Smart Forfour W454 (2004-2007) – fuse and relay box
Diagrams of fuse boxes and relays – Smart Forfour W454
Applies to vehicles manufactured in the years:
2004, 2005, 2006, 2007.
The cigarette lighter (s) on the Smart Forfour is fuse number 16 in the instrument panel fuse box.
Location of the fuse box
The fuse box is located under the dashboard (on the left side).
| Number | Description | Amperes [A] |
|---|---|---|
| 1 | Indoor lighting; Top control panel; Left SAM control unit; Rain sensor / light sensor; Instrument cluster; Combination switch. Central gate control unit. |
10 |
| 2 | Left SAM / ETACS control unit | 10 |
| 3 | Left standing lamp and tail lamp | 7.5 |
| 4 | Right parking light and rear light | 7.5 |
| 5 | Front wiper | 20 |
| 6 | Control unit | 7.5 |
| 7 | Exterior mirror heaters | 7.5 |
| 8 | Right high beam | 10 |
| 9 | Left high beam | 10 |
| 10 | Horn | 10 |
| 11 | Fuel pump | 15 |
| 12 | Gasoline: Engine electronics control unit;Engine relay;Throttle relay. |
20 |
| 13 | Trailer hitch socket (13-pin) circuit 30 | 15 |
| 14 | Glass sliding roof | 20 |
| 15 | Rear window wiper motor | 15 |
| 16 | Lighter | 15 |
| 17 | Rear fog light | 7.5 |
| 18 | Outside mirror adjustment | 7.5 |
| 19 | Diesel: EDG control unit |
15 |
| 20 | Diesel: EDGl control unit Fuel pump relay 2l Engine relay, |
7.5 |
| 21 | Right low beam | 10 |
| 22 | Left low beam, headlight 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 on the traffic lights | 15 |
| 27 | Audio / Subwoofer | 15 |
| 28 | Anti-theft alarm system | 10 |
| 29 | Manual gearbox | 20 |
| 30 | Diagnostic socket, central locking (2005-2006) | 15 |
| 31 | Brake lights; Stop lamp switch (4-pin). |
15 |
| 32 | Air conditioning control unit, 12 volts | 7.5 |
| 33 | ESP control unit;
Steering assist control unit; Safety systems control unit (airbag). |
7.5 |
| 34 | Gasoline: Ignition coils |
10 |
| 35 | EDG control unit; Fuel pump relay 1. |
7.5 |
| 36 | Reversing lamps | 7.5 |
| 37 | Rear window heating | 30 |
| 38 | Seat heating | 30 |
| 39 | Diesel: EDG control unit |
30 |
| 40 | Heater blower | 40 |
| 41 | Ignition / starter switch | 40 |
| 42 | Power windows Pump for headlight cleaning system |
40 |
| 43 | Engine coolant fan motor | 40 |
| 44 | Electronic gear lever module control unit (with gearbox 717.474, 717.475) | 40 |
| Relays | ||
| A | Electric window relay | |
| B | Horn relay | |
| C. | Fuel pump relay 2 | |
| D | Rear fog lamp relay | |
| E. | Starter relay | |
| F. | Gasoline / diesel engine relay | |
| G. | Pre-excitation alternator | |
| H. | Fan stage 1 relay | |
| I | Fog lamp relay | |
| J. | Heater relay | |
| K. | Fuel pump relay 1 | |
| L. | Transmission relay | |
| M. | Trailer hitch bridge | |
| N | Free (backup relay) | |
| O | Fan stage 2 relay | |
| P. | Headlight cleaning system relay | |
| Q | Rear window defroster relay | |
| R | Heated seat bridge | |
| S. | Dipped beam relay | |
| T. | High beam headlamp relay | |
| U | Throttle relay (only with engine 134.910, 135.930 / 950) |
