Fuel Tank Temperature Sensor

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Remove "fuel level sensor unit and fuel pump".

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.

FUEL TANK TEMPERATURE SENSOR RESISTANCE

Temperature °C (°F)	Resistance kΩ
20 (68)	2.3 - 2.7
50 (122)	0.79 - 0.90

Fig 1: Checking Fuel Level Sensor Resistance

Courtesy of NISSAN MOTOR CO., U.S.A.