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Camshaft Oil Control Valve: Inspection: Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      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. Connect the battery positive (+) lead to terminal 1 and negative (-) lead to terminal 2 and check the movement of the valve.
      Fig 1: Inspecting Camshaft Timing Oil Control Valve Assembly
      GTY312703Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      Condition Specified Condition
      Battery positive (+) voltage is applied Valve moves in left arrow direction shown in illustration
      Battery positive (+) voltage is cut off Valve moves in right arrow direction shown in illustration
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Camshaft Timing Oil Control Valve)

      If the result is not as specified, replace the oil control valve assembly. If the valve cannot return properly because of foreign matter, a small pressure leak in the advanced direction may occur and a DTC may be stored.