2003-2009 Mazda 3 fuse box diagram (BK)

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

2003-2009-mazda-3-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FAN40ACooling fan
2P/ST80AEHPAS
3BTN40AFor protection of various circuits
4HEAD40AHeadlights
5PTC80A
6GLOW60A
7ABS 130AABS (Some models)
8ABS 220AABS (Some models)
9ENGINE30AFor protection of various circuits
10
11IG KEY 130AIgnition switch
12STARTER20AStarter clutch
13IG KEY 230AIgnition switch
14
15HEATER40ABlower motor
16
17DEFOG40ARear window-defroster
18
19ABS IG10AABS (Some models)
20FOG15AFog lights (Some models)
21HORN15AHorn
22
23H/CLEAN20A
24F/PUMP15AFuel pump
25P/ST IG10APower steering
26A/C MAG10AAir conditioner
27ALT10A
28
29
30ENG +B10APCM
31ROOM15AInterior lights
32ENG BAR 410AO 2 heater
33ENG BAR 310AO 2 heater
34EGI INJ10AInjector
35ENG BAR 110AAir flow sensor
36ENG BAR 210AEGR control valve

Passenger compartment

2003-2009-mazda-3-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
37D/LOCK 215APower door lock
38
39HEAD HIGH L10AHeadlight high beams (LH)
40HEAD HIGH R10AHeadlight high beams (RH)
41
42
43CIGAR15ALighter
44RADIO7.5AAudio system
45MIRROR10APower control mirror
46TAIL R7.5ATaillight (RH), Parking lights (RH) License plate lights
47OBD10AFor protection of various circuits
48
49TR/LOCK20A
50CPU PWR10AControl unit
51HAZARD15ATurn signals. Hazard warning flashers
52SUN ROOF20AMoonroof
53WASHER20AFront washer. Rear window wiper and washer
54
55P/WIND R30A
56P/WIND L30A
57ALARM7.5A
58M/DEF7.5AMirror Defroster
59
60HEAD LOW R15AHeadlight low-beams (RH), Headlight leveling (Some models)
61HEAD LOW L15AHeadlight low-beams (LH)
62
63
64
65SAS10ASupplemental restraint system
66METER10AInstrument cluster. Immobilizer system, Shift lock system
67IGNITION20AABS\ EH PAS (Some models)
68WIPER20AWindshield wiper
69ENGINE20AFor protection of various circuits
70IG SIG10AAuto wiper (Some models)
71SAS 27.5ASupplemental restraint system
72
73
74SEAT WARM20A
75D/LOCK 125APower door lock
76A/C10AAir conditioner, Heater control unit
77P/WIND L30APower window (LH) (Some models)
78P/WIND R30APower window (RH) (Some models)
79BACK10AReverse lights
80SUN ROOF7.5AMoonroof (Some models)
81TAILL7.5ATaillights (LH), Parking lights (LH)
82ILLUMI7.5AIllumination
83
84
85
86

[2006]

Engine compartment

2003-2009-mazda-3-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FAN40 ACooling fan
2P/ST80 AEHPAS
3BTN40 AFor protection of various circuits
4HEAD40 AHeadlights
5PTC80 A
6GLOW60 A
7ABS 130 AABS (Some models)
8ABS 220 AABS (Some models)
9ENGINE30 AFor protection of various circuits
10
11IG KEY 130 AIgnition switch
12STARTER20 AStarter clutch
13IG KEY 230 AIgnition switch
14
15HEATER40 ABlower motor
16
17DEFOG40 ARear window defroster
18AUDIO30 AAudio system (BOSE Sound System-equipped model)
19ABS IG10AABS (Some models)
20FOG15 AFog lights (Some models)
21HORN15 AHorn
22
23H/CLEAN20 A
24F/PUMP15 AFuel pump
25P/ST IG10APower steering
26A/C MAG10AAir conditioner
27TCM15ATransmission control module
28
29
30ENG +B10APCM
31ROOM15 AInterior lights
32ENG BAR 410AO2 heater
33ENG BAR 310AO2 heater
34EGI INJ10AInjector
35ENG BAR 110AAir flow sensor
36ENG BAR 210AEGR control valve

Passenger compartment

2003-2009-mazda-3-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
37D/LOCK 215 APower door lock
38STOP10AStop lights
39HEAD HIGH L10AHeadlight high beams (LH)
40HEAD HIGH R10AHeadlight high beams (RH)
41
42
43CIGAR15 ALighter
44RADIO7.5 AAudio system
45MIRROR10APower control mirror
46TAIL R7.5 ATaillight (RH), Parking lights (RH) License plate lights
47OBD10AFor protection of various circuits
48
49TR/LOCK20 A
50CPU PWR10AControl unit
51HAZARD15 ATurn signals, Hazard warning flashers
52SUN ROOF20 AMoonroof (Some models)
53WASHER20 AFront washer, Rear window wiper and washer
54
55P/WIND R30 A
56P/WIND L30 A
57ALARM7.5 A
58M/DEF7.5 AMirror Defroster
59
60HEAD LOW R15 AHeadlight low beams (RH), Headlight leveling (Some models)
61HEAD LOW L15 AHeadlight low beams (LH)
62
63
64
65SAS10ASupplemental restraint system
66METER10AInstrument cluster. Immobilizer system. Shift lock system
67IGNITION20 AABS (Some models), EHPAS
68WIPER20 AWindshield wiper
69ENGINE20 AFor protection of various circuits
70IG SIG10AAuto wiper (Some models)
71SAS 27.5 ASupplemental restraint system
72
73
74SEAT WARM20 A
75D/LOCK 125 APower door lock
76A/C10AAir conditioner, Heater control unit
77P/WIND L30 APower window (LH) (Some models)
78P/WIND R30 APower window (RH)
79BACK10AReverse lights
80SUN ROOF7.5 AMoonroof (Some models)
81TAILL7.5 ATaillights (LH), Parking lights (LH)
82ILLUMI7.5 AIllumination
83
84
85
86

[2007/2008]

Engine compartment

2003-2009-mazda-3-engine-compartment-fuse-box-diagram-carsfuse.com

(Without turbocharger)

FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FAN40ACooling fan
2P/ST80APower steering
3BTN40AFor protection of various circuits
4HEAD40AHeadlights
5PTC
6GLOW
7ABS 130AABS (Some models), DSC (Some models)
8ABS 220AABS (Some models), DSC (Some models)
9ENGINE30AFor protection of various circuits
10
11IG KEY 130AIgnition switch
12STARTER20AStarter clutch
13IG KEY 230AIgnition switch
14GLOW 1
15HEATER40ABlower motor
16GLOW 2
17DEFOG40ARear window defroster
18AUDIO30AAudio system (BOSE Sound System-equipped model)
19ABS IG10AABS (Some models), DSC (Some models)
20FOG15AFront fog lights (Some models)
21HORN15AHorn
22DRL10ADRL (Some models)
23H/CLEAN
24F/PUMP15AFuel pump
25P/ST IG10APower steering
26A/C MAG10AAir conditioner (Some models)
27ALT/TCM10A/15ATCM (Some models)
28GLOW SIG
29P.OUTLETPower outlet
30ENG +B10APCM
31ROOM15AInterior lights
32ENG BAR 410AO2 sensors (Some models)
33ENG BAR 310AO2 sensors
34EGI INJ10AInjector
35ENG BAR 110AFor protection of various circuits
36ENG BAR 210APCM, Fuel pump

(With turbocharger)

FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FAN70ACooling fan
2
3BTN40AFor protection of various circuits
4HEAD40AHeadlights
5F/PUMP30AFuel pump
6
7ABS 130AABS, DSC
8ABS 220AABS, DSC
9ENGINE30AFor protection of various circuits
10INJECTOR30AFuel injector
11IG KEY 130AIgnition switch
12STATER20AStarter clutch
13IG KEY230AIgnition switch
14
15HEATER40ABlower motor
16
17DEFOG40ARear window deforester
18AUDIO30AAudio system (BOSE Sound System-equipped model)
19ABS IG10AABS
20FOG15AFront fog lights
21HORN15AHorn
22DRL10ADRL (Some models)
23H/CLEAN
24ETC10AElec, throttle valve
25
26A/C MAG10AAir conditioner
27
28
29P.OUTLET15APower outlet
30ENG +B10APCM
31ROOM15AInterior lights
32
33ENG BAR 310AO2 sensors
34
35ENG BAR 115AFor protection of various circuits
36ENG BAR 210APCM, Fuel pump

Passenger compartment

2003-2009-mazda-3-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
37D/LOCK 215ADouble locking system (Some models)
38STOP LAMP/HORN10AStop Lamp, Horn
39HEAD HIGH L10AHeadlight high beam (LH)
40HEAD HIGH R10AHeadlight high beam (RH)
41
42
43CIGAR15ALighter
44RADIO7.5AAudio system
45MIRROR10APower control mirror (Some models)
46TAIL R7.5ATaillight (RH), Parking light (RH), License plate lights
47OBD10AFor protection of various circuits
48
49TR/LOCK
50
51
52SUN ROOF20AMoonroof (Some models)
53WASHER20AWindshield wiper and washer
54
55P/WIND R
56P/WIND L
57ALARM
58M/DEF7.5AMirror Defroster (Some models)
59
60HEAD LOW R15AHeadlight low beam (RH), Headlight leveling
61HEAD LOW L15AHeadlight low beam (LH)
62
63
64
65SAS10ASupplemental restraint system
66METER10AInstrument cluster, Immobilizer system
67IGNITION20AABS (Some models), DSC (Some models), Power steering
68WIPER20AWindshield wiper and washer
69ENGINE20AFor protection of various circuits
70IG SIG10AAuto wiper (Some models), Power window switch (Some models)
71SAS 27.5ASeat weight sensor
72
73
74SEAT WARM20ASeat wanner (Some models)
75D/LOCK 125APower door lock (Some models)
76A/C10AAir conditioner (Some models), Heater control unit
77P/WIND L30APower window (LH) (Some models)
78P/WIND R30APower window (RH) (Some models)
79BACK10AReverse lights
80SUN ROOF7.5AMoonroof (Some models)
81TAILL7.5ATaillight (LH), Parking light (LH)
82ILLUMI7.5AIllumination
83
84
85
86

[2009]

Engine compartment

2003-2009-mazda-3-engine-compartment-fuse-box-diagram-carsfuse.com

(Without turbocharger)

FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FAN40ACooling fan
2P/ST80APower steering
3BTN40AFor protection of various circuits
4HEAD40AHeadlights
5PTC
6GLOW/P.SEAT30APower seat
7ABS 130AABS (Some models), DSC (Some models)
8ABS 220AABS (Some models), DSC (Some models)
9ENGINE30AFor protection of various circuits
10
11IG KEY 130AIgnition switch
12STARTER20AStarter clutch
13IG KEY 230AIgnition switch
14GLOW 1
15HEATER40ABlower motor
16GLOW 2
17DEFOG40ARear window defroster
18AUDIO30AAudio system (BOSE Sound System-equipped model) (Some models)
19ABS IG10AABS (Some models), DSC (Some models)
20FOG15AFront fog lights (Some models)
21HORN15AHorn
22DRL10ADRL (Some models)
23H/CLEAN
24F/PUMP15AFuel pump
25P/ST IG10APower steering
26A/C MAG10AAir conditioner (Some models)
27ALT/TCM15ATCM (Some models)
28GLOW SIG
29P.OUTLET15APower outlet
30ENG +B10APCM
31ROOM15AInterior lights
32ENG BAR 410AO2 sensors (Some models)
33ENG BAR 310AO2 sensors
34EGI INJ10AInjector
35ENG BAR 110AFor protection of various circuits
36ENG BAR 210APCM , Fuel pump

(With turbocharger)

FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FAN70ACooling fan
2
3BTN40AFor protection of various circuits
4HEAD40AHeadlights
5F/PUMP30AFuel pump
6
7ABS 130AABS, DSC
8ABS 220AABS, DSC
9ENGINE30AFor protection of various circuits
10INJECTOR30AFuel injector
11IG KEY130AIgnition switch
12STARTER20AStarter clutch
13IG KEY230AIgnition switch
14
15HEATER40ABlower motor
16
17DEFOG40ARear window defroster
18AUDIO30AAudio system (BOSE Sound System-equipped model) (Some models)
19ABS IG10AABS
20FOG15AFront fog lights
21HORN15AHorn
22DRL10ADRL (Some models)
23H/CLEAN
24ETC10AElec, throttle valve
25
26A/C MAG10AAir conditioner
27
28
29P.OUTLET15APower outlet
30ENG +B10APCM
31ROOM15AInterior lights
32
33ENG BAR 310AO2 sensors
34
35ENG BAR 115AFor protection of various circuits
36ENG BAR 210APCM, Fuel pump

Passenger compartment

2003-2009-mazda-3-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
37D/LOCK 215ADouble locking system (Some models)
38STOP LAMP/HORN10AStop Lamp, Horn
39HEAD HIGH L10AHeadlight high beam (LH)
40HEAD HIGH R10AHeadlight high beam (RH)
41
42
43CIGAR15ALighter
44RADIO7.5AAudio system
45MIRROR10APower control mirror (Some models)
46TAIL R7.5ATaillight (RH), Parking light (RH), License plate lights
47OBD10AFor protection of various circuits
48
49TR/LOCK
50
51
52SUN ROOF20AMoonroof (Some models)
53WASHER20AWindshield wiper and washer
54
55P/WIND R
56P/WIND L
57ALARM
58M/DEF7.5AMirror Defroster (Some models)
59
60HEAD LOW R15AHeadlight low beam (RH), Headlight leveling
61HEAD LOW L15AHeadlight low beam (LH)
62
63
64
65SAS10ASupplemental restraint system
66METER10AInstrument cluster, Immobilizer system
67IGNITION20AABS (Some models), DSC (Some models), Power steering
68WIPER20AWindshield wiper and washer
69ENGINE20AFor protection of various circuits
70IG SIG10AAuto wiper (Some models), Power window switch (Some models)
71SAS 27.5ASeat weight sensor
72
73
74SEAT WARM20ASeat wanner (Some models)
75D/LOCK 125APower door lock (Some models)
76A/C10AAir conditioner (Some models), Heater control unit
77P/WIND L30APower window (LH) (Some models)
78P/WIND R30APower window (RH) (Some models)
79BACK10AReverse lights
80SUN ROOF7.5AMoonroof (Some models)
81TAILL7.5ATaillight (LH), Parking light (LH)
82ILLUMI7.5AIllumination
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.

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