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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2408 (Engine Control System - DTCS P0181 To P0550 (VK56DE)) >> DTC P0181: FTT Sensor >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUEL TANK TEMPERATURE (FTT) SENSOR
    1. Turn ignition switch OFF.
    2. Disconnect fuel level sensor unit and fuel pump harness connector.
    3. Remove fuel level sensor unit. Refer to FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY .
    4. Check resistance between fuel level sensor unit and fuel pump terminals by heating with hot water as shown in the figure.
    Terminals Condition Resistance (kΩ)
    4 and 3 Temperature [°C (°F)] 20 (68) 2.3 - 2.7
    50 (122) 0.79 - 0.90
    Fig 1: Checking Fuel Tank Temperature Sensor
    G08165000Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace fuel level sensor unit and fuel pump. Refer to FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY .