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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 191 (Engine Control System - DTCS P0171 To P0456) >> DTC P0181 FTT Sensor >> Component Inspection >> Fuel Tank Temperature Sensor
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Fuel Tank Temperature Sensor

WARNING: This page is about a different car, the 2010 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove fuel level sensor unit.
  2. Check resistance between "fuel level sensor unit and fuel pump" terminals 4 and 5 by heating with hot water or heat gun as shown in the figure.
RESISTANCE REFERENCE CHART

Temperature [°C (°F)] Resistance (kΩ)
20 (68) 2.3 - 2.7
50 (122) 0.79 - 0.90
Fig 1: Checking Resistance Between Fuel Level Sensor Unit And Fuel Pump Terminal 4 And 5
G04875131Courtesy of NISSAN MOTOR CO., U.S.A.