Mazda CX-3 2021 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is on the vehicle's left side.
Engine compartment fuse box location:
Fuse arrangement in engine compartment.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse | Rating | Functions |
| 1. - | - | |
| 2. - | - | - |
| 3. AUDIO2 | 15A | Audio system |
| 4. ST.HEATER | 10A | Heated steering system* |
| 5. F.OUTLET | 15A | Accessory sockets |
| 6. - | - | - |
| 7. AT IND | 7.5A | AT shift indicator* |
| 8. MIRROR | 7.5A | Power control mirror |
| 9. - | - | - |
| 10. P.WINDOW2 | 25A | Power windows |
| 11. R.WIPER | 15A | Rear window wiper and washer |
| 12. P.SEAT D | 30A | Power seat* |
| 13. - | - | - |
| 14. SRS2/ESCL | 15A | - |
| 15. SEAT WARM | 20A | Seat warmer* |
| 16. M.DEF | 7.5A | Mirror defogger* |
*Some models
Engine compartment fuse box:
| Fuse | Rating | Functions |
| 1. C/U IG1 | 15A | For protection of various circuits |
| 2. ENGINE IG1 | 7.5A | Engine control system |
| 3. SUNROOF | 10A | Moonroof* |
| 4. INTERIOR | 15A | Overhead light, Audio system |
| 5. ENG+B | 7.5A | Engine control system |
| 6. AUDIO2 ENGINE4 | 15A | Engine control system |
| 7. METER1 | 10A | Instrument cluster |
| 8. SRS1 | 7.5A | Air bag |
| 9. METER2 | 7.5A | - |
| 10. RADIO | 7.5A | Audio system |
| 11. ENGINE3 | 15A | Engine control system |
| 12. ENGINE1 | 15A | - |
| 13. ENGINE2 | 15A | Engine control system |
| 14. AUDIO1 | 25A | Audio system |
| 15. A/C MAG | 7.5A | Air conditioner |
| 16. AT PUMP | 15A | - |
| 17. AT | 15A | Transaxle control system |
| 18. D.LOCK | 25A | Power door locks |
| 19. H/L RH | 20A | Headlight (RH) |
| 20. ENG+B2 | 7.5A | Engine control system |
| 21. TAIL | 20A | Taillights, License plate lights, Parking lights |
| 22. ST.HEATER | 15A/20A | Heated steering wheel*, Headlight* |
| 23. ROOM | 25A | Overhead light |
| 24. FOG | 15A | Fog lights* |
| 25. H/CLEAN | 20A | - |
| 26. STOP | 10A | Brake lights |
| 27. HORN | 15A | Horn |
| 28. H/L LH | 20A | Headlight (LH) |
| 29. ABS/DSC S | 30A | ABS, Dynamic stability control system* |
| 30. HAZARD | 15A | Hazard warning flashers, Turn signal lights |
| 31. FUEL PUMP SCR | 15A | Fuel system |
| 32. FUEL WARM | 25A | - |
| 33. WIPER | 20A | Front window wiper |
| 34. CABIN+B | 50A | For protection of various circuits |
| 35. FAN2 EPB L | 30A | Electric parking brake (LH) |
| 36. FUEL PUMP | 30A | - |
| 37. ABS/DSC M | 50A | ABS, Dynamic stability control system |
| 38. EVVT | 20A | Engine control system |
| 39. WIPER DEI | 20A | - |
| 40. FAN1 EPB R | 30A | Electric parking brake (RH) |
| 41. FAN3 | 40A | Cooling fan |
| 42. ENG.MAIN | 40A | Engine control system |
| 43. EPS | 60A | - |
| 44. DEFOG | 40A | Rear window defogger |
| 45. IG2 | 30A | For protection of various circuits |
| 46. INJECTOR ENG.SUB | 30A | Engine control system |
| 47. HEATER | 40A | Air conditioner |
| 48. P.WINDOW1 | 30A | Power windows |
| 49. DCDC DE | 40A | - |
*Some models
