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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 >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible cause
DTC Strategy
  • Detects a short to ground, to battery or open circuit on Main Relay output Fault information provided by an output driver chip.
  • Poor Connection
  • Open or short in control circuit.
  • Main Relay
  • PCM
Enable Conditions
  • Engine Running
  • 11V ≤ Ignition Voltage ≤ 16V
  • Enable Time delay ≥ 0.5sec.
  
Threshold value
  • Open or Short
Diagnosis Time
  • Continuous (More than 5sec. Failure for every 10 sec. test)
MIL On Condition
  • DTC only (NO MIL ON)
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