Mazda 3 (2009) – fuse box diagram
Year of production: 2009
Fuse block (engine compartment)
Without turbocharger
| Position | Description | Fuse [A]. | Protected component |
| 1 | VENTILATOR | 40 | Cooling fan |
| 2) | P / ST | 80 | Power steering |
| 3) | BTN | 40 | For protection of various circuits |
| 4 | HEAD | 40 | Reflectors |
| 5 | PTC | 80 | – |
| 6 | GLOW / P.SEAT | 60 | Electric seat |
| 7 | ABS 1 | 30 | ABS *, DSC * |
| 8 | ABS 2 | 20 | ABS *, DSC * |
| 9 | ENGINE | 30 | For protection of various circuits |
| 10 | – | – | – |
| 11 | IG KEY 1 | 30 | Ignition switch |
| 12 | STARTER | 20 | Starter clutch |
| 13 | IG KEY 2 | 30 | Ignition switch |
| 14 | LEVEL 1 | – | – |
| 15 | HEATER | 40 | Blower motor |
| 16 | SHINE 2 | – | – |
| 17 | DEFOG | 40 | Rear window defroster |
| 18 | AUDIO | 30 | Audio system (model equipped with BOSE sound system) |
| 19 | ABS IG | 10 | ABS *, DSC * |
| 20 | MIST | 15 | Front fog lights * |
| 21 | HORN | 15 | Horn |
| 22 | DRL | 10 | DRL * |
| 23 | H / CLEAN | 20 | – |
| 24 | F / PUMP | 15 | Fuel pump |
| 25 | P / ST IG | 10 | Power steering |
| 26 | A / C MAG | 10 | Air conditioner* |
| 27 | ALT / TCM | 15 | TCM * |
| 28 | GLOW SIG | – | – |
| 29 | P.OUTLET | – | Power socket |
| 30 | POL + B | 10 | PCM |
| 31 | ROOM | 15 | Interior lights |
| 32 | POL BAR 4 | 10 | O2 sensors * |
| 33 | POL BAR 3 | 10 | O2 sensors |
| 34 | EGI INJ | 10 | Injector |
| 35 | POL BAR 1 | 10 | To protect various circuits |
| 36 | POL BAR 2 | 10 | PCM, fuel pump |
| * Some models | |||
With turbocharger
| Item | Description | Fuse [A]. | Protected component |
| 1 | VENTILATOR | 70 | Cooling fan |
| 2) | – | – | – |
| 3) | BTN | 40 | For protection of various circuits |
| 4 | HEAD | 40 | Reflectors |
| 5 | F / PUMP | 30 | Fuel pump |
| 6 | – | – | – |
| 7 | ABS 1 | 30 | ABS, DSC |
| 8 | ABS 2 | 20 | ABS, DSC |
| 9 | ENGINE | 30 | For protection of various circuits |
| 10 | INSPECTOR | 30 | Fuel injection |
| 11 | IG KEY 1 | 30 | Ignition |
| 12 | STARTER | 20 | Starter clutch |
| 13 | IG KEY 2 | 30 | Ignition switch |
| 14 | – | – | – |
| 15 | HEATER | 40 | Blower motor |
| 16 | – | – | – |
| 17 | DEFOG | 40 | Rear window defroster |
| 18 | AUDIO | 30 | Audio system (model equipped with BOSE sound system) |
| 19 | ABS IG | 10 | ABS |
| 20 | MIST | 15 | Front fog lights |
| 21 | HORN | 15 | Horn |
| 22 | DRL | 10 | DRL * |
| 23 | H / CLEAN | 20 | – |
| 24 | ITP | 15 | Elec. throttling valve |
| 25 | – | – | – |
| 26 | A / C MAG | 10 | Air conditioner |
| 27 | – | – | – |
| 28 | – | – | – |
| 29 | P.OUTLET | 15 | Power socket |
| 30 | POL + B | 10 | PCM |
| 31 | ROOM | 15 | Interior lights |
| 32 | – | – | – |
| 33 | POL BAR 3 | 10 | O2 sensors |
| 34 | – | – | – |
| 35 | POL BAR 1 | 15 | To protect various circuits |
| 36 | POL BAR 2 | 10 | PCM, fuel pump |
| * Some models | |||
Fuse block (passenger side)
| Position | Description | Fuse [A]. | Protected component |
| 37 | D / LOCK 2 | 15 | Double locking system * |
| 38 | STOP LAMP / HORN | 10 | Stop Lamp, Horn |
| 39 | HEAD HIGH L | 10 | High beam (left) |
| 40 | HEAD HIGH R | 10 | High beam (RH) |
| 41 | – | – | – |
| 42 | – | – | – |
| 43 | CYGARO | 15 | Lighter |
| 44 | RADIO | 7,5 | Public address system |
| 45 | LUSTRO | 10 | Power control mirror * |
| 46 | TAIL R. | 7,5 | Tail lights (RH), parking lights (RH) License plate lights |
| 47 | OBD | 10 | For protection of various circuits |
| 48 | – | – | – |
| 49 | TR / LOCK | – | – |
| 50 | – | – | – |
| 51 | – | – | – |
| 52 | SUN ROOF | 20 | Moon roof * |
| 53 | WASHING MACHINE | 20 | Windshield wiper and washer |
| 54 | – | – | – |
| 55 | P / WIND R. | – | – |
| 56 | P / WIND L. | – | – |
| 57 | ALARM | – | – |
| 58 | M / DEF | 7,5 | Mirror Defroster * |
| 59 | – | – | – |
| 60 | HEAD LOW R | 15 | Dipped headlights (RH), headlight leveling *. |
| 61 | HEAD LOW L | 15 | Dipped headlights (LH) |
| 62 | – | – | – |
| 63 | – | – | – |
| 64 | – | – | – |
| 65 | SAS | 10 | Supplementary security system |
| 66 | METR | 10 | Instrument cluster, immobilizer system |
| 67 | IGNITION | 20 | ABS *, DSC *, power steering system |
| 68 | WIPER | 20 | Windshield wiper and washer |
| 69 | ENGINE | 20 | For protection of various circuits |
| 70 | IG SIG | 10 | Automatic windshield wiper *, windshield lift switch *. |
| 71 | SAS 2 | 7,5 | Seat weight sensor |
| 72 | – | – | – |
| 73 | – | – | – |
| 74 | SEAT HEAT | 20 | Seat warmer * |
| 75 | D / LOCK 1 | 25 | Electric door lock * |
| 76 | A / C | 10 | Air conditioner *, heater controller |
| 77 | P / WIND L. | 30 | Windshield lift (LH) *. |
| 78 | P / WIND R. | 30 | Windshield lift (RH) * |
| 79 | WITH RETURN | 10 | Reversing lights |
| 80 | SUN ROOF | 7,5 | Moon roof * |
| 81 | OGON L | 7,5 | Rear lights (LH), Parking lights (LH) |
| 82 | ILLUMI | 7,5 | Lighting |
| 83 | – | – | – |
| 84 | – | – | – |
| 85 | – | – | – |
| 86 | – | – | – |
| * Some models | |||