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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1070 (Meter, Warning Lamp & Indicator) >> DTC/Circuit Diagnosis >> Fuel Level Sensor Signal Circuit >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  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) Empty 10 (0.4) 81.5Ω
    (2) Full 211.1 (8.3) 5Ω
    (1) and
    (2) When float arm is in contact with stopper.

    Is inspection result normal? 

    YES: Inspection End.

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

    Fig 1: Checking Resistance Between Fuel Level Sensor Unit And Fuel Pump Terminals 2 And 5
    G04903767Courtesy of NISSAN NORTH AMERICA, INC.