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Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 250 (Engine Control System) >> 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 2004 Infiniti FX35. 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, see Fig 1, by heating with hot water or heat gun as shown in Fig 2.
Fig 1: Identifying FTT Sensor Testing Specifications
G00726295Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Testing Fuel Level Sensor Unit Resistance
G00726296Courtesy of NISSAN MOTOR CO., U.S.A.