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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 CHART

      Tester Connection Specified Condition
      1 (+B) - 2 (GND) 6.9 to 7.9 Ω at 20°C (68°F)
      Fig 1: Measuring Resistance Of Oil Control Valve
      G04221327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    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
G04221328Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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