Smart Fortwo 451 (2007-2015) – fuse box diagram
Year of manufacture: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015.
Cigarette lighter fuse (electrical outlet) in the Smart Fortwo 451 (2007-2015). Is fuse 21 in the fuse box in the instrument panel.
Instrument Panel
The fuse box is located on the driver’s side under the instrument panel.
Front
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
No. |
Description |
Amps [A] |
1 | Engine 132.9, 660.9:
Starter; Engine 780.009: Brake booster vacuum pump. |
25 |
2 | Wiper Motor | 25 |
3 | Control unit for electric window comfort function | 20 |
4 | Fan motor | 25 |
5 | Front left light Front fog light Front fog light right |
10 |
6 | Right rear light;
Right parking light; Left license plate light; Right license plate lamp. |
7.5 |
7 | Left taillight;
Left parking light. |
7.5 |
8 | Engine 132.9:
Secondary air injection pump;Me-SFI relay [ME]; Electronic switch lever control module; Manual automatic transmission control unit; Ignition coil Cylinder 1; Ignition coil cylinder 2; Cylinder 3 ignition coil; engine 660.9: CDI control unit; Electronic switch control unit lever unit; Automated hand control unit Transmission; Engine 780.009: High voltage battery heater/ |
25 |
9 | Engine 132.9:
O2 sensor after CAT sensor; O2 upstream of CAT; Adjustable camshaft synchronization solenoid; External air shutoff valve; Activated carbon tank shutoff valve ; EGR diverter valve (with 132.910 engine); Tank breather valve; Pressure regulating valve (for 132.930 engine); Engine 780.009: Electric and high voltage drive charger fan motor; Engine 660.9: CDI control unit. |
7.5 |
10 | Engine 132.9:
O2 sensor before CAT; Secondary air injection pump switching valve; Cylinder 1 Fuel injection valve; Cylinder 2 Fuel injection valve; Cylinder 3 Fuel injection valve; Engine 780.009: Electric drive and coolant pump High voltage supercharger; Cooling pump for the battery cooling system; Engine 660.9: Hot sheet mass airflow sensor; O2 sensor in front of CAT CDI control unit; EGR lumen output phase shifter valve. |
15 |
11 | ESP Control Unit | 25 |
12 | Instrument cluster, Additional instruments;
Microwave sensor; Rain sensor/light sensor; Alarm siren with tilt sensor; Indicator lights on the left, Brake light relay; Right indicator lights, Brake light relay; Mirror heater relay; Controller for automatic manual Gearbox TPM [RDK]; Combination controller; Cockpit switch; Data link connector; Initiator-alternator controller; Remote Control Receiver STH radio receiver (engine 780.009); Rear fog light relay. |
10 |
13 | Backup fuse | 15 |
14 | Refrigerant Compressor
Charging the air blower motor |
15 |
15 | Smart Radio 9;
Smart Radio 10; Front interior lamp; Soft Roof Relay; OUTW relay. |
15 |
16 | Engine 132.9:
Fuel pump with indicator sensor ME-SFI fuel level [ME]; Engine 660.9: Fuel pump with fuel level indicator sensor; CDI control unit; Engine 780.009: Blower motor relay 1. |
15 |
17 | Rear door wiper motor | 15 |
18 | Yaw sensor instrument assembly for
Lateral and longitudinal acceleration; Seat occupancy sensor; Automatic cushion deactivation unit Airbag (child seat); ESP; Power steering control unit; Seat belts. |
10 |
19 | Engine 132.9:
ME-SFI [ME] Control unit; Automated manual unit controlling the gearbox; Data link connector; TPM control unit [RDK]; Starter and alternator control unit; Engine 780.009: Data link connector; Engine 660.9: CDI control unit; Automated manual unit controlling the gearbox; Data link connector. |
7,5 |
20 | Smart Radio 9;
Smart Radio 10; Heater/air conditioner controller; Front seat heater controller (SIH); Right windshield wiper switch; Outer mirror adjustment switch; Electrically adjustable and heated exterior mirrors. |
10 |
21 | Internal Socket |
15 |
22 | Dip beam on the left | 7.5 |
23 | Dip beam on the right | 7.5 |
24 | Engine 132.9:
Electronic module control unit Gear shift lever; Motor 132.9, 660.9, 780.009: Rear fog light relay; Stop light switch. |
15 |
25 | Traffic Light Right | 7.5 |
26 | Traffic Light Left | 7.5 |
27 | Engine 132.9:
ME-SFI control unit [ME]. |
7.5 |
28 | Heated rear window | 40 |
29 | Soft roof relay OPEN;
Soft roof relay CLOSED. |
30 |
30 | Engine 132.9, 660.9:
Automatic manual transmission control unit; Engine 780.009: High voltage battery and motor internal fan. |
40 |
31 | Horn;
CL right door engine; Left front door Centralized locking; Rear door CL motor [ZV]; CL engine fuel filler cap [ZV]; Horn switch. |
20 |
R1 | Engine 132.9, 660.9:
Mirror heater relay. |
7.5 |
R2 | Engine 132.9:
Stop light switch. |
7.5 |
R3 | Empty | – |
R4 | Engine 780.009:
Mirror heater relay. |
7,5- |
R5 | Engine 780.009:
High voltage charger control unit; External control unit for socket communication. |
7.5 |
R6 | Engine 780.009:
Electric vehicle control unit EVCM |
15 |
Engine 132.9, 660.9:
Reverse light relay; Brake light relay. |
10 | |
R7 | From 2.9.10; engine 132.9:
Front interior lamp; Engine 660.9: Front interior lamp. |
– |
Engine 780.009:
Electric motor control unit EDCM |
10 | |
R8 | From 2.9.10; Engine 132.9:
Sound system amplifier; Engine 660.9: Sound system amplifier. |
20 |
Engine 780.009:
High voltage distributor control unit PDU |
7.5 | |
R9 | Engine 132.9, 660.9:
Heater control unit Front seat heater (SIH) |
25 |
Engine 780.009:
Brake booster vacuum pump controller. |
25 |
Reverse
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_838_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_838_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_838_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
No. |
Description |
Amps [A] |
32 | Empty | – |
33 | Ignition/starter switch | 50 |
34 | ESP Control Unit | 40 |
35 | Power steering control unit | 30 |
Relay
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_578_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_578_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_578_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
No. |
Relay |
A | Left turn signal / stop light relay
Battery heating relay High voltage (ECE vehicles only). |
B | Right turn signal/stop light relay;
Radiator fan motor relay (ECE vehicles only); Fuel pump relay. |
C | Mirror heater relay;
Rear fog light relay. |
K57 | Heater lifting relay
high voltage battery. |
K59 | Radiator Fan Motor Relay |
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_568_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_568_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_568_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
No. |
Courier |
K61 | Fan motor relay 1 |
K62 | Fan motor relay 2 |
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_515_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_515_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
![](https://fuse-box-diagrams.com/wp-content/uploads/2023/01/1674453485_515_Smart-Fortwo-451-2007-2015-Fuse-box.jpg)
No. |
Description |
Amps [A] |
F36 | Engine 132.9:
Secondary air injection pump |
50 |
F58 | Engine 780.009:
Electric motor control unit EDCM |
60 |
Engine 132.9:
Alternator starter |
200 | |
F91 | SAM control unit | 100 |