Fuel Tank Gauge Unit Check / Fuel Warning Lamp Sensor Check

EL-90spec table

For removal of Fuel Tank Sender Unit, refer to FE section. Check the resistance between terminals 1 and 2.

Ohmmeter	Float position (step)	Float position	Float position (mm)	Resistance value (Ω)
1 — 2	3	Full	82.4	Approx. 4 - 6
1 — 2	2	1/2	29.4	32 - 34
1 — 2	1	Empty	-21.1	80 - 83

1 — 2

Float position (step)3

Float positionFull

Float position (mm)82.4

Resistance value (Ω)Approx. 4 - 6

1 — 2

Float position (step)2

Float position1/2

Float position (mm)29.4

Resistance value (Ω)32 - 34

1 — 2

Float position (step)1

Float positionEmpty

Float position (mm)-21.1

Resistance value (Ω)80 - 83

1
Place a 12V - 3.4W test lamp from the battery positive terminal to terminal 3, with the Fuel Tank Sender Unit removed (refer to FE section), and a connecting wire from terminal 2 to battery − ve. The test lamp should light after a short delay.
UEL075
2
Immerse the fuel tank sender unit so that the fuel low sensor is covered. The test lamp should be extinguished.

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