| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Right rear fog light | Right rear light assembly I |
| | | |
| 2 | A | Left tail light | Left rear light assembly I |
| | | |
| 3 | A | Right parking light | Right headlight EUR |
| | | |
| 3 | A | Right front turn light | Right front turn signal lamp USA |
| | | |
| 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 front turn signal lamp EUR |
| | | |
| 6 | | Not used | USA |
| | | |
| 7 | M | Control module ground | Ground point |
| | | |
| 8 | A | Rear left turn light | Left rear light assembly I |
| | | |
| 9 | A | Left brake light | Left rear light assembly I |
| | | |
| 10 | A | Center brake light | High level stop light |
| | | |
| 11 | A | Left low beam light | Low beam light, left |
| | | |
| 12 | A | Right license plate light | Right license plate light |
| | | |
| 13 | A | Right high beam light | Right high beam |
| | | |
| 14 | A | Right front turn light | Right front auxiliary turn light |
| | | |
| 15 | E | Terminal 30 voltage supply | Fuse F6 |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Nighttime illumination signal line | Terminal 58 splice |
| | | |
| 2 | M | Control module ground | Clutch signal |
| | | |
| 3 | A | Right low beam light | Low beam light, right |
| | | |
| 4 | A | Left front turn light | Left front auxiliary turn light |
| | | |
| 5 | A | Left tail light | Left rear light assembly I |
| | | |
| 6 | A | Left high beam light | Left high beam |
| | | |
| 7 | A | Left fog light | Left fog light |
| | | |
| 8 | E | Terminal 30 voltage supply | Fuse F113 |
| | | |
| 9 | A | Left back-up light | Left rear light assembly I |
| | | |
| 10 | A | Right back-up light | Right rear light assembly I |
| | | |
| 11 | A | Left front turn light | Left front turn signal lamp |
| | | |
| 12 | A | LH rear turn light | Right rear light assembly I |
| | | |
| 13 | A | Right tail light | Right rear light assembly I |
| | | |
| 14 | A | Right brake light | Right rear light assembly I |
| | | |
| 15 | A | Left rear fog light | Left rear light assembly I |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Illumination switch | Light switch |
| | | |
| 2 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| | | |
| 3 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| | | |
| 4 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| | | |
| 5 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| | | |
| 6 | | Not used | |
| | | |
| 7 | E | Hazard lights ON signal | Hazard warning flasher switch |
| | | |
| 8 | E | Rear fog light ON signal | Fog light switch |
| | | |
| 9 | | Not used | |
| | | |
| 10 | E | Washer fluid level | Washer fluid level switch |
| | | |
| 11 | | Not used | |
| | | |
| 12 | A | Warning lamp preheating/diagnostic trouble code | DDE control module (M51 only) |
| | | |
| 13 | E | Voltage supply terminal R | Fuse F44 |
| | | |
| 14 | | Not used | |
| | | |
| 15 | E | Oil level - thermal | Engine control module (DME) Digital diesel electronics control unit (not M51) |
| | | |
| 16 | E | Dimmer signal | Dimmer |
| | | |
| 17 | A | Right tail light | Right rear light assembly I |
| | | |
| 18 | A | Left parking light | Left headlight EUR |
| | | |
| 18 | A | Left front turn light | Left front turn signal lamp USA |
| | | |
| 19 | A | Hazard switch illumination | Hazard warning flasher switch |
| | | |
| 20 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| | | |
| 21 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| | | |
| 22 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| | | |
| 23 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| | | |
| 24 | E | Engine coolant level | Engine coolant level switch |
| | | |
| 25 | E | Brake light signal | Brake light switch |
| | | |
| 26 | A | Back up signal | Chime module Japan |
| | | |
| 27 | A | Headlight widening control module power | Headlight widening control module |
| | | |
| 28 | | Not used | |
| | | |
| 29 | | Not used | |
| | | |
| 30 | E | Right turn light signal | Combination switch |
| | | |
| 31 | E | Terminal 15 | Fuse F23 |
| | | |
| 32 | | Not used | |
| | | |
| 33 | E | Headlights ON signal | Light switch |
| | | |
| 34 | E | Signal Headlight widening adjustment | Headlight widening potentiometer |
| | | |
| 35 | E | Interface for eject box/interface/transceiver | Trailer module (AHM) EUR |
| | | |
| 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 ABS/DSC control module |
| | | |
| 42 | | Not used | |
| | | |
| 43 | | Not used | |
| | | |
| 44 | | Not used | |
| | | |
| 45 | E | Rear fog light ON signal | Fog light switch |
| | | |
| 46 | | Not used | |
| | | |
| 47 | | Not used | |
| | | |
| 48 | | Not used | |
| | | |
| 49 | | Not used | |
| | | |
| 50 | E | High beam ON signal | Combination switch |
| | | |
| 51 | E | Park light ON signal | Light switch |
| | | |
| 52 | | Not used | |
| | | |
| 53 | E | Signal Headlight widening adjustment | Headlight widening potentiometer |
| | | |
| 54 | A | Terminal 58 illumination | Electronic shock absorber control module (EDC) |
| | | |