Fuses and relays Mazda MPV (LW), 1999–2006

Introduced in 1999, the second-generation Mazda MPV (LW platform) shifted to a front-wheel-drive layout and received a mid-cycle refresh in 2002. This guide details the fuse box diagrams and relay assignments for the Mazda MPV (LW chassis) across the 1999–2006 model years.

Below you will find component locations, photos, and assignments for the power distribution centers. Fuses for the Cigarette Lighter and Fuel Pump are highlighted in bold.

Engine Compartment

Component location overview.

General assembly view.

Main Fuse Box

Located on the left side of the engine compartment, adjacent to the battery.

Diagram
No.	Circuit / Description	Rating (A)
1	DEFOG - Rear window defogger	40
2	BTN - Power supply to STOP, HAZARD, ROOM, D.LOCK, and DRL fuses	60
3	COOLING FAN 1 - 1999–2001: Engine cooling fan	30
	ABS - 2002–2006: Anti-lock braking system (ABS)	60
4	HEATER - 1999–2001: Climate control heater blower	40
	FAN1 - 2002–2006: Engine cooling fan No. 1	30
5	R.HEAT - 1999–2001: Rear climate control heater blower	30
	FAN2 - 2002–2006: Engine cooling fan No. 2	30
6	IG KEY1 - 1999–2001: Ignition feed to METER, ENGINE, and WIPER fuses	40
	HEATER - 2002–2006: Climate control heater blower	40
7	IG KEY2 - 1999–2001: Ignition feed to A/C, P.WIND, SUNROOF, and R.WIP fuses	40
	R.HEAT - 2002–2006: Rear heater blower	30
8	COOLING FAN 2 - 1999–2001: Engine cooling fan No. 2	30
	IG KEY2 - 2002–2006: Ignition feed to A/C, P.WIND, SUNROOF, and R.WIP fuses	40
9	A/C - Air conditioning compressor clutch	10
10	TAIL - Parking lights and taillights	15
11	AC PWR - 2002–2006: AC power inverter	15
12	HORN - Horn	15
13	FOG - Front fog lights	15
14	EEC - 2002–2006: Electronic Engine Control auxiliary supply	5
15	HEAD L - Left headlight	15
16	HEAD R - Right headlight	15
17	Not used	-
18	Not used	-
19	ABS - 1999–2001: Anti-lock braking system (ABS)	60
	IG KEY1 - 2002–2006: Ignition feed to METER, ENGINE, and WIPER fuses	60
20	EGI INJ - Engine Control Module (ECM) / Fuel injectors	30
21	FUEL PUMP - 2002–2006: Fuel pump	20
22	MAIN - Main system fuse	120
Relay Assignment
R1	A/C compressor clutch relay
R2	Fuel pump relay
R3	Main relay (EGI)
R4	Rear window defogger relay
R5	Headlight relay
R6	Horn relay
R7	Parking light / Tail light relay

Auxiliary Relay Box

Located adjacent to the main fuse box.

Relay layout diagram.

Passenger Compartment

Located on the driver’s side cowl kick panel beneath the instrument panel, behind a removable cover.

Fuse panel access view.

Overview of the interior fuse box on the Mazda MPV (LW).

Diagram
No.	Circuit / Description	Rating (A)
1	WIPER - 1999–2001: Windshield wiper and washer	20
	P. WIND - 2002–2005: Power windows	30
	P. WIND - 2006: Power windows	40
2	P. WIND - 1999–2001: Power windows	30
	WIPER - 2002–2006: Windshield wiper and washer	20
3	SUNROOF - Power sunroof	15
4	R.WIP - Rear window wiper and washer	10
5	SEAT - 1999–2001: Power seat	15
	SEAT - 2002–2006: Power seat	20
6	M.DEF - Heated power mirrors	10
7	A/C - Air conditioning / Climate control	10
8	DRL - Daytime running lights	10
9	Not used	-
10	H/CLEAN - Headlight washers	20
11	Not used	-
12	HAZARD - Hazard warning lights	10
13	ROOM - 1999–2001: Interior dome lamps and cargo area lighting	10
	ROOM - 2002–2006: Interior dome lamps and cargo area lighting	10
14	AUX POWER - 1999–2001: Auxiliary 12V power socket	15
	AUX POWER - 2002–2006: Auxiliary 12V power socket	25
15	CLOSER LH - 1999–2001: Left power sliding door motor/latch	15
	CLOSER LH - 2002–2006: Left power sliding door motor/latch	20
16	AUDIO - Audio head unit	10
17	D.LOCK - Power door locks	30
18	P/SEAT - 2002–2006: Power seat	30
19	ENGINE - Engine Control Module (ECM)	10
20	METER - Instrument cluster	10
21	STOP - Stop lights (Brake lights)	15
22	CLOSER RH - 1999–2001: Right power sliding door motor/latch	15
	CLOSER RH - 2002–2006: Right power sliding door motor/latch	20
23	ACC.DELAY - Power window accessory delay relay	30
24	METER - Instrument cluster and ignition switch circuit	15
25	ST. SIGN - Starter signal circuit	10
26	CIGAR - 1999–2001: Cigarette lighter	15
	CIGAR - 2002–2006: Cigarette lighter	25
27	Not used	-
28	Not used	-