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Home >> Infiniti >> 2013 >> JX35 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> 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. Refer to "EXPLODED VIEW ".
    3. Check resistance between "fuel level sensor unit and fuel pump" terminals by heating with hot water as shown in the figure below.
      Mass air flow sensor Condition Resistance (kΩ)
      + -
      Terminals
      3 1 Temperature [°C (°F)] 20 (68) 2.3 - 2.7 kΩ
      50 (122) 0.79 - 0.90 kΩ
      Fig 1: Checking Fuel Tank Temperature Sensor
      G08769217Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace fuel level sensor unit and fuel pump. Refer to "EXPLODED VIEW ".

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