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Camshaft Timing Oil Control Valve Assembly: Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Measure the resistance of the oil control valve.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

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

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

      Fig 1: Inspecting Camshaft Timing Oil Control Valve Assembly
      G05183802Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check the operation.
      1. Apply battery voltage across the terminals and check that the spool valve operates.
      NOTE: Check that the spool valve is not stuck.

      HINT:

      The spool valve may not return if foreign objects are caught in it. This may cause subtle pressure leaks to the advance side, and a DTC may be set.

      Fig 2: Applying Battery Voltage Across Terminals
      G05183803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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