3.4.5. Tank Sensor (Analog)ΒΆ

Description

The AdBlue suction module contains a urea level sensor. The suction module is installed in the SCR tank. The tank sensor figure is shown in AdBlue suction module.
../../_images/Tank_sensor.png

AdBlue suction module

ECU connection

The pin numbers at the ECU:

1.32 DEF Level
1.08 DEF temperature
1.33 Ground

The tank sensor pinout is shown in figure ECU connection, tank sensor connection.

../../_images/analog_tank_connection.png

ECU connection, tank sensor connection

Characteristics

The level sensor output voltage at different tank levels.

Tank level Voltage output (V)
446 mm          1430 mV
383 mm          2140 mV
299 mm          2740 mV
236 mm          3130 mV
173 mm          3490 mV
131 mm          3720 mV
89 mm           3940 mV
47 mm           4140 mV

The NTC temperature resistance.

3,3 kOhm @ 25C