| Number | X-pin, color | Description |
|---|---|---|
| X12 | 15-pin, black | Connector Light module |
| X38 | 15-pin, white | Connector Light module |
| X10117 | 54-pin, black | Connector Light module |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Right rear fog light | Trunk lid lamp, right Trailer module (AHM) |
| 2 | A | Left tail light | Trailer module (AHM) |
| 3 | A | Signal, side lights ON | Right headlight |
| 4 | A | Right fog light | Right fog light |
| 5 | A | Left license plate light | Left license plate light |
| 6 | A | Right front turn light | Right headlight |
| 7 | M | Control module ground | Ground point |
| 8 | A | Rear left turn light | Tail light I left |
| 9 | A | Left brake light | Tail light I left |
| 10 | A | Center brake light | High level stop light |
| 11 | A | Left low beam light | Left headlight |
| 12 | A | Right license plate light | Right license plate light |
| 13 | A | Right high beam light | Right headlight |
| 14 | A | Right turn light | Right front auxiliary turn light |
| 15 | E | Terminal 30 voltage supply | Fuse F106 |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Nighttime illumination signal line | Terminal 58 splice |
| 2 | M | Control module ground | Ground splice |
| 3 | A | Right low beam light | Right headlight |
| 4 | A | Left turn light | Left front auxiliary turn light |
| 5 | A | Tail light signal Signal, brake power-dependent brake light function | Tail light I left |
| 6 | A | Left high beam light | Left headlight |
| 7 | A | Left fog light | Left fog light |
| 8 | E | Terminal 30 voltage supply | Fuse F61 |
| 9 | A | Left back-up light | Trunk lid lamp, left |
| 10 | A | Right back-up light | Trunk lid lamp, right |
| 11 | A | Left front turn light | Left headlight |
| 12 | A | LH rear turn light | Tail light I right |
| 13 | A | Tail light signal Signal, brake power-dependent brake light function | Tail light I right |
| 14 | A | Right brake light | Tail light I right |
| 15 | A | Left rear fog light | Trunk lid lamp, left Trailer module (AHM) |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Illumination switch | S8 Light switch |
| 2 | Not used | ||
| 3 | Not used | ||
| 4 | Not used | ||
| 5 | Not used | ||
| 6 | Not used | ||
| 7 | E | Hazard lights ON signal | Hazard warning flasher switch |
| 8 | E | Rear fog light ON signal | S8 Light switch |
| 9 | Not used | ||
| 10 | E | Washer fluid level | Washer fluid level switch |
| 11 | Not used | ||
| 12 | Not used | ||
| 13 | E | Voltage supply terminal R | Fuse F9 |
| 14 | Not used | ||
| 15 | E | Oil level - thermal | 6-cylinder Oil level sensor |
| 16 | E | Dimmer signal | S8 Light switch |
| 17 | A | Right parking light | Trailer module (AHM) not USA |
| 18 | A | Signal, side lights ON | Left headlight |
| 19 | A | Hazard switch illumination | Hazard warning flasher switch |
| 20 | Not used | ||
| 21 | Not used | ||
| 22 | Not used | ||
| 23 | Not used | ||
| 24 | E | Engine coolant level | Engine coolant level switch |
| 25 | E | Brake light signal | Brake light switch |
| 26 | A | Back up signal | H10 Chime module |
| 27 | A | Actuation, bi-xenon shutter | Left headlight Right headlight |
| 28 | A | Back up signal | Intermittent wipe/wash control unit, rear |
| 29 | A | 5 V signal, potentiometer 1 | S8 Light switch |
| 30 | E | Signal Turn light | Combination switch |
| 31 | E | Terminal 15 | Fuse F2 |
| 32 | Not used | ||
| 33 | E | Headlights ON signal | Light switch |
| 34 | Not used | ||
| 35 | E | Interface AHM/LM | Trailer module (AHM) |
| 36 | E/A | I/K-bus signal link | Connector, I/K-bus |
| 37 | Not used | ||
| 38 | E | Back up signal | Navigation control module |
| 39 | E | Back up signal | Electrochromic rear view mirror |
| 40 | Not used | ||
| 41 | E | Brake fluid level | Brake fluid level switch |
| 42 | Not used | ||
| 43 | Not used | ||
| 44 | Not used | ||
| 45 | E | Rear fog light ON signal | Light switch |
| 46 | Not used | ||
| 47 | E | ABS/DSC indicator lamp | A65 ABS/DSC control module |
| 48 | Not used | ||
| 49 | Not used | ||
| 50 | E | Signal High beam, headlight flash switch | Combination switch |
| 51 | E | Park light ON signal | Light switch |
| 52 | M | Ground for electronic components | Light switch |
| 53 | Not used | ||
| 54 | Not used | ||