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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0480: Fan 1 Control Circuit >> W/Harness Inspection >> Power Circuit Inspection
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Power Circuit Inspection

Check Voltage 

  1. IG "OFF" and disconnect Cooling fan relay (low).
  2. IG "ON".
  3. Measure voltage between battery power supply terminals of Cooling fan relay (low) harness connector and chassis ground.

    Specification:  Approx. B+

    Fig 1: Measuring Voltage Between Battery Power Supply Terminals Of Cooling Fan Relay (Low) Harness Connector And Chassis Ground
    G12090043Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Cooling Fan Relay (Low) Harness Connector End View
    G12090044Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured voltage within specification?

    YES 

    NO 

    • Check if cooling fan fusible link 30A is open or not installed.
    • Repair or replace as necessary and then, go to "Verification of Vehicle Repair " procedure.