Fuel Tank Temperature Sensor

WARNING: This page is about a different car, the 2005 Infiniti FX35. 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.

FUEL LEVEL SENSOR TEMPERATURE AND RESISTANCE SPECIFICATION

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

Fig 1: Checking Resistance Between "Fuel Level Sensor Unit And Fuel Pump" Terminals 4 And 5

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