Mazda Millenia (2000 – 2002) Fuse Box Location & Diagrams
The Mazda Millenia (2000–2002) features multiple fuse boxes that protect essential electrical systems and components. Knowing their locations and fuse assignments makes it easier to troubleshoot electrical issues. This blog provides clear fuse box locations, diagrams, fuse ratings, and circuit information for the Mazda Millenia from 2000 to 2002.
Fuse Box Location
Passenger Compartment Fuse Box
The fuse box is located on the left side of the vehicle, behind the cover.

Engine Compartment Fuse Box

Fuse Box Diagrams
Passenger Compartment Fuse Box

| № | Name | Amp Rating | Protected component |
|---|---|---|---|
| 1 | HAZARD | 15A | Hazard warning light |
| 2 | ROOM | 15A | Clock, Interior light |
| 3 | S/ROOF | 15A | Sunroof |
| 4 | METER | 15A | Gauges, Reverse lights, Turn signals, Cruise control |
| 5 | STOP | 20A | Brake lights |
| 6 | — | — | Not Used |
| 7 | IIA | 15A | IIA |
| 8 | R.DEF | 10A | Rear window defroster |
| 9 | A/C | 10A | Air conditioner |
| 10 | WIPER | 20A | Windshield wipers and washer |
| 11 | M.DEF | 10A | Mirror defroster |
| 12 | START | 15A | Starter |
| 13 | TURN | 10A | Turn signal lights |
| 14 | BLOWER | 10A | Air conditioner |
| 15 (2000) | P/WIND | 30A | Power windows |
| 15 (2001-2002) | — | — | Not Used |
| 16 | — | — | Not Used |
| 17 | — | — | Not Used |
| 18 | RADIO | 10A | Audio system |
| 19 | ENGINE | 15A | Engine control system |
| 20 | ILLUM1 | 10A | Dashboard illumination |
| 21 | OPENER | 15A | Trunk lid opener, Fuel-lid opener |
| 22 | — | — | Not Used |
| 23 | CIGAR | 15A | Cigar lighter |
| 24 | — | — | Not Used |
| 25 | — | — | Not Used |
| 26 | SPARE | 30A | Not Used |
| 27 | — | — | Not Used |
| 28 | — | — | Not Used |
| 29 | D/LOCK | 30A | Power door lock |
Engine Compartment Fuse Box

| № | Name | Amp Rating | Protected component |
|---|---|---|---|
| 1 | MAIN | 120 A | For protection of all circuits |
| 2 | AD.FAN | 30A | Additional cooling fan for air conditioner |
| 3 | EGI INJ | 30A | Fuel injection system |
| 4 | HEAD | 40A | Headlights |
| 5 | IG KEY | 60A | RADIO, TURN, METER, ENGINE, S/ROOF and P/WIND fuses, Ignition system |
| 6 | COOLING FAN | 30A | Cooling fan |
| 7 | ABS | 60A | Antilock brake system |
| 8 | HEATER | 40A | Heater, Air conditioner |
| 9 | DEFOG | 40A | Rear window defroster |
| 10 | BTN | 60A | STOP, ROOM and D/LOCK fuses, Fuel lid opener, Power door lock |
| 11 | AUDIO | 20A | Audio system |
| 12 (2000) | HORN | 10A | Horn |
| 12 (2001-2002) | P/WINDOW | 30A | Power windows |
| 13 | P.SEAT | 30A | Power seat |
| 14 (2000) | — | — | Not Used |
| 14 (2001-2002) | HORN | 10A | Horn |
| 15 | IDL UP | 10A | Engine control system |
| 16 | ST.SIGN | 10A | Engine control unit |
| 17 | FOG | 15A | Fog lights |
| 18 | S.WARM | 20A | Seat warmer |
| 19 | TAIL | 15A | Tail lights, Parking lights, License plate lights, Dashboard illumination, Glove box light, Clock |
| 20 | — | — | Not Used |
| 21 | — | — | Not Used |
| 22 | — | — | Not Used |
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