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Home >> Hyundai >> 2007 >> Accent GLS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0646 A/C Clutch Relay Control Circuit Low >> Control Circuit Inspection
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Control Circuit Inspection

  1. IG "OFF".
  2. Disconnect A/C Relay.
  3. IG "ON".
  4. Measure the voltage between terminal 5 of A/C relay and ground.

    Specification: Approx. 11V

  5. Is the measured voltage within specification?

    YES  : --> Go to "COMPONENT INSPECTION " procedure.

    NO  : --> Repair Short to ground in A/C relay control circuit and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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