Radio system, layout

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Radio System, Layout

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Radio system "Concert II" and "Symphony ll"

1 - CD Changer Unit

Optional
In glove compartment

2 - Left antenna module

Behind the rear lid trim

3 - Right antenna module

Behind the rear lid trim

4 - Front treble speaker

In front door (top)

5 - Mid-range speaker, front

In instrument panel

Fig 2: Radio System, Layout

Courtesy of VOLKSWAGEN UNITED STATES, INC.

6 - Bass speaker, front

In front door trim (bottom)

7 - Rear speaker

In rear side trim (bottom)
Speaker (active): Mid-range/bass with treble bridge
BOSE-speakers: Mid-range/bass

8 - Amplifier for the rear speakers

In luggage compartment right rear behind side trim

9 - Center mid-range loudspeaker

In instrument panel

Multi-pin harness connectors I, II, III, and IV on back of radio

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

Fig 3: Identifying Multi-Pin Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Black, 20-pin multi-pin harness connector I

1 - Signal output, rear left

2 - Signal output, rear right

3 - Signal Ground (GND)

4 - Signal output, front left

5 - Signal output, front right

6 - Control plus for end amplifier

7 - CAN-Bus High (display)

10 - Ground (GND) (CD changer)

12 - CAN-Bus Low (display)

13 - CD Bus data in (CD changer)

14 - CD Bus Data out (CD changer)

15 - CD clock (CD changer)

16 - Continuous B+ (CD changer)

17 - Control plus for CD changer

18 - CD Ground (GND) (CD changer)

19 - Signal left channel (CD changer)

20 - Signal right channel (CD changer)

Fig 4: Identifying Multi-Pin Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multi-pin connector II, 8-pin, brown

3 - Loudspeaker + front right

4 - Loudspeaker - front right

5 - Loudspeaker + front left

6 - Loudspeaker - front left

Fig 5: Identifying Multi-Pin Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multi-pin connector III, 8-pin, black

1 - BOSE coding (free)

2 - Anti-theft warning system

3 - K diagnostic

7 - Terminal 30

8 - Terminal 31

Fig 6: Identifying Multi-Pin Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multi-pin connector IV, 10-pin, red

1 - Telephone mute (low frequency-mute)

3 - Telephone (low frequency +) (not for navigation equipment)

4 - Telephone (low frequency -) (not for navigation equipment)

5 - Navigation (low frequency +)

6 - Navigation (low frequency -)

7 - Navigation control wire

Multi-pin harness connectors at amplifier for rear loudspeakers

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

Fig 7: Identifying 23-Pin Multi-Pin Harness Connector

Courtesy of VOLKSWAGEN UNITED STATES, INC.

23-pin multi-pin harness connector

2 - Speaker (+) front left

3 - Speaker (-) front left

6 - Speaker (+) front right

9 - Speaker (-) front right

13 - Switched positive (from Radio)

14 - Signal, rear left (from Radio)

15 - Loudspeaker (-) rear left

16 - Signal, front left (from Radio)

17 - Signal, rear right (from Radio)

18 - Loudspeaker (-) rear right

19 - Signal - Ground -GND- (from Radio)

20 - Signal, front right (from Radio)

21 - Loudspeaker (-) rear right

22 - Terminal 31

23 - Terminal 30

Fig 8: "Concert II" And "Symphony II" Radio System With "Bose Sound System", Layout

Courtesy of VOLKSWAGEN UNITED STATES, INC.

"Concert II" and "Symphony II" radio system with "BOSE sound system", layout

1 - CD Changer Unit

Optional
In glove compartment

2 - Left antenna module

Behind the rear lid trim

3 - Right antenna module

Behind the rear lid trim

4 - Front treble speaker

In front door (top)

5 - Mid-range speaker, front

In instrument panel

Fig 9: "Concert II" And "Symphony II" Radio System With "Bose Sound System", Layout

Courtesy of VOLKSWAGEN UNITED STATES, INC.

6 - Bass speaker, front

In front door trim (bottom)

7 - Rear speaker

In rear side trim (bottom)
Speaker (active): Mid-range/bass with treble bridge
BOSE-speakers: Mid-range/bass

8 - Center mid-range loudspeaker

In instrument panel

9 - BOSE amplifier

In luggage compartment right rear behind side trim

Fig 10: Radio System "Bose Sound System" With SDARS

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Radio system "BOSE sound system" with SDARS

1 - CD Changer Unit

optional
in glove compartment

2 - Satellite radio

in luggage compartment at rear, left side, behind side trim

3 - Satellite tuner antenna

behind the rear lid trim

4 - Left antenna module (FM1/FM2/AM)

behind the rear lid trim

5 - Right antenna module (FM3/FM4)

behind the rear lid trim

6 - Radio

in center console, at top

Fig 11: Radio System "Bose Sound System" With SDARS

Courtesy of VOLKSWAGEN UNITED STATES, INC.

7 - Front treble speaker

in front door (top)

8 - Front midrange speaker

in instrument panel

9 - Bass speaker, front

in front door trim (bottom)

10 - Rear speaker

in rear side trim (bottom)

11 - Center Mid/High Range Loudspeaker -R158-

in instrument panel

12 - BOSE-amplifier

in luggage compartment at rear, right side, behind side trim

Multi-pin harness connectors I, II, III, and IV on back of radio

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

Fig 12: Identifying Multi-Pin Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Black, 20-pin multi-pin harness connector I

1 - Signal output, rear left

2 - Signal output, rear right

3 - Signal Ground (GND)

4 - Signal output, front left

5 - Signal output, front right

6 - Control plus for BOSE amplifier

7 - CAN-Bus High (display)

10 - Ground (GND) (CD changer)

12 - CAN-Bus Low (display)

13 - CD Bus data in (CD changer)

14 - CD Bus Data out (CD changer)

15 - CD clock (CD changer)

16 - Continuous B+ (CD changer)

17 - Control plus for CD changer

18 - CD Ground (GND) (CD changer)

19 - Signal left channel (CD changer)

20 - Signal right channel (CD changer)

Fig 13: Identifying Multi-Pin Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multi-pin connector II, 8-pin, brown

3 - Loudspeaker + front right

4 - Loudspeaker - front right

5 - Loudspeaker + front left

6 - Loudspeaker - front left

Fig 14: Identifying Multi-Pin Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multi-pin connector III, 8-pin, black

1 - BOSE coding (Ground GND)

2 - Anti-theft warning system

3 - K diagnostic

7 - Terminal 30

8 - Terminal 31

Fig 15: Identifying Multi-Pin Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multi-pin connector IV, 10-pin, red

1 - Telephone-muting (low frequency-mute)

3 - Telephone (low frequency +) (not for navigation equipment)

4 - Telephone (low frequency -) (not for navigation equipment)

5 - Navigation (low frequency +)

6 - Navigation (low frequency -)

7 - Navigation control wire

Multi-pin harness connectors on BOSE-amplifier

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

Fig 16: Identifying 25-Pin Multi-Pin Harness Connector

Courtesy of VOLKSWAGEN UNITED STATES, INC.

25-pin multi-pin harness connector

1 - Center speaker (-)

2 - Center speaker (+)

6 - Signal Ground -GND- (from Radio)

7 - Signal, rear right (from Radio)

8 - Signal, rear left (from Radio)

9 - Signal, front right (from Radio)

10 - Signal, front left (from Radio)

11 - Terminal 31

13 - Terminal 30

14 - Bass speaker (+), front

15 - Bass speaker (-), front

16 - Speaker (-) front left

17 - Speaker (+) front left

18 - Speaker (+) front right

19 - Speaker (-) front right

20 - Loudspeaker (+) rear left

21 - Loudspeaker (-) rear left

22 - Loudspeaker (+) rear right

23 - Loudspeaker (-) rear right

25 - Switched positive (from Radio)

Fig 17: Identifying 32-Pin Multi-Pin Harness Connector

Courtesy of VOLKSWAGEN UNITED STATES, INC.

32-pin multi-pin harness connector

1 - Terminal 30

2 - Terminal 31

3 - Front loudspeaker (+)

4 - Loudspeaker (-) rear left

5 - Loudspeaker (+) rear right

6 - Switched positive (from Radio)

7 - Signal Ground -GND- (from Radio)

13 - Center speaker (+)

14 - Center speaker (-)

15 - Front loudspeaker (-)

16 - Loudspeaker (+) rear left

17 - Loudspeaker (-) rear right

19 - Signal, front left (from Radio)

20 - Signal, front right (from Radio)

21 - Signal, rear left (from Radio)

22 - Signal, rear right (from Radio)

26 - Speaker (-) front right

27 - Speaker (+) front right

31 - Speaker (+) front left

32 - Speaker (-) front left

Fig 18: Identifying Multi-Pin Connectors On Rear Of "Concert II" Radio

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multi-pin connectors on rear of "Concert 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 - IF-wire

Only for "Concert II" radio

7 - Antenna connection (high frequency wire)

Fig 19: Identifying Multi-Pin Connectors On Rear Of "Symphony II" Radio

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multi-pin connectors on rear of "Symphony II" radio

1 - Multi-pin connector IV, 10-pin, red

2 - Multi-pin connector I, 20-pin, black

3 - Radio security device

4 - Multi-pin connector III, 8-pin, black

5 - Multi-pin connector II, 8-pin, brown

6 - IF wiring

7 - Antenna connection sockets for radio (high frequency wire)

Harness connector at Satellite Radio -R146-

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

Fig 20: Identifying 8-Pin Harness Connector And Antenna Connection For Satellite Tuner

Courtesy of VOLKSWAGEN UNITED STATES, INC.

A - 8-pin harness connector

1 - CAN-Bus High (display)

2 - CAN-Bus Low (display)

3 - CD-IN L (CD changer)

4 - CD-IN R (CD changer)

5 - LF - Ground -GND- (Radio)

6 - LF - left (Radio)

7 - LF - right (Radio)

8 - CD-Ground -GND- (CD changer)

B - 8-pin harness connector

1 - Terminal 30

2 - Terminal 31

C - Antenna connection for satellite tuner (Terr. brown)

D - Antenna connection for satellite tuner (Sat. green)