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Camshaft Timing Oil Control Valve Assembly: Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Measure the resistance between the terminals.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      1 - 2 20°C (68°F) 6.9 to 7.9 Ω

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

    2. 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 

        SPECIFIED CONDITION REFERENCE

        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
        Fig 1: Measuring Resistance Between Camshaft Timing Oil Control Valve Terminals
        G05386896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

        Fig 2: Inspecting Camshaft Timing Oil Control Valve Assembly
        G05183803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        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.
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