Camshaft Timing Oil Control Valve Assembly: Inspection

Standard resistance 

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

Fig 1: Measuring Resistance Of Oil Control Valve

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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: Checking Camshaft Timing Oil Control Valve Operation

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