this may help...
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CONDITIONS FOR SETTING THE DTC The ignition control voltage is more than 4.9 volts .ACTION TAKEN WHEN THE DTC SETS
CONDITIONS FOR CLEARING THE MIL OR DTC
DIAGNOSTIC AIDS Intermittent test - If the connections and the harness check OK, monitor a DMM connected between VCM terminal C3 pin 9 and C4 pin 18 while moving related connectors and wiring harness. If the failure is induced, the voltage reading will change. This may help to isolate the location of the malfunction.An intermittent may be caused by any of the following conditions:
Thoroughly inspect any circuitry that is suspected of causing the intermittent complaint. Refer to Testing for Intermittent and Poor Connections in Diagrams.If a repair is necessary, refer to Wiring Repairs or Connector Repairs in Diagrams.