Mazda 3 (2019-2020…) – fuse box diagram
Year of manufacture: 2019, 2020.
Fuses Cigarette lighter (power outlet): F15 and F30 in the engine compartment fuse box.
Passenger compartment fuse box
Fuse box location
It is located on the left side of the vehicle, behind the hood.
Fuse box diagram
Passenger compartment fuse assignment (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 (passengers) |
| F6 | – | Not used |
| F7 | – | Not used |
| F8 | – | Not used |
| F9 | 30 A | Electric windows (control unit) |
| F10 | 30 A | Electric windows (passengers) |
| 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 | Stoplights |
| F18 | 10 A | Tail lights |
| F19 | 10 A | Rear turn signals |
| F20 | 10 A | Tail lights |
| F21 | 10 A | Rear lights |
| F22 | 7,5 A | Electric steering wheel lock (some models) |
| F23 | – | Not used |
Fuse box in engine compartment
Location of the fuse box
Fuse Box Diagram
Engine compartment fuse assignment (2019, 2020)
| No. | Amp [A] | Description |
|---|---|---|
| F1 | – | Not used |
| F2 | 20 A | Windshield defroster (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 heater (some models) |
| F15 | 20 A | Not used |
| F 16 | 15 A | For the protection of several circuits |
| F17 | – | Not used |
| F18 | 15 A | Accessory sockets |
| F19 | 60 A | Power steering system |
| F20 | 15 A | Headlight (left) 1 |
| F21 | 15 A | Lighthouse (right) 1 |
| F22 | 15 A | For the protection of several circuits |
| F23 | 30 A | ABS;
Dynamic stability control system (EPS). |
| F24 | 15 A | Headlight (left) 2 |
| F25 | 15 A | Lighthouse (right) 2 |
| F26 | 7,5 A | On-board diagnostics |
| F27 | 25 A | For the protection of several circuits |
| F28 | 25 A | For the protection of several circuits |
| F29 | 15 A | 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 | For the protection of several circuits |
| F39 | – | Not used |
| F40 | 40 A | Air Conditioning |
| F41 | – | Not used |
| F42 | 20 A | Cleaners |
| F43 | 30 A | Cooling Fan |
| F44 | 30 A | For the protection of several circuits |
| F45 | 10 A | Motor control system |
| F46 | 15 A | Audio |
| F47 | 15 A | For the protection of several circuits |
| F48 | 7,5 A | Airbag |
| F49 | 15 A | Instrument cluster |
| F50 | 15 A | Living Room Lamp |
| F51 | 25 A | Public Address System |
| F52 | 10 A | Opening roof (some models) |
| F53 | 15 A | Engine control system |
| F54 | 15 A | i-ACTIVSENSE |
| F55 | 50 A | Not used |
| F56 | 50 A | Not used |
