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Home >> Hyundai >> 2007 >> Santa Fe Limited, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3.3L) (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P2068 Fuel Level Sensor "B" Circuit High Input >> Component Inspection

Component Inspection

  1. Ignition "OFF"
  2. Remove Fuel Sender & Fuel pump motor and Fuel level sensor from tank
  3. Measure reistance between terminal 3 and 1 of Fuel Sender.(Component Side)
    Fig 1: Measuring Reistance Between Terminal 3 And 1 Of Fuel Sender
    G05349814Courtesy of HYUNDAI MOTOR CO.
  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 Sensor and check for proper operation.
    • If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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