LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> EX35 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0130 Through P0442 >> DTC P0181: FTT Sensor >> Component Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

  1. CHECK FUEL TANK TEMPERATURE 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 "EXPLODED VIEW ".
    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 5 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 Fuel Tank Temperature Sensor
      G08193881Courtesy 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 ".