2005 AUDI A6 window

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The central control unit for the convenience
system J393, with which you may be familiar from
the Audi A8 '03, is used in the Audi A6 ’05. The tasks
and functions have been adapted according to
requirements.
The control unit is a participant on the
CAN Convenience data bus.
Master functions
The master functions of the central control unit for
the convenience system are as follows:
– Direction indicator master
– Central locking master
– Interior lighting master
– LIN master for alarm horn H12 and sensor for
passenger compartment monitoring G273
Other functionalities
In addition to the master functions, other functions
are also available in the central control unit for the
convenience system. The power outputs integrated
in the control unit activate the following loads:
– Back lights
–Rear sun blind
– Rear window heating
– Rear footwell lights
–Boot light
– Tailgate/boot lid release
Ve rs i on s
Two versions of the central control unit for the
convenience system are available:
–Basic
– High-Line (with rear sun blind/anti-theft warning
system/light package for ambient lighting/area
lighting)
Central control unit for convenience system J393
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Installation position
The central control unit for the convenience system
is installed above the battery in the rear right of the
boot.
System overview
Convenience electrics
– Tailgate/boot lid "softtouch"
– Tailgate/boot lid locking cylinder closed
– Brake light switch
– B rake li ght signal from control u ni t fo r ABS with
EDL J104
– Garage door opener (adaptation flashing)– Crash input
– Tailgate/boot lid contact
–Tank plug lock detection (USA)
– Alarm horn H12 (via LIN bus)
– Sensor for passenger compartment
monitoring G273 (via LIN bus)
– Rear footwell lights, left and right
– Boot light
– Motor for rear sun blind V91
– Motor for tank cap locking V155
– Motor for tailgate/boot lid central locking V53
– Interior lighting roof module
– Passenger compartment light
– Alarm horn H12 (via LIN bus)– High-level brake light (LED)
– Tail light, left and right
–Brake light, left and right
– Reversing light, right
–Rear fog light, left
– Number plate light
– Heated rear window Z1
– Rear direction indicator light, left and right
– Level control unit J197
(doors open/closed) The central control unit for the convenience system J393 receives the following input signals:
The central control unit for the convenience system J393 activates the following loads:
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Function diagram
Convenience electrics
C18 Interference filter for windscreen antenna
E26 Switch for glove compartment light
F124 Contact switch for lock cylinder for
tailgate/boot lid, anti-theft warning system,
central locking
F147 Contact switch for make-up mirror
driver’s side
F148 Contact switch for make-up mirror
passenger’s side
F218 Switch for tailgate/boot lid central locking
F248 Button for tailgate/boot lid lock cylinder
release
G273 Sensor for passenger compartment
monitoring
H12 Alarm hornJ9 Relay for rear window heater
J393 Central control unit for convenience system
L46 Lamp for rear fog light, left
M2 Lamp for tail light, right
M4 Lamp for tail light, left
M6 Lamp for direction indicator light, rear left
M8 Lamp for direction indicator light, rear right
M9 Lamp for left brake light
M10 Lamp for right brake light
M17 Lamp for reversing light, right
M25 Lamp for high-level brake light
M49 Lamp for tail light 2, left
M50 Lamp for tail light 2, right
M54 Lamp for tail light 3, left
M55 Lamp for tail light 3, right

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V53 Motor for tailgate/boot lid central locking
V91 Motor for rear sun blind
V155 Motor for tank cap locking
W6 Glove compartment light
W14 Illuminated make-up mirror, passenger’s side
W18 Boot light, left
W20 Illuminated make-up mirror, driver’s side
W35 Boot light, right
W45 Footwell light, rear left
W46 Footwell light, rear right
X Number plate light
Z1 Heated rear window Additional signals
1CAN Convenience High
2CAN Convenience Low
3 Brake light switch F
4 ESP brake signal from control unit for ABS
with EDL J104
5 Crash signal from airbag control unit J234
6 "Doors OPEN" signal to level control unit J197
7 "Adaptation flashing" signal from control unit
for garage door opening J530
8 "Release" signal to motor for sliding roof V1
9 + 10 "Interior light" activation signal
to roof module W1

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Diagnosis
The central control unit for convenience
system, J393, has the usual diagnostic functions,
such as read fault memory, read measured value
blocks, adaptation, coding, as well as selective and
sequential actuator test at its disposal.
Actuator test
The selective actuator test initiated by the diagnosis
tester can be used to check the following actuators:
– Indicator light for safe central locking K133
(in door rim)
– Lock central locking signal (once)
– Activate safe locking for doors (once)
– Unlock central locking signal
– Lock filler flap
– Unlock filler flap
– Lamp for left brake light M9
– Lamp for right brake light M10
– Lamp for high-level brake light M25
– Lamps for tail light, left
– Lamp for parking light, left M43
– Lamps for tail light, right
– Lamp for parking light, right M44
– Lamp for reversing light, left M16
– Lamp for reversing light, right M17
– Lamp for direction indicator light, rear left M6
– Lamp for direction indicator light, rear right M8
– Lamp for rear fog light, left L46
– Lamp for rear fog light, right L47
Coding
This diagnostic option can be used to perform
coding, for example, for these functions:
– Anti-theft warning system
– Central locking (normal/selective)
–Tilt sensor
– Passenger compartment sensor
– Convenience function via radio
–Right-hand traffic
–Avant detection
–Rear sun blind
Convenience electrics
Note
In addition to the selective actuator test,
the diagnosis software also includes the option
of a sequential actuator test.
– Number plate light X
– Boot light W3
– Footwell light, rear left W45
– Footwell light, rear right W46
– Activation of rear lid remote unlocking
(rotary latch opens, closing aid moves up)
– Motor for rear sun blind (rear sun blind moves in
both directions)
– Signal for rear window heater activation
–Interior lighting
– Acknowledgement of anti-theft warning system
horn
–RoW/USA
–Light package
– Tank cap lock detection
– Equipment (Basic/High-Line)
–Sliding roof
– Multi-function control unit (taxi/emergency
doctor/fire brigade, installed/not installed)

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The door control units have a similar functionality to
those used in the Audi A8 ´03 and are used in the
Audi A6 ’05 with appropriately adapted functions
and actuation features.
The separate installation of the door control unit
and the power windows motor is new here.
Stand-by master function
As in the Audi A8 ´03, the door control unit on the
driver’s side J386 controls central locking if the
central control unit for the convenience system
J393 fails. If there is no co mmunic atio n b etw een the
driver’s-side door control unit J386 and the central
control unit for the convenience system J393, the
other door control units evaluate the information
from the driver’s-side door control unit directly.
In this case, it is no longer possible to open the
vehicle via remote control or Advanced Key.
Diagnosis
The address words 42, 52, 62 and 72 "Door
electronics" offer diagnostic options, such as
measured-block reading, coding or the selective /
sequential actuator test (the selective actuator test
is used for the targeted activation of actuators).
Versi on s
Low-Line and High-Line versions of the door control
units are used.
The High-Line version includes the following
functions, for example:
– Advanced Key
– Memory switch block
– Ambient lighting
–Area lighting
–Folding mirrors
– Automatic anti-dazzle mirror
– Electric child-lock
Installation position of driver’s-side door control unit J386326_139
Door control units J386 - J389
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System overview
Convenience electrics
– Power windows switch
– Internal locking switch
– Actuating elements for central locking
– Actuating elements for central locking
(Safe mode)
– Outer door handle switch (optional)
– Central locking button for outer door handle
– Boot release switch E164– Switch for remote unlocking and
filler flap E204
–Child-lock button E318
– Mirror adjustment change-over switch E48
–Mirror adjustment switch E43
– Mirror adjustment switch with
folding function E168
– Switch for alarm system off E217 (optional)
– Switch for passenger compartment monitoring
(optional) E183
Additional signals for front doors
– Operator unit for memory
– Mirror position sensor
Additional loads for driver’s door
– Contact switch in lock barrel
driver’s side F241
– Central locking motors
– Central locking motors (Safe mode)
– Door warning lights
–Entry lights
– Lighting for inside door handle
– Ambient lighting for doors (optional)Additional loads for front doors
– Mirror adjustment motors
– Mirror folding motors
– Heated door mirrors
– Automatic anti-dazzle mirror
– Entry light in door mirror,
driver’s side and passenger’s side
Additional loads for rear doors
–Lamp for rear ashtray lightAdditional loads for driver’s door
– Lock status LED for passenger’s door
– Indicator light for safe central locking
– Indicator light for tilt sensor K188
(optional)
– Indicator light for passenger compartment
monitoring deactivation K162 (optional)
– Indicator light for memory SET
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The door control units receive the following input signals:
The door control units activate the following loads:

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Infotainment
Legend

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

Navigation
Navigation
– mode>
– Country
– City/Postal code
– Street
– Special dest.
– Route guidance
Start
–
– 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
–
–

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