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Home >> Infiniti >> 2009 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0308 >> DTC P0181: FTT Sensor >> Component Inspection >> Fuel Tank Temperature Sensor
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Fuel Tank Temperature Sensor

  1. Remove fuel level sensor unit.
  2. Check resistance between "fuel level sensor unit and fuel pump" terminals 3 and 4 by heating with hot water as shown in the figure.
    RESISTANCE REFERENCE CHART

    Temperature °C (°F)] Resistance (kΩ)
    20 (68) 2.3 - 2.7
    50 (122) 0.79 - 0.90

    If NG, replace fuel level sensor unit.

    Fig 1: Checking Resistance Between Fuel Level Sensor Unit And Fuel Pump Terminals 3 And 4
    G06315576Courtesy of NISSAN MOTOR CO., U.S.A.
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