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Home >> Hyundai >> 2012 >> Veracruz GLS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0685: PCM Power Relay Control Circuit Open >> Inspection Repair >> W/Harness Inspection >> Control Circuit Inspection
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Control Circuit Inspection

  1. IG "OFF".
  2. Disconnect main relay and PCM connector.
  3. Measure the resistance between control terminal of main relay harness connector and main relay control terminal of PCM harness connector.
    1. Specification: Approx. below 1 Ω
    Fig 2: Measuring Resistance Between Control Terminal Of Main Relay Connector & Main Relay Control Terminal Of PCM Connector
    G06860575Courtesy of HYUNDAI MOTOR CO.
  4. Is the measured resistance within specifications?

    YES

    1. Go to COMPONENT INSPECTION  procedure.

    NO

    1. Repair or replace as necessary and then, go to VERIFICATION OF VEHICLE REPAIR  procedure.