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Home >> Nissan-Datsun >> 2013 >> Quest SL >> 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.
      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 Fuel Tank Temperature Sensor
      G08959746Courtesy 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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