Fuel Tank Temperature Sensor

WARNING: This page is about a different car, the 2004 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.

Remove fuel level sensor unit.
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 Fig 1 .

Fig 1: Testing Fuel Level Sensor Unit
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Fuel Level Sensor Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.