display AUDI A6 2005 C5 / 2.G Electrics System Training Manual

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Multimedia Interface (MMI)
Equipment versions
As in the current Audi A8 ’03, the MMI operating
concept is now also integrated as standard in the
new Audi A6 ’05. Data is transferred between the
individual Infotainment control units via MOST bus
technology and the process is technically identical
to the Infotainment system in the current
Audi A8 ‘03. Driver-relevant functions, such as
on-board computer or navigation, are displayed in
the centre display of dash panel insert J285.
Selected functions for the telephone, radio and
CD control and volume control can be operated
using the multi-function steering wheel.Unlike the current Audi A8 ‘03, several versions of
the control unit for the front display unit J523, the
master control unit in the optical Infotainment bus,
are installed in the Audi A6 ´05, depending on the
optional equipment selected.
The Basic, Basic Plus and Basic Navigation versions
have the same hardware platform, which is
expanded to include the required optional extras.
The MMI High version, on the other hand, uses the
same hardware as the current Audi A8 ‘03.
Furthermore, the data bus diagnosis interface J533,
which assures communication with the other
networked components in the vehicle, is connected
to the MOST bus.
Infotainment
Note
Information on the MOST bus can be found in
the SSP 286 – New data bus systems,
LIN, MOST, Bluetooth.Reference
For information on the Infotainment system
with optical data transfer, please refer to the
SSP 293, Audi A8 ’03 – Infotainment.
326_143 Display elements in the optimum field of vision
Separation of display and operation
– optimum readability
– optimum ease of operation
Operating elements within primary reach

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MMI Basic
Standard equipment in the new Audi A6 includes
MMI Basic with the MMI operating concept, a
7" monochrome display (J685) in the dash panel
inser t as well as an integrated, analogue radio tuner
and 4x antenna diversity, CD drive and a 2x20-watt
amplifier.
In principle, these drivers are available in all
versions of the control unit for front
information J523.
In the MMI Basic version, the loudspeakers that are
integrated into the front doors are connected
directly to the control unit for front
information J523.
If the Standard Sound System or BOSE option is
installed, this internal amplifier is deactivated via
coding. The loudspeakers are then connected to the
relevant digital sound package control unit J525.Digital tuner technology will be available in the
Audi A6 at a later date. Depending on the market in
question, a satellite radio receiver or a receiver for
terrestrially emitted, but digitally coded
transmissions will then be available.
Legend
The orange symbols represent the possible optional
equipment. If a relevant option is missing, simply
follow the route indicated by arrows to close the
MOST ring.
326_042 Front information
are used
in the tester
J685Multimedia
operating unit
E380Antenna booster
R24Loudspeaker
front
Control unit for front information J523
+ Radio R
+ CD player R89
+ Amplifier R12 (active)Loudspeaker
DSP amplifier
J525
DSP amplifier
BOSE
J525
Loudspeaker
CD changer
R41 Te l e p h o n e
transmitter and
for telephone
R36 Data bus diagnosis
interface
J533Antenna
amplifier 2
R111
Steering column
electronics
J527Multi-function
steering wheel
J453

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MMI Basic Navigation
The MMI Basic Plus is available on request with a
basic navigation function. For this purpose, a
navigation module is integrated into the
information control unit J523. Optical route
guidance is provided on the central display in the
dash panel insert. The destination is entered using
the MMI operating system with its central knob/
pushbutton.
Audible directions for route guidance are also
output via the sound system.
The data required for navigation is read in via the
integrated CD drive.
Legend
The orange symbols represent the possible optional
equipment. If a relevant option is missing, simply
follow the route indicated by arrows to close the
MOST ring.
326_041
Front information
are used
in the tester
J685Multimedia
operating unit
E380Antenna booster
R24Antenna
amplifier 2
R111
Control unit for front information J523
+ Radio
+ Navigation with CD drive J401Loudspeaker
DSP amplifier
J525
Loudspeaker DSP amplifier
BOSE
J525
CD changer
R41 Te l e p h o n e
transmitter and
for telephone
R36 Data bus diagnosis
for data bus
J533Antenna for
Navigation
R50
Steering column
electronics
J527Multi-function
steering wheel
J453

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MMI High
The MMI High comes with the 7" colour display.
The standard equipment of the Top system in
Audi A6 ‘05 Infotainment includes an RDS dual-
tuner, the standard sound system and a 6x CD
changer in the glove compartment. As an optional
extra, this MMI version is also available with DVD
navigation, which is already used in the current A8
‘03, as well as the voice operator system with the
voice input control unit J507 as a plug-in module of
the radio module R.
Only in this MMI version can drivers choose
between the fixed telephone module and the mobile
baseplate. The well-known analogue TV tuner R78 is
also available at present as an optional extra.
Infotainment
Legend
The orange symbols represent the possible optional
equipment. If a relevant option is missing, simply
follow the route indicated by arrows to close the
MOST ring.
326_044 Front information
are used
in the tester
J685Multimedia
operating unit
E380
Control unit for front information J523Loudspeaker
DSP amplifier
J525
Loudspeaker DSP amplifier
BOSE
J525
CD changer
R41 Te l e p h o n e
transmitter and
for telephone
R36 TV tuner
R78
Te l e p h o n e /
telematics
J526
Handset
for telephone
R37 Radio
R
Vo ic e i n pu t
J507 Navigation
with CD drive
J401
Reference
Information on the DVD-based navigation
system can be found in the SSP 293,
Audi A8 ´03 – Infotainment.
Antenna booster
R24Antenna
amplifier 2
R111
Data bus diagnosis
interface
J533
Steering column
electronics
J527
Multi-function
steering wheel
J453

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Function overview and menu structure of the MMI operator system

Radio main menu
–Dynamic
transmitter list
❍Memory
–Memory list
❍Band
– FM (ultra-short wave)
– MW (medium wave)
–LW (long wave)
– DAB* (Digital Radio)
❍Sound
– <see Setup –
Softkey sound>
❍Manual
–Manual forward
– Search forward
– Save transmitter
– Play transmitter
–Search back
–Manual back

Radio setup
– Traffic programme
– Regional setting
– Transmitter reception
– Transmitter display
– Alternative frequency
–PTY filter
– Delete last
transmitter
Legend

Hardkey
❍Softkey
–Sub-menu
–Function
* available later

CD/TV main menu
– CD title
– TV transmitter
❍Changer
–CD list
❍Source
–CD
–TV
–External AV source
❍Sound
– <see Setup – Softkey
sound>
❍Manual
–Forward
–Back
– One title back
– One title forward
– Title mix
– Play title
–Name CD

CD/TV setup
–CD
– Repeat
– Show CD text
–TV
– Brightness
– Contrast
– Colour
– Picture format
– TV standard

Address Book main
menu
–Find entry
–View list
–New entry
– Delete address book
Te l e p h o n e m a i n
menu
–Enter PIN
– Telephone menu
❍Memory
– Address book
–Numbers dialled
–Calls received
– Missed calls
–SIM card number
– Save current number
❍SMS
–New SMS
– Templates
–SMS input
–SMS output
–SMS memory
– Delete all read SMS
– Delete all SMS
❍Dial
❍Hang up

Te l e p h o n e s e t u p
– Telephone settings
–Call options
– Security settings
–Mailbox
–Call divert
– Network selection

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Infotainment
Legend

Hardkey
❍Softkey
–Sub-menu
–Function
* available later

Navigation
Navigation
– <Single-destination
mode>
– Country
– City/Postal code
– Street
– Special dest.
– Route guidance
Start
– <Route map mode>
– Z-destination 1...3
– Destination
❍Memory
–Last destinations
–Top special dest.
– Destination from
address book
– Save current dest.
– Save route
–Load route
❍Route
– Route criteria
–Distance list
–Route with
stop-off destinations
–Route without
stop-off destinations
–Block route
from here
❍Map
–Zoom
–Map menu
❍Nav Info
– Destination
–Location
–GPS dates

Navigation setup
–Map colours
–Alignment
–Junction zoom
–Map type
–Map contents
– Audible directions
–Demo mode
– Delete last
destinations
–Manual location
– Version information

Info main menu
– TMC message list
❍TP memo
– Message retrieval
❍Sources
– <Radio source>
–<Telephone source*>

Info setup
– TP memo timer
– TMC display filter

Car main menu
❍User
–User 1 - 4
– User management
❍On-board manual
–Short Guide
–Driver’s Manual
–Audi MMI
❍Maintenance
❍Maintenance
– Ambient lighting
–Acoustic Parking
System
– External lighting
– Battery charge level
– Vehicle registration
number
–Windows
– Instrument cluster
– Tyre pressure
control system
– Windscreen wiper
–Seat adjustment
–Mirror adjustment
–Central locking

Setup main menu
–Radio setup
❍Settings
–Menu language
–Units of measure
– Time setting
–System sounds
– Voice operation
– Factory setting
❍Sound
– Balance
–Fader
–Treble
–Base
–Subwoofer
–DSP
– Standard
– BOSE
– Volume settings
– Navigation
instructions
– Traffic
programme
broadcast
– Voice dialogue
system
– Telephone volume
❍Display
–Brightness

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If you order the Audi A6 ´05 with the MMI versions
Basic, Basic Plus or Basic Navigation, the
functionalities like sound system or a CD-based
navigation module are integrated into the control
unit for front information J523, depending on the
vehicle equipment. The control unit for front information J523 is
installed in the glove compartment in the standard
version.
The "High" version, which was adopted from the
current Audi A8 ’03, is located behind the display
unit for front information J685, the colour MMI
display.
Infotainment
MMI BasicMMI Basic
PlusMMI Basic
Navigation
1-DIN housingXXX
Interface MOSTXXX
Power supplyXXX
AM/FM tuner for ECE and
North AmericaXXX
CD driveXXX
2x20-watt driversX
ZF output for antenna diversityXXX
Traffic programme recording
(8 minutes)XX
Integrated GPS receiverX
Navigation computer with memoryX
Voice output for navigationX
Control unit for front information J523

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The control unit for front information J523 includes
an enhanced TP recording system in the Standard
Plus and Standard Navigation versions. This is a
programmable traffic programme recording
function, which is possible via the MMI operating
system.
Two different start times can be set. The traffic
broadcasts that are received are recorded for a
duration of 2 hours from the relevant start time.
This setting remains unchanged until the timer
function is switched off or the programmed times
are changed. A memory with a recording capacity of
8 minutes is available for the recording. When the
memory is full, the oldest messages are overwritten.
The CD-based navigation function is integrated as
an optional module in the display and operating
unit for front information J523.
If this equipment is installed, the vehicle comes with
the antenna module R50, the antenna for
GPS navigation in the top area of the rear window
(see Chapter Antenna systems). This antenna
delivers the GPS signal. If the mobile baseplate was
also requested, the vehicle has a roof antenna
(antena for radio, telephone, navigation R52), which
supplies the GSM and GPS signal. All other input
signals are only supplied by networking the relevant
control units. Playback of the stored messages can
also be controlled via the MMI. It is possible to
select here whether you want to play the entire
sequence or only one particular message.Functional features of the standard navigation
function:
– Position-finding through interactive destination
entry/selection
– Interactive journey planner/management with
stop-off destinations
– Selection of route options
– Route guidance (acoustic and optical via arrows
in display on dash panel insert J285)
– Dynamic route guidance via RDS TMC and online
data
– Audible navigation directions via digital sound
package control unit J525
– Storage and management of destinations
– Output of position data to the CAN bus
(e.g. for Audi telematics)
– Search for imported destinations from the
address book
Navigation input signals from the vehicle network:
Distance signal from control unit for ABS with
EDL J104, signal from reversing light switch
Output signals to the vehicle network:
GPS time including date, voice output to the
digital sound system control unit J525

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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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Sound systems
Different sound system versions are available for
the new Audi A6 ´05. A general feature of the
systems is the two subwoofers integrated into the
front doors. A central subwoofer is not installed in
the rear storage area in the Audi A6 ’05 – a standard
feature in other model series.
The base frequencies, which cannot be localised for
the human ear, are amplified by the two tuners in
the doors and are used to round off the audio
pattern in the interior of the vehicle. This saves
space in the rear area, which increases the boot
volume and leaves more room for installing other
control units.
326_059
The new Audi A6 ´05 is equipped with a two-way
loudspeaker system in the front doors as standard.
The related amplifier with two 20-watt drivers is
integrated into the control unit for information J523.
Diagnosis of the standard amplifier module is
performed using the address word 47 in the
VAS diagnosis tester. The possible diagnostic
functions are contained in the list of diagnostic
options for the control unit for front information
J523 on page 78 in this chapter.
326_140
Audi A6 ‘05 front door with subwoofer and loudspeaker installation
positions
1 Control unit for front information J523 including
2x20-watt drivers, front display unit J685 and
Multimedia operating unit E380
2 High-pitch loudspeaker, front left R20 and
mid/low-pitch loudspeaker, front left R101
3 High-pitch loudspeaker, front right R22 and
mid/low-pitch loudspeaker, front right R102
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