LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 Through P0456 >> DTC P0181: FTT Sensor >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

  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 below.
      Terminals Condition Resistance (kΩ)
      4 and 5 Temperature [°C (°F)] 20 (68) 2.3 - 2.7
      50 (122) 0.79 - 0.90
      Fig 1: Checking Fuel Tank Temperature Sensor
      G08649215Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace "fuel level sensor unit and fuel pump". Refer to "EXPLODED VIEW ".

scientia non olet · About LEMON Manuals