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Home >> Nissan-Datsun >> 2011 >> Maxima S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 Through P0448 >> DTC 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 CHART

      Terminals Condition Resistance
      4 and 5 Temperature [°C (°F)] 20 (68) 2.3 - 2.7 kΩ
      50 (122) 0.79 - 0.90 kΩ

      Is the inspection result normal? 

      YES >> INSPECTION END

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

      Fig 1: Checking Resistance Between Fuel Level Sensor Unit And Fuel Pump Terminals With Hot Water
      G04875131Courtesy of NISSAN MOTOR CO., U.S.A.
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