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Camshaft Timing Oil Control Valve Assembly: Inspection: Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Measure the resistance between the terminals.
      Fig 1: Measuring Resistance Between Terminals
      GTY104532Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance

      6.9 to 7.9 Ω at 20°C (68°F)

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

    2. Connect the battery's positive (+) lead to terminal 1 and negative (-) lead to terminal 2, and check the movement of the valve.
      Fig 2: Checking Movement Of Valve
      GTY104908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      Condition Specified Condition
      Battery positive (+) voltage is applied Valve moves in black arrow direction shown in illustration
      Battery positive (+) voltage is cut off Valve moves in white arrow direction shown in illustration

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

      NOTE:

      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 output.

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