Discovering the fuse box diagrams for the Mazda CX-3 spanning from 2015 up to the current model year provides invaluable insights into the inner workings of this subcompact crossover. This article unveils the precise locations of the fuse panels nestled within the confines of the vehicle. Understanding the specific functions assigned to each fuse enhances your comprehension of this automotive marvel.
Table of Contents
Cigar lighter (power outlet) fuse: #5 “F.OUTLET” in the passenger compartment fuse box.
[2015]
Engine compartment
FUSE NUMBER
DESCRIPTION
FUSE AMP RATING
PROTECTED COMPONENT
1
C/U IG1
15 A
For protection of various circuits
2
ENGINE IG1
7.5 A
Engine control system
3
SUNROOF
10 A
Sunroof
4
INTERIOR
15 A
Overhead light
5
ENG+B
7.5 A
Engine control system
6
AUDIO2
15 A
Audio system
7
METER1
10 A
Instrument cluster
8
SRS1
7.5 A
Air bag
9
METER2
7.5 A
Instrument cluster (Some models)
10
RADIO
7.5 A
Audio system
11
ENGINE3
15 A
Engine control system
12
ENGINE1
15 A
Engine control system
13
ENGINE2
15 A
Engine control system
14
AUDIO1
25 A
Audio system
15
A/C MAG
7.5 A
Air conditioner (Some models)
16
AT PUMP
15 A
Transaxle control system (Some models)
17
AT
15 A
Transaxle control system (Some models)
18
D.LOCK
25 A
Power door locks
19
H/L RH
20 A
Headlight (RH)
20
ENG+B2
7.5 A
Engine control system
21
TAIL
20 A
Tail lights, Number plate lights, Position lights
22
—
—
—
23
ROOM
25 A
Overhead light
24
FOG
15 A
Front fog lights (Some models)
25
H/CLEAN
20 A
Headlight washer (Some models)
26
STOP
10 A
Brake lights, Rear fog light (Some models)
27
HORN
15 A
Horn
28
H/L LH
20 A
Headlight (LH)
29
ABS/DSC S
30 A
ABS, Dynamic stability control system (Some models)
30
HAZARD
15 A
Hazard warning flashers, Direction indicator lights
31
FUEL PUMP
15 A
Fuel system (Some models)
32
FUEL WARM
25 A
Fuel warmer (Some models)
33
WIPER
20 A
Front window wiper
34
CABIN+B
50 A
For protection of various circuits
35
FAN2
30 A
—
36
FUEL PUMP
30 A
—
37
ABS/DSC M
50 A
ABS, Dynamic stability control system (Some models)
38
EVVT
20 A
Engine control system (Some models)
39
—
—
—
40
FAN1
30 A
—
41
FAN 3
40 A
Cooling fan (Some models)
42
ENG.MAIN
40 A
Engine control system
43
EPS
60 A
Power steering system (Some models)
44
DEFOG
40 A
Rear window defogger
45
IG2
30 A
For protection of various circuits
46
INJECTOR
30 A
Engine control system (Some models)
47
HEATER
40 A
Air conditioner
48
P. WINDOW 1
30 A
Power windows
49
DCDC DE
40 A
For protection of various circuits (Some models)
Passenger compartment
FUSE NUMBER
DESCRIPTION
FUSE AMP RATING
PROTECTED COMPONENT
1
—
—
—
2
—
—
—
3
—
—
—
4
—
—
—
5
F.OUTLET
15 A
Accessory sockets
6
—
—
—
7
AT IND
7.5 A
AT shift indicator (Some models)
8
MIRROR
7.5 A
Power control mirror
9
—
—
—
10
P.WINDOW2
25 A
Power windows
11
R.WIPER
15 A
Rear window wiper and washer
12
—
—
—
13
—
—
—
14
SRS2/ESCL
15 A
Electronic steering lock
15
SEAT WARM
20 A
Seat warmer (Some models)
16
M.DEF
7.5 A
Mirror defogger (Some models)
[2016/2017]
Engine compartment
FUSE NUMBER
DESCRIPTION
FUSE AMP RATING
PROTECTED COMPONENT
1
C/U IG1
15 A
For protection of various circuits
2
ENGINE IG1
7.5 A
Engine control system
3
SUNROOF
10 A
Moonroof
4
INTERIOR
15 A
Overhead light
5
ENG+B
7.5 A
Engine control system
6
AUDIO2
15 A
Audio system
7
METER1
10 A
Instrument cluster
8
SRS1
7.5 A
Air bag
9
METER2
7.5 A
Instrument cluster (Some models)
10
RADIO
7.5 A
Audio system
11
ENGINE3
15 A
Engine control system
12
ENGINE 1
15 A
Engine control system
13
ENGINE2
15 A
Engine control system
14
AUDIO1
25 A
Audio system
15
A/C MAG
7.5 A
Air conditioner (Some models)
16
AT PUMP
15 A
Transaxle control system (Some models)
17
AT
15 A
Transaxle control system (Some models)
18
D.LOCK
25 A
Power door locks
19
H/L RH
20 A
Headlight (RH)
20
ENG+B2
7.5 A
Engine control system
21
TAIL
20 A
Taillights, License plate lights, Parking lights
22
—
—
—
23
ROOM
25 A
Overhead light
24
FOG
15 A
Fog lights (Some models)
25
H/CLEAN
20 A
—
26
STOP
10 A
Brake lights
27
HORN
15 A
Horn
28
H/L LH
20 A
Headlight (LH)
29
ABS/DSC S
30 A
ABS, Dynamic stability control system (Some models)
30
HAZARD
15 A
Hazard warning flashers, Turn signal lights
31
FUEL PUMP
15 A
Fuel system
32
FUEL WARM
25 A
—
33
WIPER
20 A
Front window wiper
34
CABIN+B
50 A
For protection of various circuits
35
FAN2
30 A
—
36
FUEL PUMP
30 A
—
37
ABS/DSC M
50 A
ABS, Dynamic stability control system (Some models)
38
EVVT
20 A
Engine control system (Some models)
39
—
—
—
40
FAN1
30 A
—
41
FAN3
40 A
Cooling fan
42
ENG.MAIN
40 A
Engine control system
43
EPS
60 A
—
44
DEFOG
40 A
Rear window defogger
45
IG2
30 A
For protection of various circuits
46
INJECTOR
30 A
Engine control system
47
HEATER
40 A
Air conditioner
48
P.WINDOW1
30 A
Power windows
49
DCDC DE
40 A
—
Passenger compartment
FUSE NUMBER
DESCRIPTION
FUSE AMP RATING
PROTECTED COMPONENT
1
—
—
—
2
—
—
—
3
—
—
—
4
—
—
—
5
F.OUTLET
15 A
Accessory sockets
6
—
—
—
7
AT IND
7.5 A
AT shift indicator (Some models)
8
MIRROR
7.5 A
Power control mirror
9
—
—
—
10
P.WINDOW2
25 A
Power windows
11
R.WIPER
15 A
Rear window wiper and washer
12
—
—
—
13
—
—
—
14
SRS2/ESCL
15 A
—
15
SEAT WARM
20 A
Seat warmer (Some models)
16
M.DEF
7.5 A
Mirror defogger (Some models)
[2017 UK/Australia]
Engine compartment
FUSE NUMBER
DESCRIPTION
FUSE AMP RATING
PROTECTED COMPONENT
1
C/U IG1
15 A
For protection of various circuits
2
ENGINE IG1
7.5 A
Engine control system
3
SUNROOF
10 A
Sunroof (Some models)
4
INTERIOR
15 A
Overhead light
5
ENG+B
7.5 A
Engine control system
6
AUDIO2
15 A
Audio system
7
METER1
10 A
Instrument cluster
8
SRS1
7.5 A
Air bag
9
METER2
7.5 A
Instrument cluster (Some models)
10
RADIO
7.5 A
Audio system
11
ENGINE3
15 A
Engine control system
12
ENGINE1
15 A
Engine control system
13
ENGINE2
15 A
Engine control system
14
AUDIO1
25 A
Audio system
15
A/C MAG
7.5 A
Air conditioner
16
AT PUMP
15 A
Transaxle control system (Some models)
17
AT
15 A
Transaxle control system (Some models)
18
D.LOCK
25 A
Power door locks
19
H/L RH
20 A
Headlight (RH)
20
ENG+B2
7.5 A
Engine control system
21
TAIL
20 A
Tail lights, Number plate lights, Position lights
22
ST. HEATER
15 A
Heated steering wheel (Some models)
23
ROOM
25 A
Overhead light
24
FOG
15 A
Front fog lights (Some models)
25
H/CLEAN
20 A
Headlight washer (Some models)
26
STOP
10 A
Brake lights. Rear fog light’
27
HORN
15 A
Horn
28
H/L LH
20 A
Headlight (LH)
29
ABS/DSC S
30 A
ABS, Dynamic stability control system
30
HAZARD
15 A
Hazard warning flashers, Direction indicator lights
31
FUEL PUMP
15 A
Fuel system (Some models)
32
FUEL WARM
25 A
Fuel warmer (Some models)
33
WIPER
20 A
Front window wiper
34
CABIN+B
50 A
For protection of various circuits
35
FAN2
30 A
—
36
FUEL PUMP
30 A
Fuel system (Some models)
37
ABS/DSC M
50 A
ABS, Dynamic stability control system
38
EVVT
20 A
Engine control system (Some models)
39
—
—
—
40
FAN1
30 A
—
41
FAN 3
40 A
Cooling fan
42
ENG.MAIN
40 A
Engine control system
43
EPS
60 A
Power steering system (Some models)
44
DEFOG
40 A
Rear window defogger
45
IG2
30 A
For protection of various circuits
46
INJECTOR
30 A
Engine control system (Some models)
47
HEATER
40 A
Air conditioner
48
P. WINDOW 1
30 A
Power windows
49
DCDC DE
40 A
For protection of various circuits (Some models)
Passenger compartment
FUSE NUMBER
DESCRIPTION
FUSE AMP RATING
PROTECTED COMPONENT
1
—
—
—
2
—
—
—
3
—
—
—
4
—
—
—
5
F.OUTLET
15 A
Accessory sockets
6
—
—
—
7
AT IND
7.5 A
AT shift indicator (Some models)
8
MIRROR
7.5 A
Power control mirror
9
—
—
—
10
P.WINDOW2
25 A
Power windows
11
R. WIPER
15 A
Rear window wiper and washer
12
P.SEAT D
30A
Power seat (Some models)
13
—
—
—
14
SRS2/ESCL
15 A
Electronic steering lock
15
SEAT WARM
20 A
Seat warmer (Some models)
16
M.DEF
7.5 A
Mirror defogger (Some models)
[2018]
Engine compartment
FUSE NUMBER
DESCRIPTION
FUSE AMP RATING
PROTECTED COMPONENT
1
C/U IG1
15 A
For protection of various circuits
2
ENGINE IG1
7.5 A
Engine control system
3
SUNROOF
10 A
Moonroof (Some models)
4
INTERIOR
15 A
Overhead light
5
ENG+B
7.5 A
Engine control system
6
AUDIO2
15 A
Audio system
7
METER1
10 A
Instrument cluster
8
SRS1
7.5 A
Air bag
9
METER2
7.5 A
Instrument cluster (Some models)
10
RADIO
7.5 A
Audio system
11
ENGINE3
15 A
Engine control system
12
ENGINE1
15 A
Engine control system
13
ENGINE2
15 A
Engine control system
14
AUDIO1
25 A
Audio system
15
A/C MAG
7.5 A
Air conditioner (Some models)
16
AT PUMP
15 A
Transaxle control system (Some models)
17
AT
15 A
Transaxle control system (Some models)
18
D.LOCK
25 A
Power door locks
19
H/L RH
20 A
Headlight (RH)
20
ENG+B2
7.5 A
Engine control system
21
TAIL
20 A
Taillights, License plate lights, Parking lights
22
ST. HEATER
15 A
Heated steering wheel (Some models)
23
ROOM
25 A
Overhead light
24
FOG
15 A
Fog lights (Some models)
25
H/CLEAN
20 A
—
26
STOP
10 A
Brake lights
27
HORN
15 A
Horn
28
H/L LH
20 A
Headlight (LH)
29
ABS/DSC S
30 A
ABS, Dynamic stability control system (Some models)
30
HAZARD
15 A
Hazard warning flashers, Turn signal lights
31
FUEL PUMP
15 A
Fuel system
32
FUEL WARM
25 A
—
33
WIPER
20 A
Front window wiper
34
CABIN+B
50 A
For protection of various circuits
35
FAN2
30 A
—
36
FUEL PUMP
30 A
—
37
ABS/DSC M
50 A
ABS, Dynamic stability control system (Some models)
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.
