Fuel Tank Temperature Sensor

WARNING: This page is about a different car, the 2005 Nissan Pathfinder. 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 3 and 4 by heating with hot water or heat gun as shown in Fig 1.

FUEL TANK TEMPERATURE SENSOR TEMPERATURE AND RESISTANCE SPECIFICATIONS

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

Fig 1: Checking Resistance Between Fuel Tank Temperature Sensor Unit And Fuel Pump Connector Terminals 3 And 4

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