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Home >> Nissan-Datsun >> 2009 >> Maxima S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 To P0448 >> P0181 FTT Sensor >> Component Inspection
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Component Inspection

  1. CHECK FUEL TANK TEMPERATURE SENSOR
    1. Turn ignition switch OFF.
    2. Remove fuel level sensor unit.
    3. Check resistance between "fuel level sensor unit and fuel pump" terminals by heating with hot water as shown in the figure.
    RESISTANCE REFERENCE

    Terminals Condition Resistance
    4 and 5 Temperature [°C (°F)] 20 (68) 2.3 - 2.7 kΩ
    50 (122) 0.79 - 0.90 kΩ
    Fig 1: Checking Resistance Between Fuel Level Sensor Unit And Fuel Pump
    G05869810Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace "fuel level sensor unit and fuel pump".