Hyundai Matrix (2003 – 2004) – fuse box diagram
Year of production: 2003, 2004
Engine compartment (gasoline)
| Description | Ampere rating [A] | Protected components |
| ALT | 120 | Generator |
| B+ | 40 | (A/CON, RR HTD, STOP, D/LOCK, HAZARD) Fuse |
| ECU | 30 | Generator, Engine control relay, ECM |
| RAD | 20 | Radiator fan relay |
| IGN | 40 | Start relay, Ignition switch |
| BLR | 40 | Blower relay |
| P/WIN | 30 | Power window relay |
| P/WIN | 30 | Power window relay |
| COND | 20 | Condenser fan relay #1 |
| ABS | 30 | ABS control module, ABS bleeding connector |
| ABS | 30 | ABS control module, ABS bleeding connector |
| F/PUMP | 10 | Fuel pump relay |
| INJ | 15 | Injector, lgnition coil |
| SNSR | 10 | MAP sensor, Oxygen sensor, CP sensor, Knock sensor, Throttle position sensor |
| ROOM LP | 10 | Audio, Room lamp, Overhead console lamp, lnstrument cluster |
| DRL | 15 | DRL control module |
| HORN | 10 | Horn relay |
| A/CON | 10 | A/C relay |
| FR FOG | 15 | Front fog lamp relay |
| ECU | 10 | ECM, TCM |
| LP | 20 | Tail lamp relay |
| TAIL LH | 10 | Left rear combi lamp, Left position lamp, Left License lamp |
| TAIL RH | 10 | Right rear combi lamp, Right position lamp, Right License lamp |
| H/LP LH | 15 | Left head lamp |
| H/LP RH | 15 | Right head lamp, (H/LP IND) Fuse |
Engine compartment (diesel)
| Description | Ampere rating [A] | Protected components |
| ALT | 100 | Generator |
| B+ | 40 | (A/CON, RR HTD, STOP, D/LOCK, HAZARD) Fuse |
| ECU | 30 | Generator, Engine control relay, ECM |
| RAD | 20 | Radiator fan relay |
| IGN | 40 | Start relay, Ignition switch |
| BLR | 40 | Blower relay |
| P/WIN | 30 | Power window relay |
| COND | 20 | Condenser fan relay #1 |
| ABS | 30 | ABS control module, ABS bleeding connector |
| ABS | 30 | ABS control module, ABS bleeding connector |
| F/PUMP | 10 | Fuel pump relay |
| ECU | 20 | ECM No.5 (Batt+) |
| ECU | 10 | ECM No.5 (Batt+) |
| SNSR | 10 | Glow plug relay, Assistor heater relay 1/2, Stop lamp switch, TDC sensor, EGR act, Throttle plate act |
| ROOM LP | 10 | Audio, Room lamp, Overhead console lamp, lnstrument cluster, ETACS, Luggage lamp |
| DRL | 15 | DRL control module |
| HORN | 10 | Horn relay |
| A/CON | 10 | A/C relay |
| FR FOG | 15 | Front fog lamp relay |
| ECU | 10 | ECM, TCM |
| LP | 20 | Tail lamp relay |
| TAIL LH | 10 | Left rear combi lamp, Left position lamp, Left License lamp |
| TAIL RH | 10 | Right rear combi lamp, Right position lamp, Right License lamp |
| H/LP LH | 15 | Left head lamp |
| H/LP RH | 15 | Right head lamp, (H/LP IND) Fuse |
Inner Panel
| Description | Ampere rating [A] | Protected components |
| H/LP IND | 10 | Head lamp indicator |
| HTD IND | 10 | Defogger relay, Left(Right) outside mirror motor, Rear window motor |
| A/CON | 10 | A/C Switch |
| RR HTD | 30 | Defogger relay |
| STOP | 10 | Stop lamp switch, Power window relay |
| D/LOCK | 15 | Door lock(unlock) relay, ETACM, Sunroof relay |
| HAZARD | 10 | Burglar alarm relay, Hazard relay |
| AUDIO | 10 | Audio |
| C/LIGHT | 15 | Cigarette lighter |
| A/B | 10 | SRS control module |
| A/B IND | 10 | SRS IND. |
| T/SIG | 10 | Hazard switch, Seat belt timer, Instrument cluster, ABS control module, Pre-excitation resistor, Washer motor |
| ECU | 15 | ECM, Vehicle speed sensor, TCM, Ignition coil |
| ETACS | 10 | ETACM, A/T Shift lever |
| RR WPR | 10 | Rear wiper motor, Rear wiper relay |
| START | 10 | Start relay |
| FRT WPR | 20 | Wiper relay, Washer motor, Wiper & Defogger timer |
| S/HTD | 15 | Left (Right) front seat warmer switch |
| P/OUTLET | 25 | Front (Rear) power outlet |
| IG2 | 10 | ETACM, Power window relay, Defogger relay, Sunroof relay Head lamp relay, Blower relay |
| O/S MRR | 10 | Outside mirror switch, Rear fog lamp relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
