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Camshaft Oil Control Valve: Inspection

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

      Standard resistance 

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

      OK 

      TESTER CONNECTION SPECIFICATION

      Tester Connection 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
      Fig 1: Connecting Battery's Positive Lead To Terminal 1 And Negative (-) Lead To Terminal 2
      G05771202Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      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 output.

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