Component Inspection

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUEL TANK TEMPERATURE (FTT) SENSOR

Turn ignition switch OFF.
Disconnect fuel level sensor unit and fuel pump harness connector.
Remove fuel level sensor unit. Refer to "REMOVAL AND INSTALLATION ".
Check resistance between fuel level sensor unit and fuel pump terminals by heating with hot water as shown in the figure.

Terminals	Condition		Resistance (kΩ)
4 and 5	Temperature [°C (°F)]	20 (68)	2.3 - 2.7
4 and 5	Temperature [°C (°F)]	50 (122)	0.79 - 0.90

Fig 1: Checking Fuel Tank Temperature Sensor

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: INSPECTION END

NO: Replace fuel level sensor unit and fuel pump. Refer to "REMOVAL AND INSTALLATION ".