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Home >> Hyundai >> 2010 >> Azera Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) >> DTC P0463: Fuel Level Sensor 'A' Circuit High Input >> Inspection/Repair >> Component Inspection

Component Inspection

  1. Ignition "OFF"
  2. Disconnect Fuel Sender & Fuel Pump Motor connector and remove Fuel sender from fuel tank.
  3. Measure resistance between terminal 4 and 6 of Fuel Sender. ( Component Side)

    4. Information not available from Manufacturer

  4. Does the resistance of FLS change as lifting up and down the fuel level float?

    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 

    • Substitute with a known - good Fuel Level Sender and check for proper operation. If the problem is corrected, replace Fuel Level Sender and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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