| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Right rear fog light | Tail light I right |
| | | |
| 2 | A | Left tail light | Tail light I left |
| | | |
| 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 | Tail light I left |
| | | |
| 9 | A | Left brake light | Tail light I left |
| | | |
| 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 | Voltage supply terminal 30 | Fuse F112 |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Lighting, light switch | Light switch |
| | | |
| 2 | A | Motor ground - left-hand adjustment | Left headlight |
| | | |
| 3 | A | Activation - left-hand adjustment | Left headlight |
| | | |
| 4 | A | Activation - left-hand adjustment | Left headlight |
| | | |
| 5 | A | Motor ground - left-hand adjustment | Left headlight |
| | | |
| 6 | E | Belt signal | Driver's seat belt buckle switch |
| | | |
| 7 | E | Signal, hazard warning lights ON | Hazard warning switch |
| | | |
| 8 | E | Signal, rear fog light ON | Fog light switch |
| | | |
| 9 | E | Warning lamp signal | EML control unit 750i |
| | | |
| 10 | E | Wash water level | Wash water level switch |
| | | |
| 11 | | Not used | |
| | | |
| 12 | A | 725tds Warning lamp preheating/error signal | DDE control unit |
| | | |
| 13 | E | Terminal R | Fuse F44 |
| | | |
| 14 | E | Signal, right turn signal indicator | Turn indicator/low beam selector |
| | | |
| 15 | E | Oil level - thermal | Oil level sensor |
| | | |
| 16 | E | Signal, night light dimmer | Dimmer |
| | | |
| 17 | A | Inner right tail light | Tail light I right |
| | | |
| 18 | A | Front left parking light | Left headlight Left front turn signal indicator US |
| | | |
| 19 | A | Lights, hazard warning switch | Hazard warning switch |
| | | |
| 20 | A | Motor ground - right-hand adjustment | Left headlight |
| | | |
| 21 | A | Activation - right-hand adjustment | Left headlight |
| | | |
| 22 | A | Activation - right-hand adjustment | Left headlight |
| | | |
| 23 | A | Motor ground - right-hand adjustment | Left headlight |
| | | |
| 24 | E | Coolant level | Coolant level switch |
| | | |
| 25 | E | Brake light signal | Brake light switch |
| | | |
| 26 | A | Acoustic signal | Gong, Japan |
| | | |
| 27 | A | Supply for beam throw control unit (LWR) | Beam throw adjustment control unit (LWR) |
| | | |
| 28 | | Not used | |
| | | |
| 29 | | Not used | |
| | | |
| 30 | | Not used | |
| | | |
| 31 | E | Terminal 15 | Fuse F23 |
| | | |
| 32 | E | Signal, left turn signal indicator | Turn indicator/low beam selector |
| | | |
| 33 | E | Headlights ON signal | Light switch |
| | | |
| 34 | E | Signal Beam throw adjustment | Headlight beam angle adjust potentiometer |
| | | |
| 35 | E | AHM signal line | Tail light I right |
| | | |
| 36 | E | I-bus signal line | I-bus connector |
| | | |
| 37 | | Not used | |
| | | |
| 38 | E | Signal Navigation | Navigation control unit |
| | | |
| 39 | A | Activation, interior rear-view mirror | Electrochromic interior rear view mirror |
| | | |
| 40 | | Not used | |
| | | |
| 41 | E | Brake fluid level | Brake fluid level switch |
| | | |
| 42 | E | Ignition key warning (USA only) | Ignition switch |
| | | |
| 43 | E | Negative activation, rear left tweeter | Turn indicator/low beam selector |
| | | |
| 44 | E | Signal, high beam ON | Turn indicator/low beam selector |
| | | |
| 45 | E | Signal, rear fog light ON | Fog light switch |
| | | |
| 46 | | Not used | |
| | | |
| 47 | | Not used | |
| | | |
| 48 | | Not used | |
| | | |
| 49 | E | Catalytic converter overheated | Thermal switch (LA Japan) |
| | | |
| 50 | | Not used | |
| | | |
| 51 | E | Signal, parking light ON | Light switch |
| | | |
| 52 | | Not used | |
| | | |
| 53 | E | Signal Beam throw adjustment | Headlight beam angle adjust potentiometer |
| | | |
| 54 | A | Lights, terminal 58 | EDC control unit |
| | | |