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Home >> Infiniti >> 2011 >> 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.

    RESISTANCE SPECIFICATION

    Terminals Condition Resistance (Ω) (Approx.) Height [mm (in)]
    Fuel level sensor unit
    2 5 Full(1) (A) 46.0 282 (11.10)
    Empty(1) (B) 278.0 29 (1.14)
    (1) When float rod is contact with stopper.
    Fig 1: Checking Fuel Level Sensor Unit
    G07026081Courtesy of NISSAN MOTOR CO., U.S.A.

    Is inspection result OK? 

    YES: INSPECTION END

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