Your vehicle's electrical system is protected by fuses.
If any lights, accessories, or controls do not work, inspect the appropriate circuit protector. If a fuse has blown, the inside element will be melted.
If the same fuse blows again, avoid using that system and consult an Authorized Mazda Dealer as soon as possible.
Replacing the fuses on the vehicle's left side
If the electrical system does not work, first inspect the fuses on the vehicle's left side.
Make sure the ignition is switched off, and other switches are off.
Open the fuse panel cover.
Pull the fuse straight out with the fuse puller provided on the fuse block located in the engine compartment.
Inspect the fuse and replace it if it is blown.
Insert a new fuse of the same amperage rating, and make sure it fits tightly. If it does not fit tightly, have an expert install it. We recommend an Authorized Mazda Dealer.
If you have no spare fuses, borrow one of the same rating from a circuit not essential to vehicle operation, such as the AUDIO or OUTLET circuit.
Always replace a fuse with a genuine Mazda fuse or equivalent of the same rating. Otherwise you may damage the electric system.
Reinstall the cover and make sure that it is securely installed.
Replacing the fuses under the hood
If the headlights or other electrical components do not work and the fuses in the cabin are normal, inspect the fuse block under the hood. If a fuse is blown, it must be replaced. Follow these steps:
Make sure the ignition is switched off, and other switches are off.
Remove the fuse block cover.
If any fuse but the MAIN fuse is blown, replace it with a new one of the same amperage rating.
Do not replace the main fuse and multiplex slow blow fuse by yourself. Have an Authorized Mazda Dealer perform the replacement:
Replacing these fuses by yourself is dangerous because they are high current fuses. Incorrect replacement could cause an electrical shock or a short circuit resulting in a fire.
Reinstall the cover and make sure that it is securely installed.
Fuse block (Engine compartment)
DESCRIPTION |
FUSE RATING |
PROTECTED COMPONENT |
|
---|---|---|---|
1 |
WIPER.DEI |
20 A |
― |
2 |
IG2 |
30 A |
For protection of various circuits |
3 |
INJECTOR |
30 A |
Engine control system |
4 |
― |
― |
― |
5 |
P.WINDOW1 |
30 A |
Power windows (Some Models) |
6 |
― |
― |
― |
7 |
― |
― |
― |
8 |
EVVT |
20 A |
Engine control system |
9 |
DEFOG |
40 A |
Rear window defogger |
10 |
― |
― |
― |
11 |
R.HEATER |
40 A |
Air conditioner |
12 |
EPB L |
20 A |
Electric parking brake (LH) |
13 |
AUDIO |
40 A |
Audio system |
14 |
EPB R |
20 A |
Electric parking brake (RH) |
15 |
ENG.MAIN |
40 A |
Engine control system |
16 |
ABS/DSC M |
50 A |
ABS, Dynamic stability control system |
17 |
![]() |
50 A |
For protection of various circuits |
18 |
WIPER |
20 A |
Front window wiper and washer |
19 |
HEATER |
40 A |
Air conditioner |
20 |
― |
― |
― |
21 |
ENGINE.IG1 |
7.5 A |
Engine control system |
22 |
C/U IG1 |
15 A |
For protection of various circuits |
23 |
H/L LOW L |
15 A |
Headlight low beam (LH) |
24 |
H/L LOW R1 |
15 A |
― |
25 |
ENGINE3 |
15 A |
Engine control system |
26 |
ENGINE2 |
15 A |
Engine control system |
27 |
ENGINE1 |
15 A |
Engine control system |
28 |
AT |
15 A |
Transaxle control system |
29 |
H/CLEAN |
20 A |
― |
30 |
A/C |
7.5 A |
Air conditioner |
31 |
AT PUMP |
15 A |
― |
32 |
STOP |
10 A |
Brake lights |
33 |
R.WIPER |
15 A |
Rear window wiper |
34 |
H/L HI |
20 A |
Headlight high beam |
35 |
H/L LOW R2 |
15 A |
Headlight low beam (RH) |
36 |
FOG |
15 A |
Fog lights (Some Models) |
37 |
![]() |
7.5 A |
Engine control system |
38 |
AUDIO2 |
7.5 A |
Audio system |
39 |
INTERIOR |
10 A |
Overhead light |
40 |
METER2 |
15 A |
― |
41 |
METER1 |
10 A |
Instrument cluster |
42 |
SRS1 |
7.5 A |
Air bag |
43 |
AUDIO4 |
10 A |
Audio system (Some Models) |
44 |
AUDIO1 |
25 A |
Audio system |
45 |
ABS/DSC S |
30 A |
ABS, Dynamic stability control system |
46 |
― |
― |
― |
47 |
ST.HEATER |
15 A |
Heated steering wheel (Some Models) |
48 |
TAIL |
15 A |
Parking lights |
49 |
FUEL PUMP2 |
25 A |
Fuel system |
50 |
HAZARD |
25 A |
Hazard warning flashers, Turn signal lights, Taillights |
51 |
DRL |
15 A |
Daytime running lights |
52 |
R.OUTLET2 |
15 A |
Accessory sockets |
53 |
HORN |
15 A |
Horn |
54 |
ROOM |
25 A |
For protection of various circuits |
Fuse block (Left side)
DESCRIPTION |
FUSE RATING |
PROTECTED COMPONENT |
|
---|---|---|---|
1 |
P.SEAT D |
30 A |
Power seat (Some Models) |
2 |
P.WINDOW3 |
30 A |
Power windows (Some Models) |
3 |
R.OUTLET3 |
15 A |
Accessory sockets |
4 |
P.WINDOW2 |
25 A |
Power windows |
5 |
PLG |
20 A |
Power liftgate |
6 |
D.LOCK |
25 A |
Power door locks |
7 |
SEAT WARM |
20 A |
Seat warmer |
8 |
SRS2/ESCL |
15 A |
― |
9 |
SUNROOF |
10 A |
Moonroof |
10 |
INTERIOR2 |
15 A |
Audio system |
11 |
![]() |
7.5 A |
Engine control system |
12 |
MIRROR |
7.5 A |
Power control mirror |
13 |
AT IND |
7.5 A |
AT shift indicator |
14 |
F.OUTLET |
15 A |
Accessory sockets |
15 |
R.OUTLET1 |
15 A |
― |
16 |
― |
― |
― |
17 |
M.DEF |
7.5 A |
Mirror defogger |
18 |
― |
― |
― |
19 |
AUDIO3 |
15 A |
Audio system |
20 |
― |
― |
― |
21 |
P.SEAT P |
30 A |
Power seat (Some Models) |