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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 588 (Engine Control System - Coupe) >> 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 Infiniti G35. 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 RESISTANCE

    Temperature °C (°F) Resistance k52
    20 (68) 2.3-2.7
    50 (122) 0.79-0.90
    Fig 1: Checking Resistance Between Fuel Level Sensor Unit & Fuel Pump Terminals 4 & 5 By Hot Water
    G02333545Courtesy of NISSAN MOTOR CO., U.S.A.