2002 AUDI A4 engine

Downloaded from www.Manualslib.com manuals search engine 91-29


6 -
Rear Bass Speakers
In lower rear door trim
7 -
Rear Midrange Speakers In upper rear door trim
8 -
Bass Loudspeaker Below rear shelf
9 -
Center Mid/High Range Loudspeaker In instrument panel
10 -
CD Changer Unit -R41- OptionalIn glove compartment
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-30


"Concert II" and "Symphony II" radio systems
with "BOSE sound system" (Avant), layout
1 -
Left Antenna Module
In left rear luggage compartment behind
side trim
2 -
Left rear window antenna
3 -
Rear window antenna
4 -
Right rear window antenna
5 -
BOSE power amplifier In right rear luggage compartment behind
side trim
6 -
Front Bass Speakers In lower front door trim
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-31


7 -
Front Midrange Speakers
In upper front door trim
8 -
Rear Bass Speakers In lower rear door trim
9 -
Rear Midrange Speakers In upper rear door trim
10 -
Bass Loudspeaker Below rear shelf
11 -
Center Mid/High Range Loudspeaker In instrument panel
12 -
CD Changer Unit -R41- OptionalIn glove compartment
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-32

"Concert II" and "Symphony II" radio systems
with "BOSE sound system", Multi-pin
connector terminal assignments
Note:
Terminals which are not listed are
vacant/unassigned.

Multi-pin connector I, 20-pin - black
1 - Line output - left rear
2 - Line output - right rear
3 - Line output, Ground (GND)
4 - Line output - left front
5 - Line output - right front
6 - Switched positive for BOSE power amplifier7 - CAN Bus - High (Infotainment)
10 - Ground (GND) (CD changer)
12 - CAN Bus - Low (Infotainment)
13 - CD bus data input (CD changer)
14 - CD bus data output (CD changer)
15 - CD clock (CD changer)
16 - Battery positive B+ (CD changer)
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 17 - Switched positive for CD changer
18 - Ground (GND) line output (CD changer)
19 - Line output - left (CD changer)
20 - Line output - right (CD changer)
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-33


Multi-pin connector III, 8-pin, black
1 - BOSE coding (Ground (GND))
2 - Anti-theft signal
3 - Data Link Connector (DLC)
7 - Supply voltage (terminal 30)
8 - Ground (GND) (terminal 31)

Multi-pin connector IV, 10-pin, red
1 - Telephone mute (low frequency mute)
3 - Telephone (low frequency+) (not on vehicles with navigation system)
4 - Telephone (low frequency-) (not on vehicles with navigation system)
5 - Navigation system (low frequency+)
6 - Navigation system (low frequency-)
7 - Navigation system control wire
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-34

BOSE amplifier, multi-pin connector
assignments

Multi-pin connector, 25-pin
1 - Center mid/high range loudspeaker (+)
2 - Center mid/high range loudspeaker (-)
6 - Line output - Ground (GND) (from Radio)
7 - Line output - right rear (from Radio)
8 - Line output - left rear (from Radio)
9 - Line output - right front (from Radio)
10 - Line output - left front (from Radio)
11 - Ground (GND) (terminal 31)
13 - Battery B+ (terminal 30)
14 - Bass loudspeaker (+)
15 - Bass loudspeaker (-)
16 - Loudspeaker (-) left front
17 - Loudspeaker (+) left front
18 - Loudspeaker (+) right front
19 - Loudspeaker (-) right front
20 - Loudspeaker (+) left rear
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 21 - Loudspeaker (-) left rear
22 - Loudspeaker (+) right rear
23 - Loudspeaker (-) right rear
25 - Switched positive
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication