Mazda 3 (2014) – fuse box diagram
Year of production: 2014, 2015
Fuse block (Engine compartment)
| Position | Description | Fuse rating [A] | Protected component |
| 1 | FOG | 15 | Fog lights * |
| 2 | H/L HI | 20 | Headlight high beam * |
| 3 | H/CLEAN | 20 | — |
| 4 | STOP | 10 | Brake lights |
| 5 | ROOM | 15 | Overhead light |
| 6 | ENG+B | 7,5 | Engine control system |
| 7 | FUEL WARM | — | — |
| 8 | HAZARD | 25 | Hazard warning flashers, Turn signal lights |
| 9 | ABS/DSCS | 30 | ABS, Dynamic stability control system |
| 10 | METER2 | 7,5 | — |
| 11 | AUDIO2 | 7,5 | Audio system |
| 12 | BOSE | 25 | Bose ® Sound System-equipped model * |
| 13 | AUDIO1 | 15 | Audio system |
| 14 | FUEL PUMP | 15 | Fuel system |
| 15 | HID R DRL | 15 | Headlight (RH) *1 , Daytime running lights |
| 16 | AT PUMP | 15 | — |
| 17 | HORN | 15 | Horn |
| 18 | TAIL | 15 | Taillights, License plate lights, Parking lights, Front side-marker lights |
| 19 | CNG | — | — |
| 20 | AT | 15 | Transaxle control system |
| 21 | R.WIPER | 15 | Rear window wiper * |
| 22 | A/C | 7,5 | Air conditioner |
| 23 | ENGINE3 | 15 | Engine control system |
| 24 | ENGINE2 | 15 | Engine control system |
| 25 | ENGINE1 | 15 | Engine control system |
| 26 | GLOW SIG | 5 | — |
| 27 | EVVT | 20 | Engine control system |
| 28 | WIPER | 20 | Front window wiper and washer |
| 29 | DCDC REG | — | — |
| 30 | — | — | — |
| 31 | ADD FAN DE | — | — |
| 32 | P.WINDOW1 | 30 | Power windows |
| 33 | H/L LOW R | 15 | Headlight low beam (RH) *2 |
| 34 | H/L LOW L HID L | 15 | Headlight (LH) *1 , Headlight low beam (LH) *2 |
| 35 | METER1 | 10 | Instrument cluster |
| 36 | IG2 | 30 | For protection of various circuits |
| 37 | — | — | — |
| 38 | FAN DE | — | — |
| 39 | DCDC DE | — | — |
| 40 | SRS1 | 7,5 | Air bag |
| 41 | ENGINE. IG1 | 15 | Engine control system |
| 42 | C/U IG1 | 15 | For protection of various circuits |
| 43 | — | — | — |
| *1 With xenon fusion headlights
*2 With halogen headlights |
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Fuse block (Left side)
| Position | Description | Fuse rating [A] | Protected component |
| 1 | P.SEAT D | 30 | Power seat * |
| 2 | D LOCK | 25 | Door lock motor |
| 3 | P.WINDOW2 | 25 | Power windows |
| 4 | SEAT WARM | 20 | Seat warmer * |
| 5 | R.OUTLET3 | 15 | Accessory sockets |
| 6 | SRS2/ESCL | 15 | Seat weight sensor * |
| 7 | SUNROOF | 10 | Moonroof * |
| 8 | M.DEF | 7,5 | Mirror defroster* |
| 9 | R.OUTLET1 | — | — |
| 10 | MIRROR | 7,5 | Power control mirror |
| 11 | F.OUTLET | 15 | Accessory sockets |
| 12 | AT IND | 7,5 | AT shift indicator |
| 13 | — | — | — |
| 14 | — | — | — |
| 15 | — | — | — |
| * Some models | |||
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
