The Kia Optima sedan (also known as the K5 or Magentis) is a mid-size car manufactured by South Korean automaker Kia Motors, with production starting in 2000. In this article, we provide detailed fuse box diagrams for the first-generation Kia Optima (GD platform) covering model years 2000–2006.
Here you will find power distribution box locations and photos. The fuses for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
Engine Compartment
The fuse box is located adjacent to the battery on the left side of the engine compartment.
General view of the power distribution box.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| COND FAN | A/C condenser fan | 20 |
| PWR WIND | Power windows | 40 |
| ABS 2 | Anti-lock braking system (ABS) | 30 |
| IGN SW-1 | Ignition switch 1 | 30 |
| ABS 1 | Anti-lock braking system (ABS) | 30 |
| IGN SW-2 | Ignition switch 2 | 30 |
| RAD FAN MTR |
Radiator cooling fan motor | 30 |
| 1 | Fuel pump fuse | 20 |
| 2 | Low-beam headlights | 15 |
| 3 | ABS module | 10 |
| 4 | Fuel injectors | 10 |
| 5 | A/C compressor clutch | 10 |
| 6 | Automatic transmission (ATM) relay | 20 |
| 7 | Engine control module (ECM) relay | 30 |
| 8 | Ignition coils, ignition failure sensor | 20 |
| 9 | Heated oxygen sensor (HO2S) | 15 |
| 10 | Engine control module (ECM), fuel pump relay, PCV solenoid valve, cruise control servo, crankshaft position sensor | 15 |
| 11 | Horn | 10 |
| 12 | High-beam headlights | 15 |
| 13 | Headlight washer pump | 20 |
| 14 | Anti-theft alarm system | 15 |
| 15 | Front fog lamps | 15 |
| 16 | Xenon (HID) headlights | 15 |
| 17 | Spare | 30 |
| 18 | Spare | 20 |
| 19 | Spare | 15 |
| 20 | Spare | 10 |
| 21 | Blower motor / Heater fan | 30 |
| 22 | Main power fuse 2 | 30 |
| 23 | Audio amplifier | 20 |
| 24 | Sunroof, Data Link Connector (OBD-II) | 15 |
| 25 | Tail lamp relay | 20 |
| 26 | Main power fuse 1, passenger compartment fuse box (fuses #2, 3, 7, 8, 9) | 30 |
| 27 | Engine control module (ECM) | 10 |
| 28 | Heated rear window and side mirror relay | 30 |
| Relays | ||
| HORN RELAY - Horn relay | ||
| HDLP_LOW RELAY - Low-beam headlight relay | ||
| RAD FAN_HI RELAY - Radiator cooling fan relay (high speed) | ||
| RAD FAN_LOW RELAY- Radiator cooling fan relay (low speed) | ||
| F / PUMP RELAY - Fuel pump relay | ||
| WIPER RELAY - Windshield wiper relay | ||
| START RELAY - Starter relay | ||
| ATM CONT RELAY - Automatic transmission control relay | ||
| A / CON RELAY - A/C compressor relay | ||
An auxiliary fuse block is installed at the front of the engine compartment on Optima models equipped with diesel engines.
Description:
- FUEL FILTER HEATER FUSIBLE LINK: Fuel filter heater (40A);
- FUEL FILTER HEATER RELAY: Fuel filter heater relay;
- GLOW PLUG FUSIBLE LINK: Glow plug, air heater (80A);
- GLOW PLUG RELAY: Glow plug relay;
- PTC HEATER #1 FUSIBLE LINK: PTC heater 1 fusible link (50A);
- PTC HEATER #2 FUSIBLE LINK: PTC heater 2 fusible link (50A);
- PTC HEATER #3 FUSIBLE LINK: PTC heater 3 fusible link (50A);
- PTC HEATER RELAY #1: PTC heater relay 1;
- PTC HEATER RELAY #2: PTC heater relay 2;
- PTC HEATER RELAY #3: PTC heater relay 3
Passenger Compartment
The fuse box is located under the dashboard on the driver’s side, behind the access cover.
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| RR NTO IND | Rear window defroster, heated side mirrors | 10 |
| HAZARD | Hazard flashers, turn signal lamps | 10 |
| RR FOG | Rear fog lamps | 15 |
| A/CON | Air conditioning control module | 10 |
| ETACS | ETACS module, keyless entry system | 10 |
| DR LOCK | Power door lock actuators | 15 |
| P/SEAT | Power seat switch/motors | 25 |
| T/LID OPEN | Trunk lid release actuator | 15 |
| STOP LP | Brake lamps | 15 |
| HL / P | Headlamp leveler / Headlamps | 10 |
| A/BAG IND | Airbag indicator lamp | 10 |
| T/SIG | Turn signal lamps | 10 |
| A / COM SW | A/C control switch | 10 |
| ACC SOCKET | Auxiliary power outlet (12V) | 15 |
| S / HTR | Heated seats | 15 |
| A / BAG | Supplemental Restraint System (SRS / Airbag) | 15 |
| B/UP | Backup (reverse) lamps | 10 |
| CLUSTER | Instrument cluster | 10 |
| START | Ignition switch / Starter signal | 10 |
| SP1 | Spare | 15 |
| SP2 | Spare | 15 |
| SP3 | Spare | 15 |
| SP4 | Spare | 15 |
| D / CLOCK | Digital clock | 10 |
| TAIL (LH) | Left side – Position lamps, license plate lamps, tail lamps | 10 |
| AUDIO | Audio unit / Radio | 10 |
| WIPER | Windshield wiper motor | 20 |
| ROOM LP | Interior dome lamps, door courtesy lamps | 10 |
| TAIL (RH) | Right side – Position lamps, license plate lamps, tail lamps | 10 |
| C/LIGHTER | Cigarette lighter fuse (Kia Optima 1st gen) | 15 |
| EPS | Electric Power Steering (EPS) control module | 10 |