| Pin | Type | Description / Signal type | Connection / Measuring notes
 | 
|---|
| 1 | A | Terminal 50 | Manual transmission Starter Automatic transmission Start relay | 
|  |  |  | 
| 2 | E | Terminal 30 | Manual transmission Ignition switch Automatic transmission Fuse F114 | 
|  |  |  | 
| 3 |  | Not used |  | 
|  |  |  | 
| 4 | A | Activation, drive-away protection | DME control unit | 
|  |  |  | 
| 5 | E | Signal, ring coil ignition lock | Ring coil | 
|  |  |  | 
| 6 | E | Signal, gearshift position L2 | Gear position switch | 
|  |  |  | 
| 7 |  | Not used |  | 
|  |  |  | 
| 8 |  | Not used |  | 
|  |  |  | 
| 9 | E | Terminal 31 | Connector terminal 31 | 
|  |  |  | 
| 10 | E | Voltage supply terminal 30 | Fuse F12 | 
|  |  |  | 
| 11 | E | Terminal R | Fuse F37 | 
|  |  |  | 
| 12 | E | Signal, ring coil ignition lock | Ring coil | 
|  |  |  | 
| 13 | E/A | K-bus signal line | Integrated electronic control unit (IKE) | 
|  |  |  |