WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Check resistance by heating with hot water or heat gun as shown in the figure.
Fig 1: Checking Fuel Tank Temperature Sensor Resistance
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Fuel Tank Temperature Sensor Specifications