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Home >> Hyundai >> 2007 >> Santa Fe GLS, AWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2.7L) (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0647 A/C Clutch Relay Control Circuit High >> Control Circuit Inspection

Control Circuit Inspection

  1. Check short in harness
    1. IG "ON".
    2. Disconnect A/C relay.
    3. Measure the voltage between terminal 85 of A/C relay harness connector and chassis ground.

      Specification : Approx. 0V

      Fig 1: Measuring Voltage Between Terminal 85 Of A/C Relay Harness Connector And Chassis Ground
      G05349222Courtesy of HYUNDAI MOTOR CO.
    4. Is the measured voltage within specification ?

      YES 

      NO 

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