Smart Forfour (W454; 2004-2006) fuses and relays

 

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.


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 Forfour (2004, 2005, 2006)

Fuse box diagram

Interior fuse box diagram: Smart Forfour (2004, 2005, 2006)

 

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)


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