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Home >> Kia >> 2010 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0685: ECM/PCM Power Relay Control Circuit/Open >> Scantool Diagnostics >> Monitor Scantool Data
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Monitor Scantool Data

  1. Connect scantool to DLC (Data Link Connector)
  2. Warm up the engine to normal operating temperature.
  3. Monitor "Main Relay" parameter on scantool.
    Fig 1: Scantool Display - Current Data
    G06837031Courtesy 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