1995 AUDI A4 display

91-13


8-pin connector III (black)
10-pin connector IV (red) 1 - Vehicle speed sensor (Gala)
3 - K-diagnosis
4 - Terminal 86s connection for ignition key switched on and off (S-
contact)
6 - Illumination (terminal 58d)
7 - Terminal 30
8 - Ground (GND) (terminal 31)
1 - Telephone low frequency mute switch
3 - Telephone (low frequency +)
4 - Telephone (low frequency -)
5 - Navigation (low frequency +) (not applicable US/Canada)
6 - Navigation (low frequency -) (not applicable US/Canada)
7 - Navigation control line not (not applicable US/Canada)
9 - Display illumination (terminal 58d)
10 - CD Ground (GND)
Pa
ge 15 of 45 Radio s
ystems
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.91.1

91-17


8-pin connector III (black)
10-pin connector IV (red) 1 - Vehicle speed sensor (Gala)
3 - K-Diagnosis
4 - Terminal 86s connection for ignition key switched on and off (S-
contact)
6 - Illumination (terminal 58d)
7 - Terminal 30
8 - Ground (GND) (terminal 31)
1 - Telephone mute switch
3 - Telephone (low frequency +)
4 - Telephone (low frequency -)
5 - Navigation (low frequency +) (not applicable US/Canada)
6 - Navigation (low frequency -) (not applicable US/Canada)
7 - Navigation control line not (not applicable US/Canada)
9 - Display illumination (terminal 58d)
10 - CD Ground (GND)
Pa
ge 19 of 45 Radio s
ystems
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.91.1

91-34

Checking cable between radio and CD
changer

- Switch radio off.

- Press MODE button on radio while turning radio
on.
Do not press the MODE button again.

If the cable connection is OK:
The radio display indicates: "CONNECT" and
"CD"

If the cable connection is NOT OK:
The radio display indicates: "NO CDC"

- Check electrical connections on CD changer.

- Repeat check as described above.
If not OK:

- Check wiring connections Electrical Wiring
Diagrams Troubleshooting & Component
Locations
Pa
ge 38 of 45 Radio s
ystems
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.91.1