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 SPECIFICATION

Fuel level sensor unit and fuel pump (main)

Condition⁽¹⁾

Resistance (Approx.)

Terminal

Full (A)

3 Ω

Empty (B)

80 Ω

⁽¹⁾	When float rod is contact with stopper.

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 SPECIFICATION

Float position [mm (in)]⁽¹⁾

Full (A)

Approx. 194 (7.64)

Empty (B)

Approx. 30 (1.18)

⁽¹⁾	When float rod is contact with stopper.

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 SPECIFICATION

Fuel level sensor unit (sub)

Condition⁽¹⁾

Resistance (Approx.)

Terminal

Full (A)

3 Ω

Empty (B)

43 Ω

⁽¹⁾	When float rod is contact with stopper.

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

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

Standard float position

FLOAT POSITION SPECIFICATION

Float position [mm (in)]⁽¹⁾

Full (A)

Approx. 32 (1.26)

Empty (B)

Approx. 203 (7.99)

⁽¹⁾	When float rod is contact with stopper.

Is the inspection result normal?

YES: INSPECTION END

NO: Replace fuel level sensor unit (sub).