Mazda officially introduced the third generation of the Demio / Mazda2 hatchback in 2014. Featuring Mazda’s signature “Kodo” design language—originally showcased on the Hazumi concept car in Geneva—the model shares prominent visual traits with the larger Mazda3. In this article, you will find detailed fuse box diagrams and circuit assignments for the Mazda2 (3rd generation; DJ chassis) covering model years 2014 through 2019.
Below are the power distribution box locations, layout diagrams, and photos. Fuses for the “Cigarette Lighter” and “Fuel Pump” circuits are highlighted in bold text.
Engine Compartment
Located adjacent to the battery. Remove the plastic cover to gain access.
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Protected Circuit | Rating (A) |
| 1 | Ignition control unit / auxiliary circuits (C/U IG1) | 15 |
| 2 | Engine management system (ENGINE IG1) | 7.5 |
| 3 | Power sunroof | 10 |
| 4 | Interior lighting | 15 |
| 5 | Engine control module (ENG+B) | 7.5 |
| 6 | Audio system | 15 |
| 7 | Instrument cluster (METER1) | 10 |
| 8 | Supplemental Restraint System / Airbags (SRS1) | 7.5 |
| 9 | Instrument cluster (METER2, if equipped) | 7.5 |
| 10 | Audio system (RADIO) | 7.5 |
| 11 | Engine management system (ENGINE3 / ENGINE1 / ENGINE2) | 15 |
| 12 | 15 | |
| 13 | 15 | |
| 14 | Audio system | 25 |
| 15 | Air conditioning system (if equipped) | 7.5 |
| 16 | Automatic transmission fluid pump (AT PUMP, if equipped) | 15 |
| 17 | Transmission control module (AT, if equipped) | 15 |
| 18 | Power door locks | 25 |
| 19 | Right headlight | 20 |
| 20 | Engine management system (ENG+B2) | 7.5 |
| 21 | Taillights, license plate light, parking lights (TAIL) | 20 |
| 22 | Seat heater (ST.HEATER) or Not used | 15 / - |
| 23 | Interior lighting | 25 |
| 24 | Front fog lights (if equipped) | 15 |
| 25 | Headlight washers (if equipped) | 20 |
| 26 | Brake lights, rear fog light (STOP, if equipped) | 10 |
| 27 | Horn | 15 |
| 28 | Left headlight | 20 |
| 29 | ABS, Dynamic Stability Control (DSC, if equipped) | 30 |
| 30 | Hazard warning lights, turn signal indicators | 15 |
| 31 | Fuel system / Fuel pump (if equipped) | 15 |
| 32 | Fuel heater (if equipped) | 25 |
| 33 | Front windshield wipers | 20 |
| 34 | Cabin main power supply / auxiliary circuits (CABIN+B) | 50 |
| 35 | Radiator cooling fan (FAN2, if equipped) | 30 |
| 36 | Fuel pump (FUEL PUMP) or Empty | 30 / - |
| 37 | ABS, Dynamic Stability Control (DSC, if equipped) | 50 |
| 38 | Electric Variable Valve Timing (EVVT, if equipped) | 20 |
| 39 | — | — |
| 40 | Radiator cooling fan (FAN1, if equipped) | 30 |
| 41 | Radiator cooling fan (FAN3, if equipped) | 40 |
| 42 | Engine main relay / management system (ENG.MAIN) | 40 |
| 43 | Electric Power Steering (EPS, if equipped) | 60 |
| 44 | Heated rear window (DEFOG) | 40 |
| 45 | Ignition circuit (IG2): Auxiliary circuits | 30 |
| 46 | Fuel injectors / Engine management system (if equipped) | 30 |
| 47 | Air conditioning system | 40 |
| 48 | Power windows | 30 |
| 49 | DC-DC converter / auxiliary circuits (DCDC DE, if equipped) | 40 |
Passenger Compartment
The junction box is located on the lower left side of the dashboard / kick panel (identical location on both LHD and RHD vehicles).
Remove the protective access panel to view the fuses.
| Diagram | ||
|---|---|---|
|
||
| No. | Protected Circuit | Rating (A) |
| 1 | Not used | — |
| 2 | Not used | — |
| 3 | Not used | — |
| 4 | Not used | — |
| 5 | Cigarette lighter / Front accessory power socket | 15 |
| 6 | Not used | — |
| 7 | Automatic transmission shift indicator (if equipped) | 7.5 |
| 8 | Power side mirrors | 7.5 |
| 9 | Not used | — |
| 10 | Power windows | 25 |
| 11 | Rear window wiper and washer | 15 |
| 12 | Not used | — |
| 13 | Not used | — |
| 14 | Electric steering column lock | 15 |
| 15 | Heated seats (if equipped) | 20 |
| 16 | Heated side mirrors (if equipped) | 7.5 |