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Home >> Kia >> 2014 >> Sorento EX, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.3L (3 Of 3) >> DTC P0685: ECM/PCM Power Relay Control Circuit/Open >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Detects a short to ground, short to battery (+), or open control circuit on the main relay
  1. Poor connection
  2. Open or short in control circuit
  3. Faulty main relay
  4. Faulty PCM
Enable Conditions
  • Engine running
  • Ignition voltage between 11V and 16V
Threshold Value
  • Open or short in circuit
Diagnosis Time
  • Continuous (More than 5 seconds of failure for every 10 seconds of testing)
MIL On Condition
  • DTC only (No MIL On)

* If the main relay has a fault (ex. when the engine is running), DTC's P0638/P0685/P1295/P2106, can set at the same time.

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