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Home › Hyundai › 2002 › XG350 Base › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 2) › Diagnostic Tests › DTC P0463: Fuel Level Sensor A Circuit High Input › Inspection/Repair › Component Inspection

Component Inspection

  1. Ignition "OFF".
  2. Disconnect Fuel Level Sensor connector.
  3. Measure resistance between terminal "1" and "3" of the Fuel Level Sensor connector during lifting fuel float up and down (To Component Side).
    FLS SPECIFICATIONS

    FLS Normal Parameter
    Float position Full gauge 3/4 1/2 1/4 Empty gauge
    Resistance 8Ω 36Ω 66Ω 110Ω 200Ω
    Fuel volume 68 l  52 l  38 l  23 l  5 l 
    Fig 1: Measuring Resistance Between Terminal "1" And "3" Of Fuel Level Sensor Connector During Lifting Fuel Float Up And Down (To Component Side)
    G07326055Courtesy of HYUNDAI MOTOR CO.
  4. Is the measured resistance of Fuel Level Sensor 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.

    NO

    • Substitute with a known - good Fuel Level Sensor and check for proper operation.

      If the problem is corrected, replace Fuel Level Sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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