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In this article, we consider the fourth-generation Mazda MX-5 Miata (ND), available from 2016 to the present. Here you will find fuse box diagrams of Mazda MX-5 Miata 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).
See other Mazda MX-5 Miata:
Fuse Layout Mazda MX-5 Miata 2016-2023
Cigar lighter (power outlet) fuse: #5 “F.OUTLET” in the passenger compartment fuse box.
Table of Contents
Fuse box location
Fuse box location
If the electrical system does not work, first inspect the fuses on the vehicle’s left side.
If the headlights or other electrical components do not work and the fuses in the cabin are normal, inspect the fuse block under the hood.
Passenger compartment
The fuse box is located behind the cover on the left side of the vehicle.
Fuse box in the engine compartment
Fuse box diagrams
Fuse box diagrams
2016
Engine compartment
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Assignment of the fuses in the engine compartment (2016)
| № | DESCRIPTION | 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 | — | — | — |
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Passenger compartment
| № | DESCRIPTION | 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
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Assignment of the fuses in the engine compartment (2017)
| № | DESCRIPTION | 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 | — | — | — |
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Passenger compartment
| № | DESCRIPTION | 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
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Assignment of the fuses in the engine compartment (2018-2023)
| № | DESCRIPTION | 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 |
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Passenger compartment
| № | DESCRIPTION | 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) |
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