Mazda CX-3 (2015-2019..) fuses

Fuse box diagram (location and assignment of electrical fuses) for Mazda CX-3 (2015, 2016, 2017, 2018, 2019-…)

Fuse box diagram: Mazda CX-3 (2015-2019..)

2015
2016, 2017
2017 UK, Australia
2018
2019

Fuse box location

If the electrical system does not work, first inspect the fuses on the left side kick-panel.

If the headlights or other electrical components do not work and the fuses in the cabin are normal, inspect the fuse block under the bonnet.

Fuse box in passenger compartment

The fuse box is located on the left side of the vehicle, under the dashboard, near the doorThe location of the fuses in the passenger compartment: Mazda CX-3 (2015-2019-...)

Fuse box in engine compartment

The location of the fuses in the engine compartment: Mazda CX-3 (2015-2019-...)

Fuse box diagrams 2015

Engine compartment

Under-hood fuse box diagram: Mazda CX-3 (2015)

Assignment of the fuses in the engine compartment fuse box (2015)
DESCRIPTIONFUSE 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

Interior fuse box diagram: Mazda CX-3 (2015)

Assignment of the fuses in the passenger compartment (2015)
DESCRIPTIONFUSE 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)

Fuse box diagrams 2016, 2017

Engine compartment

Under-hood fuse box diagram: Mazda CX-3 (2016, 2017)

Assignment of the fuses in the engine compartment fuse box (2016, 2017)
DESCRIPTIONFUSE 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

Interior fuse box diagram: Mazda CX-3 (2016, 2017)

Assignment of the fuses in the passenger compartment (2016, 2017)
DESCRIPTIONFUSE 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)

Fuse box diagrams 2017 UK, Australia

Engine compartment

Under-hood fuse box diagram: Mazda CX-3 (UK, 2017)

Assignment of the fuses in the engine compartment fuse box (2017 UK, Australia)
DESCRIPTIONFUSE RATINGPROTEC TED 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

Interior fuse box diagram: Mazda CX-3 (UK, 2017)

Assignment of the fuses in the passenger compartment (2017 UK, Australia)
DESCRIPTIONFUSE RATINGPROTEC TED 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)

Fuse box diagrams 2018

Engine compartment

Under-hood fuse box diagram: Mazda CX-3 (2018)

Assignment of the fuses in the engine compartment fuse box (2018)
DESCRIPTIONFUSE 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

Interior fuse box diagram: Mazda CX-3 (2018)

Assignment of the fuses in the passenger compartment (2018)
DESCRIPTIONFUSE 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)

Fuse box diagrams 2019

Engine compartment

Under-hood fuse box diagram: Mazda CX-3 (2018)

Assignment of the fuses in the engine compartment fuse box (2019)
Fuse NameFuse 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

Interior fuse box diagram: Mazda CX-3 (2018)

Assignment of the fuses in the passenger compartment fuse box (2019)
Fuse NameFuse 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
What a blown fuse looks like?

If the wire is broken, the fuse is blown (but sometimes a fuse can look completely normal and still be blown and in need of replacement).
Mazda CX-3 (2015-2019..) fuses May 8, 2019 admin