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Home >> Hyundai >> 2011 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P0646: A/C Clutch Relay Control Circuit Low >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  1. Open or short to ground in power circuit
  2. Open or short to ground in Control circuit
  3. Poor connection or damaged harness
  4. Faulty A/C Compressor Relay
Enable Conditions
  • 10V< Battery voltage <16V
Threshold Value
  • Short to Ground or Line Break
Diagnostic Time
  • 50 sec.
Mil On Condition
  • -