SSP 393 Audi A5 - Convenience Electronics and Driver Assist Systems.pdf

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Service Training
Audi A5 -
Convenience Electronics and Driver Assist Systems
Self-Study Programme 393
The new Audi A5
The new Audi A5 features a number of impressive
innovations in the area of convenience electronics.
One of the most striking of these is the new ignition
key. This key is pushed into the electronic ignition
lock, and the engine is started with a push move-
ment of the key instead of a turning movement.This
new concept replaces the button-operated folding
key.
The ignition key houses an emergency key which
allows the vehicle to be opened mechanically in
case of failure of the vehicle electronics. The igni-
tion key can also be used to lock the vehicle
mechanically if the key removal lock prevents with-
drawal of the key from the ignition lock.
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The new Audi A5 comes with an extensive range of
optional equipment. Many systems previously
exclusive to the larger models A6, Q7 and A8 are
now also available on the A5.
Systems include the "Advanced Key" and the front
and rear acoustic parking system, which is available
with an auxiliary visual display under the name
"Audi Parking System Plus". The acoustic parking
system can also be ordered in combination with a
rear-view camera under the name "Audi Parking Sys-
tem Advanced", this being the full-expanded version
of the acoustic parking system.
The wide range of optional equipment on the Audi
A5 also includes a lane change assistant system
which assists the driver when changing lane by
means of an indicator light in the exterior mirrors.
However, the absolute highlight on the new Audi A5
is the Audi Lane Assist system, which will be availa-
ble for order in 2007. In June 2007, there will be a
separate self-study programme about this system,
which explains why the system is not described in
this self-study programme.
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Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Networking / vehicles with infotainment CAN bus . . . . . . . . . . . . . . . . . . . . . . . . . 4
Networking / vehicles with MOST bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installation locations of the control units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Control unit with display in dash panel insert . . . . . . . 10
Door control units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Seat control units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Convenience system central control unit . . . . . . . . . . . 21
Personalisation and adaption channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
The electronic ignition lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
The ignition key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
The electrical steering column lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Advanced Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
The "Audi Service Key". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Immobiliser V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
The anti-theft alarm system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
The HomeLink garage door opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
The Panorama tilt sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Park assist control unit (acoustic parking system). . . . 48
Rear-view camera system control unit. . . . . . . . . . . . . . 51
Lane change assistant control unit . . . . . . . . . . . . . . . . 52
The self-study programme teaches the design and function of new vehicle models,
new automotive parts or new technologies.
The self-study programme is not a repair manual!
All values given are intended as a guideline only and refer to the software version valid at the time of
preparation of the SSP.
For maintenance and repair work, always refer to the current technical literature.
Reference
Note
Overview
Networking / vehicles with infotainment CAN bus
Rear-view camera
system
J772
Air quality sensor
G238
Refrigerant pres-
sure/temperature
sender G395
Trailer detector
control unit
J345
Garage door opera-
tion control unit
J530
Onboard power supply
control unit
J519
Steering column
electronics con-
trol unit
J527
Multi-function
steering wheel
control unit
J453
Seat and steering
column adjustment
control unit with
memory function
J136
Light switch
E1
Seat adjustment
control unit with
memory, front pas-
senger J521
Wiper motor con-
trol unit
J400
Driver door con-
trol unit
J386
Rain and light
detector sensor
G397
Front passenger
door control unit
J387
Electrical steering
column lock con-
trol unit
J764
Convenience system central
control unit
J393
Entry and start
authorisation
switch E415
Alarm horn
H12
Garage door operat-
ing unit
E284
Sliding sunroof con-
trol unit
J245
Climatronic control unit
J255
Power output
module for left
headlight
J667
Anti-theft alarm
system sensor
G578
Fresh air blower
control unit J126
Power output
module for right
headlight
J668
Humidity sender
G355
Control motors for
flap control
4
Powertrain CAN bus
Convenience CAN bus
Dash panel insert/suspension CAN bus
CAN-Extended
Infotainment CAN bus
Diagnostics CAN bus
LIN bus
Subbus systems
Control unit with
display in dash
panel insert J285
Steering angle
sender G85
Park assist
control unit
J791
Electric park
and handbrake
control unit
J540
Yaw rate sender
G202
ABS control unit
J104
Additional heater
control unit J364
Radio
R
Diagnostic port
Data bus diagnostic interface J533
Digital sound
package control
unit J525
Engine control
unit J623
Adaptive cruise
control unit
J428
Battery monitor
control unit
J367
Telephone trans-
mitter and
receiver unit
R36
Airbag control
unit J234
Lane change
assistant control
unit
J769
3-phase AC
alternator
C
Automatic gear-
box control unit
J217
Lane change
assistant control
unit -2-
J769
ECD control unit
(electronically
controlled damp-
ing) J250
Headlight range
control, control unit
J431
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