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In this article, we consider the fourth-generation Mazda 3 (BP), available from 2019 to the present. Here you will find fuse box diagrams of Mazda3 2019, 2020, 2021, 2022, 2023, and 2024, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).
See other Mazda 3:
Fuse Layout Mazda3 2019-2024
Cigar lighter (power outlet) fuses: F15 and F30 in the engine compartment fuse box.
Table of Contents
Fuse box in the passenger compartment
Fuse box in the passenger compartment
Fuse box location
It is located on the left side of the vehicle, behind the cover.
Fuse box diagram
| № | Amp Rating | Description |
|---|---|---|
| F1 | — | Not Used |
| F2 | — | Not Used |
| F3 | — | Not Used |
| F4 | 15 A | Power door locks (Driver) |
| F5 | 15 A | Power door locks (Passenger) |
| F6 | — | Not Used |
| F7 | — | Not Used |
| F8 | — | Not Used |
| F9 | 30 A | Power windows (Driver) |
| F10 | 30 A | Power windows (Passenger) |
| F11 | 30 A | Power seat (Driver) (Some models) |
| F12 | — | Not Used |
| F13 | 15 A | Audio |
| F14 | — | Not Used |
| F15 | 15 A | Back door lock |
| F16 | 15 A | Illumination |
| F17 | 10 A | Brake lights |
| F18 | 10 A | Back/Reverse lights |
| F19 | 10 A | Rear turn signal lights |
| F20 | 10 A | Taillights |
| F21 | 10 A | Taillights |
| F22 | 7.5 A | 2019-2020: Electric steering lock (Some models) 2021-2024: Air bag |
| F23 | — | Not Used |
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Fuse box in engine compartment
Fuse box in engine compartment
Fuse box location
Fuse box diagram
| № | Amp Rating | 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 A | Air conditioner |
| F12 | 15 A | Engine control system |
| F13 | 15 A | Not Used |
| F14 | 20 A | Front seat warmer (Some models) |
| F15 | 20 A | Not Used |
| F16 | 15 A | For protection of various circuits |
| F17 | — | Not Used |
| F18 | 15 A | 2019-2020: Accessory sockets 2021-2023: For protection of various circuits 2024: Not Used |
| F19 | 60 A | Power steering system |
| F20 | 15 A | Headlight (LH) 1 |
| F21 | 15 A | Headlight (RH) 1 |
| F22 | 15 A | 2019-2020: For protection of various circuits 2021-2024: Keyless system |
| F23 | 30 A | ABS, Dynamic stability control system |
| F24 | 15 A | Headlight (LH) 2 |
| F25 | 15 A | Headlight (RH) 2 |
| F26 | 7.5 A | On board diagnostics |
| F27 | 25 A | For protection of various circuits |
| F28 | 25 A | For protection of various circuits |
| F29 | 15 A | Windscreen washer |
| F30 | 15 A | Accessory sockets |
| F31 | 15 A | Horn |
| F32 | — | Not Used |
| F33 | — | Not Used |
| F34 | 10 A | 2019-2023: Not Used 2024: i-ACTIVSENSE |
| F35 | 50 A | ABS, Dynamic stability control system |
| F36 | — | Not Used |
| F37 | 40 A | Rear window defogger |
| F38 | 50 A | For protection of various circuits |
| F39 | — | Not Used |
| F40 | 40 A | Air conditioner |
| F41 | — | Not Used |
| F42 | 20 A | Windshield wipers |
| F43 | 30 A | Cooling fan |
| F44 | 30 A | 2019-2020: For protection of various circuits 2021-2024: Starter |
| F45 | 10 A | Engine control system |
| F46 | 15 A | Audio |
| F47 | 15 A | For protection of various circuits |
| F48 | 7.5 A | Air bag |
| F49 | 15 A | Instrument cluster |
| F50 | 15 A | Room lamp |
| F51 | 25 A | Audio system |
| F52 | 10 A | Moonroof (Some models) |
| F53 | 15 A | Engine control system |
| F54 | 15 A | i-ACTIVSENSE |
| F55 | 50 A | Not Used |
| F56 | 50 A 15 A | Not Used 2021-2024: Electric water pump |
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