A7000a Transmission control

Connector overview

Number	X-pin, color	Description
X70001	9-pin, blue	Plug connector Transmission control Module 1
X70003	52-pin, blue	Plug connector Transmission control Module 3
X70004	40-pin, blue	Plug connector Transmission control Module 4

Pin assignments at plug connector X70001

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Terminal 15	Fuse F9

2		Not occupied

3		Not occupied

4	M	Ground	Ground connector

5	M	Ground	Ground connector

6	M	Ground	Ground connector

7	E	Terminal 30	B+ potential distributor

8	E	Voltage supply	Fuse carrier, engine electronics

9	E	Voltage supply	Fuse carrier, engine electronics

Pin assignments at plug connector X70003

Pin	Type	Description / Signal type	Connection / Measuring notes
1	E	Signal Solenoid valve Shift lock selector lever lock	Shift lock selector lever lock

2	A	Supply Solenoid valve Shift lock selector lever lock	Shift lock selector lever lock

3	E	Signal, gearshift position L2	Electronic vehicle immobilizer (EWS)

4		Not occupied

5		Not occupied

6		Not occupied

7		Not occupied

8		Not occupied

9		Not occupied

10		Not occupied

11		Not occupied

12		Not occupied

13		Not occupied

14		Not occupied

15		Not occupied

16		Not occupied

17		Not occupied

18	A	Signal Steptronic, manual gate recognition	Gear indicator lighting

19	A	Signal Steptronic, tip up	Steptronic switch

20	A	Steptronic, tip down	Steptronic switch

21		Not occupied

22		Not occupied

23		Not occupied

24		Not occupied

25		Not occupied

26		Not occupied

27		Not occupied

28		Not occupied

29		Not occupied

30		Not occupied

31		Not occupied

32		Not occupied

33		Not occupied

34		Not occupied

35		Not occupied

36		Not occupied

37		Not occupied

38		Not occupied

39		Not occupied

40		Not occupied

41		Not occupied

42		Not occupied

43		Not occupied

44		Not occupied

45		Not occupied

46		Not occupied

47		Not occupied

48		Not occupied

49		Not occupied

50		Not occupied

51		Not occupied

52		Not occupied

Pin assignments at plug connector X70004

Pin	Type	Description / Signal type	Connection / Measuring notes
1		Not occupied

2	M	Shielding	Shielding in front of transmission

3	M	Output speed sensor, differential signal -	Hydraulic selector unit

4	E	Signal Selector lever position switch	Selector lever position switch

5	M	Shielding	Shielding in front of transmission

6		Not occupied

7	E	Signal Pressure actuator, converter lockup clutch	Hydraulic selector unit

8		Not occupied

9		Not occupied

10		Not occupied

11	A	Voltage supply EDS and solenoid valve	Hydraulic selector unit

12	M	Ground Engine oil temperature	Hydraulic selector unit

13	A	Output speed sensor, differential signal +	Hydraulic selector unit

14	A	Signal Selector lever position switch	Selector lever position switch

15		Not occupied

16	E	Signal Solenoid valve	Hydraulic selector unit

17	E	Signal Pressure actuator	Hydraulic selector unit

18		Not occupied

19		Not occupied

20		Not occupied

21	A	Voltage supply EDS and solenoid valve	Hydraulic selector unit

22	A	Signal Transmission fluid temperature sensor	Hydraulic selector unit

23	M	Turbine speed sensor, differential signal -	Hydraulic selector unit

24	E	Signal Selector lever position switch	Selector lever position switch

25		Not occupied

26	E	Signal Solenoid valve	Hydraulic selector unit

27	E	Signal Pressure actuator	Hydraulic selector unit

28	E	Signal Pressure actuator	Hydraulic selector unit

29		Not occupied

30		Not occupied

31	A	Voltage supply Selector lever position switch	Selector lever position switch

32	A/E	Signal Diagnostic link TXD	DME control module

33	A	Turbine speed sensor, differential signal +	Hydraulic selector unit

34	E	Signal Selector lever position switch	Selector lever position switch

35		Not occupied

36	E/A	Signal CAN bus high	DME control module

37	E/A	Signal CAN bus low	DME control module

38	E	Signal Solenoid valve	Hydraulic selector unit

39		Not occupied

40	A	Activation Reversing light relay	Reversing light relay