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Home >> Nissan-Datsun >> 2020 >> 370Z Base, Automatic Trans >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp & Indicator (Diagnostics) >> Component Parts/Circuit Diagnosis >> Fuel Level Sensor Signal Circuit >> Component Inspection

Component Inspection

  1. CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (MAIN) 
    1. Remove the fuel level sensor unit and fuel pump (main). Refer to FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY : Removal & Installation .
    2. Check the resistance between fuel level sensor unit and fuel pump (main).

      Terminals

      Condition

      Resistance (Ohm)

      (Approx.)

      Height [mm (in)]

      Fuel level sensor unit and fuel pump (main)

      2

      3

      Full (A)

      3

      226 (8.90)

      Empty (B)

      80

      39 (1.54)

      GNSJSNIA8501Z-501Courtesy of NISSAN NORTH AMERICA, INC.

    Is inspection result OK?

    YES

    GO TO 2.

    NO

    Replace fuel level sensor unit and fuel pump (main). Refer to FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY : Removal & Installation .

  2. CHECK FUEL LEVEL SENSOR UNIT (SUB) 
    1. Remove the fuel level sensor unit (sub). Refer to FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY : Removal & Installation .
    2. Inspect the resistance of fuel level sensor unit (sub).

      Terminals

      Condition

      Resistance (Ohm)

      (Approx.)

      Height [mm (in)]

      Fuel level sensor unit (sub)

      2

      3

      Full (A)

      3

      30 (1.18)

      Empty (B)

      41

      238 (9.37)

      GNSJSNIA8502Z-502Courtesy of NISSAN NORTH AMERICA, INC.

    Is inspection result OK?

    YES

    INSPECTION END

    NO

    Replace fuel level sensor unit (sub). Refer to FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY : Removal & Installation .