Arduino Controlled PSE Pump - W220 S-Class
2021-7-20 · Description. The Pneumatic System Equipment (PSE) Pump performs several functions including locking/unlocking of doors, extension and retraction of the trunk handle and dropping the rear headrests. It consists of an electronic controller, an air pump and some solenoid valves. Since the electronic controller (printed circuit board) is programmed for the specific vehicle that it is in, if the ...
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