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Home › Nissan-Datsun › 2004 › Sentra SE-R › Repair and Diagnosis › External Pages › Different car › Section 2374 (Engine Control System - DTCS U0101 To P0183) › DTC P0181: FTT Sensor › Component Function Check

Component Function Check

WARNING: This page is about a different car, the 2011 Nissan Xterra. 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 "REMOVAL AND INSTALLATION ".
    4. Check resistance between fuel level sensor unit and fuel pump terminals by heating with hot water as shown in the figure.
      TERMINAL RESISTANCE REFERENCE CHART

      Terminals Condition Resistance (kΩ)
      3 and 4 Temperature [°C (°F)] 20 (68) 2.3 - 2.7
      50 (122) 0.79 - 0.90
      Fig 1: Checking Fuel Tank Temperature (FTT) Sensor By Heating With Hot Water
      G07152542Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Proceed to "DIAGNOSIS PROCEDURE ".

  2. CHECK INTERMITTENT INCIDENT

    Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Proceed to "DIAGNOSIS PROCEDURE ".

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