radio AUDI A4 2002 B5 / 1.G Radio System General Information

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7 -
Rear Midrange Speakers
In upper rear door trim
8 -
Rear Bass Speakers In lower rear door trim
9 -
Bass Loudspeaker Under rear parcel shelf
10 -
Center Mid/High Range Loudspeaker In instrument panel
11 -
CD Changer Unit In glove compartment
12 -
Satellite Radio In left rear luggage compartment
13 -
Satellite Tuner Antenna On roofAlso for Telematics and Navigation
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

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Radio system SDARS with BOSE sound
system (Avant), layout
1 -
Left Antenna Module
In left rear luggage compartment behind
trim
2 -
Left rear window antenna
3 -
Rear window antenna
4 -
Right rear window antenna
5 -
Radio
6 -
BOSE power amplifier In right rear luggage compartment behind
trim
7 -
Front Midrange Speakers In upper front door trim
8 -
Front Bass Speakers In lower front door trim
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

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9 -
Rear Midrange Speakers
In upper rear door trim
10 -
Rear Bass Speakers In lower rear door trim
11 -
Bass Loudspeaker Under rear parcel shelf
12 -
Center Mid/High Range Loudspeaker In instrument panel
13 -
CD Changer Unit In glove compartment
14 -
Satellite Radio In left rear luggage compartment
15 -
Satellite Tuner Antenna On roofAlso for Telematics and Navigation
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

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Communication system with SDARS, layout
1 -
Satellite Radio
In left rear luggage compartment
2 -
Satellite Tuner Antenna on roof
3 -
Antenna splitter (GPS) Only AvantIn left rear luggage compartment behind
trim
4 -
Antenna for Navigation (GPS) Only sedanBehind roof end trim
5 -
Control module for navigation with CD
mechansim In left rear luggage compartment behind
trim
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

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6 -
Radio system antenna
7 -
Antenna amplifier
8 -
Speakers
9 -
Radio
10 -
CAN Bus (Infotainment)
11 -
CD Changer Unit
In glove compartment
12 -
Telephone/Telematics Control Module Under front passenger seat
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

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Multi-pin connector assignments on
"Symphony II" radio
1 -
Multi-pin connector IV, 10-pin, red
2 -
Multi-pin connector I, 20-pin - black
3 -
Radio fuse
4 -
Multi-pin connector III, 8-pin, black
5 -
Multi-pin connector II, 8-pin, brown
6 -
Intermediate frequency wire
7 -
Antenna connection (high frequency wire)
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

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Multi-pin connector assignments on Satellite
Radio -R146-

Note:
Terminals which are not listed are
vacant/unassigned.

A - Multi-pin connector, 8-pin
B - Multi-pin connector, 8-pin
C - Connection - Satellite Tuner Antenna (brown) 1 - CAN-Bus High (Infotainment)
2 - CAN-Bus Low (Infotainment)
3 - CD-IN L (CD Changer Unit)
4 - CD-IN R (CD Changer Unit)
5 - NF - Ground (GND) (Radio)
6 - NF - left (Radio)
7 - NF - right (Radio)
8 - CD Ground (GND) (CD Changer Unit)
1 - Terminal 30 (B+)
2 - Terminal 31 (GND)
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-44

"Concert II" radio unit, removing and
installing


Special tools and workshop equipment
required

Removing
Radio release tool T10057

- Push clips of radio release tool T10057 into front of radio.

Top L - top left
Top R - top right
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-45

- Pull radio out from instrument panel.

- Disconnect electrical connections and antenna
wire.

- Pull out release tool from the radio - to do this,
press in locking tabs on radio.

Installing

- Reconnect electrical connections and antenna
wire.

- Carefully insert radio into instrument panel and
engage in installation slot.

- Code radio if replacement unit is installed. Use
VAS 5051 Vehicle Diagnostic, Testing and
Information System in mode "Guided Fault
Finding". Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-46

"Symphony II" radio unit, removing and
installing


Special tools and workshop equipment
required

Removing
Radio release tool T10057

- Push the four clips of radio release tool T10057 into the front.

Top L - top left
Top R - top right
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication