Mazda MX-5 2021 Fuse Box Info
Passenger compartment fuse box location:
The interior fuse box is located in the left kick panel.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N°and Name | Rating | Functions |
| 01 RHT R | 30A | Retractable hardtop (RH)* |
| 02 RHT L | 30A | Retractable hardtop (LH)* |
| 03 | - | - |
| 04 ENGINE6 | 10A | Engine control system |
| 05 F.OUTLET | 15A | Accessory sockets |
| 06 | - | - |
| 07 AT IND | 7.5A | AT shift indicator * |
| 08 MIRROR | 7.5A | Power control mirror |
| 09 R_DECK R | 30A | Retractable hardtop (RH)* |
| 10 R_DECK L | 30A | Retractable hardtop (LH)* |
| 11 F.WASHER | 15A | Windshield washer |
| 12 P.WINDOW | 30A | Power windows |
| 13 | - | - |
| 14 SRS2/ESCL | 15A | Electronic steering lock |
| 15 SEAT WARM | 20A | Seat warmer * |
| 16 M.DEF | 7.5A | Mirror defogger * |
* Some models
Engine compartment fuse box:
| Fuse/Relay N° and Name | Rating | Functions |
| 01 ENG IG3 | 5A | - |
| 02 ENG IG2 | 5A | - |
| 03 HORN2 | 7.5A | Horn |
| 04 C/U IG1 | 15A | For protection of various circuits |
| 05 ENG IG1 | 7.5A | Engine control system |
| 06 | - | - |
| 07 INTERIOR | 15A | Overhead light |
| 08 ENG+B | 7.5A | Engine control system |
| 09 AUDIO2 | 15A | Audio system |
| 10 METER1 | 10A | Instrument cluster |
| 11 SRS1 | 7.5A | Air bag |
| 12 | - | - |
| 13 RADIO | 7.5A | Audio system |
| 14 ENGINE3 | 20A | - |
| 15 ENGINE1 | 10A | Engine control system |
| 16 ENGINE2 | 15A | Engine control system |
| 17 AUDIO1 | 25A | Audio system |
| 18 A/C MAG | 7.5A | Air conditioner |
| 19 AT PUMP H/L HI |
20A | Transmission control system* |
| 20 AT | 15A | Transmission control system * |
| 21 D LOCK | 25A | Power door locks |
| 22 H/L RH | 20A | Headlight (RH) |
| 23 ENG+B2 | 7.5A | Engine control system |
| 24 TAIL | 20A | Taillights, License plate lights, Parking lights |
| 25 DRL | 15A | - |
| 26 ROOM | 25A | Overhead light |
| 27 FOG | 15A | - |
| 28 H/CLEAN | 20A | - |
| 29 STOP | 10A | Brake lights |
| 30 HORN | 15A | Horn |
| 31 H/L LH | 20A | Headlight (LH) |
| 32 ABS/DSC S | 30A | ABS, Dynamic stability control system |
| 33 HAZARD | 15A | Hazard warning flashers, Turn signal lights |
| 34 FUEL PUMP | 15A | Fuel system |
| 35 ENG+B3 | 5A | - |
| 36 WIPER | 20A | Windshield wipers |
| 37 CABIN+B | 50A | For protection of various circuits |
| 38 | - | - |
| 39 ENG SUB | 30A | Engine control system |
| 40 ABS/DSC M | 50A | ABS, Dynamic stability control system |
| 41 EVVT A/R PUMP |
20A | Engine control system |
| 42 EVPS | 30A | Brake control system |
| 43 FAN1 | 30A | Cooling fan |
| 44 FAN2 | 30A | - |
| 45 ENG.MAIN | 40A | Engine control system |
| 46 EPS | 60A | Power steering system |
| 47 DEFOG | 30A | Rear window defogger |
| 48 IG2 | 30A | For protection of various circuits |
| 49 INJECTOR | 30A | - |
| 50 HEATER | 40A | Air conditioner |
| 51 | - | - |
| 52 ENGINE4 | 20A | Engine control system |
* Some models
