Mazda CX-30 (2020 – 2026) Fuse Box Location & Diagrams
The Mazda CX-30 (2020–2026) fuse box protects essential electrical systems throughout the vehicle. This guide covers fuse box locations, fuse diagrams, ratings, and protected components, helping you identify the correct fuse when troubleshooting electrical issues or replacing a blown fuse.
Fuse Box Location
Passenger Compartment Fuse Box
It is located behind the cover on the left side of the vehicle.
Engine Compartment Fuse Box
Fuse Box Diagrams
Passenger Compartment Fuse Box
| № | Amp | Protected Component |
|---|---|---|
| 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 | 25 A | Power liftgate |
| F8 | — | Not Used |
| F9 | 30 A | Power windows (Driver) |
| F10 | 30 A | Power windows (Passenger) |
| F11 | 30 A | Power seat (Driver) |
| F12 | — | Not Used |
| F13 | 15 A | Audio |
| F14 | — | Not Used |
| F15 | 15 A | Liftgate lock |
| F16 | 15 A | Illumination |
| F17 | 10 A | Brake lights |
| F18 | 10 A | Reverse lights |
| F19 | 10 A | Rear turn signal lights |
| F20 | 10 A | Taillights |
| F21 | 10 A | Taillights |
| F22 | 7.5 A | Air bag |
| F23 | — | Not Used |
Engine Compartment Fuse Box
| No. | Fuse Rating | Protected Component |
|---|---|---|
| F1 | — | Not Used |
| F2 | 20A | Windshield wiper de-icer |
| F3 | 30A | Engine control system |
| F4 | 20A | S-VT |
| F5 | 40A | Engine control system |
| F6 | 20A | Not Used |
| F7 | 15A | — |
| F7 | 20A | Fuel pump |
| F8 | 15A | Engine control system |
| F9 | 15A | Transmission control system |
| F10 | 15A | Engine control system |
| F11 | 7.5A | Air conditioner |
| F12 | 15A | Engine control system |
| F13 | 15A | Not Used |
| F14 | 20A | Front seat warmer |
| F15 | 20A | Not Used |
| F16 | 15A | For protection of various circuits |
| F17 | — | Not Used |
| F18 | 15A | 2020-2023: For protection of various circuits |
| F19 | 60A | Power steering system |
| F20 | 15A | Headlight (Left) 1 |
| F21 | 15A | Headlight (Right) 1 |
| F22 | 15A | Keyless system |
| F23 | 30A | ABS, Dynamic stability control system |
| F24 | 15A | Headlight (Left) 2 |
| F25 | 15A | Headlight (Right) 2 |
| F26 | 7.5A | On-board diagnostics |
| F27 | 25A | For protection of various circuits |
| F28 | 25A | For protection of various circuits |
| F29 | 15A | Windshield washer |
| F30 | 15A | Accessory sockets |
| F31 | 15A | Horn |
| F32 | 15A | Headlights |
| F33 | — | Not Used |
| F34 | 10A | 2024-2026: i-ACTIVSENSE |
| F35 | 50A | ABS, Dynamic stability control system |
| F36 | — | Not Used |
| F37 | 40A | Rear window defogger |
| F38 | 50A | For protection of various circuits |
| F39 | — | Not Used |
| F40 | 40A | Air conditioner |
| F41 | — | Not Used |
| F42 | 20A | Windshield wipers |
| F43 | 30A | Cooling fan |
| F44 | 30A | Starter |
| F45 | 10A | Engine control system |
| F46 | 15A | Audio |
| F47 | 15A | For protection of various circuits |
| F48 | 7.5A | Air bag |
| F49 | 15A | Instrument cluster |
| F50 | 15A | Room light |
| F51 | 25A | Audio |
| F52 | 10A | Moonroof |
| F53 | 15A | Engine control system |
| F54 | 15A | i-ACTIVSENSE |
| F55 | 50A | Not Used |
| F56 | 15A | 2022-2026: Electric water pump |
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