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.


J217_4B_37_01L_1_0303_21_codieren.htm
J217_4B_37_01L_2_0303_21_codieren.htm
J217_4B_37_01V_1_0901_21.htm
J217_4B_37_____1_0500.htm
J217_4B_37_____1_1297.htm
J217_4B_38_01J_1_0304_21_MWB_lesen.htm
J217_4B_38_01J_1_0304_21_RdW_codieren.htm
J217_4B_38_01J_2_0304_21_USA_codieren.htm

Coding table A6 1998,

Automatic gearbox control unit 01V

 

Coding Market Engine Drive Model year

 

0 RoW Without electronic throttle

USA Without electronic throttle to MY 2001

 

1 RoW With electronic throttle Quattro

 

2 USA With electronic throttle Quattro to MY 2001

 

1002 USA With electronic throttle Quattro from MY 2002

 

3 RoW With electronic throttle Front WD

 

4 USA With electronic throttle Front WD to MY 2001

 

1004 USA With electronic throttle Front WD from MY 2002

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