Mazda CX-9 2020 Fuse Box Info
Fuse box location:
The fuse box is on the vehicle's left side.
Engine compartment fuse box:
Fuse arrangement in engine compartment.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse | Rating | Functions |
| 1. P.SEAT D | 30A | Power seat* |
| 2. P.WINDOW3 | 30A | Power windows |
| 3. R.OUTLET3 | 15A | Accessory sockets |
| 4. P.WINDOW2 | 25A | Power windows |
| 5. PLG | 20A | Power liftgate* |
| 6. D.LOCK | 25A | Power door locks |
| 7. SEAT WARM | 20A | Seat warmer* |
| 8. SRS2/ESCL | 15A | Trailer hitch* |
| 9. SUNROOF | 10A | Moonroof* |
| 10. INTERIOR2 | 15A | Audio system |
| 11. ENG+BB | 7.5A | Engine control system |
| 12. MIRROR | 7.5A | Power control mirror |
| 13. AT IND | 7.5A | AT shift indicator |
| 14. F.OUTLET | 15A | Accessory sockets |
| 15. R.OUTLET1 | 15A | Accessory sockets* |
| 16. USB | 15A | USB power outlet* |
| 17. M.DEF | 7.5A | Mirror defogger* |
| 18. R.SEAT.WARM | 20A | Seat warmer* |
| 19. AUDIO3 | 15A | Audio system |
| 20. P.SEAT RR | 30A | Power seat* |
| 21. P.SEAT P | 30A | Power seat* |
*Some models
Engine compartment fuse box:
| Fuse | Rating | Functions |
| 1. WIPER.DEI | 20A | Windshield wiper de-icer* |
| 2. IG2 | 30A | For protection of various circuits |
| 3. INJECTOR | 30A | Engine control system |
| 4. - | - | - |
| 5. P.WINDOW1 | 30A | - |
| 6. P.SEAT RL | 30A | Power seat* |
| 7. - | - | - |
| 8. EVVT | 20A | Engine control system |
| 9. DEFOG | 40A | Rear window defroster |
| 10. ST.HEATER2 | 20A | Heated steering wheel* |
| 11. R.HEATER | 40A | Air conditioner |
| 12. EPB L | 20A | Electric parking brake (EPB) (LH) |
| 13. AUDIO | 40A | Audio system |
| 14. EPB R | 20A | Electric parking brake (EPB) (RH) |
| 15. ENG.MAIN | 40A | Engine control system |
| 16. ABS/DSC M | 50A | ABS, Dynamic stability control system |
| 17. CABIN.+B | 50A | For protection of various circuits |
| 18. WIPER | 20A | Front window wiper and washer |
| 19. HEATER | 40A | Air conditioner |
| 20. - | - | - |
| 21. ENGINE.IG1 | 7.5A | Engine control system |
| 22. C/U IG1 | 15A | For protection of various circuits |
| 23. H/L LOW L | 15A | Headlight low beam (LH) |
| 24. H/L LOW R1 | 15A | - |
| 25. ENGINE3 | 15A | Engine control system |
| 26. ENGINE2 | 15A | Engine control system |
| 27. ENGINE1 | 15A | Engine control system |
| 28. AT | 15A | Transaxle control system, Ignition switch |
| 29. H/CLEAN | 20A | - |
| 30. A/C | 7.5A | Air conditioner |
| 31. AT PUMP | 15A | - |
| 32. STOP | 10A | Brake lights |
| 33. R.WIPER | 15A | Rear window wiper, Theft-deterrent system* |
| 34. H/L HI | 20A | Headlight high beam |
| 35. H/L LOW R2 | 15A | Headlight low beam (RH) |
| 36. FOG | 15A | Fog lights* |
| 37. ENG.+B | 7.5A | Engine control system |
| 38. AUDIO2 | 7.5A | Audio system |
| 39. INTERIOR | 10A | For protection of various circuits |
| 40. METER2 | 15A | - |
| 41. METER1 | 10A | Instrument cluster |
| 42. SRS1 | 7.5A | Air bag |
| 43. AUDIO4 | 10A | Audio system* |
| 44. AUDIO1 | 25A | Audio system |
| 45. ABS/DSC S | 30A | ABS, Dynamic stability control system |
| 46. - | - | - |
| 47. ST.HEATER | 15A | - |
| 48. TAIL | 15A | Parking lights |
| 49. FUEL PUMP2 | 25A | Fuel system |
| 50. HAZARD | 25A | Hazard warning flashers, Turn signal lights, Taillights |
| 51. DRL | 15A | Daytime running lights |
| 52. R.OUTLET2 | 15A | Accessory sockets* |
| 53. HORN | 15A | Horn |
| 54. ROOM | 25A | For protection of various circuits |
*Some models
