ECU - Electronic Control Unit

In terminology of VW-group it's any electronic device, which has been carried out some logic function. Sometimes it looks like nonsens - even simple relay can be called ECU.

The coding of Electronic Control Unit used for explain the ECU where it is and what "neighbours" does it have. Very often on modern cars the coding is crossed with adaptation.

Adaptation of the Electronic Control Unit serves to explain to the ECU with whom and how to talk (If we have started to speak allegories) and serves as storehouse of various adjustable parameters. ( part of memory in the Control Unit which can be changed via internal software )

Measured Values Blocks ( MWB ) – various parameters being inbound or calculated. Considering to value of MWB Electronic Control Unit, trying to "control"... Using of MWB allows you ( if you know the basic parameters ) to find out "close to boundary" or temporarily arising ( intermittent, sporadic ) malfunctions and many other useful things at competent use.


Fitting locations - control unit, motors and senders for driver seat adjustment

The control unit and the components are located under the seat.


-1- Control unit for seat and steering column adjustment with memory -J136

-2- Longitudinal adjustment motor -V28 with integrated longitudinal adjustment sender -G227

-3- Rake adjustment motor -V243 with integrated rake adjustment sender -G232

-4- Height adjustment motor -V245 with integrated height adjustment sender -G231



J Motors are fitted with or without senders depending on the vehicle equipment specification.


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