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Home >> Hyundai >> 2007 >> Azera SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P2068 Fuel Level Sensor "B" Circuit High Input >> Component Inspection
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Component Inspection

  1. Ignition "OFF"
  2. Remove Fuel Sender & Fuel pump motor from fuel tank.
  3. Measure resistance between terminal 5 and 6 of Fuel Sender & Fuel pump motor. (Component Side)
    Fig 1: Measuring Resistance Between Terminal 5 And 6 Of Fuel Sender & Fuel Pump Motor
    G05345208
  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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