If you’re looking for fuse box diagrams for the Mazda 3 during its production years from 2003 to 2009, you’ve come to the right place. Here, you’ll discover detailed diagrams showcasing the locations of the fuse panels inside the vehicle. Additionally, you’ll gain insights into the purpose of each fuse, helping you understand their functions effectively. The original Mazda 3 (BK) debuted in 2003 and remained in production until 2009.
Cigar lighter (power outlet) fuses #43 “CIGAR” in the passenger compartment fuse box, and fuse #29 “P.OUTLET” (since 2007) in the engine compartment fuse box. [2004/2005] Engine compartment FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 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 (Some models) 8 ABS 2 20A ABS (Some models) 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 (Some models) 20 FOG 15A Fog lights (Some models) 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 O 2 heater 33 ENG BAR 3 10A O 2 heater 34 EGI INJ 10A Injector 35 ENG BAR 1 10A Air flow sensor 36 ENG BAR 2 10A EGR control valve
Passenger compartment FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 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 (Some models) 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\ EH PAS (Some models) 68 WIPER 20A Windshield wiper 69 ENGINE 20A For protection of various circuits 70 IG SIG 10A Auto wiper (Some models) 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) (Some models) 78 P/WIND R 30A Power window (RH) (Some models) 79 BACK 10A Reverse lights 80 SUN ROOF 7.5A Moonroof (Some models) 81 TAILL 7.5A Taillights (LH), Parking lights (LH) 82 ILLUMI 7.5A Illumination 83 — — — 84 — — — 85 — — — 86 — — —
[2006] Engine compartment FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 1 FAN 40 A Cooling fan 2 P/ST 80 A EHPAS 3 BTN 40 A For protection of various circuits 4 HEAD 40 A Headlights 5 PTC 80 A — 6 GLOW 60 A — 7 ABS 1 30 A ABS (Some models) 8 ABS 2 20 A ABS (Some models) 9 ENGINE 30 A For protection of various circuits 10 — — — 11 IG KEY 1 30 A Ignition switch 12 STARTER 20 A Starter clutch 13 IG KEY 2 30 A Ignition switch 14 — — — 15 HEATER 40 A Blower motor 16 — — — 17 DEFOG 40 A Rear window defroster 18 AUDIO 30 A Audio system (BOSE Sound System-equipped model) 19 ABS IG 10A ABS (Some models) 20 FOG 15 A Fog lights (Some models) 21 HORN 15 A Horn 22 — — — 23 H/CLEAN 20 A — 24 F/PUMP 15 A Fuel pump 25 P/ST IG 10A Power steering 26 A/C MAG 10A Air conditioner 27 TCM 15A Transmission control module 28 — — — 29 — — — 30 ENG +B 10A PCM 31 ROOM 15 A 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
Passenger compartment FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 37 D/LOCK 2 15 A Power door lock 38 STOP 10A Stop lights 39 HEAD HIGH L 10A Headlight high beams (LH) 40 HEAD HIGH R 10A Headlight high beams (RH) 41 — — — 42 — — — 43 CIGAR 15 A Lighter 44 RADIO 7.5 A Audio system 45 MIRROR 10A Power control mirror 46 TAIL R 7.5 A Taillight (RH), Parking lights (RH) License plate lights 47 OBD 10A For protection of various circuits 48 — — — 49 TR/LOCK 20 A — 50 CPU PWR 10A Control unit 51 HAZARD 15 A Turn signals, Hazard warning flashers 52 SUN ROOF 20 A Moonroof (Some models) 53 WASHER 20 A Front washer, Rear window wiper and washer 54 — — — 55 P/WIND R 30 A — 56 P/WIND L 30 A — 57 ALARM 7.5 A — 58 M/DEF 7.5 A Mirror Defroster 59 — — — 60 HEAD LOW R 15 A Headlight low beams (RH), Headlight leveling (Some models) 61 HEAD LOW L 15 A 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 20 A ABS (Some models), EHPAS 68 WIPER 20 A Windshield wiper 69 ENGINE 20 A For protection of various circuits 70 IG SIG 10A Auto wiper (Some models) 71 SAS 2 7.5 A Supplemental restraint system 72 — — — 73 — — — 74 SEAT WARM 20 A — 75 D/LOCK 1 25 A Power door lock 76 A/C 10A Air conditioner, Heater control unit 77 P/WIND L 30 A Power window (LH) (Some models) 78 P/WIND R 30 A Power window (RH) 79 BACK 10A Reverse lights 80 SUN ROOF 7.5 A Moonroof (Some models) 81 TAILL 7.5 A Taillights (LH), Parking lights (LH) 82 ILLUMI 7.5 A Illumination 83 — — — 84 — — — 85 — — — 86 — — —
[2007/2008] Engine compartment (Without turbocharger) FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 1 FAN 40A Cooling fan 2 P/ST 80A Power steering 3 BTN 40A For protection of various circuits 4 HEAD 40A Headlights 5 PTC — — 6 GLOW — — 7 ABS 1 30A ABS (Some models), DSC (Some models) 8 ABS 2 20A ABS (Some models), DSC (Some models) 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 GLOW 1 — — 15 HEATER 40A Blower motor 16 GLOW 2 — — 17 DEFOG 40A Rear window defroster 18 AUDIO 30A Audio system (BOSE Sound System-equipped model) 19 ABS IG 10A ABS (Some models), DSC (Some models) 20 FOG 15A Front fog lights (Some models) 21 HORN 15A Horn 22 DRL 10A DRL (Some models) 23 H/CLEAN — — 24 F/PUMP 15A Fuel pump 25 P/ST IG 10A Power steering 26 A/C MAG 10A Air conditioner (Some models) 27 ALT/TCM 10A/15A TCM (Some models) 28 GLOW SIG — — 29 P.OUTLET — Power outlet 30 ENG +B 10A PCM 31 ROOM 15A Interior lights 32 ENG BAR 4 10A O2 sensors (Some models) 33 ENG BAR 3 10A O2 sensors 34 EGI INJ 10A Injector 35 ENG BAR 1 10A For protection of various circuits 36 ENG BAR 2 10A PCM, Fuel pump
(With turbocharger) FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 1 FAN 70A Cooling fan 2 — — — 3 BTN 40A For protection of various circuits 4 HEAD 40A Headlights 5 F/PUMP 30A Fuel pump 6 — — — 7 ABS 1 30A ABS, DSC 8 ABS 2 20A ABS, DSC 9 ENGINE 30A For protection of various circuits 10 INJECTOR 30A Fuel injector 11 IG KEY 1 30A Ignition switch 12 STATER 20A Starter clutch 13 IG KEY2 30A Ignition switch 14 — — — 15 HEATER 40A Blower motor 16 — — — 17 DEFOG 40A Rear window deforester 18 AUDIO 30A Audio system (BOSE Sound System-equipped model) 19 ABS IG 10A ABS 20 FOG 15A Front fog lights 21 HORN 15A Horn 22 DRL 10A DRL (Some models) 23 H/CLEAN — — 24 ETC 10A Elec, throttle valve 25 — — — 26 A/C MAG 10A Air conditioner 27 — — — 28 — — — 29 P.OUTLET 15A Power outlet 30 ENG +B 10A PCM 31 ROOM 15A Interior lights 32 — — — 33 ENG BAR 3 10A O2 sensors 34 — — — 35 ENG BAR 1 15A For protection of various circuits 36 ENG BAR 2 10A PCM, Fuel pump
Passenger compartment FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 37 D/LOCK 2 15A Double locking system (Some models) 38 STOP LAMP/HORN 10A Stop Lamp, Horn 39 HEAD HIGH L 10A Headlight high beam (LH) 40 HEAD HIGH R 10A Headlight high beam (RH) 41 — — — 42 — — — 43 CIGAR 15A Lighter 44 RADIO 7.5A Audio system 45 MIRROR 10A Power control mirror (Some models) 46 TAIL R 7.5A Taillight (RH), Parking light (RH), License plate lights 47 OBD 10A For protection of various circuits 48 — — — 49 TR/LOCK — — 50 — — — 51 — — — 52 SUN ROOF 20A Moonroof (Some models) 53 WASHER 20A Windshield wiper and washer 54 — — — 55 P/WIND R — — 56 P/WIND L — — 57 ALARM — — 58 M/DEF 7.5A Mirror Defroster (Some models) 59 — — — 60 HEAD LOW R 15A Headlight low beam (RH), Headlight leveling 61 HEAD LOW L 15A Headlight low beam (LH) 62 — — — 63 — — — 64 — — — 65 SAS 10A Supplemental restraint system 66 METER 10A Instrument cluster, Immobilizer system 67 IGNITION 20A ABS (Some models), DSC (Some models), Power steering 68 WIPER 20A Windshield wiper and washer 69 ENGINE 20A For protection of various circuits 70 IG SIG 10A Auto wiper (Some models), Power window switch (Some models) 71 SAS 2 7.5A Seat weight sensor 72 — — — 73 — — — 74 SEAT WARM 20A Seat wanner (Some models) 75 D/LOCK 1 25A Power door lock (Some models) 76 A/C 10A Air conditioner (Some models), Heater control unit 77 P/WIND L 30A Power window (LH) (Some models) 78 P/WIND R 30A Power window (RH) (Some models) 79 BACK 10A Reverse lights 80 SUN ROOF 7.5A Moonroof (Some models) 81 TAILL 7.5A Taillight (LH), Parking light (LH) 82 ILLUMI 7.5A Illumination 83 — — — 84 — — — 85 — — — 86 — — —
[2009] Engine compartment (Without turbocharger) FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 1 FAN 40A Cooling fan 2 P/ST 80A Power steering 3 BTN 40A For protection of various circuits 4 HEAD 40A Headlights 5 PTC — — 6 GLOW/P.SEAT 30A Power seat 7 ABS 1 30A ABS (Some models), DSC (Some models) 8 ABS 2 20A ABS (Some models), DSC (Some models) 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 GLOW 1 — — 15 HEATER 40A Blower motor 16 GLOW 2 — — 17 DEFOG 40A Rear window defroster 18 AUDIO 30A Audio system (BOSE Sound System-equipped model) (Some models) 19 ABS IG 10A ABS (Some models), DSC (Some models) 20 FOG 15A Front fog lights (Some models) 21 HORN 15A Horn 22 DRL 10A DRL (Some models) 23 H/CLEAN — — 24 F/PUMP 15A Fuel pump 25 P/ST IG 10A Power steering 26 A/C MAG 10A Air conditioner (Some models) 27 ALT/TCM 15A TCM (Some models) 28 GLOW SIG — — 29 P.OUTLET 15A Power outlet 30 ENG +B 10A PCM 31 ROOM 15A Interior lights 32 ENG BAR 4 10A O2 sensors (Some models) 33 ENG BAR 3 10A O2 sensors 34 EGI INJ 10A Injector 35 ENG BAR 1 10A For protection of various circuits 36 ENG BAR 2 10A PCM , Fuel pump
(With turbocharger) FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 1 FAN 70A Cooling fan 2 — — — 3 BTN 40A For protection of various circuits 4 HEAD 40A Headlights 5 F/PUMP 30A Fuel pump 6 — — — 7 ABS 1 30A ABS, DSC 8 ABS 2 20A ABS, DSC 9 ENGINE 30A For protection of various circuits 10 INJECTOR 30A Fuel injector 11 IG KEY1 30A Ignition switch 12 STARTER 20A Starter clutch 13 IG KEY2 30A Ignition switch 14 — — — 15 HEATER 40A Blower motor 16 — — — 17 DEFOG 40A Rear window defroster 18 AUDIO 30A Audio system (BOSE Sound System-equipped model) (Some models) 19 ABS IG 10A ABS 20 FOG 15A Front fog lights 21 HORN 15A Horn 22 DRL 10A DRL (Some models) 23 H/CLEAN — — 24 ETC 10A Elec, throttle valve 25 — — — 26 A/C MAG 10A Air conditioner 27 — — — 28 — — — 29 P.OUTLET 15A Power outlet 30 ENG +B 10A PCM 31 ROOM 15A Interior lights 32 — — — 33 ENG BAR 3 10A O2 sensors 34 — — — 35 ENG BAR 1 15A For protection of various circuits 36 ENG BAR 2 10A PCM, Fuel pump
Passenger compartment FUSE NUMBER DESCRIPTION FUSE AMP RATING PROTECTED COMPONENT 37 D/LOCK 2 15A Double locking system (Some models) 38 STOP LAMP/HORN 10A Stop Lamp, Horn 39 HEAD HIGH L 10A Headlight high beam (LH) 40 HEAD HIGH R 10A Headlight high beam (RH) 41 — — — 42 — — — 43 CIGAR 15A Lighter 44 RADIO 7.5A Audio system 45 MIRROR 10A Power control mirror (Some models) 46 TAIL R 7.5A Taillight (RH), Parking light (RH), License plate lights 47 OBD 10A For protection of various circuits 48 — — — 49 TR/LOCK — — 50 — — — 51 — — — 52 SUN ROOF 20A Moonroof (Some models) 53 WASHER 20A Windshield wiper and washer 54 — — — 55 P/WIND R — — 56 P/WIND L — — 57 ALARM — — 58 M/DEF 7.5A Mirror Defroster (Some models) 59 — — — 60 HEAD LOW R 15A Headlight low beam (RH), Headlight leveling 61 HEAD LOW L 15A Headlight low beam (LH) 62 — — — 63 — — — 64 — — — 65 SAS 10A Supplemental restraint system 66 METER 10A Instrument cluster, Immobilizer system 67 IGNITION 20A ABS (Some models), DSC (Some models), Power steering 68 WIPER 20A Windshield wiper and washer 69 ENGINE 20A For protection of various circuits 70 IG SIG 10A Auto wiper (Some models), Power window switch (Some models) 71 SAS 2 7.5A Seat weight sensor 72 — — — 73 — — — 74 SEAT WARM 20A Seat wanner (Some models) 75 D/LOCK 1 25A Power door lock (Some models) 76 A/C 10A Air conditioner (Some models), Heater control unit 77 P/WIND L 30A Power window (LH) (Some models) 78 P/WIND R 30A Power window (RH) (Some models) 79 BACK 10A Reverse lights 80 SUN ROOF 7.5A Moonroof (Some models) 81 TAILL 7.5A Taillight (LH), Parking light (LH) 82 ILLUMI 7.5A Illumination 83 — — — 84 — — — 85 — — — 86 — — —
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.
