The third-generation Mazda2 hatchback debuted at the Geneva and Shanghai Motor Shows in 2007. Built on the DE platform, it shares its architecture with the sixth-generation Ford Fiesta. This article provides detailed fuse box diagrams and relay assignments for the Mazda2 (3rd generation; DE chassis) model years 2007 through 2016.
Here you will find fuse box locations, photos, and circuit diagrams. Fuses for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
Engine Compartment
The main fuse box is located in the engine compartment near the battery. Remove the plastic cover to access it.
General view.
| Diagram | ||
|---|---|---|
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| No. | Relay Assignment | |
| R1 | Not used | |
| R2 | Glow plug relay | |
| R3 | Engine control module (ECM) relay | |
| R4 | Headlamp high beam relay | |
| R5 | Headlamp low beam relay | |
| R6 | Rear fog lamp relay | |
| R7 | Fuel pump relay (Gasoline) | |
| R8 | Blower motor relay | |
| R9 | Not used | |
| R10 | Horn relay | |
| R11 | A/C compressor relay | |
| R12 | Starter relay | |
| R13 | Front fog lamp relay | |
| No. | Circuit Protected | Rating (A) |
| 1 | Fuel heater (Diesel) | - |
| 2 | Fuel pump | 15 |
| 3 | F.FOG – Front fog lamps | 15 |
| 4 | Power windows | 20 |
| 5 | Horn | 10 |
| 6 | EG1 – Engine control system | 10 |
| 7 | DSC-P – Dynamic Stability Control (DSC) pump | 30 |
| 8 | DSC-V – Dynamic Stability Control (DSC) valve | 20 |
| 9 | A/C – Air conditioning system | 7.5 |
| 10 | TAIL – Tail lamps, parking lamps, license plate lamp | 15 |
| 11 | STOP – Stop lamps | 10 |
| 12 | SWS – Supplemental Restraint System (Airbags) | 7.5 |
| 13 | R.DEF – Heated rear window | 20 |
| 14 | HAZARD – Hazard warning lamps, turn signals | 10 |
| 15 | D/L – Power door locks | 20 |
| 16 | EOP – Electric oil pump | - |
| 17 | ENG BAR – Engine control system | 15 |
| 18 | ENG INJ – Engine injectors | 15 |
| 19 | ENG INJ2 – Engine injectors 2 | - |
| 20 | H/L HI RH – Headlamp high beam (Right) | - |
| 21 | H/L HI LH – Headlamp high beam (Left) | - |
| 22 | DCDC3 – Auxiliary equipment | - |
| 23 | H/L LO RH – Headlamp low beam (Right) | 15 |
| 24 | H/L LO LH – Headlamp low beam (Left) | 15 |
| 25 | AUDIO2 – Audio system | - |
| 26 | DSC-V2 – Dynamic Stability Control | - |
| 27 | HORN2 – Horn 2 | - |
| 28 | METER – Instrument cluster | - |
| 29 | ROOM – Interior lighting | 15 |
| 30 | GLOW – Glow plugs (Diesel) | - |
| 31 | EWT | - |
| 32 | IG KEY 1 – Ignition switch circuit 1 | 40 |
| 33 | FAN 3 – Engine cooling fan 3 | - |
| 34 | FAN 2 – Engine cooling fan 2 | 30 |
| 35 | FAN 1 – Engine cooling fan 1 | - |
| 36 | INJ – Fuel injection | - |
| 37 | IG KEY 2 – Ignition switch circuit 2 | 30 |
| 38 | 4WD – All-wheel drive system | - |
| 39 | ABS DSC-P2 – ABS / DSC pump 2 | - |
| 40 | BLOWER – Blower motor | 30 |
Passenger Compartment
The passenger compartment fuse box is located on the end of the dashboard on the driver's side. Remove the side access panel for entry.
Access panel overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Circuit Protected | Rating (A) |
| 1 | TCM – Transmission Control Module | 10 |
| 2 | ILLUMI – Instrument cluster & switch illumination | 7.5 |
| 3 | CIGAR – Cigarette lighter, auxiliary power outlet | 15 |
| 4 | MIRROR – Power exterior mirrors | 7.5 |
| 5 | M.DEF – Heated exterior mirrors | 7.5 |
| 6 | S.WARM – Heated seats | - |
| 7 | A/C – Air conditioning system | 7.5 |
| 8 | F.WIP – Windshield wipers and washer | 20 |
| 9 | R.WIP – Rear window wiper and washer | - |
| 10 | STARTER – Starter motor | - |
| 11 | METER 2 – Instrument cluster | - |
| 12 | ENG – Engine control system | 10 |
| 13 | METER – Instrument cluster | 10 |
| 14 | SAS – Supplemental Restraint System (Airbags), DSC | 10 |
| 15 | AUDIO 3 – Audio system | - |
| 16 | POWER WINDOWS – Power windows | 30 |
Component Locations
Overview of electronic control unit (ECU) and component locations.
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|
| No. | Component / Function |
| 1 | ABS Electronic Control Module |
| 2 | Blower motor resistor / A/C – Under dashboard |
| 3 | A/C Control Module |
| 4 | Anti-theft Control Module |
| 5 | Battery |
| 6 | Data Link Connector (DLC / OBD-II) |
| 7 | Engine Control Module (ECM) |
| 8 | Cooling fan motor resistor – Adjacent to radiator |
| 9 | Engine compartment fuse/relay box 1 |
| 10 | Engine compartment fuse/relay box 2 |
| 11 | Engine compartment fuse/relay box 3 (Diesel) |
| 12 | Passenger compartment fuse/relay box (Instrument panel) |
| 13 | Horn 1 |
| 14 | Horn 2 |
| 15 | Keyless Entry Control Module |
| 16 | Multifunction Control Module (BCM) – Controls fog lamps, exterior lighting, turn signals, seat belt reminder, windshield wipers |
| 17 | Ambient air temperature sensor – Behind front bumper |
| 18 | Electric Power Steering (EPS) Control Module |
| 19 | Airbag Control Module (SRS) |
| 20 | Transmission Control Module (TCM) – Integrated within ECM |