Fuel Tank Temperature Sensor

WARNING: This page is about a different car, the 2004 Nissan Quest. 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 the figure.

Fig 1: Checking Resistance Between Terminals 4 And 5
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Displaying Temperature And Resistance Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.