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 CHART

Terminal		Float position	Resistance value (Ω)
2	5	Full (A)	Approx. 3
2	5	Empty (B)	Approx. 82

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

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

Standard float position

STANDARD FLOAT POSITION CHART

Float position [mm (in)]
Full (A)	Approx. 202 (7.95)
Empty (B)	Approx. 37 (1.46)

Is the inspection result normal?

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 CHART

Terminal		Float position	Resistance value (Ω)
1	2	Full (A)	Approx. 3
1	2	Empty (B)	Approx. 43

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

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

Standard float position

STANDARD FLOAT POSITION CHART

Float position [mm (in)]
Full (A)	Approx. 4 (0.16)
Empty (B)	Approx. 174 (6.85)

Is the inspection result normal?

YES: INSPECTION END

NO: Replace fuel level sensor unit (sub).