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Home >> Nissan-Datsun >> 2007 >> Versa SL, 4D Hatchback, Automatic CVT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0181 To P0500 >> DTC P0462, P0463 Fuel Level Sensor >> On Board Diagnostic Logic

On Board Diagnostic Logic

NOTE:
  • If DTC P0462 or P0463 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC U1000, U1001. Refer to  "DTC U1000, U1001 CAN COMMUNICATION LINE "
  • If DTC P0462 or P0463 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to  "DTC U1010 CAN COMMUNICATION "
  • ECM receives two signals from the fuel level sensor circuit. One is fuel level sensor power supply circuit, and the other is fuel level sensor ground circuit. This diagnosis indicates the former, to detect open or short circuit malfunction.
DTC CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0462 0462 Fuel level sensor circuit low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors

    (CAN communication line is open or shorted)

  • Harness or connectors

    (Fuel level sensor circuit is open or shorted)

  • Combination meter
  • Fuel level sensor
P0463 0463 Fuel level sensor circuit high input An excessively high voltage from the sensor is sent to ECM.
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