Mazda3 2004 Fuse Box Info
Fuse box location:
The fuse box is below the glove box.
Engine compartment fuse box:
Fuse arrangement in engine compartment.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse | Rating | Functions |
| 37. D/LOCK 2 | 15A | Power door lock |
| 38. - | - | - |
| 39. HEAD HIGH L | 10A | Headlight high beams (LH) |
| 40. HEAD HIGH R | 10A | Headlight high beams (RH) |
| 41. - | - | - |
| 42. - | - | - |
| 43. CIGAR | 15A | Lighter |
| 44. RADIO | 7.5A | Audio system |
| 45. MIRROR | 10A | Power control mirror |
| 46. TAIL R | 7.5A | Taillight (RH), Parking lights (RH) License plate lights |
| 47. OBD | 10A | For protection of various circuits |
| 48. - | - | - |
| 49. TR/LOCK | 20A | - |
| 50. CPU PWR | 10A | Control unit |
| 51. HAZARD | 15A | Turn signals, Hazard warning flashers |
| 52. SUN ROOF | 20A | Moonroof* |
| 53. WASHER | 20A | Front washer, Rear window wiper and washer |
| 54. - | - | - |
| 55. P/WIND R | 30A | - |
| 56. P/WIND L | 30A | - |
| 57. ALARM | 7.5A | - |
| 58. M/DEF | 7.5A | Mirror Defroster |
| 59. - | - | - |
| 60. HEAD LOW R | 15A | Headlight low beams (RH), Headlight leveling* |
| 61. HEAD LOW L | 15A | Headlight low beams (LH) |
| 62. - | - | - |
| 63. - | - | - |
| 64. - | - | - |
| 65. SAS | 10A | Supplemental restraint system |
| 66. METER | 10A | Instrument cluster, Immobilizer system, Shift lock system |
| 67. IGNITION | 20A | ABS* , EHPAS* |
| 68. WIPER | 20A | Windshield wiper |
| 69. ENGINE | 20A | For protection of various circuits |
| 70. IG SIG | 10A | Auto wiper* |
| 71. SAS 2 | 7.5A | Supplemental restraint system |
| 72. - | - | - |
| 73. - | - | - |
| 74. SEAT WARM | 20A | - |
| 75. D/LOCK 1 | 25A | Power door lock |
| 76. A/C | 10A | Air conditioner, Heater control unit |
| 77. P/WIND L | 30A | Power window (LH)* |
| 78. P/WIND R | 30A | Power window (RH)* |
| 79. BACK | 10A | Reverse lights |
| 80. SUN ROOF | 7.5A | Moonroof* |
| 81. TAIL L | 7.5A | Taillights (LH), Parking lights (LH) |
| 82. ILLUMI | 7.5A | Illumination |
| 83. - | - | - |
| 84. - | - | - |
| 85. - | - | - |
| 86. - | - | - |
*Some models.
Engine compartment fuse box:
| Fuse | Rating | Functions |
| 1. FAN | 40A | Cooling fan |
| 2. P/ST | 80A | EHPAS |
| 3. BTN | 40A | For protection of various circuits |
| 4. HEAD | 40A | Headlights |
| 5. PTC | 80A | - |
| 6. GLOW | 60A | - |
| 7. ABS 1 | 30A | ABS* |
| 8. ABS 2 | 20A | ABS* |
| 9. ENGINE | 30A | For protection of various circuits |
| 10. - | - | - |
| 11. IG KEY 1 | 30A | Ignition switch |
| 12. STARTER | 20A | Starter clutch |
| 13. IG KEY 2 | 30A | Ignition switch |
| 14. - | - | - |
| 15. HEATER | 40A | Blower motor |
| 16. - | - | - |
| 17. DEFOG | 40A | Rear window defroster |
| 18. - | - | - |
| 19. ABS IG | 10A | ABS* |
| 20. FOG | 15A | Fog lights* |
| 21. HORN | 15A | Horn |
| 22. - | - | - |
| 23. H/CLEAN | 20A | - |
| 24. F/PUMP | 15A | Fuel pump |
| 25. P/ST IG | 10A | Power steering |
| 26. A/C MAG | 10A | Air conditioner |
| 27. ALT | 10A | - |
| 28. - | - | - |
| 29. - | - | - |
| 30. ENG +B | 10A | PCM |
| 31. ROOM | 15A | Interior lights |
| 32. ENG BAR 4 | 10A | O2 heater |
| 33. ENG BAR 3 | 10A | O2 heater |
| 34. EGI INJ | 10A | Injector |
| 35. ENG BAR 1 | 10A | Air flow sensor |
| 36. ENG BAR 2 | 10A | EGR control valve |
*Some models.
