Jonathan Yarden Oct 06, 2021 · 5 min. read
In this article you will find a description of fuses and relays Mazda,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2018
Fuse block (Engine compartment)
| Position | Description | Fuse rating [A] | Protected component |
| 1 | AUDIO DCDC REG | 30 | Audio system |
| 2 | IG2 | 30 | For protection of various circuits |
| 3 | INJECTOR ENG. SUB | 30 | Engine control system* |
| 4 | SCR1 EVVT | 20 | Engine control system* |
| 5 | P.WINDOW1 | 30 | Power windows |
| 6 | IG1 2 | 30 | For protection of various circuits |
| 7 | — | — | — |
| 8 | ADD FAN DE | 50 | Cooling fan |
| 9 | DEFOG | 40 | Rear window defogger* |
| 10 | DCDC DE | 40 | — |
| 11 | EPB R | 20 | Electric parking brake (EPB) (RH) |
| 12 | EPB L | 20 | Electric parking brake (EPB) (LH) |
| 13 | CABIN.+B | 50 | For protection of various circuits |
| 14 | FAN GE | 30 | Cooling fan* |
| 15 | ENG.MAIN | 40 | Engine control system |
| 16 | ABS/DSC M | 50 | ABS, Dynamic stability control system |
| 17 | HEATER | 40 | Air conditioner* |
| 18 | WIPER | 20 | Front window wiper and washer |
| 19 | FAN DE | 50 | Cooling fan* |
| 20 | ADD FAN GE | 30 | Cooling fan* |
| 21 | ENGINE3 | 15 | Engine control system |
| 22 | ENGINE2 | 15 | Engine control system |
| 23 | AUDIO2 | 7,5 | Audio system |
| 24 | METER2 | 10 | — |
| 25 | SRS1 | 7,5 | Air bag |
| 26 | METER1 | 10 | Instrument cluster |
| 27 | ENGINE.IG1 | 7,5 | Engine control system |
| 28 | AT | 15 | Transaxle control system*, Ignition switch |
| 29 | H/CLEAN | 20 | — |
| 30 | A/C | 7,5 | Air conditioner |
| 31 | AT PUMP | 15 | — |
| 32 | HORN | 15 | Horn |
| 33 | R.WIPER | 15 | Theft-deterrent system |
| 34 | H/L HI | 20 | Headlight high beam |
| 35 | — | — | — |
| 36 | WIPER.DEI | 20 | Windshield wiper de-icer |
| 37 | ENG.+B | 7,5 | Engine control system |
| 38 | H/L LOW L | 15 | Headlight low beam (LH) |
| 39 | GLOW SIG | 5 | — |
| 40 | ENGINE1 ENGINE4 | 15 | Engine control system |
| 41 | C/U IG1 | 15 | Engine control system |
| 42 | ST.HEATER | 15 | Heated steering wheel |
| 43 | — | — | — |
| 44 | AUDIO1 | 25 | Audio system |
| 45 | ABS/DSC S | 30 | ABS, Dynamic stability control system |
| 46 | FUEL PUMP | 15 | Fuel system* |
| 47 | FUEL WARM | 25 | Fuel warmer |
| 48 | TAIL | 15 | Taillights, License plate lights |
| 49 | SCR2 FUEL PUMP2 | 25 | Fuel system* |
| 50 | HAZARD | 25 | Hazard warning flashers, Turn signal lights/Front side-marker lights, Parking lights |
| 51 | H/L LOW R | 15 | Headlight low beam (RH) |
| 52 | OUTLET | 25 | Accessory sockets |
| 53 | STOP | 10 | Brake lights |
| 54 | ROOM | 25 | Overhead light |
| * Some models | |||
Fuse block (Left side)
| Position | Description | Fuse rating [A] | Protected component |
| 1 | P.SEAT D | 30 | Power seat* |
| 2 | P.SEAT P1 | 30 | Power seat* |
| 3 | R.SEAT W1 | 20 | Seat warmer* |
| 4 | P.WINDOW2 | 25 | Power windows |
| 5 | SRS2/ESCL | 15 | Air bag/Electric steering lock |
| 6 | D.LOCK | 25 | Power door locks |
| 7 | SEAT WARM | 20 | Seat warmer* |
| 8 | SUNROOF | 10 | Moonroof* |
| 9 | R.OUTLET | 15 | — |
| 10 | MIRROR | 7,5 | Power control mirror |
| 11 | AT IND | 7,5 | AT shift indicator |
| 12 | INTERIOR1 | 15 | For protection of various circuits |
| 13 | INTERIOR2 | 10 | Overhead light |
| 14 | R.OUTLET2 | 15 | Accessory sockets |
| 15 | USB | 7,5 | USB power outlet |
| 16 | SCR3 | 15 | Engine control system* |
| 17 | SCR4 | 15 | Engine control system* |
| 18 | AUDIO3 | 15 | Audio system* |
| 19 | R.SHADE | 7,5 | — |
| 20 | M.DEF | 7,5 | Mirror defogger |
| 21 | — | — | — |
| * Some models | |||
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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