Fuel Level Sensor Unit Check

WARNING: This page is about a different car, the 2010 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

For removal, refer to "REMOVAL AND INSTALLATION ".

Check Fuel Level Sensor Unit and Fuel Pump

Check resistance between terminals 2 and 5.

RESISTANCE VALUE CHART

Terminals

Float position mm (in)

Resistance value (Ω) (Approx.)

⁽¹⁾

Full

145.9 (5.74)

⁽²⁾

Empty

14 (0.55)

81.5

⁽¹⁾	When float rod is in contact with stopper.

⁽²⁾	When float rod is in contact with stopper.

Fig 1: Checking Resistance Between Terminals 2 And 5

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

Check Fuel Level Sensor Unit and Fuel Pump Harness

Check continuity at the following terminals.

CONNECTOR TERMINAL CONTINUITY CHART

Terminal	Continuity
2 - Signal terminal (A)	Yes
5 - Ground terminal (B)	Yes

If the results of check are NG, replace fuel pump assembly. If the results of check are OK, replace fuel level sensor unit.

Fig 2: Checking Continuity Between Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.