DME control unit - Siemens MS42 M52TU
E-Input A-Output E/A-Input/Output M-Ground
Pin assignments at plug connector X60001
Pin
1
2
3
4
5
6
7
8
9
Type
A
M
M
M
E
E
E
Description / Signal type
Terminal 15
Not used
Not used
Ground
Ground
Ground
Terminal 30
Voltage supply
Voltage supply
Connection /Measuring notes
Unloader relay terminal 15
Ground point
Ground connector
Ground connector
B+ terminal
Fuse carrier, engine electronics
Fuse carrier, engine electronics
Pin assignments at plug connector X60002
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Type
E
E
E
E
E
E
E
E
M
M
M
E
M
Description / Signal type
Signal Oxygen sensor heater in fornt of catalytic converter
Not used
Not used
Not used
Not used
Not used
Signal Oxygen sensor heater behind catalytic converter
Not used
Not used
Not used
Not used
Not used
Signal Oxygen sensor heater in fornt of catalytic converter
Signal Oxygen sensor before catalytic converter
Signal Oxygen sensor before catalytic converter
Signal Oxygen sensor after catalytic converter
Not used
Signal Oxygen sensor after catalytic converter
Signal Oxygen sensor heater behind catalytic converter
Ground Oxygen sensor before catalytic converter
Ground Oxygen sensor before catalytic converter
Ground Oxygen sensor after catalytic converter
Signal Activation, main relay
Ground Oxygen sensor after catalytic converter
Connection /Measuring notes
Heated oxygen sensor 1 in front of catalytic converter
Heated oxygen sensor 1 in front of catalytic converter
Heated oxygen sensor 2 in front of catalytic converter
Heated oxygen sensor 1 in front of catalytic converter
Heated oxygen sensor 2 in front of catalytic converter
Heated oxygen sensor 1 behind catalytic converter
Heated oxygen sensor 2 behind catalytic converter
Heated oxygen sensor 2 behind catalytic converter
Heated oxygen sensor 1 in front of catalytic converter
Heated oxygen sensor 2 in front of catalytic converter
Heated oxygen sensor 1 behind catalytic converter
DME relay
Heated oxygen sensor 2 behind catalytic converter
Pin assignments at plug connector X60003
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Type
E
E
E
A
E
A
E
E
E
E
E
M
M
E
M
M
E
M
E
A
M
A
M
E
A
M
A
A
A
A
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
M
E
Description / Signal type
Signal Air mass sensor
Signal Exhaust camshaft sensor 1
Suction jet pump shut-off valve
Throttle valve supply
Signal Inlet camshaft sensor 1
Not used
Throttle valve supply
Signal Crankshaft sensor
Signal Driver's wish sensor 2
Signal Throttle potentiometer 2
Not used
Engine start signal feedback
Signal Battery charge indicator lamp
Ground Throttle position sensor
Ground Exhaust camshaft sensor 1
Signal Driver's wish sensor 1
Ground Air mass sensor
Ground Inlet camshaft sensor 1
Signal Throttle potentiometer 1
Ground Throttle position sensor
Ground Crankshaft sensor
Signal Intake air temperature
Ground Intake air temperature
Signal Coolant temperature
Ground Coolant temperature
Signal Oil pressure
Signal Engine oil temperature
Ground Engine oil temperature
Signal Knock sensor
Signal Knock sensor
Signal Knock sensor
Signal Knock sensor
Signal Fuel injector 1
Signal Fuel injector 2
Signal Fuel injector 3
Signal Fuel injector 4
Signal Fuel injector 5
Signal Fuel injector 6
Signal Oil level sensor
Signal VANOS inlet valve
Signal VANOS outlet valve
Signal Fuel tank vent valve
Signal Throttle valve
Signal Throttle valve
Signal Characteristic map cooling
Signal Close idle speed control valve
Signal Open idle speed control valve
Signal Shield, knock sensor
Signal Valve, individ control intake system
Not used
Not used
Not used
Connection /Measuring notes
Hot-film air mass meter
Camshaft sensor II
Valve, sucking jet pump
Throttle valve
Camshaft sensor I
Throttle valve
Crankshaft sensor
Throttle valve
Throttle valve
Starter
Alternator
Throttle valve
Camshaft sensor II
Throttle valve
Hot-film air mass meter
Camshaft sensor I
Throttle valve
Throttle valve
Crankshaft sensor
Intake air temperature sensor
Intake air temperature sensor
Coolant temperature sensor
Coolant temperature sensor
Oil pressure switch
Oil temperature sensor
Oil temperature sensor
Knock sensor
Knock sensor
Knock sensor
Knock sensor
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Oil level sensor
VANOS inlet valve
VANOS outlet valve
Fuel tank vent valve
Throttle valve
Throttle valve
Thermostat, characteristic map cooling
Idle actuator
Idle actuator
Shield, knock sensor
Valve, individual control intake system
Pin assignments at plug connector X60004
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Type
E
E
E
E
E
E
E
A
E
E
A
E
E
E
E
E
E/A
E
E/A
E/A
M
A
Description / Signal type
Signal Battery charge indicator lamp
Engine start signal feedback
Signal Secondary air pump
Signal Electric fan
Not used
Not used
Not used
Not used
Not used
Signal Fuel pump relay 1
Signal Oil pressure switch
Not used
Not used
Not used
Not used
Not used
Speed signal
Signal, exhaust flap on RHD vehicles
Not used
Not used
Signal Oil level sensor
Signal Processed wheel speed, rear right
Signal Clutch switch
Signal Brake light switch
Not used
Terminal 15
Data link MFL
Signal Brake light switch
Signal Relay, A/C compressor
Not used
Not used
Signal Diagnostic link TXD
Electronic vehicle immobilisation
Not used
Not used
Signal CAN bus high
Signal CAN bus low
Ground Coolant outlet temperature
Signal Coolant outlet temperature
Not used
Connection /Measuring notes
Instrument cluster control unit
Instrument cluster control unit
Secondary air pump relay
Electric fan
Fuel pump relay 1
Instrument cluster control unit
Diagnostic connector
Valve, exhaust flap
Instrument cluster control unit
ABS/ASC unit ABS/DSC unit
Clutch switch
Light switching centre control unit
Fuse F29
Volute spring
Brake light switch
Relay, A/C compressor
Diagnostic connector
Electronic immobiliser control unit
Connector, CAN bus
Connector, CAN bus
Temperature sensor
Temperature sensor
Pin assignments at plug connector X60005
Pin
1
2
3
4
5
6
7
8
9
Type
E
E
E
M
M
E
E
E
Description / Signal type
Signal Ignition coil 3
Signal Ignition coil 2
Signal Ignition coil 1
Not used
Ground
Ground
Signal Ignition coil 6
Signal Ignition coil 5
Signal Ignition coil 4
Connection /Measuring notes
Ignition coil 3
Ignition coil 2
Ignition coil 1
Ground connector
Ground connector
Ignition coil 6
Ignition coil 5
Ignition coil 4