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Home >> Genesis >> 2019 >> G80 3.8, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.8L (3 Of 3) >> DTC P0685: ECM/PCM Power Relay Control Circuit/Open >> Wiring Inspection >> Control Circuit Inspection >> Check Short In Harness

Check Short In Harness

  1. IG "OFF". Disconnect the metal core box and ECM (PCM) connector.
  2. Measure the resistance between main relay control terminal of metal core box harness connector and chassis ground.

    Specification:  Infinite

  3. Is the measured resistance within specification?

    YES 

    NO 

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