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Home >> Kia >> 2009 >> Sorento Base, A5SR2 >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 3) >> P0480: Fan 1 Control Circuit >> Control Circuit Inspection

Control Circuit Inspection

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

    Specification: Prix. 2.5V

    Fig 1: Measuring Voltage Between Terminal 4 Of Cooling Fan Relay (Low) Harness Connector And Chassis Ground
    G06411947Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured voltage within specifications?

    YES 

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

    NO 

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