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Accessories / US-1 adapter unit
DUT-E fuel level sensors. Operation manual. Version 8.1
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5.2 US-1 adapter unit
In case
DUT-E is mounted as a replacement of the factory installed float sensor the fuel gauge
in the vehicle cabin does not operate any more. To enable the fuel gauge working with DUT-E
US-1 adapter unit is used (see figure 61)
ATTENTION: Adapter unit can only operate with DUT-E A5 or DUT-E AF with
1.5…4.5 V configured output signal.
Table 18 — Adapter unit modifications
Order code Description
US-1-90 Fuel level sensor emulation with low resistance: 0 … 90 Ohm.
When fuel level increases, resistance increases as well
US-1-800 Fuel level sensor emulation with high resistance: 800 … 185 Ohm.
When fuel level increases, resistance decreases
Figure 61 — US-1 adapter
Electrical connection of US-1 is carried out in compliance with wire assignment according to
Table 19.
Table 19 — US-1 wires assignment
Wire number Wire marking Wire color* Assignment
1 T034 White
Fuel level sensor signal
(input)
2 GND Brown Ground
3 T734 Pink
Fuel level indicator
(output)
4 T733 Pink
Fuel level warning lamp
(output)
5 VBAT Orange Power supply “+”
* The Manufacturer reserves the right to change wire colors.