2008 Toyota Matrix Base, StandardFACTORY OEM SERVICE PROCEDURE

Camshaft Timing Oil Control Valve Assembly: Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Check the resistance.
      1. Using an ohmmeter, measure the resistance between the terminals.

        Resistance 

        TESTER CONNECTIONS AND SPECIFIED CONDITIONS

        Tester Connection Specified Condition
        1 (+B) - 2 (GND) 6.9 to 7.9 kΩ at 20°C (68°F)
        Fig 1: Identifying Camshaft Timing Oil Control Valve Assembly Resistance
        G05192698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

        Fig 2: Identifying Camshaft Timing Oil Control Valve Assembly Operation
        G05192699Courtesy 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.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.