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Home >> Kia >> 2007 >> Sorento Base, A5SR2 >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> Troubleshooting For DTC >> DTC P0685 ECM/Pcm Power Relay Control Circuit/Open >> Power Circuit Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Power Circuit Inspection

  1. IG "OFF"
  2. Disconnect Main Relay
  3. IG "ON" & ENG "OFF".
  4. Measure the voltage between terminal 30 of main relay harness connector and chassis ground.
  5. Measure the voltage between terminal 86 of main relay harness connector and chassis ground.

    Specification: B+

  6. Is the measured voltage within specification?

    YES 

    NO 

    • Check fuse between battery and main relay is disconnected.
    • Repair or replace open or short in harness and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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