2004-2006 Smart Forfour
Location and description of fuses and relay Smart Forfour (W454) with petrol engine 1.1L (M134), 1.3L (M135.930), 1.5L (M135.950), 1.5L Brabus (M122) or diesel engine 1.5 CDI (OM 639) (2004, 2005, 2006)
Fuse Block
| No. | A | Description |
|---|---|---|
| 1 | 10 | Interior illumination Upper control panel control unit Left SAM control unit Rain sensor/light sensor Instrument cluster Combination switch Central gateway control unit |
| 2 | 10 | Left SAM control unit |
| 3 | 7.5 | Left standing lamp and taillamp |
| 4 | 7.5 | Right parking light and taillamp |
| 5 | 20 | Front wiper |
| 6 | - | Vacant |
| 7 | 7.5 | Heated outside mirror |
| 8 | 10 | Right high beam |
| 9 | 10 | Left high beam |
| 10 | 10 | Horn |
| 11 | 15 | Fuel pump |
| 12 | 20 | ENGINE 122.9, 134.9, 135.9: Motor electronics control unit Motor relay Throttle valve relay |
| 13 | 15 | Trailer hitch socket (13-pin) circuit 30 |
| 14 | 20 | Glass sliding roof |
| 15 | 15 | Rear window wiper motor |
| 16 | 15 | Cigarette lighter |
| 17 | 7.5 | Rear fog lamp |
| 18 | 7.5 | Outside mirror adjustment |
| 19 | 15 | ENGINE 639.9: EDG control unit |
| 20 | 7.5 | ENGINE 639.9: EDG control unit Fuel pump relay 2 Motor relay |
| 21 | 10 | Right low beam |
| 22 | 10 | Left low beam, headlamp range adjustment |
| 23 | 15 | Front fog lamp (up to model year 04) |
| 10 | Front fog lamp (as of model year 05) | |
| 24 | 15 | Diagnostic socket, central locking (up to model year 04) |
| 25 | 15 | Trailer hitch socket (13-pin) circuit 15 |
| 26 | 10 | Turn signal lights |
| 27 | 15 | Radio |
| 28 | 10 | Anti-theft alarm system |
| 29 | 20 | Manual transmission |
| 30 | 15 | Diagnostic socket, central locking (as of model year 05) |
| 31 | 15 | Brake lights Stop lamp switch (4-pin) |
| 32 | 7.5 | AAC [KLA] control and operating unit |
| 33 | 7.5 | ESP control unit Steering assist control unit Restraint systems control unit |
| 34 | 10 | ENGINE 122.9, 134.9, 135.9: Ignition coils |
| 35 | 7.5 | EDG control unit Fuel pump relay 1 |
| 36 | 7.5 | Reversing lights |
| 37 | 30 | Rear window heater |
| 38 | 30 | Heated seats |
| 39 | 30 | ENGINE 639.9: EDG control unit |
| 40 | 40 | Heater blower |
| 41 | 40 | Ignition/starter switch |
| 42 | 40 | Power windows Headlamp cleaning system pump |
| 43 | 40 | Engine coolant fan motor |
| 44 | 40 | Electronic selector lever module control unit (with transmission 717.474, 717.475) |
| Relay | ||
| A | Power window | |
| B | Horn | |
| C | Fuel pump 2 | |
| D | Rear fog lamps | |
| E | Starter | |
| F | Gasoline/diesel engine | |
| G | Preexcitation alternator | |
| H | Fan stage 1 | |
| I | Fog lamp | |
| J | Heater relay | |
| K | Fuel pump 1 | |
| L | Transmission | |
| M | Trailer hitch bridge | |
| N | Free (backup relay) | |
| O | Fan stage 2 | |
| P | Headlamp cleaning system | |
| Q | Rear window defroster | |
| R | Heated seats bridge | |
| S | Low beam | |
| T | High beam | |
| U | 134.910, 135.930/950: Throttle valve | |
Petrol engine:
- M134 - 1.1
- M135.930 - 1.3
- M135.950 - 1.5 and 1.5 SportStyle
- M122 - 1.5 Brabus
Diesel engine
- OM 639 - 1.5 CDI
