2007 Mazda 3 Fuse Box Diagram

This article covers the first-generation Mazda 3 (BK) from 2003 to 2009. It includes fuse box diagrams, shows where the fuse panels are inside the car, and explains what each fuse does.

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.

Engine compartment

Without turbocharger

Fuse or relay number	Description	Fuse amp rating	Protected Components
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*, DSC*
8	ABS 2	20A	ABS*, DSC*
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*, DSC*
20	FOG	15A	Front fog lights*
21	HORN	15A	Horn
22	DRL	10A	DRL*
23	H/CLEAN	–	–
24	F/PUMP	15A	Fuel pump
25	P/ST IG	10A	Power steering
26	A/C MAG	10A	Air conditioner*
27	ALT/TCM	10A/15A	TCM*
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*
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 or relay number	Description	Fuse amp rating	Protected Components
1	FAN	70A	Cooling fan
2	–	–	–
3	BTN	40A	For the 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 the 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*
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

Fuse block (Passenger’s side)

Fuse or relay number	Descreption	Fuse amp rating	Protected Components
37	D/LOCK 2	15A	Double locking system*
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*
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*
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*
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*, DSC*, Power steering
68	WIPER	20A	Windshield wiper and washer
69	ENGINE	20A	For the protection of various circuits
70	IG SIG	10A	Auto wiper*, Power window switch*
71	SAS 2	7.5A	Seat weight sensor
72	–	–	–
73	–	–	–
74	SEAT WARM	20A	Seat wanner*
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	TAILL	7.5A	Taillight (LH), Parking light (LH)
82	ILLUMI	7.5A	Illumination
83	–	–	–
84	–	–	–
85	–	–	–
86	–	–	–

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