| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Signal, hotel switch | Hotel switch |
| | | |
| 2 | E | Rear lid open signal | Light switch unit |
| | | |
| 3 | E | Signal, lock central locking | A/C control unit |
| | | |
| 4 | | Not used | |
| | | |
| 5 | | Not used | |
| | | |
| 6 | A | Signal, starter terminal 50 | Starter relay |
| | | |
| 7 | E | Supply, Car access control unit | Power module |
| | | |
| 8 | | Not used | |
| | | |
| 9 | E | Signal, gearbox position P | Mechatronics (EGS) |
| | | |
| 10 | E | Brake light test signal | Brake light switch |
| | | |
| 11 | E/A | Signal, CAN-bus | CAN-bus connector |
| | | |
| 12 | E/A | Signal, CAN-bus | CAN-bus connector |
| | | |
| 13 | E/A | Signal, CAN-bus | CAN-bus connector |
| | | |
| 14 | E/A | Signal, CAN-bus | CAN-bus connector |
| | | |
| 15 | E/A | PA bus signal | PA bus connector |
| | | |
| 16 | M | Ground | Ground connector |
| | | |
| 17 | E | Signal, front lid contact | Bonnet contact |
| | | |
| 18 | E | Signal, unlock central locking | A/C control unit |
| | | |
| 19 | M | Ground | Ground point |
| | | |
| 20 | | Not used | |
| | | |
| 21 | | Not used | |
| | | |
| 22 | E | Signal, remote control services | N8 Antenna amplifier with remote control receiver |
| | | |
| 23 | | Not used | |
| | | |
| 24 | | Not used | |
| | | |
| 25 | | Not used | |
| | | |
| 26 | | Not used | |
| | | |
| 27 | A | Signal, electronic vehicle immobilizer | DME control unit |
| | | |
| 28 | | Not used | |
| | | |
| 29 | | Not used | |
| | | |
| 30 | | Not used | |
| | | |
| 31 | | Not used | |
| | | |
| 32 | | Not used | |
| | | |
| 33 | E | Supply, Car access control unit | Fuse F42 |
| | | |
| 34 | A | Supply, terminal 15 | Relay, fuel injectors Oil quality sensor |
| | | |
| 35 | A | Supply, terminal 15 | with rear compartment air conditioning |
| | | |
| 36 | | Not used | |
| | | |
| 37 | | Not used | |
| | | |
| 38 | E | Signal, processed wheel speed, rear left | Connector X1101 (rear left wheel speed) |
| | | |
| 39 | A | Supply, terminal 15 | Control unit, rear compartment seat heating |
| | | |
| 40 | A | Supply, terminal 15 | Rotation rate sensor |
| | | |
| 41 | A | Supply, terminal 15 | Light module |
| | | |
| 42 | | Not used | |
| | | |
| 43 | | Not used | |
| | | |
| 44 | | Not used | |
| | | |
| 45 | | Not used | |
| | | |
| 46 | | Not used | |
| | | |
| 47 | | Not used | |
| | | |
| 48 | A | Wake-up signal, terminal 15 | Connector , terminal 15 wake-up signal |
| | | |
| 49 | A | Wake-up signal, terminal 15 | Power module |
| | | |
| 50 | A | Wake-up signal, terminal 15 | Control unit, active cruise control (ACC) |
| | | |
| 51 | A | Signal, terminal 50 | DME control unit |
| | | |
| 52 | A | Signal, terminal 15 fuel pump | Satellite, right B-pillar |
| | | |
| 53 | A | Supply, terminal 15 | Steering column switch cluster |
| | | |
| 54 | | Not used | |
| | | |