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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator -- M37/M56 >> Symptom Diagnosis >> The Fuel Gauge Indicator Does Not Operate >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK COMBINATION METER OUTPUT SIGNAL
    1. Connect CONSULT-III.
    2. Select the "Data Monitor" for the "METER/M&A" and compare the "FUEL METER" monitor value with the fuel gauge reading on the combination meter. Refer to "COMPONENT FUNCTION CHECK ".

      Does monitor value match fuel gauge reading? 

      YES: GO TO 2.

      NO: Replace combination meter. Refer to "REMOVAL AND INSTALLATION ".

  2. CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT

    Check the fuel level sensor signal circuit. Refer to "DIAGNOSIS PROCEDURE ".

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Repair harness or connector.

  3. CHECK FUEL LEVEL SENSOR UNIT

    Perform a unit check for the fuel level sensor unit. Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Replace fuel level sensor unit (main or sub). Refer to "REMOVAL AND INSTALLATION ".

  4. CHECK FLOAT INTERFERENCE

    Check that the float arm interferes with or binds to other components in the fuel tank.

    Is the inspection result normal? 

    YES: Replace combination meter. Refer to "REMOVAL AND INSTALLATION ".

    NO: Repair or replace malfunctioning parts.