audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Communications Control Module|Service and Repair > < Communications Control Module|Diagrams
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14

Switched positive - Terminal X

15

LED - Red

16

LED - Green

18

Ground (GND) - Terminal 31

19

Ground (GND) - Terminal 31

42-pin, multi-pin connection - T42, continued

22

Lights

23

Door unlock

24

 Cellular telephone Audio Output 

25

Cellular telephone - Audio Ground

26

Cellular telephone - Power

27

Cellular telephone - Receive (RS232)

28

Cellular telephone - Line 2 (Rx)

29

Cellular telephone - Hook Switch

30

CAN Bus - Low - Infotainment

31

 Audio out 

32

Emergency Speaker - ( - )

33

Inside microphone - ( - )

34

Mute

35

Keypad In 

36

Keypad Power

38

Airbag (Crash) Line output 

39

Battery positive (B+) - Terminal 30

40

Battery positive (B+) - Terminal 30 

41

Backup battery - ( + )

42

Backup battery - ( + )

Communications Control Module|Service and Repair > < Communications Control Module|Diagrams