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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Measured value block

Display group 002,

Display zone 1

Drive program

 

'B0' = steep downhill gradient; 'B1' = gradual downhill gradient; 'B2' = level roads; 'B3' = minor uphill gradients; 'B4' = steep uphill gradients

 

'D' = Drive

'S1' = Drive in S (normal drive mode)

'S2' = Drive in S (but more sporty driving style than in S1)

'ACC' = Drive with ACC

'CCS' = Drive with CCS

 

Digits 1 to 24:

Readout of measured value block

(active shift programs)

 

Additional displays (25 to 45):

 

25 - 26 Shift program for Winter driving

27 Shift program for Tiptronic function

28 Not used

29 Shift program in case of increased gearbox temperatures

30 - 31 Shift programs for vehicle warm-up

32 Shift program for urban driving

33 Not used

34 Shift program for driving with cruise control, steep downhill

35 Shift program for driving with cruise control, gentle downhill

36 Shift program for driving with cruise control, on level roads

37 Shift program for driving with cruise control, slight incline

38 Shift program for driving with cruise control, major incline

39 Shift program for uphill driving in case of increased gearbox temperatures

40 Shift program for Tiptronic function in case of increased gearbox temperatures

41 - 45 Shift program for ACC function

 

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November 30, 2012
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