2014-2018 Mazda 3 (BM/BN) fuse box diagram

Got a third-gen Mazda 3 from 2014 to 2018? Great! I’ll guide you through locating and understanding the fuse boxes inside. They’re vital for your car’s electrical systems. With clear diagrams, you’ll know precisely what each fuse controls. So, whether it’s lights or stereo trouble, we’ve got you covered! Let’s decode those fuses and keep your Mazda running smoothly.

Cigar lighter (power outlet) fuses: #5 “R.OUTLET3” and #11 “F.OUTLET” in the passenger compartment fuse box.

[2014]

Engine compartment

2014-2018-mazda-3-bm-bn-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FOG15 AFog lights (Some models)
2H/L HI20 AHeadlight high beam (Some models)
3H/CLEAN20 A
4STOP10 ABrake lights
5ROOM15 AOverhead light
6ENG+B7.5 AEngine control system
7FUEL WARM
8HAZARD25 AHazard warning flashers, Turn signal lights
9ABS/DSCS30 AABS, Dynamic stability control system
10METER2
11AUDIO27.5 AAudio system
12BOSE25 ABose Sound System-equipped model (Some models)
13AUDIO115 AAudio system
14FUEL PUMP15 AFuel system
15HID R DRL15 AHeadlight (RH) (With xenon fusion headlights), Daytime running lights (Some models)
16AT PUMP
17HORN15 AHorn
18TAIL15 ATaillights, License plate lights, Parking lights, Front side-marker lights
19
20AT15 ATransaxle control system
21R.WIPER15 ARear window wiper (Some models)
22A/C7.5 AAir conditioner
23ENGINE315 AEngine control system
24ENGINE215 AEngine control system
25ENGINE115 AEngine control system
26GLOW SIG
27EVVT20 AEngine control system
28WIPER20 AFront window wiper and washer
29DC DC REG
30
31ADD FAN DE
32P.WINDOW130 APower windows
33H/L LOW R15 AHeadlight low beam (RH) (With halogen headlights)
34H/L LOW L HID L15 AHeadlight (LH) (With xenon fusion headlights), Headlight low beam (LH) (With halogen headlights)
35METER110 AInstrument cluster
36IG230 AFor protection of various circuits
37
38FAN DE
39DC DC DE
40SRS17.5 AAir bag
41ENGINE. IG115 AEngine control system
42C/U IG115 AFor protection of various circuits
43

Passenger compartment

2014-2018-mazda-3-bm-bn-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1P.SEAT D30 APower seat (Some models)
2D.LOCK25 APower door locks
3P.WINDOW225 APower windows
4SEAT WARM20 ASeat warmer (Some models)
5R.OUTLET315 AAccessory sockets
6SRS2/ESCL15 ASeat weight sensor (Some models)
7SUNROOF10 AMoonroof (Some models)
8M.DEF7.5 AMirror defroster (Some models)
9R.OUTLET1
10MIRROR7.5 APower control mirror
11F.OUTLET15 AAccessory sockets
12AT IND7.5 AAT shift indicator (Some models)
13
14
15

[2015/2016]

Engine compartment

2014-2018-mazda-3-bm-bn-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FOG15 AFog lights (Some models)
2H/LH120 AHeadlight high beam (With halogen headlights)
3H/CLEAN20 A
4STOP10 ABrake lights
5ROOM15 AOverhead light
6ENG+B7.5 AEngine control system
7FUEL WARM15 A
8HAZARD25 AHazard warning flashers, Turn signal lights
9ABS/DSCS30 AABS, Dynamic stability control system
10METER27.5 A
11AUDI027.5 AAudio system
12BOSE25 ABose Sound System-equipped model (Some models)
13AUDIO115 AAudio system
14FUEL PUMP15 AFuel system
15HID R DRL15 AHeadlight (RH) (With xenon fusion headlights), Daytime running lights (Some models)
16AT PUMP15 A
17HORN15 AHorn
18TAIL15 ATaillights, License plate lights, Parking lights. Front side-marker lights
19CNG15 A
20AT15 ATransaxle control system
21R. WIPER15 ARear window wiper (Some models)
22A/C7.5 AAir conditioner
23ENGINE315 AEngine control system
24ENGINE215 AEngine control system
25ENGINE115 AEngine control system
26GLOW SIG5 A
27EVVT20 AEngine control system
28WIPER20 AFront window wiper and washer
29DCDC REG30 A
30FUEL PUMP230 A
31ADD FAN DE40 A
32P. WINDOW 130 APower windows
33H/L LOW R15 AHeadlight low beam (RH) (With halogen headlights)
34H/L LOW L HID L15 AHeadlight (LH) (With xenon fusion headlights), Headlight low beam (LH) (With halogen headlights)
35METER110 AInstrument cluster
36IG230 AFor protection of various circuits
37LPG30 A
38FAN DE40 A
39DCDC DE40 A
40SRS17.5 AAir bag
41ENGINE. IG115 AEngine control system
42C/U IG115 AFor protection of various circuits
43

Passenger compartment

2014-2018-mazda-3-bm-bn-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1P.WINDOW3
PSEAT D
30 APower seat (Some models)
2D.LOCK25 APower door locks
3P.WINDOW225 APower windows
4SEAT WARM20 ASeat warmer (Some models)
5R.OUTLET315 AAccessory sockets
6SRS2/ESCL15 ASeat weight sensor
7SUNROOF10 AMoonroof (Some models)
8M.DEF7.5 AMirror defogger (Some models)
9R.OUTLET115 A
10MIRROR7.5 APower control mirror
11F.OUTLET15 AAccessory sockets
12ABS IG ATIND7.5 AAT shift indicato (Some models)
13SRS17.5 A
14METER110 A
15C/U IG115 A

[2017/2018]

Engine compartment

2014-2018-mazda-3-bm-bn-engine-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1FOG15 AFog lights (Some models)
2H/L HI20 AHeadlight high beam (With halogen headlights)
3H/CLEAN20 A
4STOP10 ABrake lights
5ROOM15 AOverhead light
6ENG+B7.5 AEngine control system
7FUEL WARM15 A
8HAZARD25 AHazard warning flashers, Turn signal lights
9ABS/DSCS30 AABS, Dynamic stability control system
10METER27.5 A
11AUDIO27.5 AAudio system
12BOSE25 ABose Sound System-equipped model (Some models)
13AUDIO115 AAudio system
14FUEL PUMP15 AFuel system
15HID R DRL15 AHeadlight (RH) (With LED headlights), Daytime running lights (Some models)
16AT PUMP15 A
17HORN15 AHorn
18TAIL15 ATaillights, License plate lights, Parking lights, Front side-marker lights
19ST HEATER15 AHeated steering wheel (Some models)
20AT15 ATransaxle control system
21R. WIPER15 ARear window wiper (Some models)
22A/C7.5 AAir conditioner
23ENGINE315 AEngine control system
24ENGINE215 AEngine control system
25ENGINE115 AEngine control system
26GLOW SIG5 A
27EVVT20 AEngine control system
28WIPER20 AFront window wiper and washer
29DC DC REG30 A
30EPBL FUEL.P230 AElectric parking brake (LH) (Some models)
31ADD FAN DE40 A
32P. WINDOW 130 APower windows
33H/L LOW R15 AHeadlight low beam (RH) (With halogen headlights)
34H/L LOW L HID L15 AHeadlight (LH) (With LED headlights), Headlight low beam (LH) (With halogen headlights)
35METER110 AInstrument cluster
36IG230 AFor protection of various circuits
37EPBR LPG30 AElectric parking brake (RH) (Some models)
38FUEL.P3 FAN DE40 A
39DCDC DE40 A
40SRS17.5 AAir bag
41ENGINE. IG115 AEngine control system
42C/U IG115 AFor protection of various circuits
43METER310 A

Passenger compartment

2014-2018-mazda-3-bm-bn-passenger-compartment-fuse-box-diagram-carsfuse.com
FUSE NUMBERDESCRIPTIONFUSE AMP RATINGPROTECTED COMPONENT
1P.WINDOW3 PSEAT D30 APower seat (Some models)
2D.LOCK25 APower door locks
3P.WINDOW225 APower windows
4SEAT WARM20 ASeat warmer (Some models)
5R.OUTLET315 AAccessory sockets
6SRS2/ESCL15 ASeat weight sensor
7SUNROOF10 AMoonroof (Some models)
8M.DEF7.5 AMirror defogger (Some models)
9R.OUTLET115 A
10MIRROR7.5 APower control mirror
11F.OUTLET15 AAccessory sockets
12ABS IG ATIND7.5 AAT shift indicato (Some models)
13SRS17.5 A
14METER110 A
15C/U IG115 A
Next Post: 2010-2013 Mazda 3 fuse box diagram (BL)

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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