In this article, we consider the first-generation Smart Forfour (W454), produced from 2004 to 2006. Here you will find fuse box diagrams of Smart Forfour 2004, 2005 and 2006, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.
See other Smart Forfour:
Fuse Layout Smart Forfour 2004-2006
Contents
Cigar lighter (power outlet) fuse in the Smart Forfour is the fuse #16 in the Instrument panel fuse box.
Table of Contents
Fuse box location
The fuse box is located under the instrument panel (on the left side).
Fuse box diagram
Assignment of the fuses and relays in the Instrument Panel
| № | Description | Amp |
|---|---|---|
| 1 | Interior illumination Upper control panel control unit Left SAM control unit Rain sensor/light sensor Instrument cluster Combination switch Central gateway control unit |
10 |
| 2 | Left SAM control unit / ETACS | 10 |
| 3 | Left standing lamp and taillamp | 7.5 |
| 4 | Right parking light and taillamp | 7.5 |
| 5 | Front wiper | 20 |
| 6 | Control unit | 7.5 |
| 7 | Outside mirror heaters | 7.5 |
| 8 | Right high beam | 10 |
| 9 | Left high beam | 10 |
| 10 | Horn | 10 |
| 11 | Fuel pump | 15 |
| 12 | Petrol: Motor electronics control unit Motor relay Throttle valve relay |
20 |
| 13 | Trailer hitch socket (13-pin) circuit 30 | 15 |
| 14 | Glass sliding roof | 20 |
| 15 | Rear window wiper motor | 15 |
| 16 | Cigarette lighter | 15 |
| 17 | Rear fog lamp | 7.5 |
| 18 | Outside mirror adjustment | 7.5 |
| 19 | Diesel: EDG control unit |
15 |
| 20 | Diesel: EDG control unit Fuel pump relay 2 Motor relay |
7.5 |
| 21 | Right low beam | 10 |
| 22 | Left low beam, headlamp range adjustment | 10 |
| 23 | Front fog lamp | 10/15 |
| 24 | Diagnostic socket, central locking (2004) | 15 |
| 25 | Trailer hitch socket (13-pin) circuit 15 | 15 |
| 26 | Turn signal lights | 15 |
| 27 | Audio/subwoofer | 15 |
| 28 | Anti-theft alarm system | 10 |
| 29 | Manual transmission | 20 |
| 30 | Diagnostic socket, central locking (2005-2006) | 15 |
| 31 | Brake lights Stop lamp switch (4-pin) |
15 |
| 32 | Control unit for air conditioning system, 12 volt | 7.5 |
| 33 | ESP control unit Steering assist control unit Restraint systems control unit (Airbag) |
7.5 |
| 34 | Petrol: Ignition coils |
10 |
| 35 | EDG control unit Fuel pump relay 1 |
7.5 |
| 36 | Reversing lights | 7.5 |
| 37 | Rear window heater | 30 |
| 38 | Seat heater | 30 |
| 39 | Diesel: EDG control unit |
30 |
| 40 | Heater blower | 40 |
| 41 | Ignition/starter switch | 40 |
| 42 | Power windows Headlamp cleaning system pump |
40 |
| 43 | Engine coolant fan motor | 40 |
| 44 | Electronic selector lever module control unit (with transmission 717.474, 717.475) | 40 |
| Relays | ||
| A | Power window relay | |
| B | Horn relay | |
| C | Fuel pump 2 relay | |
| D | Rear fog lamps relay | |
| E | Starter relay | |
| F | Gasoline/diesel engine relay | |
| G | Preexcitation alternator | |
| H | Fan stage 1 relay | |
| I | Fog lamp relay | |
| J | Heater relay | |
| K | Fuel pump 1 relay | |
| L | Transmission relay | |
| M | Trailer hitch bridge | |
| N | Free (backup relay) | |
| O | Fan stage 2 relay | |
| P | Headlamp cleaning system relay | |
| Q | Rear window defroster relay | |
| R | Heated seats bridge | |
| S | Low beam relay | |
| T | High beam relay | |
| U | Throttle valve relay (only with engine 134.910, 135.930/950) |
