Hi-ya!,good afternoon. In this post you will discover a description of fuses and relays Mazda 3 (2019-2020 …) – fuse box
Include with pictures of box diagrams along with their locations. Highlighted the cigarette lighter fuse (as the most famous thing people look for).
Get tips on Program fuses, replacing a fuse, and more.
Mazda 3 (2019-2020 …) – diagram of the fuse box
Year of production: 2019, 2020.
Fuses cigarette lighter (power socket): F15 and F30 in the engine compartment fuse box.
Fuse box in passenger compartment
Location of the fuse box
It is located on the left side of the vehicle, behind the cover.
The scheme of the fuse box
Assignment of fuses in the passenger compartment (2019, 2020)
| No | Amp [A] | Description |
|---|---|---|
| F1 | – | Not used |
| F2 | – | Not used |
| F3 | – | Not used |
| F4 | 15 A. | Electric door locks (driver) |
| F5 | 15 A. | Electric door locks (passenger) |
| F6 | – | Not used |
| F7 | – | Not used |
| F8 | – | Not used |
| F9 | 30 A. | Electrically operated windows (controller) |
| F10 | 30 A. | Electric windows (passenger) |
| F11 | 30 A. | Electric seat (driver) (some models) |
| F12 | – | Not used |
| F13 | 15 A. | Audio |
| F14 | – | Not used |
| F15 | 15 A. | Rear door lock |
| F 16 | 15 A. | Lighting |
| F17 | 10 A. | Stop lights |
| F18 | 10 A. | Rear lights |
| F19 | 10 A. | Rear turn signals |
| F20 | 10 A. | Rear lights |
| F21 | 10 A. | Rear lights |
| F22 | 7.5 amps | Electric steering lock (some models) |
| F23 | – | Not used |
Fuse box in the engine compartment
Location of the fuse box
The scheme of the fuse box
Engine compartment fuse allocation (2019, 2020)
| No | Amp [A] | Description |
|---|---|---|
| F1 | – | Not used |
| F2 | 20 A. | Windshield Wiper De-icer (Some models) |
| F3 | 30 A. | Engine control system |
| F3 | 20 A. | Not used |
| F4 | 20 A. | S-VT |
| F5 | 40 A. | Engine control system |
| F6 | 20 A. | Not used |
| F7 | 15 A. | Not used |
| F7 | 20 A. | Fuel pump |
| F8 | 15 A. | Engine control system |
| F9 | 15 A. | Transmission control system (some models) |
| F10 | 15 A. | Engine control system |
| F11 | 7.5 amps | Air conditioner |
| F12 | 15 A. | Engine control system |
| F13 | 15 A. | Not used |
| F14 | 20 A. | Front seat heater (some models) |
| F15 | 20 A. | Not used |
| F 16 | 15 A. | To protect various circuits |
| F17 | – | Not used |
| F18 | 15 A. | Accessory sockets |
| F19 | 60 A. | Power steering system |
| F20 | 15 A. | Headlight (left) 1 |
| F21 | 15 A. | Headlight (right) 1 |
| F22 | 15 A. | To protect various circuits |
| F23 | 30 A. | ABS; Dynamic Stability Control System (EPS). |
| F24 | 15 A. | Headlight (left) 2 |
| F25 | 15 A. | Headlight (right) 2 |
| F26 | 7.5 amps | On-Board Diagnostics |
| F27 | 25 A. | To protect various circuits |
| F28 | 25 A. | To protect various circuits |
| F29 | 15 A. | Car windshield wipers |
| F30 | 15 A. | Accessory sockets |
| F31 | 15 A. | Horn |
| F32 | – | Not used |
| F33 | – | Not used |
| F34 | – | Not used |
| F35 | 50A | ABS;
Dynamic stability control system. |
| F36 | – | Not used |
| F37 | 40 A. | Rear window defogger |
| F38 | 50 A. | To protect various circuits |
| F39 | – | Not used |
| F40 | 40 A. | Air conditioner |
| F41 | – | Not used |
| F42 | 20 A. | Wipers |
| F43 | 30 A. | Cooling fan |
| F44 | 30 A. | To protect various circuits |
| F45 | 10 A. | Engine control system |
| F46 | 15 A. | Audio |
| F47 | 15 A. | To protect various circuits |
| F48 | 7.5 amps | Airbag |
| F49 | 15 A. | Instrument cluster |
| F50 | 15 A. | Room lamp |
| F51 | 25 A. | Public address system |
| F52 | 10 A. | Sunroof (some models) |
| F53 | 15 A. | Engine control system |
| F54 | 15 A. | i-ACTIVSENSE |
| F55 | 50 A. | Not used |
| F56 | 50 A. | Not used |
