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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) >> DTC P0463: Fuel Level Sensor 'A' Circuit High Input >> W/Harness Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

Check voltage 

  1. IG "OFF" and disconnect Fuel Sender & Fuel Pump Motor connector and cluster connector.
  2. IG "ON".
  3. Measure voltage between Fuel Sender Input signal terminal of Fuel Sub Sender harness connector and chassis ground.

    Specification:  Approx. 0V

    Fig 1: Measuring Voltage Between Fuel Sender Input Signal Terminal Of Fuel Sub Sender Harness Connector And Chassis Ground
    G12088300Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured voltage within specification?

    YES 

    NO