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Home >> Infiniti >> 2008 >> EX35 Base, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 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. Disconnect "fuel level sensor unit and fuel pump" harness connector.
    3. Remove fuel level sensor unit.
    4. Check resistance between "fuel level sensor unit and fuel pump" terminals by heating with hot water as shown in the figure.
      RESISTANCE SPECIFICATIONS

      Terminals Condition Resistance (kΩ)
      4 and 5 Temperature [°C (°F)] 20 (68) 2.3 - 2.7
      50 (122) 0.79 - 0.90
      Fig 1: Checking Fuel Tank Temperature Sensor
      G04886518Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: INSPECTION END

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