applied	Valve moves to the left as shown in the illustration
   Battery positive (+) voltage cut off	Valve moves to the right as shown in the illustration

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

   NOTE: 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.
   Fig 2: Inspecting Camshaft Timing Oil Control Valve Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002