Toyota Matrix (2003 – 2008) Fuse Box Diagrams & Location User Guide
The first-generation Toyota Matrix (2003–2008) features several fuse boxes that manage the vehicle’s electrical components. Understanding their location and layout helps in diagnosing and fixing electrical problems. This guide includes clear fuse box diagrams and simple instructions to help you find and check each fuse easily.
Passenger Compartment Fuse Box
Toyota Matrix (2003 to 2008)
Fuse box location
The fuse box is located under the instrument panel (on the left side), under the cover.
Fuse box diagram
Assignment of the fuses in the Passenger Compartment
| No | Name | Ampere rating | Description |
|---|---|---|---|
| 18 | TAIL | 15 | Tail lights, license plate lights, instrument panel lights, instrument cluster lights, clock |
| 19 | OBD | 7,5 | On-board diagnosis system |
| 20 | WIPER | 25 | Windshield wipers |
| 21 | AM2 | 15 | Charging system, multiport fuel injection system/sequential multiport fuel injection system, starting system, SRS airbag system |
| 22 | STOP | 15 | Stop lights, high mounted stoplight anti-lock brake system, shift lock control system, multiport fuel injection system/sequential multiport fuel injection system, cruise control system |
| 23 | DOOR | 25 | Power door lock system, glass hatch opener switch |
| 24 | AM1 | 25 | “CIG” fuse |
| 25 | ECU-IG | 10 | Electric cooling fan, anti-lock brake system, traction control system, vehicle stability control system, brake assist system, shift lock control system, cruise control system |
| 26 | RR WIPER | 15 | Rear window wiper |
| 27 | A/C | 10 | Air conditioning system |
| 28 | INV | 15 | Power outlet (115 VAC) |
| 29 | P/POINT | 15 | Power outlet (12 VDC/ in the rear console box) |
| 30 | ECU-B | 10 | Daytime running light system |
| 31 | CIG | 15 | Power outlet (on the instrument panel) or cigarette lighter, car audio system, clock, power rear view mirror control, shift lock control system |
| 32 | GAUGE | 10 | Gauges and meters, air conditioning system, daytime running light system, charging system, auto anti-glare inside rear view mirror, power windows, cruise control system, rear window defogger, back-up lights, front passenger’s seat belt reminder light |
| 33 | WASHER | 15 | Windshield washer, rear window washer |
| 34 | M-HTR/ DEF I-UP | 10 | Engine control system |
| 40 | HTR | 40 | Air conditioning system |
| 41 | DEF | 30 | Rear window defogger, “M-HTR/DEF I-UP” fuse |
| 42 | POWER | 30 | Power windows, electric moon roof |
Engine Compartment Fuse Box
Toyota Matrix (2003 to 2008)
Fuse box location
The fuse box is located in the engine compartment (left-side)
Fuse box diagram
Assignment of the fuses in the Engine Compartment
| No | Name | Ampere rating | Description |
|---|---|---|---|
| 1 | FOG | 15 | Front fog lights |
| 2 | HEAD LH UPR | 10 | Left-hand headlight (high beam) |
| 3 | HEAD RH UPR | 10 | Right-hand headlight (high beam), high beam indicator light |
| 4 | SPARE | 30 | Spare fuse |
| 5 | SPARE | 15 | Spare fuse |
| 6 | SPARE | 10 | Spare fuse |
| 7 | ETCS | 10 | Electronic throttle control system |
| 8 | AMP | 30 | Car audio system |
| 9 | MAIN | 30 | Starting system, “AM2″ fuse |
| 10 | DOME | 15 | Car audio system, clock, personal lights, interior light, trunk light, open door warning light, wireless remote control system |
| 11 | HORN | 10 | Horn |
| 12 | HAZARD | 10 | Emergency flashers, turn signal lights |
| 13 | EFI | 15 | Multiport fuel injection system/sequential muftiport fuel injection system, emission control system, “EFI” fuse |
| 14 | ALT-S | 5 | Charging system |
| 15 | HEAD LH LWR | 10 | Left-hand headlight (low beam) |
| 16 | HEAD RH LWR | 10 | Right-hand headlight (low beam) |
| 17 | EFI2 | 15 | Multiport fuel injection system/ sequential multiport fuel injection system, emission control system |
| 35 | ABS NO.1 | 30 | Anti-lock brake system, vehicle stability control system, traction control system, brake assist system |
| 36 | RDI FAN | 30 | Electric cooling fan |
| 37 | ABS NO.2 | 40 (without vehicle stability control system) | Anti-lock brake system |
| 37 | ABS NO.2 | 50 (with vehicle stability control system) | Anti-lock brake system, vehicle stability control system, traction control system, brake assist system |
| 38 | HEAD MAIN | 40 | “HEAD LH UPR”, “HEAD RH UPR”, “HEAD LH LWR” and “HEAD RH LWR” fuses |
| 39 | AIR PUMP | 50 | Emission control system |
| 43 | ALT | 100 | Charging system, “ABS NO.1”, “ABS NO.2”, “RDI FAN”, “FOG”, “HTR”, “AM1”, “POWER”, “DOOR”, “ECU−B”, “TAIL”, “STOP”, “P/POINT”, “INV” and “OBD” fuses |