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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp Indicator (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Fuel Level Sensor Signal Circuit >> Component Inspection

Component Inspection

  1. REMOVE FUEL LEVEL SENSOR UNIT (MAIN) 

    Remove the fuel level sensor unit (main). Refer to Removal and Installation .

    GO TO 2.

  2. CHECK FUEL LEVEL SENSOR UNIT (MAIN) 

    Check the resistance between fuel level sensor unit and fuel pump.

    GNSJSNIA9725Z-725Courtesy of NISSAN NORTH AMERICA, INC.

    Terminals

    Condition

    Resistance (Ohm)

    (Approx.)

    Height [mm (in)]

    Fuel level sensor unit (main)

    2

    3

    Full * (A)

    44

    202.3 (7.96)

    Empty * (B)

    142

    36.8 (1.449)

    *: When float rod is contact with stopper.

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Replace fuel level sensor unit and fuel pump (main). Refer to Removal and Installation .

  3. REMOVE FUEL LEVEL SENSOR UNIT (SUB) 

    Remove the fuel level sensor unit (sub). Refer to Removal and Installation .

    GO TO 4.

  4. CHECK FUEL LEVEL SENSOR UNIT (SUB) 

    Check the resistance between fuel level sensor unit (sub).

    GNSJSNIA9726Z-726Courtesy of NISSAN NORTH AMERICA, INC.

    Terminals

    Condition

    Resistance (Ohm)

    (Approx.)

    Height [mm (in)]

    Fuel level sensor unit (main)

    2

    3

    Full * (A)

    7

    3.9 (0.154)

    Empty * (B)

    142

    175.8 (6.92)

    *: When float rod is contact with stopper.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace fuel level sensor unit (sub). Refer to Removal and Installation .