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.


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Activating and deactivating loading (vehicle transportation) mode

Function description:

The suspension system is set to normal level ("Comfort" or "Automatic"). As soon as the suspension system is in normal mode the level can no longer be changed on the MMI (axle control disabled).

 

Loading mode can be activated and deactivated in Guided Functions or in self-diagnosis.

Under Guided Functions run program -J197 Activate/Deactivate loading mode.

 

In self-diagnosis as follows.

Activation:

Self-diagnosis

IAddress word 34 (Adaptive suspension)

IFunction 16 Access authorisation

IKey-in code 10273 and confirm with Q key

The yellow fault lamp on the dash panel insert lights and

Fault 00219 Loading level active is entered.

 

Deactivation:

Self-diagnosis

IAddress word 34 (Adaptive suspension)

IFunction 16 Access authorisation

IKey-in code 41172 and confirm with Q key

The yellow fault lamp on the dash panel insert goes out and

Fault 00219 Loading level active is automatically cleared.

 

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