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).

TERMINAL RESISTANCE REFERENCE

Fuel level sensor unit and fuel pump (main)		Condition	Resistance (Approx.)
Terminal		Condition	Resistance (Approx.)
2	5	Full (A)	3 Ω
2	5	Empty (B)	80 Ω

Fig 1: Checking Fuel Level Sensor Unit And Fuel Pump Condition

Courtesy of NISSAN DIESEL MOTOR CO., LTD.

Standard float position

FLOAT POSITION CHART

Standard float position [mm (in)]⁽¹⁾

Full (A)

Approx. 223.8 (8.81)

Empty (B)

Approx. 29.4 (1.16)

⁽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).

TERMINAL RESISTANCE REFERENCE

Fig 2: Checking Fuel Level Sensor Unit Condition

Courtesy of NISSAN DIESEL MOTOR CO., LTD.

Standard float position

FLOAT POSITION CHART

Standard float position [mm (in)]⁽¹⁾

Full (A)

Approx. 4.7 (0.19)

Empty (B)

Approx. 202.4 (7.97)

⁽¹⁾	When float rod is contact with stopper.

Is the inspection result normal?

YES: INSPECTION END

NO: Replace fuel level sensor unit (sub).