Component Inspection

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.

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

: GO TO 2.

CHECK FUEL LEVEL SENSOR UNIT (MAIN)

Check the resistance between fuel level sensor unit and fuel pump.

Terminals

Condition

Resistance (Ω) (Approx.)

Height [mm (in)]

Fuel level sensor unit (main)

Full⁽¹⁾ (A)

202.3 (7.96)

Empty⁽¹⁾ (B)

142

36.8 (1.449)

⁽¹⁾	When float rod is contact with stopper.

Fig 1: Identifying Fuel Level Sensor Unit Full And Half Float Position

Courtesy of NISSAN NORTH AMERICA, INC.

Is inspection result OK?

YES: GO TO 3.

NO: Replace fuel level sensor unit and fuel pump (main). Refer to "REMOVAL AND INSTALLATION ".

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

: GO TO 4.

CHECK FUEL LEVEL SENSOR UNIT (SUB)

Check the resistance between fuel level sensor unit (sub).

Terminals

Condition

Resistance (Ω) (Approx.)

Height [mm (in)]

Fuel level sensor unit (main)

Full⁽¹⁾ (A)

3.9 (0.154)

Empty⁽¹⁾ (B)

142

175.8 (6.92)

⁽¹⁾	When float rod is contact with stopper.

Fig 2: Identifying Fuel Level Sensor Unit (Sub) Full And Half Float Position

Courtesy of NISSAN NORTH AMERICA, INC.

Is inspection result OK?

YES: INSPECTION END

NO: Replace fuel level sensor unit (sub). Refer to "REMOVAL AND INSTALLATION ".