Pin assignment on steering column electronics control unit — AUDI

Pin assignment on steering column electronics control unit
The
steering column electronics control unit
J527
is part of the
“steering column switch module”
. It receives signals from the steering column switch.
Checking steering column electronics control unit
J527
in
“Guided Fault Finding”
Vehicle diagnostic tester
.
A
Plug connection for tiptronic switch
1 - Analogue value, tiptronic left, down
2 - Earth, tiptronic left
3 - Earth, tiptronic right
4 - Analogue value, tiptronic left, up
B
Plug connection: turn signal switch/cruise control system (CCS)
1 - Voltage supply (terminal 15)
2 - Locked
“Off”
3 - Res (
“+”
)/Set (
“–”
)
4 - On/Off
5 - Earth
6 - Lighting (terminal 58)
7 - Headlight flasher
8 - Main beam
9 - Turn signal switch
10 - Turn signal switch, earth
C
Plug connection: vehicle electrical system
Pin assignment
Fig.
D
Plug connection: airbag control unit
Pin assignment
Fig.
E
Plug connection: ignition/starter switch / ignition key removal lock
1 - Not used
2 - Not used
3 - Ignition key removal lock on, terminal 30
4 - Ignition/starter switch earth
5 - Not used
6 - Not used
7 - Ignition/starter switch output terminal 50
8 - Voltage supply terminal 30 to ignition/starter switch
9 - Output, ignition/starter switch terminal S
10 - Output, ignition/starter switch terminal X
11 - Output, ignition/starter switch terminal P
12 - Output, ignition/starter switch terminal 15
F
Plug connection: window wiper system/DIS
1 - Wiper switch signal
2 - Earth, wipers
3 - Not used
4 - Not used
5 - DIS signal
6 - Earth, DIS/intermittent potentiometer
7 - Intervals signal
8 - Not used
G
Plug connection: coil connector cassette/airbag/multi-function steering wheel/horn
1 - Not used
2 - Not used
3 - Airbag 1
“+”
4 - Airbag 1
“–”
5 - Airbag 2
“+”
6 - Airbag 2
“–”
7 - Earth (for coil connector cassette / multi-function steering wheel / horn)
8 - CCS locked
“Off”
/ horn signal
9 - LIN bus or temperature signal for steering wheel heating
10 - Voltage supply terminal 15 with multi-function steering wheel
H
Plug connection: steering angle sender
1 - Light barrier 5
2 - Light barrier 3
3 - Light barrier 1
4 - 12 V voltage supply
5 - 5 V voltage supply
6 - Light barrier 6
7 - Light barrier 4
8 - Light barrier 2
9 - Steering angle sender earth
10 - Light barrier 7
C - Plug connection: vehicle electrical system
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Powertrain CAN bus screening
CAN bus Low (powertrain)
CAN bus High (powertrain)
Cruise control locked Off
CAN bus High (convenience)
CAN bus Low (convenience)
P-IN (selector lever P-contact)
Additional output, terminal 15
Additional output, terminal 50
Power supply terminal 30
Power supply terminal 31
D - Plug connection: airbag control unit
Airbag 1
“–”
Airbag 1
“+”
Airbag 2
“+”
Airbag 2
“–”