Fuel Tank Temperature Sensor

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.