Smart Forfour A453, C453, W453 (2014-2018) – fuse box diagram
Year of production: 2014, 2015, 2016, 2017, 2018.
Lighter fuse (electrical outlet) in Smart Forfour 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 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 sleeve through connector 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 electric vehicles : 30 Bushing Fused Circuit Connectors Diagnostic connector |
20 |
| 15 | Power supply for connector sleeve 30 with fuse | 15 |
| 16 | Motor electronics protected by connector sleeve for circuit 30 Applies to an electric vehicle Power supply for connector bushing with 30 circuit fuse |
5 |
| 17 | Power supply protected by connection 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 Protected by a connecting sleeve for circuit 30 |
3 |
| 21 | Light functions protected by connecting sleeve for circuit 30 | 10 |
| 22 | Angle sensor Steering wheel twist control Dual-clutch transmission controller |
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 Fuse circuit supply 30 Connector sleeve (applicable to electric vehicles) |
15 |
| 31 | Instrument grouping and additional instruments | 10 |
| 32 | Reservation | – |
| 33 | Control unit for 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 power solenoid switch | 40 |
| 39 | Starter via start relay |
30 |
| Applies to electric vehicles : blower motor | 40 | |
| 1/1 | Applies to an electric vehicle : Power supply of the connector sleeve 30 of an electric vehicle | 10 |
| 1/2 | Applies to electric vehicles : Brake booster vacuum pump control unit. Control 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 controller |
25 |
| 1/9 | Reservation | – |
| 1/10 | Applies to electric vehicles : Steering wheel heating relay | – |
| 2/1 | Delivery by hood | 20 |
| 2/2 | Soft-top unit delivery | 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 | Fanfare horn relay relays | |
| 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: Reservation |
Diode |
| 2 | Valid in the USA: vacuum pump relay supply | Diode |
| Applies to electric vehicles: Transmission mode recognition sensor Electric drive control unit |
15 | |
| 3 | Fuel pump with level sensor and temperature sensor | 20 |
| Applies to electric vehicles: Electric motor fan relay. | 40 | |
| 4 | Power supply for connector sleeve 30 with fuse | 25 |
| Applies to electric vehicles: battery cooling system cooling pump relay | 30 | |
| 5 | Supply of connection 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. electric drive control |
5 | |
| 7 | Fan Through fan relay |
10 |
| Applies to an electric vehicle: Power electronics control unit power connector sleeve supply | 20 | |
| 8 | Dual Clutch Transmission Control Unit | 10 |
| Valid for electric vehicle: 87″ circuit power connector bushing | 15 | |
| Relay |
||
| K1 | Motor function circuit 87 Relay |
|
| K2 | Fan courier | |
| K3 | Ignition coils / fuel pump starter 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)
Refers to electric vehicle: |
200 |
| F2A | Internal fuse and power supply for relay module (F2) Protected by connector sleeve for circuit 30 Connector sleeve for circuit 30 |
70 |
| F2B | Electric power steering control unit | 60 |
| F3A | Internal fuse and power supply for relay module (F2) Ignition switch Fixed by connector sleeve for circuit 30 Connector sleeve for circuit 30 |
70 |
| F3B | Electronic stability program control unit | 50 |
Power fuse and relay module
| No. | Description | [A] |
| 1 | Heated rear window over relay heated rear window / outside rear view mirrors | 30 |
| 2 |
Front passenger seat heating controller Driver seat heating controller 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 internal combustion engine | 60 |
| 6 | Dual-clutch transmission control unit Protected by a connecting sleeve for circuit 30 |
50 |
| Applies to electric vehicles: Internal vehicle fuse and relay module power supply | 40 | |
| 7 | Engine fan
Fan courier |
30 |
| Fan solenoid switch Internal Combustion Engine Cooling ICE |
30 | |
| 8 | Reservation | – |
| 9 | Valid in the USA: Secondary air injection pump Applies to electric vehicles: High voltage battery heater Superheater Relay for High Voltage Battery |
60 |
| Relay |
||
| K1 | Fan courier |
|
