Fuses and relays Mazda Demio / Verisa (DY; 2002–2008)

The Mazda Verisa is a subcompact mini-MPV built on the DY platform, occupying an intermediate position between standard hatchbacks and minivans. Produced exclusively for the Japanese domestic market (JDM), it shares its platform with the second-generation Mazda Demio (known internationally as the Mazda2). This article provides detailed fuse box diagrams and relay assignments for the Mazda Demio / Verisa (DY chassis; Ford B3 platform) covering model years 2002 through 2008.

Below are the locations, photos, and circuit assignments for the power distribution centers. Fuses for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.

Engine Compartment

Located on the left side of the engine compartment.

Access panel opening example.

Diagram
No.	Description	Rating (A)
R1	Cooling fan relay No. 1
R2	A/C compressor relay
R3	Blower motor relay
R4	Rear window defogger relay
R5	Starter relay
R6	Fuel pump relay
R7	Low beam headlight relay
R8	High beam headlight relay
R9	Main relay
R10	Cooling fan relay No. 2
1	MAIN - Main fuse	100
2	FAN - Condenser fan motor	30
3	IG KEY1 - Ignition switch circuit 1	60
4	HEATER - Blower motor system	40
5	FUEL PUMP - Fuel pump fuse	15
6	DEFOG - Rear window defogger	30
7	EGI COMP1 - Engine Control Module (ECM)	10
8	STOP - Brake lights and horn	15
9	HAZARD - Hazard warning lights	15
10	IG KEY2 - Ignition switch circuit 2	30
11	ETV - Electronic throttle valve (Mazda Verisa; Mazda Demio 2005+)	15
12	BTN - Power door locks and interior circuits	25
13	ABS-P - Anti-lock Braking System (ABS pump motor)	30
14	ABS-V - Anti-lock Braking System (ABS control valve)	20
15	FOG - Front fog lights	15
16	P.WIND - Power windows	20
17	DOOR LOCK - Power door locks / Central locking	30
18	EGI INJ - Fuel injectors / Engine management	15
19	EGI COMP2 - Engine Control Module (ECM)	15
20	HEAD L HI - Left headlight high beam	10
21	HEAD R HI - Right headlight high beam	10
22	HEAD LLO HLGN - Left headlight low beam (Halogen)	10
22	HEAD LLO HID - Left headlight low beam (HID)	20
23	HEAD RLO HLGN - Right headlight low beam (Halogen)	10
23	HEAD RLO HID - Right headlight low beam (HID)	20

Passenger Compartment

Located on the lower dashboard on the driver’s side, near the steering column.

Remove the protective cover to access the panel.

Diagram
No.	Description	Rating (A)
1	ROOM - Interior lamps, luggage compartment lamp, audio system	15
2	CIGAR - Cigarette lighter (Mazda Demio / Verisa)	15
2	AUX PWR - Auxiliary power outlet (Mazda Verisa)	15
3	MIRROR - Power side mirrors, audio system	7.5
4	METER - Instrument cluster / Combination meter	10
5	WIPER - Windshield wipers and washer	20
6	SAS - Supplemental Restraint System (SRS airbags)	10
7	ENGINE - Engine control system	15
8	OUT - Transmission Control Module (TCM) (Mazda Demio)	15
9	P.WIND - Power windows	30
10	M.DEF - Heated side mirrors (Mazda Verisa; Mazda Demio 2005+)	7.5
11	S-WARM - Seat heaters	15
12	ST.SIG - Starter signal / Ignition switch	7.5
13	TAIL - Parking lights, license plate lamps	7.5
14	ILLUMI - Instrument cluster backlighting and control illumination	7.5
15	MAG.CLUTCH - A/C compressor magnetic clutch	7.5
16	A/C - Air conditioning system	7.5
17	R.WIP - Rear window wiper and washer	10
18	BACK - Reverse lights	10
19	SUNROOF - Power sunroof (Mazda Demio)	25

Additional relays are mounted in the passenger compartment outside the main fuse block.

Component Legend:

• 13 – Under-dash junction block on the front passenger side (windshield wiper motor relay, high-speed wiper relay, windshield washer motor relay, rear wiper motor relay, rear washer motor relay, rear washer pump relay, parking lamp relay, horn relay)
• 14 – Cigarette lighter assembly
• 15 – Ignition key warning sensor / Key reminder switch
• 16 – Ignition switch assembly