Table of Contents
The Kia K5 (also marketed as the Optima or Magentis) is a mid-size sedan produced by South Korean automaker Kia Motors since 2000. This manual details the fuse and relay box diagrams for the third-generation Kia Optima / K5 (TF platform), covering model years 2010 through 2016.
Below you will find location diagrams and images for all power distribution centers. Fuses protecting the “Cigarette Lighter” and “Fuel Pump” circuits are highlighted in bold.
Engine Compartment
Component locations:
1 – Relay box;
2 – Multi-fuse / Main fuse link;
3 – Main engine compartment fuse and relay box.
Relay Box
Located on the right (passenger) side of the engine compartment, near the cowl panel.
| Diagram | |
|---|---|
|
|
| No. | Description |
| 17 | Start/Stop Button 1 (ACC) |
| 18 | Start/Stop Button 2 (IG1) |
| 19 | Start/Stop Button 3 (IG2) |
Main Fuse Box
Located on the left (driver) side of the engine compartment. The fuse box configuration varies depending on the vehicle model year and engine option.
Type 1
Part number: 91955-2T740. Models with 2.0L Theta II T-GDI engine.
| Diagram | ||
|---|---|---|
|
||
| Name | Description | Rating |
| RR HTD | Rear window defroster | - |
| HORN | Horn (left/right) | 15A |
| F/PUMP | Fuel pump fuse | 20A |
| ECU 3 | Powertrain Control Unit (T-GDI) battery direct feed | 15A |
| SENSOR 1 | Upstream/downstream oxygen sensors, cooling fan control (T-GDI) | 15A |
| INJECTOR | Fuel injection system | 10A |
| SENSOR 3 | Camshaft position sensors 1 & 2 (T-GDI), SMARTRA immobilizer | 10A |
| SENSOR 2 | Crankshaft position sensor, Variable Induction System (VIS), oil control valves 1 & 2, Purge Control Solenoid Valve (PCSV), Recirculation Valve (RCV) | 10A |
| IGN COIL | Ignition coils | 20A |
| ECU 1 | Engine Control Module (ECM) | 30A |
| SPARE | - | 10A |
| SPARE | - | 15A |
| SPARE | - | 20A |
| WIPER | Body Control Module (BCM), rain sensor, windshield wiper switch | 10A |
| VACUUM PUMP | Brake vacuum pump | 20A |
| AMS | Alternator Management System (AMS) / Battery sensor | 10A |
| TCU 1 | Transmission Control Module (TCM) | 20A |
| STOP LAMP | Hill-Start Assist Control (HAC) relay, brake light relay | 15A |
| DECISER | Front windshield deicer relay | 20A |
| IG1 | Ignition switch (IG1) | 40A |
| B+ 1 | Battery power supply (B+) | 50A |
| B+ 2 | Battery power supply (B+) | 60A |
| C/FAN 2 | Radiator cooling fan 2 | 60A |
| IG 2 | Ignition switch, IG2 relay | 40A |
| ESC 1 | Electronic Stability Control (ESC) B+, ABS valve A/B B+ | 40A |
| ESC 2 | ESC valve B+ | 40A |
| RR HTD | Rear window defroster relay | 40A |
| B+ 3 | Battery power supply (B+) | 60A |
| MDPS | Motor Driven Power Steering (MDPS / EPS) | 80A |
| SPARE | Spare | 25A |
| C/FAN 1 | Radiator cooling fan 1 | 50A |
| BLOWER | HVAC blower motor relay | 40A |
| EPB 2 | Electric Parking Brake (EPB) / BATT2 | 30A |
| EPB 1 | Electric Parking Brake (EPB) / BATT1 | 30A |
| ECU 2 | Engine Management System (EMS) B+ | 40A |
| ECU 4 | Engine Control Module (ECM) | 10A |
| TCU 2 | Vehicle speed sensor, inhibitor/transaxle range switch, electric oil pump inverter | 15A |
| ESC 3 | ESC system (IGN1) | 10A |
| B/UP LAMP | Electrochromic rearview mirror, BCM, backup lamps (LH/RH) | 10A |
| A/CON | Air conditioning control module (automatic climate control) | 10A |
Type 2
Part number: 91955-2T730. Models with 2.4L Theta II GDI engine.
| Diagram | ||
|---|---|---|
|
||
| Name | Description | Rating |
| A/CON | Air conditioning control module (automatic climate control) | 10A |
| AMS | Battery sensor | 10A |
| B/UP LAMP | Electrochromic rearview mirror, BCM, backup lamps (LH/RH) | 10A |
| B+ 1 | Battery power supply (B+) | 50A |
| B+ 2 | Battery power supply (B+) | 60A |
| B+ 3 | Battery power supply (B+) | 60A |
| BLOWER | HVAC blower motor relay | 40A |
| C/FAN | Radiator cooling fan relay | 50A |
| DECISER | Windshield deicer relay | 20A |
| ECU 1 | Engine Control Module (ECM) | 30A |
| ECU 2 | Engine Management System (EMS) B+ | 40A |
| ECU 3 | Powertrain Control Unit (GDI) battery direct feed | 15A |
| ECU 4 | Engine Control Module (ECM) | 10A |
| EPB 1 | Electric Parking Brake (EPB) 1 | 30A |
| EPB 2 | Electric Parking Brake (EPB) 2 | 30A |
| ESC 1 | Electronic Stability Control (ESC), ABS valve diagnostics A/B B+ | 40A |
| ESC 2 | ESC valve B+ | 40A |
| ESC 3 | ESC system (IGN1) | 10A |
| F/PUMP | Fuel pump fuse | 20A |
| HORN | Horn (left/right) | 15A |
| IG2 | Ignition switch, IG2 relay | 40A |
| IG1 | Ignition switch (IG1) | 40A |
| IGN COIL | Ignition coils | 20A |
| INJECTOR | Fuel injection system | 10A |
| INVERTER | Electric oil pump inverter | 50A |
| MDPS | Motor Driven Power Steering (MDPS / EPS) module | 80A |
| RR HTD | Engine compartment box rear defroster relay | 40A |
| RR HTD | Rear window defroster relay 1 | 40A |
| SENSOR 1 | Upstream/downstream oxygen sensors | 15A |
| SENSOR 2 | Crankshaft position sensor, Variable Induction System (VIS), oil control valves 1 & 2, Purge Control Solenoid Valve (PCSV), Canister Close Valve (CCV) | 10A |
| SENSOR 3 | Camshaft position sensors 1 & 2, SMARTRA immobilizer | 10A |
| SPARE | Spare | 10A |
| SPARE | Spare | 15A |
| SPARE | Spare | 20A |
| SPARE | Spare | 25A |
| STOP LAMP | Hill-Start Assist Control (HAC) relay, brake light relay | 15A |
| TCU 1 | Transmission Control Module (TCM) | 20A |
| TCU 2 | Vehicle speed sensor, inhibitor/transaxle range switch, electric oil pump inverter | 15A |
| WIPER | Body Control Module (BCM), rain sensor, windshield wipers | 10A |
Type 3
Part number: 91955-2T750.
| Diagram |
|---|
|
| RR HTD – Rear window defroster relay |
| F/PUMP – Fuel pump relay (20A) |
| INJECTOR – Fuel injectors (10A) |
| IGN COIL – Ignition coils (20A) |
| AMS – Battery sensor (10A) |
| STOP LAMP – HAC relay, brake light relay (15A) |
| IG1 – Ignition switch (40A) |
| IG2 – Ignition switch, IG2 relay (40A) |
| RR HTD – Rear window defroster fuse (40A) |
| INVERTER – Electric oil pump inverter (50A) |
| B/UP LAMP – Electrochromic mirror, backup lamps (LH/RH) |
| RAIN SENSOR – Multifunction switch, windshield wipers, rain sensor |
| Individual Relay Designation |
|---|
|
| 1. Windshield deicer relay, 2. Smart Key Module (SMK) relay, 3. Hill-Start Assist Control (HAC) relay, 4. Rain sensor relay, 5. Cooling fan relay, 6. Horn relay, 7. Windshield wiper relay, 8. Spare, 9. Spare, 10. Starter relay, 11. A/C fan relay (Low), 12. A/C fan relay (High), 13. Fuel pump relay, 14. Horn relay, 15. Rear window defroster relay, 16. Engine Control Module (ECM) relay, 20. Spare |
Auxiliary Fuse Box (Diesel Engine)
Located in the front section of the engine compartment (diesel models only).
| Diagram |
|---|
|
| 80A – Glow plugs; PTC HEATER – PTC auxiliary heater; 30A – Fuel filter heater |
Main Fuse Link
Located on the battery positive (+) terminal. Designed as a multi-fuse / fusible link assembly.
Passenger Compartment
The interior fuse panel is located behind the trim panel on the driver’s side of the dashboard.
Remove the access cover to expose the fuse panel.
Type 1
Representative diagram shown below.
| Diagram | |
|---|---|
|
|
| No. | Description |
| F1 | Drive mode switch, key interlock solenoid (without Smart Key) |
| F2 | Smart Key control module (with Smart Key) |
| F3 | Front power outlet (cigarette lighter fuse) |
| F4 | Smart Key control module (with Smart Key), rear seat heater relay (LH/RH), engine compartment fuse box (Relay 2) |
| F5 | Body Control Module (BCM), panoramic sunroof, rain sensor |
| F6 | Spare |
| F7 | Trunk lid relay, trunk release switch, trunk latch motor, ICM relay box (fuel filler door release relay) |
| F8 | Door courtesy lamps (driver/passenger), power mirror switch, HVAC control module, dashboard accent lighting, overhead console lamp, audio amplifier, BCM, Smart Key control module, audio head unit, navigation system |
| F9 | Cigarette lighter fuse |
| F10 | Heated steering wheel module |
| F11 | HVAC control module, engine compartment fuse box (Relay 14) |
| F12 | Engine compartment fuse box (Relays 11/12), multifunction switch, front wiper motor |
| F13 | Climate-controlled seat module (front driver/passenger), heated seat module (without ventilation) |
| F14 | Spare |
| F15 | Power folding exterior mirrors (LH/RH) |
| F16 | Climate-controlled seat module (front driver/passenger), seat heater module, heated/ventilated seat switch panel |
| F17 | Instrument cluster |
| F18 | Smart Key control module (with Smart Key), security alarm relay (without Smart Key) |
| F19 | Rear seat heater relay (LH/RH) |
| F20 | Power passenger seat switch |
| F21 | Rear fog lamp relay |
| F22 | Headlight leveling actuators (LH/RH), Vehicle Stability Management (VSM), Auto Headlight Leveling Device (Auto HLLD), Manual Headlight Leveling Device (Manual HLLD), shift indicator, instrument cluster, electrochromic mirror, Integrated Memory System (IMS), rear parking assist buzzer, HVAC control module, Lane Keep Assist System (LKAS), Parking Assist System (PAS) |
| F23 | Spare |
| F24 | Electrical seat belt system (EFD), seat belt reminder indicator (RHD), hazard switch |
| F25 | Safety power window module (driver LHD / passenger RHD), LH rear safety power window module, LH power window relay |
| F26 | Audio amplifier |
| F27 | Smart Key control module, smart key slot, engine Start/Stop button |
| F28 | Spare |
| F29 | Crash pad switch panel, Motor Driven Power Steering (MDPS) module, steering angle sensor (without MDPS) |
| F30 | Smart Key control module (with Smart Key) |
| F31 | Safety power window module (driver RHD / passenger LHD), RH rear safety power window module, RH power window relay |
| F32 | Driver seat Integrated Memory System (IMS) module, power driver seat switch, 2-way lumbar support switch |
| F33 | Door lock/unlock relays, turn signal relay, deadbolt/double lock relay (RHD) |
| F34 | Panoramic sunroof module |
| F35 | Engine compartment fuse box feed (fuses F11, F12, F13) |
| F36 | Audio/Video/Navigation (AVN) head unit |
| F37 | Outside door handle smart key sensors (LH/RH), door courtesy lamps, HVAC control module, ignition key illumination switch (without Smart Key), RF receiver (with Smart Key), driver IMS module, BCM, power mirror switch, auto light sensor, Data Link Connector (DLC / OBD-II), door puddle lamps, instrument cluster, photo & auto light sensor |
| The rear side of the fuse panel may house relays for the power windows (LH/RH), trunk lid release, and door locks. | |
Type 2
Representative diagram shown below.
| Diagram | ||
|---|---|---|
|
||
| Name | Description | Rating |
| MULTIMEDIA | ISG Low DC/DC converter, UVO Audio/Navigation head unit, Telematics Control Unit (TMU) | 15A |
| PDM 1 | Smart Key control module (Power Distribution Module 1) | 25A |
| SPARE | Spare | 10A |
| PDM2 | Smart Key control module, Start/Stop button switch | 10A |
| P/SEAT(PASS) | Power passenger seat switch | 20A |
| AMP | Audio amplifier | 30A |
| P/SEAT (DRV) | Driver seat IMS module, power driver seat switch, 2-way lumbar switch | 30A |
| MEMORY 2 | Smart Key RF receiver (PIC) | 7.5A |
| TRUNK | Trunk lid release relay, trunk room lamp | 10A |
| MODULE 7 | Drive mode switch (Sport mode), rear power window switches | 10A |
| DR LOCK | Door lock/unlock relays, deadbolt relay (RHD), turn signal chime/relay | 20A |
| S/HEATER (RR) | Rear seat heater relay (LH/RH) | 20A |
| P / WDW (RH) | Driver safety power window module (RHD), passenger safety power window module (LHD), RH rear safety power window module, RH power window relay | 25A |
| P / WDW (LH) | Driver safety power window module (LHD), passenger safety power window module (RHD), LH rear safety power window module, LH power window relay | 25A |
| MODULE 2 | Body Control Module (BCM), panoramic sunroof module, rain sensor | 10A |
| BRAKE SWITCH | Smart Key control module, Start/Stop button switch, smart key slot, brake light switch | 10A |
| MEMORY 1 | IMS memory module, power folding mirror module, instrument cluster, HVAC module, ECM, TPMS module, power outlet, photo/auto light sensor | 10A |
| SUNROOF | Panoramic sunroof module | 20A |
| S / HEATER (FRT) SEAT VENT (FRT) |
Front heated and ventilated seat module | 20A |
| SPARE | Spare | 10A |
| A / BAG IND | Airbag indicator / Instrument cluster | 10A |
| MODULE 3 | Drive mode switch, key interlock solenoid (without Smart Key) | 10A |
| MODULE 4 | Climate Control Seat (CCS) module, front seat heater module, seat heating/ventilation switches, electric oil pump inverter, ISG Low DC/DC converter, TPMS module | 10A |
| A/BAG | SRS Airbag Control Module (IGN1), Passenger Weight Classification System (WCS IG1) | 15A |
| INTERIOR LAMP | Outside door handle smart key sensors, door courtesy lamps, HVAC control module, ignition key illumination switch, RF receiver, driver IMS module, BCM, Data Link Connector (DLC/OBD-II), door puddle lamps, power mirror switch, photo & auto light sensor, battery saver relay, instrument cluster | 10A |
| CLUSTER | Instrument cluster (IGN1) | 10A |
| MDPS | Hazard switch, Motor Driven Power Steering (MDPS) module, steering angle sensor (non-MDPS), transaxle shift indicator, parking brake switch & module | 7.5A |
| PDM 3 | Smart Key control module (PDM 3) | 7.5A |
| EPB | Electric Parking Brake (EPB) module | 10A |
| SPARE | Spare | 20A |
| IG 1 | Engine compartment fuse box (IG1 feed) | 25A |
| SPARE | Spare | 10A |
| POWER OUTLET | Front power outlet (cigarette lighter) | 20A |
| MODULE 1 | Auto Headlight Leveling Device (Auto HLLD) module, manual HLLD switch, headlight leveling actuators (LH/RH), BCM, Smart Parking Assist System (SPAS) module, instrument cluster, electrochromic mirror, HVAC control module, driver IMS module, rear parking assist buzzer, Lane Keep Assist System (LKAS) | 10A |
| START | Burglar alarm relay / Start relay | 7.5A |
| HTD STRG | Heated steering wheel module | 15A |
| MODULE 5 | Smart Key control module, rear seat heater relay, engine compartment fuse box (Relay 2), fuel filter heater relay (diesel) | 7.5A |
| A/CON | HVAC control module, engine compartment fuse box (Relay 14) | 7.5A |
| SPARE | Spare | 15A |
| WIPER | Windshield wiper and washer motor | 25A |
| C/LIGHTER | Cigarette lighter fuse (Kia Optima TF) | 20A |
| MODULE 6 | Panoramic sunroof (IG2), cluster ionizer, diesel auxiliary fuse box, rear seat heater module | 7.5A |
| HTD MIRR | Heated exterior mirrors | 10A |