Component Inspection

REMOVE FUEL LEVEL SENSOR UNIT
Remove the fuel level sensor unit. Refer to "REMOVAL AND INSTALLATION ".

GO TO 2.

CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (MAIN)

Check the resistance between fuel level sensor unit and fuel pump (main).

TERMINALS RESISTANCE REFERENCE

Terminals				Condition	Resistance (Ω)	Height [mm (in)]
Fuel level sensor unit (main)
(+)		(-)
Connector	Terminal	Connector	Terminal
B40	2	B40	5	Full	2.5	193 (7.6)
B40	2	B40	5	Empty	81.5	15 (0.59)

Fig 1: Checking Resistance Between Fuel Level Sensor Unit And Fuel Pump (Main)

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

Is inspection result OK?

YES: GO TO 3.

NO: Replace fuel level sensor unit and fuel pump (main).

CHECK FUEL LEVEL SENSOR UNIT (SUB)

Inspect the resistance of fuel level sensor unit (sub).

TERMINALS RESISTANCE REFERENCE

Terminals				Condition	Resistance (Ω)	Height [mm (in)]
Fuel level sensor unit (sub)
(+)		(-)
Connector	Terminal	Connector	Terminal
B301	6	B301	7	Full	2.5	198 (7.8)
B301	6	B301	7	Empty	45.2	10 (0.39)

Fig 2: Inspecting Resistance Of Fuel Level Sensor Unit (Sub)

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

Is inspection result OK?

YES: INSPECTION END

NO: Replace fuel level sensor unit (sub).