Mazda CX-3 (2017) – fuse box diagram
Year of production: 2017
Fuse block (engine compartment)

Position | Description | Fuse [A]. | Protected component |
1 | C / U IG1 | 15 | For protection of various circuits |
2) | ENGINE IG1 | 7,5 | Motor control system |
3) | SUNROOF | 10 | Lunar roof * |
4 | INTERIOR | 15 | Upper light |
5 | POL + B | 7,5 | Engine control system |
6 | AUDIO2 | 15 | Public address system |
7 | METER1 | 10 | Instrument cluster |
8 | SRS1 | 7,5 | Airbag |
9 | METER2 | 7,5 | Indicator set * |
10 | RADIO | 7,5 | Public address system |
11 | ENGINE 3 | 15 | Engine control system |
12 | ENGINE 1 | 15 | Engine control system |
13 | ENGINE 2 | 15 | Engine control system |
14 | AUDIO 1 | 25 | Public address system |
15 | A / C MAG | 7,5 | Air conditioner* |
16 | ON PUMP | 15 | Transmission control system * |
17 | W | 15 | Transmission control system * |
18 | D.LOCK | 25 | Electric door locks |
19 | H / L RH | 20 | Headlight (RH) |
20 | ENg + B2 | 7,5 | Motor control system |
21 | FIRE | 20 | Rear lights, License plate lights, Parking lights |
22 | – | – | – |
23 | ROOM | 25 | Top light |
24 | MIST | 15 | Fog lights* |
25 | H / CLEAN | 20 | – |
26 | STOP | 10 | Stop lights |
27 | HORN | 15 | Horn |
28 | H / L LH | 20 | Reflector (LH) |
29 | ABS / DSC S. | 30 | ABS, dynamic stability control system *. |
30 | RISK | 15 | Danger signals À, Direction indicators |
31 | FUEL PUMP | 15 | Fuel system |
32 | FUEL HEAT | 25 | – |
33 | WIPER | 20 | Windshield wiper |
34 | CABIN + B | 50 | To protect various circuits |
35 | FAN2 | 30 | – |
36 | FUEL PUMP | 30 | – |
37 | ABS / DSC M. | 50 | ABS, dynamic stability control system *. |
38 | EVVT | 20 | Engine control system * |
39 | – | – | – |
40 | VENTILATOR 1 | 30 | – |
41 | FAN 3 | 40 | Cooling fan |
42 | POL.MAIN | 40 | Egine control system |
43 | EPS | 60 | – |
44 | DEFOG | 40 | Rear window defogger |
45 | IG2 | 30 | For protection of various circuits |
46 | INSERT | 30 | Motor control system |
47 | HEATER | 40 | Air conditioner |
48 | P.WINDOW1 | 30 | Electric windows |
49 | DCDC DE | 40 | – |
* Some models |
Fuse block (left side)

Position | Description | Fuse [A]. | Protected component |
1 | – | – | – |
2) | – | – | – |
3) | – | – | – |
4 | – | – | – |
5 | F.OUTLET | 15 | Accessory sockets |
6 | – | – | – |
7 | AT IND | 7,5 | Gear shift indicator * |
8 | LUSTRO | 7,5 | Power control mirror |
9 | – | – | – |
10 | P.WINDOW2 | 25 | Electric windows |
11 | R.WIPER | 15 | Rear window wiper and washer |
12 | – | – | – |
13 | – | – | – |
14 | SRS2 / ESCL | 15 | – |
15 | SEAT HEAT | 20 | Seat warmer * |
16 | M.DEF | 7,5 | Mirror defogger *. |
* Some models |