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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1437 (Engine Control System) >> DTC P0181: FTT Sensor >> Component Inspection >> Fuel Tank Temperature Sensor
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Fuel Tank Temperature Sensor

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    TEMPERATURE AND RESISTANCE CHART

    Temperature °C (°F) Resistance kΩ
    20 (68) 2.3 - 2.7
    50(122) 0.79-0.90
    Fig 1: Check Resistance Between "Fuel Level Sensor Unit & Fuel Pump" Terminals 4 & 5 By Heating With Hot Water Or Heat Gun
    G02401529Courtesy of NISSAN MOTOR CO., U.S.A.