S4 Quattro Wagon V8-4.2L (BHF) (2008)
B - Blue 12-pin multi-pin connector (T12n)
2
-
Signal ground from CD Changer R41 / Satellite Radio R146
3
-
Speed signal (not used)
4
-
Permanent positive to CD Changer R41
5
-
L-diagnostic
6
-
CD data out to CD Changer R41
7
-
BOSE coding to ground (only with BOSE)
8
-
Left signal from CD Changer R41 / Satellite Radio R146
9
-
Right signal from CD Changer R41 / Satellite Radio R146
10
-
Positive switched to CD Changer R41
11
-
CD data in from CD Changer R41
12
-
CD CLK from CD Changer R41
C - Green 12-pin multi-pin connector (T12m)
1
-
Microphone input (-) (not used)
2
-
Signal from Back-Up Light Switch F4 (not used)
3
-
Left front signal to Amplifier R12 (only with BOSE)
4
-
Microphone output (-) (not used)
5
-
Left rear signal to Amplifier R12
6
-
NF (-) from Telephone Transceiver R36
7
-
Microphone input (+) (not used)
8
-
Signal ground to Radio R12
9
-
Right front signal to Amplifier R12 (only with BOSE)
10
-
Microphone output (+) (not used)
11
-
Right rear signal to Amplifier R12
12
-
NF (+) from Telephone Transceiver R36
D - Black 8-pin multi-pin connector D (T16j)
9
-
CAN-Bus High (Infotainment)
10
-
CAN-Bus Low (Infotainment)
11
-
NF mute, not used 12-Terminal 31
13
-
Positive switched to Amplifier R12
14
-
Anti-theft warning system ground from Comfort System Central Control Module J393
15
-
Terminal 30
16
-
Permanent positive (not used)