| Number | X-pin, colour | Description |
|---|---|---|
| X12 | 15-pin, black | Plug connector A Light module |
| X38 | 15-pin, white | Plug connector B Light module |
| X10117 | 26-pin, black | Plug connector C Light module |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Right rear fog light | Rear right light I |
| 2 | A | Left tail light | Rear left light I |
| 3 | A | Front right parking light | Right headlight |
| 4 | A | Right fog light | Right fog light |
| 5 | A | Left licence plate light | Left licence plate light |
| 6 | A | Right front turn signal indicator | Right front turn signal indicator |
| 7 | M | Control unit ground | Ground connector |
| 8 | A | Rear left turn signal indicator | Rear left light I |
| 9 | A | Left brake light | Rear left light I |
| 10 | A | Centre brake light | Raised brake light |
| 11 | A | Left low beam light | Left headlight |
| 12 | A | Right licence plate light | Right licence plate light |
| 13 | A | Right high beam light | Right headlight |
| 14 | A | Right front turn signal indicator | Front right auxiliary flasher unit |
| 15 | E | Terminal 30 | Fuse F112 |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Night light signal | Connector, terminal 58g |
| 2 | M | Control unit ground | Ground connector |
| 3 | A | Right low beam light | Right headlight |
| 4 | A | Left front turn signal indicator | Front left auxiliary flasher unit |
| 5 | A | Inner left tail light | Rear left light I |
| 6 | A | Left high beam light | Right headlight |
| 7 | A | Left fog light | Left fog light |
| 8 | E | Terminal 30 | Fuse F113 |
| 9 | A | Left reversing light | Rear left light I |
| 10 | A | Right reversing light | Rear right light I |
| 11 | A | Left front turn signal indicator | Left front turn signal indicator |
| 12 | A | Rear left turn signal indicator | Rear right light I |
| 13 | A | Inner right tail light | Rear right light I |
| 14 | A | Right brake light | Rear right light I |
| 15 | A | Left rear fog light | Rear left light I |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Lighting, light switch | Light switch |
| 2 | Not used | ||
| 3 | Not used | ||
| 4 | E | Signal, brake pedal operated | Brake light switch |
| 5 | E | Signal, rear fog light ON | Fog light switch |
| 6 | E | Headlamp flasher signal | Turn indicator/low beam selector |
| 7 | Not used | ||
| 8 | E | Headlights ON signal | Light switch |
| 9 | E | Signal, left turn signal indicator | Turn indicator/low beam selector |
| 10 | E | Signal, night light dimmer | Dimmer |
| 11 | A | Right tail light | Rear right light I |
| 12 | A | Front left parking light | Left headlight |
| 13 | A | Supply for beam throw control unit (LWR) | Beam throw adjustment control unit (LWR) |
| 14 | A | Acoustic signal | Gong |
| 15 | A | Activation, interior rear-view mirror | Electrochromic interior rear view mirror |
| 16 | Not used | ||
| 17 | E | Signal, rear fog lights ON | Fog light switch |
| 18 | E | Terminal 15 | Fuse F23 |
| 19 | E | Signal, high beam ON | Turn indicator/low beam selector |
| 20 | E | Signal, hazard warning lights ON | Hazard warning flasher switch |
| 21 | E | Signal, parking light ON | Light switch |
| 22 | E | Signal, right turn signal indicator | Turn indicator/low beam selector |
| 23 | A | I-bus signal line | I-bus connector |
| 24 | A | Lights, hazard warning switch | Hazard warning flasher switch |
| 25 | E | AHM signal line | Trailer module (AHM) |
| 26 | A | Lights, terminal 58 | EDC control unit |