Fuel Level Sensor Unit (Sub)

Check the resistance between terminals 1 and 2.

TERMINAL CHART

Terminal		Float position mm (in)			Resistance valueΩ
(+)	(-)	Float position mm (in)			Resistance valueΩ
1	2	*1	Full	9.4 (0.37)	Approx. 3
1	2	*2	Empty	179 (7.05)	Approx. 42.5
1 and 2: When float rod is in contact with stopper.

Fig 1: Checking Resistance Between Terminals 1 And 2

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