Pinout M44 - Bosch M5.2
E-Input A-Output E/A-Input/Output M-Ground
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
Type
A
A
A
A
A
M
A
A
E
E
A
E
E
E
E
E
E
A
A
A
A
A
A
E
A
M
A
E
A
A
A
M
A
A
E
E
E
E
M
A
A
A
A
A
A
E
M
E
E
E
E
E
E
E
M
E
E
E
E
E
A
A
A
E/A
E/A
E/A
Description / Signal type
Signal, oxygen sensor heater
Idle actuator closing winding
Fuel injector cyl. 1
Fuel injector cyl. 4
Not used
Ground, fuel injector
Not used
Defect lamp (USA only)
Start signal
Antitheft alarm system signal (EWS)
A/C compressor signal
Signal, terminal 50
Knock sensor signal
Not used
Not used
Intake air temperature
Ground, hot-film air mass meter
Oxygen sensor signal
Oxygen sensor signal
Crankshaft sensor signal (speed and position)
Camshaft sensor signal (cylinder reference)
Not used
Ignition signal cyl. 3
Not used
Ignition signal cyl. 2
Terminal 30
DME relay
Ground for electronics and sensor shield
Idle actuator opening winding
Signal, oxygen sensor heater
Not used
Not used
Fuel injector cyl. 3
Ground, remaining output stages
Fuel injector cyl. 2
Signal, A/C compressor relay
Not used
Not used
Not used
Knock sensor signal
Knock sensor signal
Fuel reserve signal
Not used
Throttle potentiometer signal
Signal, hot-film air mass meter
Signal, oxygen sensor Ground
Not used
Not used
Ignition signal cyl. 1
Not used
Ignition signal cyl. 4
Not used
Throttle potentiometer + 5 V supply
Terminal 87
Ignition ground
Terminal 15
Not used
Not used
Signal input Characteristic map, cooling
Programming voltage input
Signal input Tank ventilation valve
Not used
EKP relay
Not used
Not used
Not used
Not used
Not used
Air conditioning system standby signal
Knock sensor signal
Ground temperature sensor, throttle and knock
Not used
Not used
Signal, temperature sensor
Not used
Oxygen sensor signal
Oxygen sensor signal
Crankshaft sensor signal (speed and position)
Rear right speed signal
TD signal (engine speed)
Not used
Ignition timing adjustment
Injection signal
Not used
CAN-bus low
CAN-bus high
Not used
Diagnostic link TXD
Connection /Measuring notes
Connector, DMW oxygen sensor 1
Idle actuator
Fuel injector cyl. 1
Fuel injector cyl. 4
Ground point
Instrument cluster
Start relay
Electronic immobilizer control unit (EWS)
Heating and A/C control module
Ignition switch
Knock sensor
Intake air temperature sensor
Hot-film air mass meter
Heated oxygen sensor 2 in front of catalytic converter
Heated oxygen sensor 1 in front of catalytic converter
Crankshaft sensor
Hall-effect sensor, camshaft 1
Ignition coil cyl. 3
Ignition coil cyl. 2
Fuse F109
DME relay
Ground connector
Idle actuator
Heated oxygen sensor 1, Heated oxygen sensor 2
Fuel injector cyl. 3
Ground point
Fuel injector cyl. 2
Heating and A/C control module
Knock sensor
Knock sensor
Instrument cluster
Throttle potentiometer
Hot-film air mass meter
Oxygen sensors
Ignition coil cyl. 1
Ignition coil cyl. 4
Throttle potentiometer
Fuse F1
Ground point
Ignition switch
Characteristic map, cooling
Diagnostic connector
Charcoal filter valve
Fuel pump relay 1
Heating and A/C control module
Knock sensor
Ground connector
Dual temperature sensor
Heated oxygen sensor 2 behind catalytic converter
Heated oxygen sensor 1 behind catalytic converter
Crankshaft sensor
ABS control unit ABS/ASC control unit
Connector TD signal
Not used
Integrated electronic control unit (IKE)
AGS transmission control unit
AGS transmission control unit
Diagnostic connector