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Home >> Kia >> 2009 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> P0685: ECM/Pcm Power Relay Control Circuit/Open >> Monitor Scan Tool Data
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Monitor Scan Tool Data

  1. Connect scan tool to DLC (Data Link Connector)
  2. Warm up the engine to normal operating temperature.
  3. Monitor "Main Relay" parameter on scan tool.
    Fig 1: Scan Tool Display Screen - Main Relay
    G04883514Courtesy of KIA MOTORS AMERICA, INC.
  4. Is the "Main Relay" parameter displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in Sensor' s and/or PCM' s connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

    NO