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Camshaft Oil Control Valve: Inspection: Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    Fig 1: Inspect Camshaft Timing Oil Control Valve Assembly
    GTY273447Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 camshaft timing oil control valve assembly.

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

      OK

      Tester Connection Measurement Condition Specified Condition
      1 - 2 Battery positive (+) voltage is applied Valve moves in left arrow direction shown in illustration
      1 - 2 Battery positive (+) voltage is cut off Valve moves in right arrow direction shown in illustration

      If the result is not as specified, replace the camshaft timing 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 output.

      NOTE:

      Do not allow foreign matter to contact the oil seal face of the camshaft timing oil control valve (connecting surface with cylinder head cover sub-assembly).