Electrical System
Steering Column Electronics Systems Control Module J527, Front Multi-pin Connector Assignments
The Steering Column Electronics Systems Control Module J527 is part of the steering column switch module. It receives signals e.g. from the steering column switches.
A. Cruise control system multi-pin connector
1. Ground (GND) (-)
2. Set
3. Distance
4. 12 V voltage supply
5. Activation/touch function "Off
6. Acceleration/deceleration
7. Locked "Off"
B. Turn signal switch multi-pin connector
1. Ground (GND) (-)
2. Radio telephone (special-purpose vehicles)
3. Alarm (special-purpose vehicles)
4. Vacant
5. Headlamp flasher/light control
6. Turn signal indicators
C. Multi-function steering wheel / Tiptronic / heated steering wheel multi-pin connector
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 multi-pin connector
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 Ground (GND) (-)
10. Light barrier?
E. Horn switch multi-pin connector
1. Horn Ground (GND) (-)
2. Horn
F. Wiper switch multi-pin connector
1. Ground (GND) (-)
2. Intermittent wipe potentiometer
3. Multi-function Indicator (On-board computer)
4. Vacant
5. Wash
6. Wipe