Pin | Type | Description / Signal type | Connection / Measuring notes |
---|
1 | A | Oxygen sensor heater signal | DME heated oxygen sensor 1 splice |
| | |
2 | A | Idle speed control - closing winding | Idle speed control valve |
Cycled negatively | | See component control |
3 | A | Cyl. 1 fuel injection valve | Cyl. 1 fuel injection valve |
Cycled negatively | | See component control, check injection time |
4 | A | Cyl. 4 fuel injection valve | Cyl. 4 fuel injection valve |
Cycled negatively | | See component control, check injection time |
5 | A | Cyl. 5 fuel injection valve | Cyl. 5 fuel injection valve |
Cycled negatively | | See component control, check injection time |
6 | M | Fuel injection valve ground | Ground point |
Ground | | |
7 | A | Cyl. 6 fuel injection valve | Cyl. 6 fuel injection valve |
Cycled negatively | | See component control, check injection time |
8 | A | Malfunction indicator lamp (USA only) | Instrument cluster |
Negative | | Lights if exhaust gas related diagnostic trouble code is stored and to check lamp during ignition ON |
9 | E | Start signal | Starter relay |
| | |
10 | E | Antitheft alarm system signal (EWS) | Electronic drive-away protection control unit (EWS) |
| | |
11 | A | A/C compressor signal | Heating and A/C control module |
| | |
12 | E | Terminal 50 signal | Ignition switch |
| | |
13 | E | Knock sensor signal | Knock sensor |
| | |
14 | | Not used | |
| | |
15 | | Not used | |
| | |
16 | A | Intake air temperature | Intake air temperature sensor |
Voltage value | | |
17 | M | Hot-film mass air flow sensor ground | Hot-film mass air flow sensor |
Ground | | |
18 | E | Heated oxygen sensor signal | Heated oxygen sensor II in front of catalytic converter |
Pulsating voltage 0.1-1.0 V | | Can only be measured with engine running at operating temperature |
19 | E | Heated oxygen sensor signal | Heated oxygen sensor I in front of catalytic converter |
Pulsating voltage 0.1-1.0 V | | Can only be measured with engine running at operating temperature |
20 | A | Crankshaft position sensor signal (speed and position) | Crankshaft position/RPM sensor |
Alternating voltage | | |
21 | A | Camshaft position sensor signal (cylinder reference) | Hall effect camshaft position sensor |
| | |
22 | A | Cyl. 6 ignition signal | Cyl. 6 ignition coil |
Primary signal | | RZV adapter |
23 | A | Cyl. 3 ignition signal | Cyl. 3 ignition coil |
Primary signal | | RZV adapter |
24 | A | Cyl. 7 ignition signal | Cyl. 7 ignition coil |
Primary signal | | RZV adapter |
25 | A | Cyl. 2 ignition signal | Cyl. 2 ignition coil |
Primary signal | | RZV adapter |
26 | E | Terminal 30 | Fuse carrier, engine electronics |
| | |
27 | A | Engine control module relay | Engine control module relay |
Negative | | |
28 | M | Ground for electronics and sensor shield | Ground splice |
Ground | | |
29 | A | Idle speed control - opening winding | Idle speed control valve |
Cycled negatively | | Component control |
30 | A | Oxygen sensor heater signal | Heated oxygen sensor I in front of catalytic converter Heated oxygen sensor II in front of catalytic converter |
| | |
31 | A | Cyl. 5 fuel injection valve | Cyl. 5 fuel injection valve |
Cycled negatively | | Component control |
32 | A | Cyl. 8 fuel injection valve | Cyl. 8 fuel injection valve |
Cycled negatively | | Component control |
33 | A | Cyl. 3 fuel injection valve | Cyl. 3 fuel injection valve |
Cycled negatively | | Component control |
34 | M | Remaining output stages ground (apart from ignition and fuel injection valves) | Ground point |
Ground | | |
35 | A | Cyl. 2 fuel injection valve | Cyl. 2 fuel injection valve |
Cycled negatively | | Component control |
36 | A | A/C compressor relay signal | Heating and A/C control module |
Negative | | Negative - compressor OFF |
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 position sensor signal | Throttle position sensor |
0.4-4.2 V | | Dependent on throttle status |
45 | A | Hot-film mass air flow sensor signal | Hot-film mass air flow sensor |
0-5 V | | Status report |
46 | M | Heated oxygen sensor signal | Oxygen sensors |
Pulsating voltage 0.1-1.0 V | | Can only be measured with engine running at operating temperature |
47 | | Not used | |
| | |
48 | | Not used | |
| | |
49 | A | Cyl. 1 ignition signal | Cyl. 1 ignition coil |
Primary signal | | RZV adapter |
50 | A | Cyl. 5 ignition signal | Cyl. 5 ignition coil |
Primary signal | | RZV adapter |
51 | A | Cyl. 4 ignition signal | Cyl. 4ignition coil |
Primary signal | | RZV adapter |
52 | A | Cyl. 8 ignition signal | Cyl. 8 ignition coil |
Primary signal | | RZV adapter |
53 | A | Throttle position sensor + 5 V voltage supply | Throttle position sensor |
| | |
54 | E | Terminal 87 | Fuse F1 |
> 10 V | | |
55 | M | Ignition ground | Ground point |
Ground | | |
56 | E | Terminal 15 | Ignition switch |
> 10 V | | |
57 | | Not used | |
| | |
58 | | Not used | |
| | |
59 | E | Signal input Characteristic map, cooling | Characteristic map, cooling |
| | |
60 | E | Programming voltage input | Data link connector |
Voltage value | | |
61 | E | Signal input Evaporative emission valve | Evaporative emission valve |
| | |
62 | | Not used | |
| | |
63 | E | Fuel pump relay | Fuel pump relay |
Negative | | |
64 | | Not used | |
| | |
65 | | Not used | |
| | |
66 | | Not used | |
| | |
67 | | Not used | |
| | |
68 | | Not used | |
| | |
69 | E | A/C system standby signal | Heating and A/C control module |
> 10 V | | |
70 | E | Knock sensor signal | Knock sensor |
| | |
71 | M | Control module ground | Ground splice |
| | |
72 | | Not used | |
| | |
73 | | Not used | |
| | |
74 | E | Coolant temperature | Dual temperature switch |
| | |
75 | | Not used | |
| | |
76 | E | Heated oxygen sensor signal | Heated oxygen sensor II behind catalytic converter |
Pulsating voltage 0.1-1.0 V | | |
77 | E | Heated oxygen sensor signal | Heated oxygen sensor I behind catalytic converter |
Pulsating voltage 0.1-1.0 V | | |
78 | E | Crankshaft position sensor signal (speed and position) | Crankshaft position/RPM sensor |
Alternating voltage | | |
79 | E | RH rear engine speed signal | ABS/ASC control module |
| | |
80 | A | TD signal (engine speed) | TD signal splice |
| | |
81 | | Not used | |
| | |
82 | | Not used | |
| | |
83 | A | Injection signal | Integrated instrument cluster control module (IKE) |
| | |
84 | | Not used | |
| | |
85 | E/A | CAN bus low | Transmission control module (AGS) |
| | |
86 | E/A | CAN bus high | Transmission control module (AGS) |
| | |
87 | | Not used | |
| | |
88 | E/A | Data link TXD | Data link connector |
| | |