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Home >> Infiniti >> 2012 >> QX56 AWD >> 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

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

    Terminals Condition Resistance (Ω) (Approx.) Height [mm (in)]
    Fuel level sensor unit
    2 5 Full(1) (A) 46.0 280.7 (11.05)
    Empty(1) (B) 283.0 29.4 (1.157)
    (1) When float rod is contact with stopper.
    Fig 1: Checking Fuel Level Sensor Unit
    G07026081Courtesy of NISSAN NORTH AMERICA, INC.

    Is inspection result OK? 

    YES: INSPECTION END

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