Contents Wiring diagrams Section: Communication All sections

"Symphony" Audi A4 B6

Communication ~413 words

"Symphony"

1 - Multi-pin connector IV, 10-pin, (T10l) red

2 - Multi-pin connector I, 20-pin, (T20d) black

3 - Device fuse

4 - Multi-pin connector III, 8-pin, (T8) black

5 - Multi-pin connector II, 8-pin, (T8a) brown

6 - IF connection (yellow) to Antenna Selection Control Module J515 / Left Antenna Module R108

7 - HF connection (black) to Antenna Selection Control Module J515 / Left Antenna Module R108

Note. Unlisted connector terminals are not assigned.

1 - Multi-pin connector IV, 10-pin, (T10l) red

1 - NF mute from Telephone/Telematics Control Module J526

3 - NF (+) from Telephone/Telematics Control Module J526 (not with Nav IV)

4 - NF (-) from Telephone/Telematics Control Module J526 (not with Nav IV)

5 - NF (+) from Navigation System with CD Drive Control Module J401 (only with Nav IV)

6 - NF (-) from Navigation System with CD Drive Control Module J401 (only with Nav IV)

7 - Navigation control wire from Navigation System with CD Drive Control Module J401 (only with Nav IV)

2 - Multi-pin connector I, 20-pin, (T20d) black

1 - Left rear signal to Amplifier R12

2 - Right rear signal to Amplifier R12

3 - Signal ground to Radio R12

4 - Left front signal to Amplifier R12 (only with BOSE)

5 - Right front signal to Amplifier R12 (only with BOSE)

6 - Positive switched to Amplifier R12

7 - CAN-Bus High (Infotainment)

10 - CD ground to CD Changer R41

12 - CAN-Bus Low (Infotainment)

13 - CD data in from CD Changer R41

14 - CD data out to CD Changer R41

15 - CD CLK from CD Changer R41

16 - Permanent positive to CD Changer R41

17 - Positive switched to CD Changer R41

18 - Signal ground from CD Changer R41 / Satellite Radio R146

19 - Left signal from CD Changer R41 / Satellite Radio R146

20 - Right signal from CD Changer R41 / Satellite Radio R146

4 - Multi-pin connector III, 8-pin, (T8) black

1 - BOSE coding to ground (only with BOSE)

2 - Anti-theft warning system ground from Comfort System Central Control Module J393

3 - L-diagnostic

7 - Terminal 30

8 - Terminal 31

5 - Multi-pin connector II, 8-pin, (T8a) brown

3 - Right front speaker (+) (not with BOSE)

4 - Right front speaker (-) (not with BOSE)

5 - Left front speaker (+) (not with BOSE)

6 - Left front speaker (-) (not with BOSE)