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Home >> Infiniti >> 2024 >> Q50 Sensory, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component Parts/Circuit Diagnosis >> Fuel Tank Temperature Sensor >> Component Inspection
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Component Inspection

  1. CHECK FUEL TANK TEMPERATURE SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect "fuel level sensor unit and fuel pump" harness connector.
    3. Remove fuel level sensor unit. Refer to FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY : Removal and Installation .
    4. Check resistance between "fuel level sensor unit and fuel pump" terminals by heating with hot water as shown in the illustration.
      GNSDB106706Courtesy of NISSAN NORTH AMERICA, INC.
      Terminals Condition Resistance (kΩ)
      7 and 8 Temperature [°C (°F)] 20 (68) 2.3 - 2.7
      50 (122) 0.79 - 0.90

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Replace "fuel level sensor unit and fuel pump". Refer to FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY : Removal and Installation .