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Pin assignment at steering column electronics control unit J527 (reverse side) > < Removing and installing steering column electronics control unit J527
Pin assignment at steering column electronics control unitJ527 (front)
Pin assignment at steering column electronics control unit -J527- (front)
The steering column electronics control unit -J527- is part of the “steering column switch module”. It receives signals e.g. from the steering column switch.
Checking steering column electronics control unit -J527- → Vehicle diagnosis, testing and information system VAS 5051.
   
A - Connector for cruise control system
1 - Earth
2 - Fix
3 - Distance
4 - 12 V voltage supply
5 - Activation/touch function “Off”
6 - Acceleration/deceleration
7 - Locked “Off”
B - Connector for turn signal
1 - Earth
2 - Radio telephone (special-purpose vehicles)
3 - Alarm (special-purpose vehicles)
4 - Not used
5 - Headlight flasher/light control
6 - Turn signal indicators
C - Connector for multi-function steering wheel / tiptronic / heated steering wheel
7 tiptronic “–”
8 - Multi-function steering wheel “+” voltage supply
9 - Multi-function steering wheel data
10 - tiptronic “+”
11 - Multi-function steering wheel dimmer
12 - tiptronic earth
13 - Heated steering wheel “+”
14 - Heated steering wheel “–”
D - Steering angle sensor
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 sensor earth
10 - Light barrier 7
E - Horn
1 - Horn earth
2 - Horn
F - Wiper system
1 - Earth
2 - Intermittent wipe potentiometer
3 - On-board computer
4 - Not used
5 - Wash
6 - Wipe

   

Pin assignment at steering column electronics control unit J527 (reverse side) > < Removing and installing steering column electronics control unit J527