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| 2014 Mazda 3 |
Fuses and Relays
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.
Fuses on the vehicle's left side
If the electrical system does not work, first inspect the fuses on the vehicle's left side.
1. Make sure the ignition is switched off, and other switches are off.
2. Open the fuse panel cover.
3. Pull the fuse straight out with the fuse puller provided on the fuse block located in the engine compartment.
4. Inspect the fuse and replace it if it is blown.
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| Fuses on the vehicle's left side |
Fuse block (Left side)
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| Left Side - Fuse box / schematic diagram |
DESCRIPTION ..... FUSE RATING .... PROTECTED COMPONENT
1 P.SEAT D,P.WINDOW3 .............30 A Power seat * ,
2 D.LOCK ...................25 A Power door locks
3 P.WINDOW2 ............25 A Power windows
4 SEAT WARM ............20 ASeat warmer *
5 R.OUTLET3 ..............15 A Accessory sockets
6 SRS2/ESCL ...............15 A Seat weight sensor *
7 SUNROOF................. 10 A Moonroof *
8 M.DEF ......................7.5 A Mirror defroster *
9 R.OUTLET1 — —
10 MIRROR ................7.5 A Power control mirror
11 F.OUTLET .................15 A Accessory sockets
12 AT IND , ABS IG................ 7.5A AT shift indicator *
13 SRS1 7.5 A —14 METER1 10 A —
15 C/U IG1 15 A —
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:
1. Make sure the ignition is switched off, and other switches are off.
2. Remove the fuse block cover.
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| Fuse block (Engine compartment) Location |
3. If any fuse but the MAIN fuse is blown, replace it with a new one of the same amperage rating .
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| Fuses under the hood |
WARNING
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.
4. Reinstall the cover and make sure that it is securely installed.
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| Fuse assignment in engine compartment |
1 FOG 15 A Fog lights *
2 H/L HI 20 A Headlight high beam *
3 H/CLEAN 20 A —
4 STOP 10 A Brake lights
5 ROOM 15 A Overhead light
6 ENG+B 7.5 A Engine control system
7 FUEL WARM — —
8 HAZARD 25 A Hazard warning fl ashers, Turn signal lights
9 ABS/DSCS 30 A ABS, Dynamic stability control system
10 METER2 7.5A— —
11 AUDIO2 7.5 A Audio system
12 BOSE 25 A Bose ® Sound System-equipped model *
13 AUDIO1 15 A Audio system
14 FUEL PUMP 15 A Fuel system
15 HID R DRL 15 A Headlight (RH) *1 , Daytime running lights *
16 AT PUMP 15A — —
17 HORN 15 A Horn
18 TAIL 15 A Taillights, License plate lights, Parking lights, Front side-marker lights
19 CNG 15 A — (2017 Model - ST HEATER 15 A Heated steering wheel*)
20 AT 15 A Transaxle control system
21 R.WIPER 15 A Rear window wiper *
22 A/C 7.5 A Air conditioner
23 ENGINE3 15 A Engine control system
24 ENGINE2 15 A Engine control system
25 ENGINE1 15 A Engine control system
26 GLOW SIG 5A — —
27 EVVT 20 A Engine control system
28 WIPER 20 A Front window wiper and washer
29 DCDC REG 30A — —
30 FUEL PUMP2, EPB L 30 A —
31 ADD FAN DE 40A — —
32 P.WINDOW1 30 A Power windows
33 H/L LOW R 15 A Headlight low beam (RH) *2 (Right Hand)
34 H/L LOW L HID L 15 A Headlight (LH) *1 , Headlight low beam (LH) *2
35 METER1 10 A Instrument cluster
36 IG2 30 A For protection of various circuits
37 LPG 30 A — (2017 Model - EPB R, LPG 30 A Electric parking brake (RH)*)
38 FAN DE FUEL P3 30A— —
39 DCDC DE 40A — —
40 SRS1 7.5 A Air bag
41 ENGINE. IG1 15 A Engine control system
42 C/U IG1 15 A For protection of various circuits
43 — — — (2017 Model - METER3 10 A —)
*1 With xenon fusion headlights (2017 Model - With LED headlights)
*2 With halogen headlights
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