Mazda 3 (2008) – fuse box diagram

Year of production: 2008

Position	Description	Fuse rating [A]	Protected component
1	FAN	40	Cooling fan
2	P/ST	80	Power steering
3	BTN	40	For protection of various circuits
4	HEAD	40	Headlights
5	PTC	80	—
6	GLOW	60	—
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	—	—	—
15	HEATER	40	Blower motor
16	—	—	—
17	DEFOG	40	Rear window defroster
18	AUDIO	30	Audio system (BOSE Sound System-equipped model)
19	ABS IG	10	ABS, DSC
20	FOG	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	TCM	10/15	TCM*
28	GLOW SIG	—	—
29	P.OUTLET	—	Power outlet
30	ENG +B	10	PCM
31	ROOM	15	Interior lights
32	ENG BAR 4	10	O2 sensors*
33	ENG BAR 3	10	O2 sensors
34	EGI INJ	10	Injector
35	ENG BAR 1	10	For protection of various circuits
36	ENG BAR 2	10	PCM, Fuel pump
* Some models

Position	Description	Fuse rating [A]	Protected component
1	FAN	70	Cooling fan
2	—	—	—
3	BTN	40	For protection of various circuits
4	HEAD	40	Headlights
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	INJECTOR	30	Fuel injector
11	IG KEY 1	30	Ignition switch
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 (BOSE Sound System-equipped model)
19	ABS IG	10	ABS
20	FOG	15	Front fog lights
21	HORN	15	Horn
22	DRL	10	DRL*
23	H/CLEAN	20	—
24	ETC	15	Elec. throttle valve
25	—	—	—
26	A/C MAG	10	Air conditioner
27	—	—	—
28	—	—	—
29	P.OUTLET	15	Power outlet
30	ENG +B	10	PCM
31	ROOM	15	Interior lights
32	—	—	—
33	ENG BAR 3	10	O2 sensors
34	—	—	—
35	ENG BAR 1	15	For protection of various circuits
36	ENG BAR 2	10	PCM, Fuel pump
* Some models

Position	Description	Fuse rating [A]	Protected component
37	D/LOCK 2	15	Double locking system*
38	STOP LAMP/HORN	10	Stop Lamp, Horn
39	HEAD HIGH L	10	Headlight high beams (LH)
40	HEAD HIGH R	10	Headlight high beams (RH)
41	—	—	—
42	—	—	—
43	CIGAR	15	Lighter
44	RADIO	7,5	Audio system
45	MIRROR	10	Power control mirror*
46	TAIL R	7,5	Taillight (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	Moonroof*
53	WASHER	20	Front washer, Rear window wiper and washer
54	—	—	—
55	P/WIND R	—	—
56	P/WIND L	—	—
57	ALARM	7,5	—
58	M/DEF	7,5	Mirror Defroster*
59	—	—	—
60	HEAD LOW R	15	Headlight low beams (RH), Headlight leveling*
61	HEAD LOW L	15	Headlight low beams (LH)
62	—	—	—
63	—	—	—
64	—	—	—
65	SAS	10	Supplemental restraint system
66	METER	10	Instrument cluster, immobilizer system
67	IGNITION	20	ABS, DSC, Power steering
68	WIPER	20	Windshield wiper and washer
69	ENGINE	20	For protection of various circuits
70	IG SIG	10	Auto wiper, Power window switch
71	SAS 2	7,5	Seat weight sensor
72	—	—	—
73	—	—	—
74	SEAT WARM	20	Seat warmer*
75	D/LOCK 1	25	Power door lock*
76	A/C	10	Air conditioner *, Heater control unit
77	P/WIND L	30	Power window (LH)*
78	P/WIND R	30	Power window (RH)*
79	BACK	10	Reverse lights
80	SUN ROOF	7,5	Moonroof*
81	TAIL L	7,5	Taillights (LH), Parking lights (LH)
82	ILLUMI	7,5	Illumination
83	—	—	—
84	—	—	—
85	—	—	—
86	—	—	—
* Some models

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.