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.


J17__8N_20_AJQ_1_0199.htm
J17__8N_24_BHE_1_0703_21.htm
J207_8N_37_02E_1_0403_21.htm
J207_8N_37_09G_1_1102_21.htm
J219_8N_37_02E_1_0403_21.htm
J299_8N_24_BHE_1_0703_21.htm
J299_8N_26_AJQ_1_1099.htm

13-socket relay carrier

 

Relay socket assignment

 

11 - Starter inhibitor relay (J207)

 

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