| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | E/A | Diagnostic link TXD | Diagnostic connector |
| | | |
| 2 | | Not used | |
| | | |
| 3 | A | Speedometer (A) output signal | Radio |
| | | |
| 4 | A | Gong activation | Gong |
| | | |
| 5 | | Not used | |
| | | |
| 6 | A | Activation, acoustic generator, tone 6 | Gong |
| | | |
| 7 | A | K-bus signal line | K-bus connector |
| | | |
| 8 | E/A | I/K-bus signal link | Connector, I/K-bus |
| | | |
| 9 | M | Control unit ground | Ground connector |
| | | |
| 10 | M | Control unit ground | Ground connector |
| | | |
| 11 | A | Activation, tone 3 acoustic generator | Gong |
| | | |
| 12 | E | Terminal R | Fuse F43 |
| | | |
| 13 | E | Signal, steptronic Gear indicator | AGS transmission control unit |
| | | |
| 14 | E | Start position, terminal 30h | DME control unit DDE control unit |
| | | |
| 15 | E | Terminal 30 | Fuse F26 |
| | | |
| 16 | E | Terminal 15 | Fuse F18 |
| | | |
| 17 | A | Activation, tone 2 acoustic generator | Gong |
| | | |
| 18 | A | Activation, tone 1 acoustic generator | Gong |
| | | |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | E | Rear left speed signal | ABS/ASC control unit |
| | | |
| 2 | | Not used | |
| | | |
| 3 | E | TD signal | Connector, TD signal |
| | | |
| 4 | E | Brake pad wear indicator | Front left brake pad sensor |
| | | |
| 5 | E | BC remote control | Turn indicator/low beam selector |
| | | |
| 6 | | Not used | |
| | | |
| 7 | E | Tank content I | Electrical fuel pump (EKP I) |
| | | |
| 8 | E/A | CAN-bus high | CAN link |
| | | |
| 9 | E/A | CAN-bus low | CAN link |
| | | |
| 10 | | Not used | |
| | | |
| 11 | E/A | CAN-bus | Integrated electronic control unit (IKE) |
| | | |
| 12 | A | Analog ground, IKE sensor | Electrical fuel pump (EKP I) |
| | | |
| 13 | E/A | Signal DDE control unit | DDE control unit |
| | | |
| 14 | E | Outside temperature | Temperature sensor |
| | | |
| 15 | E/A | Diagnostic link | Diagnostic connector |
| | | |
| 16 | A | Analog ground, IKE sensor | Fuel supply sensor II |
| | | |
| 17 | | Not used | |
| | | |
| 18 | A | Analog ground, IKE sensor | Dual temperature sensor Diesel Dual temperature sensor |
| | | |
| 19 | E | Coolant temperature | Dual temperature sensor Diesel Dual temperature sensor |
| | | |
| 20 | A | Analog ground, IKE sensor | Brake pad sensor |
| | | |
| 21 | | Not used | |
| | | |
| 22 | A | Analog ground, IKE sensor | Temperature sensor |
| | | |
| 23 | E | Tank content II | Fuel supply sensor II |
| | | |
| 24 | E/A | CAN-bus | Integrated electronic control unit (IKE) |
| | | |
| 25 | E | Reversing light signal | DME control unit DDE control unit |
| | | |
| 26 | | Not used | |
| | | |