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_8N_37_02E_1_1202_21_Ersetzen.htm
J217_8N_37_02E_1_1202_21_MWB_lesen.htm
J217_8N_37_02E_1_1202_21_Version_abfragen.htm
J217_8N_37_02E_3_0403_21_codieren.htm
J217_8N_37_02E_4_0403_21_codieren.htm
J217_8N_37_09G_1_0302_21_MWB_lesen.htm
J217_8N_37_09G_1_0702_21_Einbauort.htm
J217_8N_37_09G_1_0802_21_Pinbelegung.htm
J217_8N_37_09G_2_0302_21_SG_Version.htm
J217_8N_37_09G_3_0303_21_codieren.htm
J217_8N_37_09G_4_0303_21_codieren.htm

Multi-pin connector (52-pin) of control unit -J217

 

1 - Terminal 31

2 - Terminal 31

3 - Terminal 30

4 - Solenoid valve 10 -N283

5 - Solenoid valve 4 -N91

6 - Solenoid valve 5 -N92

7 - Vacant

8 - Gear oil temperature sensor -G93

9 - Diagnosis K-wire

10 - Multi-function switch -F125 B (contact 7)

11 - Tiptronic switch -F189, Upshift

12 - Vacant

13 - Tiptronic switch in steering wheel -E389, Upshift

14 - Tiptronic switch in steering wheel -E389, Downshift

15 - Solenoid valve 2 -N89

16 - Solenoid valve 9 -N282

17 - Solenoid valve 6 -N93

18 - Solenoid valve 3 -N90

19 - Vacant

20 - Vacant

21 - Vacant

22 - Multi-function switch -F125 PA (contact 5)

23 - Vacant

24 - Hydraulic pressure sender 1 -G193

25 - Hydraulic pressure sender 2 -G194

26 - Vacant

27 - Terminal 15

28 - Terminal 16

29 - Selector lever lock solenoid -N110

30 - Solenoid valve 3 -N90

31 - Solenoid valve 6 -N93

32 - Solenoid valve 9 -N282

33 - Vacant

34 - CAN bus Low

35 - Vacant

36 - Multi-function switch -F125 C (contact 9)

37 - Tiptronic switch -F189, Downshift

38 - Gearbox output speed sender -G195

39 - Gearbox input speed sender -G182

40 - Vacant

41 - Solenoid valve 1 -N88

42 - Solenoid valve 5 -N92

43 - Solenoid valve 4 -N91

44 - Solenoid valve 10 -N283

45 - Gear oil temperature sensor -G93

46 - CAN bus High

47 - Multi-function switch -F125 A (contact 1)

48 - Tiptronic switch -F189, recognition

49 - Vacant

50 - Gearbox output speed sender -G195

51 - Gearbox input speed sender -G182

52 - Signal for road speed to dash panel insert

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