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Home › Nissan-Datsun › 2012 › Xterra PRO-4X, Automatic Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS U0101 To P0183 › DTC P0181: FTT Sensor › Component Function Check

Component Function Check

  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.
    Terminals Condition Resistance (kΩ)
    3 and 4 Temperature [°C (°F)] 20 (68) 2.3 - 2.7
    50 (122) 0.79 - 0.90

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Proceed to "DIAGNOSIS PROCEDURE ".

    Fig 1: Checking Resistance Between Fuel Level Sensor Unit And Fuel Pump Terminals
    G08201090Courtesy of NISSAN NORTH AMERICA, INC.
  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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