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

Downloaded from www.Manualslib.com manuals search engine 4
Overview
1 Auxiliary heating control unit J364
2 Control unit for ABS with EDL J104
3 Control unit for distance control J428
4 Transmitter unit in wheel well for tyre pressure
monitoring, front left G431
5 Control unit for on-board power supply J519
6 Door control unit, driver's side J386
7 Control unit for access and
start authorisation J518
8 Control unit in dash panel insert J285
9 Control unit for steering column electronics J527
10 Control unit for telephone, telematics J526
Telephone transmitter and receiver R36
11 Engine control unit J623
12 Climatronic control unit J25513 Control unit for seat adjustment with steering-
column adjustment memory J136
14 Level control unit J197
Control unit for headlight range control J431
Control unit for tyre pressure monitoring J502
Control unit 2 for onboard power supply J520
Control unit for display and operating unit for
front information J523
Data bus diagnosis interface J533
Antenna read-in unit for keyless access
authorisation J723
15 CD changer R41
CD ROM drive R92
16 Door control unit, rear left J388
17 Airbag control unit J234
Control unit installation positions

Downloaded from www.Manualslib.com manuals search engine 5
18 Rotation rate sensor 202
19 Door control unit, passenger's side J387
20 Control unit for seat adjustment with memory,
passenger’s side, J521
21 Door control unit, rear right J389
22 Transmitter unit in wheel well for tyre pressure
monitoring, rear left G433
23 Radio receiver for auxiliary heating R64
24 Control unit for navigation with CD drive J401
Control unit for voice input J507
Digital sound package control unit J525
Radio R
TV tuner R78
Digital radio R147 25 Transmitter unit in wheel well for tyre pressure
monitoring, rear right G434
26 Parking aid control unit J446
Control unit for trailer detection J345
27 Central control unit for convenience system J393
28 Control unit for electric parking and
hand brake J540
29 Control unit for power management J644
326_146

Downloaded from www.Manualslib.com manuals search engine 6
Bus topology
Overview
NOX sensor
J583
Rotation rate sensor
G202
Seat occupied
recognition
J706
Power module
for left headlight
J667
Power m odule for
right headlight
J668
Level control
J197 Electric parking
and hand brake
J540 Headlight range
control
J431 Automatic
transmission
J217 Airbag
J234 ABS with EDL
J104 Engine electronics 1
J623 Diagnosis connection
T16Control unit in dash
panel insert
J285Distance control
J428
Data bus diagnosis
for data bus
J533
Door control unit,
driver’s side
J386
Door control unit,
passenger’s side
J387
Door control unit,
rear left
J388
Door control unit,
rear right
J389
Seat adjustment
with memory
Steering column
adjustment
J136
Seat adjustment
with memory,
passenger’s side
J521
Trailer detection
J345
Steering column
electronics
J527
Multi-function
steering wheel
J453 Steering-angle
sensor
G85Power management
J644
Auxiliary heating
J364
Parking aid
J446
On-board power
supply 2
J520
Access and
start authorisation
J518
On-board power
supply
J519
Centr. contr. unit for
convenience system
J393
Climatronic
J255
Tyre pressure
monitoring
J502

Downloaded from www.Manualslib.com manuals search engine 55
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
326_113

Downloaded from www.Manualslib.com manuals search engine 79
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