Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Hyundai >> 2010 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0647: A/C Clutch Relay Control Circuit High >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Detects circuit short to high voltage
  • Poor connection
  • Short to power in A/C relay circuit
  • Faulty A/C relay
  • Faulty PCM
Enable Conditions
  • After 0.5 sec under conditions below
  • No DTC exists
  • Engine works
  • 11V ≤ Battery voltage ≤ 16V
Threshold value
  • Short to power
Diagnosis Time
  • Continuous (More than 5 seconds failure for every 10 seconds test)
MIL On Condition
  • DTC only (NO MIL ON)