Smart Fortwo A453, C453, W453 (2014-2018) – fuse box diagram
Year of manufacture: 2014, 2015, 2016, 2017, 2018.
Lighter fuse (electrical outlet) in Smart Fortwo A453, C453, W453 (2014-2018). Is fuse 12 in the fuse box.
Fuse and relay module inside the vehicle
| No. | Description | [A] |
| 1 | Rear roof rack electrical connection | 20 |
| 2 | Reservation | – |
| 3 | Reservation | – |
| 4 | Reservation | – |
| 5 | SAM control unit on driver’s side | 25 |
| 6 | SAM control unit on driver’s side | 25 |
| 7 | SAM control unit on driver’s side | 25 |
| 8 | SAM central control unit Radio Radio through connector sleeve to terminal 15 R. |
15 |
| 9 | Reservation | – |
| 10 | Horn | 15 |
| 11 | Battery sensor and SAM control unit on driver’s side | 5 |
| 12 | Front cigarette lighter with ashtray lighting | 15 |
| 13 | Reservation | – |
| 14 | Automatic transmission protected by connector sleeve for circuit 30 Diagnostic connector Applies to an electric vehicle : Fused Circuit 30Connector Diagnosis |
20 |
| 15 | Supply of bushing for connector 30 with fuse | 15 |
| 16 | Motor electronics protected by connector sleeve for circuit 30 Applies to an electric vehicle : Power supply for coupling sleeve with breaker 30 |
5 |
| 17 | Power supply protection by connecting sleeve for circuit 30 | 15 |
| 18 | Brake Light Switch | 10 |
| 19 | Outer mirror adjustment switch | 5 |
| 20 | Transponder Coil Electronic stability program control unit and brake light switch Secured by a connecting sleeve for circuit 30 |
3 |
| 21 | Light functions protected by connecting sleeve for circuit 30 | 10 |
| 22 | Angle sensor Steering wheel angle sensor Dual-clutch transmission |
5 |
| 23 | Reservation | – |
| 24 | SAM central control unit | 15 |
| 25 | SAM central control unit | 10 |
| 26 | SAM central control unit | 15 |
| 27 | SAM central control unit | 20 |
| 28 | SAM control unit on driver’s side | 10 |
| 29 | SAM control unit on driver’s side | 10 |
| 30 | Combination Switch Alarm siren Power supply for fuse circuit 30 Connection sleeve (for electric vehicles) |
15 |
| 31 | Instrument grouping and additional instruments | 10 |
| 32 | Reservation | – |
| 33 | Control unit for the additional restraint system | 5 |
| 34 | Combination Switch | 5 |
| 35 | Electric power steering control unit | 5 |
| 36 | SAM central control unit | 5 |
| 37 | SAM control unit on driver’s side | 30 |
| 38 | Air conditioning supply solenoid switch | 40 |
| 39 | Start via start relay | 30 |
| Applies to electric vehicles : blower motor | 40 | |
| 1/1 | Applies to an electric vehicle : Supply of bushing for connector 30 of an electric vehicle | 10 |
| 1/2 | Applies to electric vehicles : Brake booster vacuum pump control unit. Unit power electronics control unit |
– |
| 1/3 | Reservation | – |
| 1/4 | Sound system amplifier control unit | 20 |
| 1/5 | Dual-clutch transmission control unit Applies to electric vehicles : Electric drive control unit |
5 |
| 1/6 | Left windshield motor and right windshield motor | 25 |
| 1/7 | Electrically adjustable and heated left outside mirror and electrically adjustable and heated right outside mirror | 5 |
| 1/8 | Applies to electric vehicles : Heating controller front passenger seat. Driver’s seat heating control unit |
25 |
| 1/9 | Reservation | – |
| 1/10 | Applies to electric vehicles : Steering wheel heating relay | – |
| 2/1 | Soft-top unit delivery | 20 |
| 2/2 | Supplying soft-top drive | 20 |
| 2/3 | Reservation | – |
| 2/4 | Reservation | – |
| Courier | ||
| K1 | Heated rear window / outside rear view mirrors | |
| K2 | Windshield Relay | |
| K3 | Relay with sliding roof | |
| K4 | Headlight Relay | |
| K5 | Startup Relay | |
| K6 | Horn relay | |
| K. | Applies to electric vehicles : Steering wheel heating relay | |
Internal combustion engine fuse and relay module (F1)
| No. | Description | [A] |
| 1 | Internal combustion engine relay module Applies to electric vehicles: Reserve |
Diode |
| 2 | Valid in the USA: vacuum pump relay supply | Diode |
| Applies to electric vehicles:
Transmission mode recognition sensor |
15 | |
| 3 | Fuel pump with level sensor and temperature sensor | 20 |
| Applies to electric vehicles: Vehicle drive electric motor fan relay | 40 | |
| 4 | Supply of bushing for connector 30 with fuse | 25 |
| Applies to electric vehicles: battery cooling system cooling pump relay | 30 | |
| 5 | Supply of connecting sleeves for circuit 87 | 15 |
| Applies to electric vehicles: battery system coolant pump | 15 | |
| 6 | Refrigerant compressor relay | 15 |
| Applies to electric vehicles:
Battery management system control unit |
5 | |
| 7 | Fan Fan Trap |
10 |
| Applies to an electric vehicle: Power electronics control unit power connector bushing supply | 20 | |
| 8 | Dual Clutch Transmission Control Unit | 10 |
| Valid for electric vehicle: bushing for 87″ circuit power connector | 15 | |
| Relay |
||
| K1 | Motor function circuit 87 Relay |
|
| K2 | Fan courier | |
| K3 | Ignition coils / fuel pump start relay | |
| K4 | Applies to electric vehicles: battery cooling system cooling pump relay | |
Battery terminal fuse (F108)
| No. | Description | [A] |
| F1 | Electric fuse 3A (F108f3A) and electric fuse 3B (F108f3B) Ref. electric vehicle: Fuse and power relay module (F1) |
200 |
| F2A | Internal fuse and power supply for relay module (F2) Protected by connector sleeve for circuit 30 Coupling sleeve for circuit 30 |
70 |
| F2B | Electric power steering control unit | 60 |
| F3A | Internal fuse and power supply for relay module (F2) Ignition switch Secured by a connecting sleeve for circuit 30 Coupling sleeve for circuit 30 |
70 |
| F3B | Electronic Stability Program Control Unit | 50 |
Power fuse and relay module
| No. | Description | [A] |
| 1 | Heated rear window above relay heated rear view mirrors/outside mirrors | 30 |
| 2 | Controller for front passenger seat heater Controller for driver’s seat heater Applies to an electric vehicle: Brake booster vacuum pump controller |
30 |
| 3 | Power supply for the Electronic Stability Program control unit | 25 |
| 4 | Applies to electric vehicles: spare electric fuse 1 and electric fuse 2 |
40 |
| Relay with sliding roof | 25 | |
| 5 | Power supply for the fuse and relay module of the combustion engine | 60 |
| 6 | Dual-clutch transmission control unit Protected by a coupling sleeve for circuit 30 |
50 |
| Applies to electric vehicles: Internal power supply of the vehicle fuse and relay module | 40 | |
| 7 | Engine Fan relay |
30 |
| Fan Solenoid Switch Combustion engine cooling ICE |
30 | |
| 8 | Reservation | – |
| 9 | Valid in the USA: Secondary air injection pump Applies to electric vehicles: High voltage battery heater |
60 |
| Relay |
||
| K1 | Fan courier | |
