ECU Pin assignments at plug connector X6000
Pin | Type | Description / Signal type | Connection / Measuring notes |
---|---|---|---|
1 | A | Signal, oxygen sensor heater | Connector, DMW oxygen sensor 1 |
2 | A | Idle actuator closing winding | Idle actuator |
3 | A | Fuel injector cyl. 1 | Fuel injector cyl. 1 |
4 | A | Fuel injector cyl. 4 | Fuel injector cyl. 4 |
5 | A | Not used | |
6 | M | Ground, fuel injector | Ground point |
7 | A | Not used | |
8 | A | Defect lamp (USA only) | Instrument cluster |
9 | E | Start signal | Start relay |
10 | E | Antitheft alarm system signal (EWS) | Electronic immobilizer control unit (EWS) |
11 | A | A/C compressor signal | Heating and A/C control module |
12 | E | Signal, terminal 50 | Ignition switch |
13 | E | Knock sensor signal | Knock sensor |
14 | Not used | ||
15 | Not used | ||
16 | E | Intake air temperature | Intake air temperature sensor |
17 | E | Ground, hot-film air mass meter | Hot-film air mass meter |
18 | E | Oxygen sensor signal | Heated oxygen sensor 2 in front of catalytic converter |
19 | E | Oxygen sensor signal | Heated oxygen sensor 1 in front of catalytic converter |
20 | A | Crankshaft sensor signal (speed and position) | Crankshaft sensor |
21 | A | Camshaft sensor signal (cylinder reference) | Hall-effect sensor, camshaft 1 |
22 | A | Not used | |
23 | A | Ignition signal cyl. 3 | Ignition coil cyl. 3 |
24 | A | Not used | |
25 | A | Ignition signal cyl. 2 | Ignition coil cyl. 2 |
26 | E | Terminal 30 | Fuse F109 |
27 | A | DME relay | DME relay |
28 | M | Ground for electronics and sensor shield | Ground connector |
29 | A | Idle actuator opening winding | Idle actuator |
30 | E | Signal, oxygen sensor heater | Heated oxygen sensor 1 in front of catalytic converter Heated oxygen sensor 2 in front of catalytic converter |
31 | A | Not used | |
32 | A | Not used | |
33 | A | Fuel injector cyl. 3 | Fuel injector cyl. 3 |
34 | M | Ground, remaining output stages (apart from ignition and fuel injectors) | Ground point |
35 | A | Fuel injector cyl. 2 | Fuel injector cyl. 2 |
36 | A | Signal, A/C compressor relay | Heating and A/C control module |
37 | Not used | ||
38 | Not used | ||
39 | Not used | ||
40 | E | Knock sensor signal | Knock sensor |
41 | E | Knock sensor signal | Knock sensor |
42 | E | Fuel reserve signal | Instrument cluster |
43 | Not used | ||
44 | E | Throttle potentiometer signal | Throttle potentiometer |
45 | M | Signal, hot-film air mass meter | Hot-film air mass meter |
46 | A | Signal, oxygen sensor Ground | Oxygen sensors |
47 | Not used | ||
48 | Not used | ||
49 | A | Ignition signal cyl. 1 | Ignition coil cyl. 1 |
50 | A | Not used | |
51 | A | Ignition signal cyl. 4 | Ignition coil cyl. 4 |
52 | A | Not used | |
53 | A | Throttle potentiometer + 5 V supply | Throttle potentiometer |
54 | E | Terminal 87 | Fuse F1 |
55 | M | Ignition ground | Ground point |
56 | E | Terminal 15 | Ignition switch |
57 | Not used | ||
58 | Not used | ||
59 | E | Signal input Characteristic map, cooling | Characteristic map, cooling |
60 | E | Programming voltage input | Diagnostic connector |
61 | E | Signal input Tank ventilation valve | Charcoal filter valve |
62 | Not used | ||
63 | E | EKP relay | Fuel pump relay 1 |
64 | Not used | ||
65 | Not used | ||
66 | Not used | ||
67 | Not used | ||
68 | Not used | ||
69 | E | Air conditioning system standby signal | Heating and A/C control module |
70 | E | Knock sensor signal | Knock sensor |
71 | M | Ground for temperature sensor, throttle potentiometer and knock sensors | Ground connector |
72 | Not used | ||
73 | Not used | ||
74 | E | Signal, temperature sensor | Dual temperature sensor |
75 | Not used | ||
76 | E | Oxygen sensor signal | Heated oxygen sensor 2 behind catalytic converter |
77 | E | Oxygen sensor signal | Heated oxygen sensor 1 behind catalytic converter |
78 | E | Crankshaft sensor signal (speed and position) | Crankshaft sensor |
79 | E | Rear right speed signal | ABS control unit ABS/ASC control unit |
80 | A | TD signal (engine speed) | Connector TD signal |
81 | Not used | ||
82 | A | Ignition timing adjustment | Not used |
83 | A | Injection signal | Integrated electronic control unit (IKE) |
84 | Not used | ||
85 | E/A | CAN-bus low | AGS transmission control unit |
86 | E/A | CAN-bus high | AGS transmission control unit |
87 | Not used | ||
88 | E/A | Diagnostic link TXD | Diagnostic connector |