Jonathan Yarden Mar 25, 2021 · 5 min. read
In this article you will find a description of fuses and relays Smart,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2014, 2015, 2016, 2017, 2018
Vehicle interior fuse and relay module
| No. | Fused function | A |
| 1 | Rear roof rack electrical connection | 20 |
| 2 | Spare | — |
| 3 | Spare | — |
| 4 | Spare | — |
| 5 | Driver-side SAM control unit | 25 |
| 6 | Driver-side SAM control unit | 25 |
| 7 | Driver-side SAM control unit | 25 |
| 8 | Center SAM control unit Radio Radio over connector sleeve for terminal 15 R |
15 |
| 9 | Spare | — |
| 10 | Horn | 15 |
| 11 | Battery sensor and driver-side SAM control unit | 5 |
| 12 | Front cigarette lighter with ashtray illumination | 15 |
| 13 | Spare | — |
| 14 | Automatic transmission protected through connector sleeve for circuit 30 Diagnostic connector Valid for electric vehicle: Fused circuit 30 connector sleeve Diagnostic connector |
20 |
| 15 | Supply for fused circuit 30 connector sleeve | 15 |
| 16 | Motor electronics protected through connector sleeve for circuit 30 Valid for electric vehicle: Supply for fused circuit 30 connector sleeve |
5 |
| 17 | Supply protected through connector sleeve for circuit 30 | 15 |
| 18 | Brake lights switch | 10 |
| 19 | Outside mirror adjustment switch | 5 |
| 20 | Transponder coil Electronic Stability Program control unit and brake light switch Protected through connector sleeve for circuit 30 |
3 |
| 21 | Light functions protected through connector sleeve for circuit 30 | 10 |
| 22 | Steering wheel angle sensor Dual-clutch transmission control unit |
5 |
| 23 | Spare | — |
| 24 | Center SAM control unit | 15 |
| 25 | Center SAM control unit | 10 |
| 26 | Center SAM control unit | 15 |
| 27 | Center SAM control unit | 20 |
| 28 | Driver-side SAM control unit | 10 |
| 29 | Driver-side SAM control unit | 10 |
| 30 | Combination switch Alarm siren Supply for fused circuit 30 connector sleeve (valid for electric vehicle) |
15 |
| 31 | Instrument cluster and additional instruments | 10 |
| 32 | Spare | — |
| 33 | Supplemental Restraint System control unit | 5 |
| 34 | Combination switch | 5 |
| 35 | Electrical power steering control unit | 5 |
| 36 | Center SAM control unit | 5 |
| 37 | Driver-side SAM control unit | 30 |
| 38 | Air conditioning power supply solenoid switch | 40 |
| 39 | Starter Through starter relay |
30 |
| Valid for electric vehicle: Blower motor | 40 | |
| 1/1 | Valid for electric vehicle: Electric vehicle circuit 30 connector sleeve supply | 10 |
| 1/2 | Valid for electric vehicle: Brake booster vacuum pump control unit Power electronics control unit |
— |
| 1/3 | Spare | — |
| 1/4 | Sound system amplifier control unit | 20 |
| 1/5 | Dual clutch transmission control unit Valid for electric vehicle: Electric drive control unit |
5 |
| 1/6 | Left front power window motor and right front power window motor | 25 |
| 1/7 | Left electrically adjustable and heated outside mirror and right electrically adjustable and heated outside mirror | 5 |
| 1/8 | Valid for electric vehicle: Front passenger seat heater control unit Driver seat heater control unit |
25 |
| 1/9 | Spare | — |
| 1/10 | Valid for electric vehicle: Steering wheel heater relay | — |
| 2/1 | Supply for soft top control drive unit | 20 |
| 2/2 | Supply for soft top control drive unit | 20 |
| 2/3 | Spare | — |
| 2/4 | Spare | — |
| Relay | ||
| K1 | Heated rear window/outside mirrors relay | |
| K2 | Front power window relay | |
| K3 | Sliding roof relay | |
| K4 | Front headlamps relay | |
| K5 | Starter relay | |
| K6 | Fanfare horn relay | |
| K | Valid for electric vehicle: Steering wheel heater relay | |
Combustion engine fuse and relay module (F1)
| No. | Fused function | A |
| 1 | Internal combustion engine relay module Valid for electric vehicle: Spare |
Diode |
| 2 | Valid for USA: Supply for vacuum pump relay | Diode |
| Valid for electric vehicle: Transmission mode recognition sensor Electric drive control unit |
15 | |
| 3 | Fuel pump with fill level sensor and temperature sensor | 20 |
| Valid for electric vehicle: Electric vehicle drive motor fan relay | 40 | |
| 4 | Supply for fused circuit 30 connector sleeve | 25 |
| Valid for electric vehicle: Battery cooling system coolant pumps relay | 30 | |
| 5 | Supply for connector sleeves for circuit 87 | 15 |
| Valid for electric vehicle: Battery cooling system coolant pump | 15 | |
| 6 | Refrigerant compressor relay | 15 |
| Valid for electric vehicle: Battery management system control unit Electric drive control unit |
5 | |
| 7 | Fan Through fan relay |
10 |
| Valid for electric vehicle: Power electronics control unit power supply connector sleeve supply | 20 | |
| 8 | Dual clutch transmission control unit | 10 |
| Valid for electric vehicle: Circuit 87 supply connector sleeve | 15 | |
| Relay |
||
| K1 | Engine function circuit 87 relay |
|
| K2 | Fan relay | |
| K3 | Ignition coils/fuel pump actuation relay | |
| K4 | Valid for electric vehicle: Battery cooling system coolant pumps relay | |
Battery clamp fuse (F108)
| No. | Fused function | A |
| F1 | Electrical fuse 3A (F108f3A) and electrical fuse 3B (F108f3B) Valid for electric vehicle: Power supply fuse and relay module (F1) DC/DC converter control unit |
200 |
| F2A | Vehicle interior fuse and relay module supply (F2) Protected through connector sleeve for circuit 30 Connector sleeve for circuit 30 |
70 |
| F2B | Electrical power steering control unit | 60 |
| F3A | Vehicle interior fuse and relay module supply (F2) Ignition lock Protected through connector sleeve for circuit 30 Connector sleeve for circuit 30 |
70 |
| F3B | Electronic Stability Program control unit | 50 |
Power supply fuse and relay module
| No. | Fused function | A |
| 1 | Heated rear window over relay for heated rear window/outside mirrors | 30 |
| 2 | Front passenger seat heater control unit Driver seat heater control unit Valid for electric vehicle: Brake booster vacuum pump control unit |
30 |
| 3 | Supply for Electronic Stability Program control unit | 25 |
| 4 | Valid for electric vehicle: Spare Electrical fuse 1 and electrical fuse 2 |
40 |
| Sliding roof relay | 25 | |
| 5 | Supply for internal combustion engine fuse and relay module | 60 |
| 6 | Dual clutch transmission control unit Protected through connector sleeve for circuit 30 |
50 |
| Valid for electric vehicle: Vehicle interior fuse and relay module supply | 40 | |
| 7 | Fan motor Over fan relay |
30 |
| Fan solenoid switch ICE combustion engine cooling |
30 | |
| 8 | Spare | — |
| 9 | Valid for USA:Secondary air injection pump Valid for electric vehicle: Heater for high-voltage battery Over heater relay for high-voltage battery |
60 |
| Relay |
||
| K1 | Fan relay |
|
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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