LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2014 >> Equus Signature >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0685: ECM/PCM Power Relay Control Circuit/Open >> Wiring Inspection >> Control Relay Power Circuit Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Relay Power Circuit Inspection

  1. IG "OFF" and disconnect the main relay and ECM connector.
  2. Measure the resistance between control relay power terminal of main relay harness connector and main relay control relay power terminal of ECM harness connector.

    Specification:  Approx. below 1Ω

  3. Is the measured resistance within specification?

    YES 

    NO