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).

RESISTANCE REFERENCE

Terminal		Float position	Resistance value (Ω)
2	5	Full (A)	Approx. 3
2	5	Empty (B)	Approx. 80

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

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

Standard float position

FLOAT POSITION REFERENCE

Float position [mm (in)]
Full (A)	Approx. 206.1 (8.11)
Empty (B)	Approx. 34.5 (1.36)

Is the 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).

RESISTANCE REFERENCE

Terminal		Float position	Resistance value (Ω)
1	2	Full (A)	Approx. 3
1	2	Empty (B)	Approx. 42.5

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

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

Standard float position

RESISTANCE REFERENCE

Float position [mm (in)]
Full (A)	Approx. 5.5 (0.22)
Empty (B)	Approx. 176.8 (6.96)

Is the inspection result OK?

YES: INSPECTION END

NO: Replace fuel level sensor unit (sub).