LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2012 >> Altima Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator >> DTC/Circuit Diagnosis >> Fuel Level Sensor Signal Circuit >> Component Inspection

Component Inspection

  1. REMOVE FUEL LEVEL SENSOR UNIT

    Remove the fuel level sensor unit. Refer to "REMOVAL AND INSTALLATION ".

    GO TO 2

  2. CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP

    Check the resistance between terminals 2 and 5.

    Terminal Float position mm (in) Resistance value (Approx.)
    2 5 1(1) Full (1) 155.4 (6.1)
    2(2) Empty (2) 22.9 (0.9) 80Ω
    (1) When float arm is in contact with stopper.
    (2) When float arm is in contact with stopper.
    Fig 1: Checking Fuel Level Sensor Unit And Fuel Pump
    G04889721Courtesy of NISSAN NORTH AMERICA, INC.

    Is inspection result normal? 

    YES: Inspection End.

    NO: Replace fuel level sensor unit and fuel pump. Refer to "REMOVAL AND INSTALLATION ".