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Home >> Hyundai >> 2007 >> Santa Fe SE, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3.3L) (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0480 Fan 1 Control Circuit Malfunction >> Control Circuit Inspection

Control Circuit Inspection

  1. IG "OFF"
  2. Disconnect the Radiator fan relay
  3. IG "ON" & ENG "OFF"
  4. Measure voltage between terminal 86 of the Radiator fan relay harness connector and chassis ground.

    Specification : Approx. 2.5V

    Fig 1: Measuring Voltage Between Terminal 86 Of Radiator Fan Relay Connector And Chassis Ground
    G05349711Courtesy of HYUNDAI MOTOR CO.
  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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