Smart Fortwo (W450; 2002-2007) fuses and relays

 

In this article, we consider the first-generation Smart Fortwo (W450) after a facelift, produced from 2002 to 2007. Here you will find fuse box diagrams of Smart Fortwo 2002, 2003, 2004, 2005, 2006 and 2007, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Smart Fortwo 2002-2007

Contents


Cigar lighter (power outlet) fuse in the Smart Fortwo is the fuse #21 in the Instrument panel fuse box.


Fuse box location

The fuse box is located under the instrument panel (on the left side).The location of the fuses in the passenger compartment: Smart Fortwo (2002-2007)

Fuse box diagram

Interior fuse box diagram: Smart Fortwo (2002, 2003, 2004, 2005, 2006, 2007)

 

Assignment of the fuses and relays in the Instrument Panel

Description Amp
1 Starter 25
2 Windshield wiper, washer pump 20
3 Heater blower
Heated seats, only with heated seats
20
4 Left/right power window 30
5 Low beam, high beam, front fog lamp, taillamp, backup lamp 7.5
6 Right standing lamp/taillamp, license plate illumination
Right side-marker lamp, only for Canada
7.5
7 Left standing lamp/taillamp, parking lamp
Left side-marker lamp, only for Canada
7.5
8 Engine main relay, circuit 87/3 20
9 Engine main relay, circuit 87/2 10
10 Engine main relay, circuit 87/1 15
11 Instrument cluster, safety console, data link connector Horn, only with leather sport steering wheel with steering wheel rocker switch system 7.5
12 Radio CD, interior lamp 15
13 Front fog lamp 15
14 ESP control unit 25
15 Charge air fan motor
Air conditioning compressor, only with air conditioning system Plus
15
16 Electric fuel pump 10
17 Rear window wiper (fortwo coupe) 15
18 ESP control unit, restraint systems control unit 7.5
19 Outside mirror adjustment, only with electrically adjustable and heated outside mirrors 7.5
20 Radio, instrument cluster, tachometer, data link connector, backup lamp CD changer 15
21 Interior socket
Cigarette lighter, only with smoking set
15
22 Right low beam 7.5
23 Left low beam 7.5
24 Right high beam 7.5
25 Left high beam, high beam indicator lamp 7.5
26 Stop lamps 15
27 MEG engine electronics control unit, EDG engine control unit 7.5
28 Rear window heater (fortwo coupe), cooling fan motor 30
29 Soft top (fortwo cabrio)
Electric glass sliding roof (as of model year 2005)
30
30 Electronic selector lever module control unit 40
31 Horn, central locking, remote trunk lid release 30
32 Secondary air injection pump (emission control) 30
33 Ignition switch 50
34 ESP control unit (N47-5) 50
35 Steering assist control unit (N68) 30
R1 Electric glass sliding roof (up to model year 2004) 15
R2 Multifunction control unit, only for Canada 5
R3 Not Used
R4 Not Used
R5 Multifunction control unit, only for Canada 15
R6 Not Used
R7 Not Used
R8 Soft top (fortwo cabrio) 25
R9 Heated seats 25
Relays
A Fog lamp relay
B Left heated seat control unit
C Right heated seat control unit

Relays inside the fuse box

To open the fuse box, remove the three Torx10 screws and unclip all the plastic clips around the outside.Relays inside the fuse box (location): Smart Fortwo (2002-2007)

Relays inside the fuse box: Smart Fortwo (2002, 2003, 2004, 2005, 2006, 2007)

Relays inside the fuse box

Fuses Sends Power To…
1 8, 9, 10 Evap purge valve Z36 & Z35
2 Front wiper motor
3 Rear wiper motor
4 32 Secondary air injection pump
5 1 Starter motor
6 Z24
7 Rear window and side mirror heater
8 Soft top motor(s)
9 24, 25 High beam headlights
10 22, 23 Low beam headlights
11 5, 11, 12, 13, 14, 15, 16 ECU, light switch, speedo, dash buttons, OBD, CD, interior light, fog lights, ESP controller, AC, charge/intercooler, fuel pump
12 6, 7 Fuel pump, parking lights, boot release, rear lights
13 3, 4 Heater fan, heated seats, power windows
14 31 Central locking
15 Horn
16 Boot release


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