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Home >> Hyundai >> 2006 >> Accent Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0645 A/C Clutch Relay Control Circuit >> Power Circuit Inspection

Power Circuit Inspection

  1. Check Voltage of power circuit from battery
    1. IG "OFF".
    2. Disconnect A/C Relay.
    3. IG "ON".
    4. Measure the voltage between terminal 3 of A/C Relay harness connector and ground.

      Specification: B+

    5. Is the measured voltage within specification?

      YES  : --> Go to "CONTROL CIRCUIT INSPECTION " procedure.

      NO  : --> Check "10A SNSR" fuse between a main relay and a A/C relay.

      --> Check Open or Short to ground in power circuit of A/C relay and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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