The Mazda MX-5 Miata (ND), also known as the fourth-generation, has been available since 2016. If you need to know about its fuse box, we’ve got you covered for model years 2016 through 2023. Inside, we’ll show you where the fuse panels are located and explain what each fuse does.
Table of Contents
Cigar lighter (power outlet) fuse: #5 “F.OUTLET” in the passenger compartment fuse box.
[2016]
Engine compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | ENG IG3 | 5 A | — |
| 2 | ENG IG2 | 5 A | — |
| 3 | HORN2 | 7.5 A | Horn |
| 4 | C/U IG1 | 15 A | For protection of various circuits |
| 5 | ENG IG1 | 7.5 A | Engine control system |
| 6 | — | — | — |
| 7 | INTERIOR | 15 A | Overhead light |
| 8 | ENG+B | 7.5 A | Engine control system |
| 9 | AUDIO2 | 15 A | Audio system |
| 10 | METER1 | 10 A | Instrument cluster |
| 11 | SRS1 | 7.5 A | Air bag |
| 12 | — | — | — |
| 13 | RADIO | 7.5 A | Audio system |
| 14 | ENGINE3 | 20 A | Engine control system |
| 15 | ENGINE1 | 10 A | Engine control system |
| 16 | ENGINE2 | 15 A | Engine control system |
| 17 | AUDIO1 | 25 A | Audio system |
| 18 | A/C MAG | 7.5 A | Air conditioner |
| 19 | AT PUMP | 20 A | Transmission control system (Some models) |
| 20 | AT | 15 A | Transmission control system (Some models) |
| 21 | D LOCK | 25 A | Power door locks |
| 22 | H/L RH | 20 A | Headlight (RH) |
| 23 | ENG+B2 | 7.5 A | Engine control system |
| 24 | TAIL | 20 A | Taillights, License plate lights. Parking lights |
| 25 | DRL | 15 A | — |
| 26 | ROOM | 25 A | Overhead light |
| 27 | FOG | 15 A | — |
| 28 | H/CLEAN | 20 A | — |
| 29 | STOP | 10 A | Brake lights |
| 30 | HORN | 15 A | Horn |
| 31 | H/L LH | 20 A | Headlight (LH) |
| 32 | ABS/DSC S | 30 A | ABS, Dynamic stability control system |
| 33 | HAZARD | 15 A | Hazard warning flashers, Turn signal lights |
| 34 | FUEL PUMP | 15 A | Fuel system |
| 35 | ENG+B3 | 5 A | — |
| 36 | WIPER | 20 A | Windshield wipers |
| 37 | CABIN+B | 50 A | For protection of various circuits |
| 38 | — | — | — |
| 39 | — | — | — |
| 40 | ABS/DSC M | 50 A | ABS, Dynamic stability control system |
| 41 | EVVT A/R PUMP | 20 A | Engine control system |
| 42 | EVPS | 30 A | Brake control system |
| 43 | FAN1 | 30 A | Cooling fan |
| 44 | FAN2 | 40 A | — |
| 45 | ENG.MAIN | 40 A | Engine control system |
| 46 | EPS | 60 A | Power steering system |
| 47 | DEFOG | 30 A | Rear window defogger |
| 48 | IG2 | 30 A | For protection of various circuits |
| 49 | INJECTOR | 30 A | Engine control system |
| 50 | HEATER | 40 A | Air conditioner |
| 51 | — | — | — |
| 52 | — | — | — |
Passenger compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | RHT R | 30 A | — |
| 2 | RHT L | 30 A | — |
| 3 | — | — | — |
| 4 | — | — | — |
| 5 | F.OUTLET | 15 A | Accessory sockets |
| 6 | — | — | — |
| 7 | AT IND | 7.5 A | AT shift indicator (Some models) |
| 8 | MIRROR | 7.5 A | Power control mirror |
| 9 | R_DECK R | 30 A | — |
| 10 | R_DECK L | 30 A | — |
| 11 | F. WASHER | 15 A | W’indshield washer |
| 12 | P.WINDOW | 30 A | Power windows |
| 13 | — | — | — |
| 14 | SRS2/ESCL | 15 A | — |
| 15 | SEAT WARM | 20 A | Seat warmer (Some models) |
| 16 | M.DEF | 7.5 A | Mirror defogger (Some models) |
[2017]
Engine compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | ENG IG3 | 5 A | — |
| 2 | ENG IG2 | 5 A | — |
| 3 | HORN2 | 7.5 A | Horn |
| 4 | C/U IG1 | 15 A | For protection of various circuits |
| 5 | ENG IG1 | 7.5 A | Engine control system |
| 6 | — | — | — |
| 7 | INTERIOR | 15 A | Overhead light |
| 8 | ENG+B | 7.5 A | Engine control system |
| 9 | AUDIO2 | 15 A | Audio system |
| 10 | METER1 | 10 A | Instrument cluster |
| 11 | SRS1 | 7.5 A | Air bag |
| 12 | — | — | — |
| 13 | RADIO | 7.5 A | Audio system |
| 14 | ENGINE3 | 20 A | Engine control system |
| 15 | ENGINE1 | 10 A | Engine control system |
| 16 | ENGINE2 | 15 A | Engine control system |
| 17 | AUDIO1 | 25 A | Audio system |
| 18 | A/C MAG | 7.5 A | Air conditioner |
| 19 | AT PUMP H/L HI | 20 A | Transmission control system (Some models) |
| 20 | AT | 15 A | Transmission control system (Some models) |
| 21 | D LOCK | 25 A | Power door locks |
| 22 | H/L RH | 20 A | Headlight (RH) |
| 23 | ENG+B2 | 7.5 A | Engine control system |
| 24 | TAIL | 20 A | Taillights, License plate lights. Parking lights |
| 25 | DRL | 15 A | — |
| 26 | ROOM | 25 A | Overhead light |
| 27 | FOG | 15 A | — |
| 28 | H/CLEAN | 20 A | — |
| 29 | STOP | 10 A | Brake lights |
| 30 | HORN | 15 A | Horn |
| 31 | H/L LH | 20 A | Headlight (LH) |
| 32 | ABS/DSC S | 30 A | ABS, Dynamic stability control system |
| 33 | HAZARD | 15 A | Hazard warning flashers, Turn signal lights |
| 34 | FUEL PUMP | 15 A | Fuel system |
| 35 | ENG+B3 | 5 A | — |
| 36 | WIPER | 20 A | Windshield wipers |
| 37 | CABIN+B | 50 A | For protection of various circuits |
| 38 | — | — | — |
| 39 | — | — | — |
| 40 | ABS/DSC M | 50 A | ABS, Dynamic stability control system |
| 41 | EVVT A/R PUMP | 20 A | Engine control system |
| 42 | EVPS | 30 A | Brake control system |
| 43 | FAN1 | 30 A | Cooling fan |
| 44 | FAN2 | 40 A | — |
| 45 | ENG.MAIN | 40 A | Engine control system |
| 46 | EPS | 60 A | Power steering system |
| 47 | DEFOG | 30 A | Rear window defogger |
| 48 | IG2 | 30 A | For protection of various circuits |
| 49 | INJECTOR | 30 A | Engine control system |
| 50 | HEATER | 40 A | Air conditioner |
| 51 | — | — | — |
| 52 | — | — | — |
Passenger compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | RHT R | 30 A | Retractable fastback (RH) (Some models) |
| 2 | RHT L | 30 A | Retractable fastback (LH) (Some models) |
| 3 | — | — | — |
| 4 | — | — | — |
| 5 | F.OUTLET | 15 A | Accessory sockets |
| 6 | — | — | — |
| 7 | AT IND | 7.5 A | AT shift indicator (Some models) |
| 8 | MIRROR | 7.5 A | Power control mirror |
| 9 | R_DECK R | 30 A | Retractable fastback (RH) (Some models) |
| 10 | R_DECK L | 30 A | Retractable fastback (LH) (Some models) |
| 11 | F.WASHER | 15 A | Windshield washer |
| 12 | P.WINDOW | 30 A | Power windows |
| 13 | — | — | — |
| 14 | SRS2/ESCL | 15 A | — |
| 15 | SEAT WARM | 20 A | Seat warmer (Some models) |
| 16 | M.DEF | 7.5 A | Mirror defogger (Some models) |
[2018/2019/2020/2021/2022/2023]
Engine compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | ENG IG3 | 5 A | — |
| 2 | ENG IG2 | 5 A | — |
| 3 | HORN2 | 7.5 A | Horn |
| 4 | C/U IG1 | 15 A | For protection of various circuits |
| 5 | ENG IG1 | 7.5 A | Engine control system |
| 6 | — | — | — |
| 7 | INTERIOR | 15 A | Overhead light |
| 8 | ENG+B | 7.5 A | Engine control system |
| 9 | AUDIO2 | 15 A | Audio system |
| 10 | METER1 | 10 A | Instrument cluster |
| 11 | SRS1 | 7.5 A | Air bag |
| 12 | — | — | — |
| 13 | RADIO | 7.5 A | Audio system |
| 14 | ENGINE3 | 20 A | 2018: Engine control system 2019-2023: Not Used |
| 15 | ENGINE1 | 10 A | Engine control system |
| 16 | ENGINE2 | 15 A | Engine control system |
| 17 | AUDIO1 | 25 A | Audio system |
| 18 | A/C MAG | 7.5 A | Air conditioner |
| 19 | AT PUMP H/L HI | 20 A | 2018: Not Used 2019-2023: Transmission control system (Some models) |
| 20 | AT | 15 A | Transmission control system (Some models) |
| 21 | D LOCK | 25 A | Power door locks |
| 22 | H/L RH | 20 A | Headlight (RH) |
| 23 | ENG+B2 | 7.5 A | Engine control system |
| 24 | TAIL | 20 A | Taillights, License plate lights. Parking lights |
| 25 | DRL | 15 A | — |
| 26 | ROOM | 25 A | Overhead light |
| 27 | FOG | 15 A | — |
| 28 | H/CLEAN | 20 A | — |
| 29 | STOP | 10 A | Brake lights |
| 30 | HORN | 15 A | Horn |
| 31 | H/L LH | 20 A | Headlight (LH) |
| 32 | ABS/DSC S | 30 A | ABS, Dynamic stability control system |
| 33 | HAZARD | 15 A | Hazard warning flashers, Turn signal lights |
| 34 | FUEL PUMP | 15 A | Fuel system |
| 35 | ENG+B3 | 5 A | — |
| 36 | WIPER | 20 A | Windshield wipers |
| 37 | CABIN+B | 50 A | For protection of various circuits |
| 38 | — | — | — |
| 39 | ENG SUB | 30 A | 2018: Not Used 2019-2023: Engine control system |
| 40 | ABS/DSC M | 50 A | ABS, Dynamic stability control system |
| 41 | EVVT A/R PUMP | 20 A | Engine control system |
| 42 | EVPS | 30 A | Brake control system |
| 43 | FAN1 | 30 A | Cooling fan |
| 44 | FAN2 | 40 A | — |
| 45 | ENG.MAIN | 40 A | Engine control system |
| 46 | EPS | 60 A | Power steering system |
| 47 | DEFOG | 30 A | Rear window defogger |
| 48 | IG2 | 30 A | For protection of various circuits |
| 49 | INJECTOR | 30 A | 2018: Engine control system 2019-2023: Not Used |
| 50 | HEATER | 40 A | Air conditioner |
| 51 | — | — | — |
| 52 | ENGINE4 | 20A | 2018: Not Used 2019-2023: Engine control system |
Passenger compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | RHT R | 30 A | Retractable fastback (RH) (Some models) |
| 2 | RHT L | 30 A | Retractable fastback (LH) (Some models) |
| 3 | — | — | — |
| 4 | ENGINE6 | 10 A | 2018: Not Used 2019-2023: Engine control system |
| 5 | F.OUTLET | 15 A | Accessory sockets |
| 6 | — | — | — |
| 7 | AT IND | 7.5 A | AT shift indicator (Some models) |
| 8 | MIRROR | 7.5 A | Power control mirror |
| 9 | R_DECK R | 30 A | Retractable fastback (RH) (Some models) |
| 10 | R_DECK L | 30 A | Retractable fastback (LH) (Some models) |
| 11 | F.WASHER | 15 A | Windshield washer |
| 12 | P.WINDOW | 30 A | Power windows |
| 13 | — | — | — |
| 14 | SRS2/ESCL | 15 A | 2018: Not Used 2019-2023: Electronic steering lock |
| 15 | SEAT WARM | 20 A | Seat warmer (Some models) |
| 16 | M.DEF | 7.5 A | Mirror defogger (Some models) |
Next Post: 2006-2015 Mazda MX-5 Miata (NC) fuse box diagram
Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.