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Home >> Kia >> 2007 >> Amanti >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0685 ECM/Pcm Power Relay Control Circuit /Open >> Power Circuit Inspection

Power Circuit Inspection

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