A80 EDC control unit

Plug connector overview

Number	X-pin	Description
X263	10	EDC control unit Plug connector I
X945	26	EDC control unit Plug connector II

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Activation, front comfort	Front EDC valves
approx. 4.5 V			Switched off max. 1 V
2	A	Activation, front normal	Front EDC valves
approx. 4.5 V			Switched off max. 1 V
3	A	Activation, rear comfort	Rear EDC valves
approx. 4.5 V			Switched off max. 1 V
4	E	Voltage supply, terminal 15	Fuse F60

5	A	Activation, rear normal	Rear EDC valves
approx. 4.5 V
6	M	Ground	Ground point

7		Not used

8	A	Rear coil voltage	Rear EDC valves
			Switched off 0 A
9	A	Front coil voltage	Front EDC valves
			Switched off 0 A
10		Not used

Pin	Type	Description / Signal type	Connection / Measuring notes
1	E	Rear acceleration signal	Acceleration sensor, rear right

2	A	Switch light	EDC switch
12 V
3		Not used

4	A	Supply Acceleration sensor, front right	Acceleration sensor, front right

5	A	Supply Acceleration sensor, rear right	Acceleration sensor, rear right

6		Not used

7	E	Program setting	EDC switch
Ground signal
8		Not used

9		Not used

10	E	Light signal	Light module
Terminal 58
11		Not used

12	E	Diagnostic link RXD	Diagnostic connector

13	E	Wheel speed signal	ABS/ASC control unit
Square-wave signal
14	E	Steering angle R	Steering angle sensor
0-5 V
15	E	Steering angle G	Steering angle sensor
0-5 V
16		Not used

17		Not used

18		Not used

19	E/A	Diagnostic link TXD	Diagnostic connector

20	M	Component ground	Acceleration sensor, rear right

21	M	Component ground	Steering angle sensor

22		Not used

23		Not used

24	E	Acceleration signal	Acceleration sensor, front right
0-5 V
25	A	Supply for steering angle sensor	Steering angle sensor
5 V
26	M	Component ground	Acceleration sensor, front right