1st generation was produced in 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015. During this time, the model was updated. In our material, we will present a description of the fuses and relays of the bad f3 with block diagrams, photo examples and designs and locations. We will highlight the fuse responsible for the cigarette lighter.

Blocks in the cabin
Fuse and relay box
On the left side, at the bottom of the instrument panel, there is a block with fuses and relays.


Check the assignment with your diagrams on the block covers.


| No. | A | Description |
|---|---|---|
| 1 | — | |
| 2 | (10A) | on-board computer |
| 3 | (10A) | instrument cluster |
| 4 | (25A) | adjusting the position of the chair |
| 5 | — | |
| 6 | — | |
| 7 | (7.5A) | on-board diagnostics system |
| 8 | (20A) | windshield wipers |
| 9 | (15A) | headlights low beam |
| 10 | (15A) | stop signal |
| 11 | (25A) | doors |
| 12 | (30A) | window lifters 2 |
| 13 | (30A) | ignition power supply 1# |
| 14 | (15A) | front fog lights |
| 15 | (10A) | rear fog lights |
| 16 | (7.5A) | starter |
| 17 | (10A) | air conditioner |
| 18 | (15A) | ignition 2# |
| 19 | (10A) | glass heater |
| 20 | (5A) | headlight controller |
| 21 | (15A) | cigarette lighter |
| 22 | (40A) | heater |
| 23 | (30A) | rear window heating |
| 24 | (30A) | window lifter 1# |
Fuse number 21 for 15A is responsible for the operation of the cigarette lighter.
On the back side of the block there are some relay elements.


| No. | Designation |
|---|---|
| 1 | Fuel pump |
| 2 | Power Window Relay |
| 3 | Reserved |
| 4 | Rear Window Defogger Relay |
| 5 | Ignition relay |
| 6 | Direction indicator relay |
Relay block
This relay block is located in the instrument panel, on the passenger side.

| No. | Purpose |
|---|---|
| 1 | Parking light relay |
| 2 | Starter relay |
| 3 | Front Fog Light Relay |
| 4 | Heater Fan Relay |
Block under the hood
Under the hood in the engine compartment, the main block with fuses and relays is located on the left side and is covered with a protective cover.



| No. | A | Purpose |
|---|---|---|
| 1 | Air Conditioning Clutch Relay | |
| 2 | Headlight relay | |
| 3 | (10A) | Spare |
| 4 | (15A) | Spare |
| 5 | (20A) | Spare |
| 6 | (25A) | Spare |
| 7 | Fan relay 3 | |
| 8 | — | |
| 9 | Horn relay | |
| 10 | Fan relay 2 | |
| 11 | — | |
| 12 | Fan relay 1 | |
| 13 | — | |
| 14 | (30A) | Fan |
| 15 | — | |
| 16 | (60A) | Anti-lock braking system ABS |
| 17 | (30A) | Spare |
| 18 | (7.5A) | Spare |
| 19 | Tweezers | |
| 20 | (10A) | Left high beam headlight |
| 21 | (10A) | Right high beam headlight |
| 22 | (10A) | Right low beam headlight |
| 23 | (10A) | Left low beam headlight |
| 24 | — | |
| 25 | — | |
| 26 | (40A) | Headlights |
| 27 | — | |
| 28 | (15A) | Engine management system |
| 29 | (15A) | Interior lighting |
| 30 | (30A) | Ignition Power Supply 2 |
| 31 | — | |
| 32 | (10A) | Sound signal |
| 33 | (10A) | Emergency Signal |
| 34 | — | |
| 35 | — | |
| 36 | (100A) | Main power supply fuse |
| 37 | — | |
| 38 | Engine Management System Main Relay |