2005 AUDI A6 sat nav

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326_027
Display and
operating unit for
front information
J523Te l e p h o n e
transmitter and
for telephone
R36
CD changer
R41
Digital
sound package
J525
Switch for
access and
start authorisation
E415Antenna read-in
unit for keyless access
authorisation
J723
Wiper motor
J400Sensor for rain and
light detection
G397
Passenger
compartment
monitoring
G273Alarm horn
H12
Fresh air fan
J126Refrigerant pressure and
refrigerant temperature
G395
Tr a n s m i t t e r,
front left
G431Tr a n s m i t t e r,
front right
G432Tr a n s m i t t e r,
rear left
G433Transmitter,
rear right
G434Antenna, rear
R96 Te l e p h o n e /
telematics
J526Handset
for telephone
R37
Navigation
with CD drive
J401
TV tuner
R78
Radio module
RVoice input
J507
MOST bus
CAN Instrument cluster
CAN Diagnosis
CAN Drive
CAN Convenience
CAN Distance control
LIN bus
Various sub-bus systems
Wireless transmission
– Bluetooth signal

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Antenna systems
The antenna system in the new Audi A6 ´05 is
integrated as a module in the top area of the rear
window, to the left and next to the third brake light,
on the right.
The modules are responsible for the various
s y s t e m s, e . g . re m o t e c e n t ral lo ck i n g , rad i o , T V o r t h e
radio receiver for the auxiliary heater.
Only the modules that are required for the
requested optional extras are installed.The table shows the relevant modules for the
available vehicle equipment. These are indicated for
the various, worldwide country versions.
The modules "DAB" and "SDARS" relate to the digital
radio systems, which will be available later and are
based on either a satellite-controlled system
(SDARS) or a terrestrial system (DAB).
ModuleDesignationAvailable in market version
1
1
1
1
2
4
2
2
2
3
4
5
5
5
5
7
8Radio AM/FM
Radio AM/FM-Diversity
Radio AM/FM-Div/TV
Radio AM/FM-Div/TV
Remote central locking
Remote control for auxiliary heater
Remote locking/TV
Remote locking/TV/DAB
Remote central locking/TV
Navigation
Mobile phone-US
Te l e p h o n e E C E
Telephone (fixed or mobile)/Navigation
Telephone/Navigation
Satellite radio
Block circuit
Te l e p a s sECE
ECE/US
ECE/US
Japan
ECE/US
ECE
ECE/US
ECE
Japan
RoW
US
ECE
ECE
US
US
Italy
Installed antenna modules for possible vehicle equipment
Module 1
Module 3 Module 4Module 2 Module 5
Module 7Module 6
A
M
/F
M
-Di
v/
TV
1-2Third brake lightT
V3-
4
/R
emot
e
c
ent
ra
l
locking/R
C
/DA
B
326_125
Module 1: Radio/antenna amplifier R24
Module 2: Remote central locking/antenna amplifier 2 R111
Module 3: GPS/antenna for GPS navigation R50
Module 4: Mobile phone antenna USA/Antenna for telephone,
navigation, auxiliary heater R66Module 5: Roof antenna/antenna for radio, telephone,
navigation R52
Module 6: Block circuit
Module 7: Telepass antenna

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Overview of the measured-value blocks available
for the individual modules
ModuleDesignation
General measured-value blocks
for all modulesGeneral: Battery positive voltage, terminal status
MOST: Address, MOST FOT temperature, optical lowering
Status of ring break diagnosis line
Control unit identification:
Serial number, flash date, hardware and software version
Control unit for front information
J523Multimedia operating unit E380: Status of main buttons, status of knobs/pushbuttons,
volume controller status
Display: LCD display temperature
Signals: Terminal 58D, terminal 58S
Integrated amplifier,
2x20-wattStatus of input signals, status of mute lead, speed (GALA), temperature
Radio RRemote-feed antenna: Open circuit, OK, short circuit
Remote-feed ZF output: Open circuit, OK, short circuit
Transmitter receive-level (0... 100 dBµV)
CD ROM drive R92CD status: Button status (Play, Stop, etc.), Eject button status, status of functions (Repeat, Scan, etc.)
Control unit for navigation
with CD drive J401Route Info: Speed, direction of travel
GPS: Satellites received, status of remote-feed GPS antenna OK, short circuit, open circuit
GPS FIX: GPS information on satellite reception and position-finding
Drive: Status of CD drive, incorrect or no navigation CD inserted, Load Eject error,
CD drive overheating
Status of navigation CD
Longitude corrected: Arc degree, arc minute, arc second
Latitude corrected: Degree of longitude, minute of longitude, second of longitude
Height and angle of direction corrected: Height in metres, angle of direction in degrees
GPS date: Day, month, year or "invalid" if there is no GPS reception
GPS time: Hour, minute, second or "invalid" if there is no GPS reception
Front axle distance pulses, status
GPS level 1: Satellite ID with best and second-best reception
GPS level 2: Satellite ID with third-best reception

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Versions: Basic, Basic Plus and
Basic Navigation
Infotainment
Decimal
placeDescription
1.Country version: D, GB, USA, F, E, I, P
2.Equipment: ACC, Internal light package, Acoustic parking system, front
3.Equipment: Acoustic parking system, rear, Tyre pressure control system, Air suspension
4.Equipment: Seat memory, front/rear, Left-hand drive
5.Equipment: Standard sound system installation, Body variant, Leather equipment
6.Equipment: On-board computer
7.Reserved
Infotainment control unit holder
In the new Audi A6 ’05, the control units responsible
for Infotainment are mainly stored in a compact
holder behind the left wheel cut-out in the boot.
Only the control unit for front information J523 is
installed in the dash panel, either in a visible
position in the glove compartment (Basic version) or
behind the glove compartment (High version). The
dual-band compensator, the mobile phone
amplifier R86, is fitted on the rear right wheel well.
Reference
Please refer to the relevant Workshop Manual
for details of the exact individual installation
positions.
Coding variants of the control unit for front information J523
326_105

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Available telephone systems
Two different telephone systems are available
ex-works for the new Audi A6 ´05.
Firstly, there is the fixed system with Bluetooth
operator handset, with which you may be familiar
from the current Audi A8 ´03, but which can only be
ordered with the High version of the MMI. Secondly, there is the newly developed mobile
baseplate. This mobile baseplate has a similar
control unit architecture and functionality to the
system used in the Audi A3 ´04.
However, it has now been incorporated into the
MOST bus for Infotainment.
Infotainment
1 Telephone transmitter and receiver R36
2 Telephone holder R126
3 Control unit for information J523
4 Microphone R140
5 Control unit for digital sound package J525
Basic or BOSE sound system
6 Data bus diagnosis interface J533 7 Control unit in dash panel insert J285
8 Control unit for steering column electronics J527
9 Control unit for multi-function steering
wheel J453
10 Mobile phone amplifier (compensator) R86
11 Antenna for GPS navigation R50
12 Bluetooth antenna R152
Reference
For information on the telephone system,
please refer to the SSP 293,
Audi A8 ´03 – Infotainment
326_070 11 10212
41
5
367
8
9

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Handsfree operation
The telephone transmitter and receiver R36 sends
the signals for handsfree operation (Voice, Phone
Mute, etc.) via the MOST Infotainment bus to the
relevant sound system, which is either integrated
into the control unit for front information J533 or
the independent digital sound system control
unit J525. Here, the digital data is converted into
analogue data and is output on the loudspeaker.
Echo and noise compensation
The telephone transmitter and receiver R36 is fitted
as standard with a DSP-based echo compensation
system. If the optional voice operating system is
also ordered, the echo and noise compensation
function of the control unit for voice input J507 is
used. Among other things, this results in an
improved handsfree quality, even for the passenger.
Infotainment
Microphone arrangement in the MMI High version Microphone arrangement in the MMI versions Basic, Basic Plus and
Basic Navigation.
Microphone, front
left R140 Control unit for
information J523Te l e p h o n e
transmitter and
for telephone
R36
326_136
Microphone unit in
front roof module
R164Microphone, front
left R140
A / D
Amplifier Control unit for
digital sound
package R525 Te l e p h o n e
transmitter and
receiver R36
326_137 Control unit for
voice input
J507