A6000 Digital motor electronics control unit

Connector location views

Number	X-pin, colour	Description
X60001	9-pin, black	Plug connector Digital motor electronics control unit Module 1
X60002	24-pin, black	Plug connector Digital motor electronics control unit Module 2
X60003	52-pin, black	Plug connector Digital motor electronics control unit Module 3
X60004	40-pin, black	Plug connector Digital motor electronics control unit Module 4
X60005	9-pin, black	Plug connector Digital motor electronics control unit Module 5

Pin assignments at plug connector X60001

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Terminal 15	Relay, fuel injectors

2	A	Voltage supply EDR motor	EDR motor

3	A/E	Diagnosis signal TXD	SMG2 control unit

4	M	Ground	Ground point

5	M	Ground	Ground connector

6	M	Ground	Ground connector

7	E	Terminal 30	Fuse F102

8	E	Voltage supply	Fuse carrier, engine electronics

9	M	Negative activation EDR motor	EDR motor

Pin assignments at plug connector X60002

Pin	Type	Description / Signal type	Connection / Measuring notes
1	E	Signal Oxygen sensor heater in front of catalytic converter	Heated oxygen sensor 1 in front of catalytic converter

2		Not used

3		Not used

4		Not used

5	M	Negative activation	Ground connector

6		Not used

7	E	Signal Oxygen sensor heater behind catalytic converter	Heated oxygen sensor 1 in front of catalytic converter

8		Not used

9		Not used

10	E	Signal Exhaust temperature	Exhaust temperature sensor

11	A	Signal Fuel pump relay 1	Fuel pump relay 1 USA only

12	A	Signal E-box fan	E-box fan

13	E	Signal Oxygen sensor heater in front of catalytic converter	Heated oxygen sensor 2 in front of catalytic converter

14	E	Signal Oxygen sensor before catalytic converter	Heated oxygen sensor 1 in front of catalytic converter

15	E	Signal Oxygen sensor before catalytic converter	Heated oxygen sensor 2 in front of catalytic converter

16	E	Signal Oxygen sensor after catalytic converter	Heated oxygen sensor 1 behind catalytic converter

17		Not used

18	E	Signal Oxygen sensor after catalytic converter	Heated oxygen sensor 2 behind catalytic converter

19	E	Signal Oxygen sensor heater behind catalytic converter	Heated oxygen sensor 2 behind catalytic converter

20	E	Signal Switch, gear recognition	Switch, gear recognition

21	E/A	Signal CAN bus low	SMG2 control unit

22	E/A	Signal CAN bus high	SMG2 control unit

23	E	Signal Activation, main relay	DME relay

24		Not used

Pin assignments at plug connector X60003

Pin	Type	Description / Signal type	Connection / Measuring notes
1	E	Signal Air mass sensor	Hot-film air mass meter

2	E	Signal Exhaust camshaft sensor 1	Camshaft sensor II

3		Not used

4	A	Signal VANOS inlet valve, advance	VANOS valves

5	E	Signal Inlet camshaft sensor 1	Camshaft sensor I

6	E	Signal Exhaust camshaft sensor 1	Camshaft sensor II

7	A	Voltage supply Hot-film air mass meter	Hot-film air mass meter EDR motor

8	E	Signal Crankshaft sensor	Crankshaft sensor

9		Not used

10	E	Signal EDR motor	EDR motor

11		Not used

12		Not used

13	E	Signal, terminal 61	Alternator

14	A	Voltage supply Throttle potentiometer	Throttle potentiometer

15		Not used

16		Not used

17	M	Ground Air mass sensor	Hot-film air mass meter

18		Not used

19		Not used

20	M	Ground EDR motor Throttle potentiometer	EDR motor Throttle potentiometer

21	E	Ground Crankshaft sensor	Crankshaft sensor

22	E	Signal Intake air temperature	Hot-film air mass meter

23	E	Signal Throttle potentiometer	Throttle potentiometer

24	A	Signal Coolant temperature	Coolant temperature sensor

25	M	Ground Coolant temperature, Shield, knock sensor	Coolant temperature sensor Knock sensor 1 Knock sensor 2 Knock sensor 3

26	E	Signal Oil pressure switch	Oil pressure switch

27		Not used

28		Not used

29	E	Signal Knock sensor 1	Knock sensor 1

30	E	Signal Knock sensor 3	Knock sensor 3

31	E	Signal Knock sensor 2	Knock sensor 2

32		Not used

33	E	Signal Fuel injector 1	Fuel injector 1

34	E	Signal Fuel injector 2	Fuel injector 2

35	E	Signal Fuel injector 3	Fuel injector 3

36	E	Signal Fuel injector 4	Fuel injector 4

37	E	Signal Fuel injector 5	Fuel injector 5

38	E	Signal Fuel injector 6	Fuel injector 6

39	E	Signal Oil level sensor	Oil level sensor

40		Not used

41		Not used

42	E	Signal Fuel tank vent valve	Fuel tank vent valve

43	A	Signal VANOS exhaust valve, retard	VANOS valves

44	A	Signal VANOS exhaust valve, advance	VANOS valves

45		Not used

46	E	Signal Close idle speed control valve	Idle actuator

47	E	Signal Open idle speed control valve	Idle actuator

48		Not used

49		Not used

50	A	Signal VANOS inlet valve, retard	VANOS valves

51	A	Signal Valve, sucking jet pump	Valve, sucking jet pump

52	A	USA only Signal Crankcase breather valve	Crankcase breather valve

Pin assignments at plug connector X60004

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, terminal 61	Instrument cluster control unit

2	E	Engine start signal feedback	Connector Voltage signal, terminal 30h

3	E	Signal Secondary air pump	Secondary air pump relay

4	E	Signal Electric fan	Electric fan

5	M	Ground	Ground point

6	A	Signal, terminal 50, ignition lock	Instrument cluster control unit

7	M	Ground Pedal position sensor	Pedal position sensor

8	E	Signal Pedal position sensor	Pedal position sensor

9	A	Voltage supply Pedal position sensor	Pedal position sensor

10	A	Signal Fuel pump relay 1	Fuel pump relay 1 not USA

11	A	Signal Oil pressure	Instrument cluster control unit

12	M	Ground Pedal position sensor	Pedal position sensor

13	E	Signal Pedal position sensor	Pedal position sensor

14	A	Voltage supply Pedal position sensor	Pedal position sensor

15	E	Signal, driving dynamics	Switch center

16	E	Driving dynamics active LED	Switch center

17	A	Speed signal	Diagnostic connector

18	A	Activation, heating for fuel tank leak diagnosis module USA only	Diagnostic module, fuel tank leakage

19		Not used

20	A	Activation, valve for fuel tank leak diagnosis module USA only	Diagnostic module, fuel tank leakage

21	A	Signal Oil level	Instrument cluster control unit

22	E	Signal Processed wheel speed, rear right	ABS/ASC unit ABS/DSC unit

23		Not used

24	E	Signal Brake light switch	Light switching centre control unit

25		Not used

26	E	Terminal 15	Fuse F29

27	E	Data link MFL	Volute spring

28		Not used

29	E	Signal Relay, A/C compressor	Relay, A/C compressor

30	A	Activation, pump for fuel tank leak diagnosis module USA only	Diagnostic module, fuel tank leakage

31		Not used

32	E/A	Signal Diagnostic link TXD	Diagnostic connector

33	E	Electronic vehicle immobilisation	Electronic immobiliser control unit

34	E	Signal Brake light switch	Brake light switch

35		Not used

36	E/A	Signal CAN bus high	Connector, CAN bus

37	E/A	Signal CAN bus low	Connector, CAN bus

38	M	Ground Coolant outlet temperature	Coolant outlet temperature sensor

39	A	Signal Coolant outlet temperature	Coolant outlet temperature sensor

40		Not used

Pin assignments at plug connector X60005

Pin	Type	Description / Signal type	Connection / Measuring notes
1	E	Signal Ignition coil 1	Ignition coil 1

2	E	Signal Ignition coil 2	Ignition coil 2

3	E	Signal Ignition coil 3	Ignition coil 3

4		Not used

5	M	Ground	Ground connector

6	E	Signal Ignition coil 5	Ignition coil 5

7	E	Signal Ignition coil 6	Ignition coil 6

8		Not used

9	E	Signal Ignition coil 4	Ignition coil 4