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

Downloaded from www.Manualslib.com manuals search engine 91-1

Radio system

General information


CAUTION!

Before beginning repairs on the electrical
system:

Obtain anti-theft radio security code if
necessary.
Switch the ignition off.
Disconnect battery Ground (GND) strap.
On vehicles equipped with Audi Telematics
by OnStar , switch-off the emergency (back-
up) battery for the Telematic/Telephone
Control Module prior to disconnecting
vehicle battery. Use VAS 5051 Vehicle
Diagnostic, Testing and Information System
in mode "Guided Fault Finding" Page 91
-
119
.

After reconnecting vehicle battery, re-code
anti-theft radio if necessary and check
operation. Also check operation of clock and
power windows according to Repair Manual
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine and/or Owner's Manual.
After reconnecting vehicle battery on
vehicles equipped with Audi Telematics by
OnStar , switch-on the emergency (back-
up) battery for the Telematic/Telephone
Control Module. Use VAS 5051 Vehicle
Diagnostic, Testing and Information System
in mode "Guided Fault Finding" Page 91
-
119
.

Note:
Further measures after reconnecting the voltage
supply:
Repair Manual, Fuel Injection & Ignition,
Repair Group 24 Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-27


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 91-33


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 29 - Microphone (+) not connected
30 - Microphone (-) not connected
31 - Loudspeaker (+) left front
32 - Loudspeaker (-) left front
Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication

Downloaded from www.Manualslib.com manuals search engine 91-41


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