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Home >> Infiniti >> 2004 >> QX56 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System >> 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 4 and 5 by heating with hot water or heat gun as shown in the figure.
    CHECKING RESISTANCE REFERENCE DATA

    Temperature ° (°F) Resistance kΩ
    20 (68) 2.3 - 2.7
    50 (122) 0.79 - 0.90
    Fig 1: Checking Resistance Between Fuel Level Sensor Unit And Fuel Pump Terminals In Hot Water
    G02691340Courtesy of NISSAN MOTOR CO., U.S.A.
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