2015-2021 Mazda CX-3 fuse box diagram

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.

Cigar lighter (power outlet) fuse: #5 “F.OUTLET” in the passenger compartment fuse box.

[2015]

Engine compartment

2015-2021-mazda-CX-3-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1C/U IG115 AFor protection of various circuits
2ENGINE IG17.5 AEngine control system
3SUNROOF10 ASunroof
4INTERIOR15 AOverhead light
5ENG+B7.5 AEngine control system
6AUDIO215 AAudio system
7METER110 AInstrument cluster
8SRS17.5 AAir bag
9METER27.5 AInstrument cluster (Some models)
10RADIO7.5 AAudio system
11ENGINE315 AEngine control system
12ENGINE115 AEngine control system
13ENGINE215 AEngine control system
14AUDIO125 AAudio system
15A/C MAG7.5 AAir conditioner (Some models)
16AT PUMP15 ATransaxle control system (Some models)
17AT15 ATransaxle control system (Some models)
18D.LOCK25 APower door locks
19H/L RH20 AHeadlight (RH)
20ENG+B27.5 AEngine control system
21TAIL20 ATail lights, Number plate lights, Position lights
22
23ROOM25 AOverhead light
24FOG15 AFront fog lights (Some models)
25H/CLEAN20 AHeadlight washer (Some models)
26STOP10 ABrake lights, Rear fog light (Some models)
27HORN15 AHorn
28H/L LH20 AHeadlight (LH)
29ABS/DSC S30 AABS, Dynamic stability control system (Some models)
30HAZARD15 AHazard warning flashers, Direction indicator lights
31FUEL PUMP15 AFuel system (Some models)
32FUEL WARM25 AFuel warmer (Some models)
33WIPER20 AFront window wiper
34CABIN+B50 AFor protection of various circuits
35FAN230 A
36FUEL PUMP30 A
37ABS/DSC M50 AABS, Dynamic stability control system (Some models)
38EVVT20 AEngine control system (Some models)
39
40FAN130 A
41FAN 340 ACooling fan (Some models)
42ENG.MAIN40 AEngine control system
43EPS60 APower steering system (Some models)
44DEFOG40 ARear window defogger
45IG230 AFor protection of various circuits
46INJECTOR30 AEngine control system (Some models)
47HEATER40 AAir conditioner
48P. WINDOW 130 APower windows
49DCDC DE40 AFor protection of various circuits (Some models)

Passenger compartment

2015-2021-mazda-CX-3-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1
2
3
4
5F.OUTLET15 AAccessory sockets
6
7AT IND7.5 AAT shift indicator (Some models)
8MIRROR7.5 APower control mirror
9
10P.WINDOW225 APower windows
11R.WIPER15 ARear window wiper and washer
12
13
14SRS2/ESCL15 AElectronic steering lock
15SEAT WARM20 ASeat warmer (Some models)
16M.DEF7.5 AMirror defogger (Some models)

[2016/2017]

Engine compartment

2015-2021-mazda-CX-3-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1C/U IG115 AFor protection of various circuits
2ENGINE IG17.5 AEngine control system
3SUNROOF10 AMoonroof
4INTERIOR15 AOverhead light
5ENG+B7.5 AEngine control system
6AUDIO215 AAudio system
7METER110 AInstrument cluster
8SRS17.5 AAir bag
9METER27.5 AInstrument cluster (Some models)
10RADIO7.5 AAudio system
11ENGINE315 AEngine control system
12ENGINE 115 AEngine control system
13ENGINE215 AEngine control system
14AUDIO125 AAudio system
15A/C MAG7.5 AAir conditioner (Some models)
16AT PUMP15 ATransaxle control system (Some models)
17AT15 ATransaxle control system (Some models)
18D.LOCK25 APower door locks
19H/L RH20 AHeadlight (RH)
20ENG+B27.5 AEngine control system
21TAIL20 ATaillights, License plate lights, Parking lights
22
23ROOM25 AOverhead light
24FOG15 AFog lights (Some models)
25H/CLEAN20 A
26STOP10 ABrake lights
27HORN15 AHorn
28H/L LH20 AHeadlight (LH)
29ABS/DSC S30 AABS, Dynamic stability control system (Some models)
30HAZARD15 AHazard warning flashers, Turn signal lights
31FUEL PUMP15 AFuel system
32FUEL WARM25 A
33WIPER20 AFront window wiper
34CABIN+B50 AFor protection of various circuits
35FAN230 A
36FUEL PUMP30 A
37ABS/DSC M50 AABS, Dynamic stability control system (Some models)
38EVVT20 AEngine control system (Some models)
39
40FAN130 A
41FAN340 ACooling fan
42ENG.MAIN40 AEngine control system
43EPS60 A
44DEFOG40 ARear window defogger
45IG230 AFor protection of various circuits
46INJECTOR30 AEngine control system
47HEATER40 AAir conditioner
48P.WINDOW130 APower windows
49DCDC DE40 A

Passenger compartment

2015-2021-mazda-CX-3-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1
2
3
4
5F.OUTLET15 AAccessory sockets
6
7AT IND7.5 AAT shift indicator (Some models)
8MIRROR7.5 APower control mirror
9
10P.WINDOW225 APower windows
11R.WIPER15 ARear window wiper and washer
12
13
14SRS2/ESCL15 A
15SEAT WARM20 ASeat warmer (Some models)
16M.DEF7.5 AMirror defogger (Some models)

[2017 UK/Australia]

Engine compartment

2015-2021-mazda-CX-3-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1C/U IG115 AFor protection of various circuits
2ENGINE IG17.5 AEngine control system
3SUNROOF10 ASunroof (Some models)
4INTERIOR15 AOverhead light
5ENG+B7.5 AEngine control system
6AUDIO215 AAudio system
7METER110 AInstrument cluster
8SRS17.5 AAir bag
9METER27.5 AInstrument cluster (Some models)
10RADIO7.5 AAudio system
11ENGINE315 AEngine control system
12ENGINE115 AEngine control system
13ENGINE215 AEngine control system
14AUDIO125 AAudio system
15A/C MAG7.5 AAir conditioner
16AT PUMP15 ATransaxle control system (Some models)
17AT15 ATransaxle control system (Some models)
18D.LOCK25 APower door locks
19H/L RH20 AHeadlight (RH)
20ENG+B27.5 AEngine control system
21TAIL20 ATail lights, Number plate lights, Position lights
22ST. HEATER15 AHeated steering wheel (Some models)
23ROOM25 AOverhead light
24FOG15 AFront fog lights (Some models)
25H/CLEAN20 AHeadlight washer (Some models)
26STOP10 ABrake lights. Rear fog light’
27HORN15 AHorn
28H/L LH20 AHeadlight (LH)
29ABS/DSC S30 AABS, Dynamic stability control system
30HAZARD15 AHazard warning flashers, Direction indicator lights
31FUEL PUMP15 AFuel system (Some models)
32FUEL WARM25 AFuel warmer (Some models)
33WIPER20 AFront window wiper
34CABIN+B50 AFor protection of various circuits
35FAN230 A
36FUEL PUMP30 AFuel system (Some models)
37ABS/DSC M50 AABS, Dynamic stability control system
38EVVT20 AEngine control system (Some models)
39
40FAN130 A
41FAN 340 ACooling fan
42ENG.MAIN40 AEngine control system
43EPS60 APower steering system (Some models)
44DEFOG40 ARear window defogger
45IG230 AFor protection of various circuits
46INJECTOR30 AEngine control system (Some models)
47HEATER40 AAir conditioner
48P. WINDOW 130 APower windows
49DCDC DE40 AFor protection of various circuits (Some models)

Passenger compartment

2015-2021-mazda-CX-3-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1
2
3
4
5F.OUTLET15 AAccessory sockets
6
7AT IND7.5 AAT shift indicator (Some models)
8MIRROR7.5 APower control mirror
9
10P.WINDOW225 APower windows
11R. WIPER15 ARear window wiper and washer
12P.SEAT D30APower seat (Some models)
13
14SRS2/ESCL15 AElectronic steering lock
15SEAT WARM20 ASeat warmer (Some models)
16M.DEF7.5 AMirror defogger (Some models)

[2018]

Engine compartment

2015-2021-mazda-CX-3-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1C/U IG115 AFor protection of various circuits
2ENGINE IG17.5 AEngine control system
3SUNROOF10 AMoonroof (Some models)
4INTERIOR15 AOverhead light
5ENG+B7.5 AEngine control system
6AUDIO215 AAudio system
7METER110 AInstrument cluster
8SRS17.5 AAir bag
9METER27.5 AInstrument cluster (Some models)
10RADIO7.5 AAudio system
11ENGINE315 AEngine control system
12ENGINE115 AEngine control system
13ENGINE215 AEngine control system
14AUDIO125 AAudio system
15A/C MAG7.5 AAir conditioner (Some models)
16AT PUMP15 ATransaxle control system (Some models)
17AT15 ATransaxle control system (Some models)
18D.LOCK25 APower door locks
19H/L RH20 AHeadlight (RH)
20ENG+B27.5 AEngine control system
21TAIL20 ATaillights, License plate lights, Parking lights
22ST. HEATER15 AHeated steering wheel (Some models)
23ROOM25 AOverhead light
24FOG15 AFog lights (Some models)
25H/CLEAN20 A
26STOP10 ABrake lights
27HORN15 AHorn
28H/L LH20 AHeadlight (LH)
29ABS/DSC S30 AABS, Dynamic stability control system (Some models)
30HAZARD15 AHazard warning flashers, Turn signal lights
31FUEL PUMP15 AFuel system
32FUEL WARM25 A
33WIPER20 AFront window wiper
34CABIN+B50 AFor protection of various circuits
35FAN230 A
36FUEL PUMP30 A
37ABS/DSC M50 AABS, Dynamic stability control system (Some models)
38EVVT20 AEngine control system (Some models)
39
40FAN130 A
41FAN340 ACooling fan
42ENG.MAIN40 AEngine control system
43EPS60 A
44DEFOG40 ARear window defogger
45IG230 AFor protection of various circuits
46INJECTOR30 AEngine control system
47HEATER40 AAir conditioner
48P. WINDOW 130 APower windows
49DCDC DE40 A

Passenger compartment

2015-2021-mazda-CX-3-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1
2
3
4
5F.OUTLET15 AAccessory sockets
6
7AT IND7.5 AAT shift indicator (Some models)
8MIRROR7.5 APower control mirror
9
10P.WINDOW225 APower windows
11R.WIPER15 ARear window wiper and washer
12P.SEAT D30 APower seat (Some models)
13
14SRS2/ESCL15 A
15SEAT WARM20 ASeat wanner (Some models)
16M.DEF7.5 AMirror defogger (Some models)

[2019/2020/2021]

Engine compartment

2015-2021-mazda-CX-3-engine-compartment-fuse-box-diagram-carsfuse.com
Fuse NumberNameFuse Amp RatingProtected Component
1C/U IG115 AFor protection of various circuits
2ENGINE IG17.5 AEngine control system
3SUNROOF10 AMoonroof (Some models)
4INTERIOR15 AOverhead light, Audio system
5ENG+B7.5 AEngine control system
6AUDIO2
ENGINE4
15 AEngine control system
7METER110 AInstrument cluster
8SRS17.5 AAir bag
9METER27.5 A
10RADIO7.5 AAudio system
11ENGINE315 AEngine control system
12ENGINE 115 A
13ENGINE215 AEngine control system
14AUDIO125 AAudio system
15A/C MAG7.5 AAir conditioner
16AT PUMP15 A
17AT15 ATransaxle control system
18D.LOCK25 APower door locks
19H/L RH20 AHeadlight (RH)
20ENG+B27.5 AEngine control system
21TAIL20 ATaillights, License plate lights, Parking lights
22ST. HEATER15 A/20AHeated steering wheel (Some models), Headlight (Some models)
23ROOM25 AOverhead light
24FOG15 AFog lights (Some models)
25H/CLEAN20 A
26STOP10 ABrake lights
27HORN15 AHorn
28H/L LH20 AHeadlight (LH)
29ABS/DSC S30 AABS, Dynamic stability control system
30HAZARD15 AHazard warning flashers, Turn signal lights
31FUEL PUMP SCR15 AFuel system
32FUEL WARM25 A
33WIPER20 AFront window wiper
34CABIN+B50 AFor protection of various circuits
35FAN 2
EPBL
30 AElectric parking brake (LH)
36FUEL PUMP30 A
37ABS/DSC M50 AABS, Dynamic stability control system
38EVVT20 AEngine control system
39
40FAN1
EPBR
30 AElectric parking brake (RH)
41FAN340 ACooling fan
42ENG.MAIN40 AEngine control system
43EPS60 A
44DEFOG40 ARear window defogger
45IG230 AFor protection of various circuits
46INJECTOR
ENG.SUB
30 AEngine control system
47HEATER40 AAir conditioner
48P. WINDOW 130 APower windows
49DCDC DE40 A

Passenger compartment

2015-2021-mazda-CX-3-passenger-compartment-fuse-box-diagram-carsfuse.com
Fuse NumberNameFuse Amp RatingProtected Component
1
2
3AUDIO215 AAudio system
4ST.HEATER10 AHeated steering system
5F.OUTLET15 AAccessory sockets
6
7AT IND7.5 AAT shift indicator
8MIRROR7.5 APower control mirror
9
10P.WINDOW225 APower windows
11R.WIPER15 ARear window wiper and washer
12P.SEAT D30 APower seat
13
14SRS2/ESCL15 A
15SEAT WARM20 ASeat wanner
16M.DEF7.5 AMirror de fogger
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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.

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