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Home >> Nissan-Datsun >> 2019 >> Versa Note S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 3) >> DTC/Circuit Diagnosis >> DTC P0181: FTT Sensor >> Component Function Check

Component Function Check

  1. CHECK FUEL TANK TEMPERATURE (FTT) SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect fuel level sensor unit and fuel pump harness connector.
    3. Remove fuel level sensor unit. Refer to Removal and Installation .
    4. Check resistance between fuel level sensor unit and fuel pump terminals by heating with hot water as shown in the figure.
      GNSJMBIA0167Z-167Courtesy of NISSAN NORTH AMERICA, INC.

      Fuel level sensor unit and fuel pump

      Condition

      Resistance (kΩ)

      Terminal

      4

      5

      Temperature [°C (°F)]

      20 (68)

      2.3 - 2.7

      50 (122)

      0.79 - 0.90

    Is the inspection result normal?

    YES

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    Proceed to Diagnosis Procedure .