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Home >> Hyundai >> 2007 >> Veracruz Limited, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0480 Fan 1 Control Circuit Malfunction >> Control Circuit Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Control Circuit Inspection

  1. IG "OFF"
  2. Disconnect the Cooling fan relay (low) (Radiator fan relay)
  3. IG "ON" & ENG "OFF"
  4. Measure voltage between Fan Relay Control (Low) terminal of Cooling fan relay (low) (Radiator fan relay) harness connector and chassis ground.

    Specification : Approx. 2.5V

  5. Is the measured voltage within specifications?

    YES: 

    • Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    NOTE: There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM. Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others.

    NO: 

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