The 2008 Mazda 3 vehicle’s electrical system is protected by fuses. If any lights, accessories, or controls don’t work, inspect the appropriate circuit protector. If a fuse has blown, the inside element will be melted. Note: If the same fuse blows again, avoid using that system and consult an Authorized
Mazda Dealer as soon as possible.

The following schematic diagram shows 2008 Mazda 3 (without turbocharger) Engine Compartment Fuse Panel, description, fuse rating and protected component.

2008 Mazda 3 Fuse Panel Schematic Diagram

Fuse Fuse Rating Circuit Protected

FAN
P/ST
BTN
HEAD
PTC
GLOW
ABS 1
ABS 2
ENGINE

IG KEY 1
STARTER
IG KEY 2
GLOW 1
HEATER
GLOW 2
DEFOG
AUDIO
ABS IG
FOG
HORN
DRL
H/CLEAN
F/PUMP
P/ST IG
A/C MAG
ALT/TCM
GLOW SIG
P/OUTLET
ENG +B
ROOM
ENG BAR 4
ENG BAR 3
EGI INJ
ENG BAR 1
ENG BAR 2

40A
80A
40A
40A


30A
20A
30A

30A
20A
30A

40A

40A
30A
10A
15A
15A
10A

15A
10A
10A
10A/15A


10A
15A
10A
10A
10A
10A
10A

Cooling fan
Power steering
For protection of various circuits
Headlights


ABS*, DSC*
ABS*, DSC*
For protection of various circuits

Ignition switch
Starter clutch
Ignition switch

Blower motor

Rear window defroster
Audio system
ABS*, DSC*
Front fog lights*
Horn
DRL*

Fuel pump
Power steering
Air conditioner*
TCM*

Power outlet
PCM
Interior lights
O2 sensors*
O2 sensors*
Injector
For protection of various circuits
PCM, Fuel pump

* Some models.



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