Repair Fuses: 2016 Kia Optima Hybrid Fuse Diagrams Guide
Maintaining the 2016 Kia Optima Hybrid’s electrical components requires expertise of fuse replacement. Fuse boxes, which are accessible places such as the engine compartment or the driver’s side dashboard, contain fuses that serve as safety measures for different electrical operations. The owner’s handbook or the fuse box lid contains a fuse diagram that offers a comprehensive explanation of the function and amperage rating of each fuse. A fuse of the same amperage must be replaced when it blows, disrupting the circuit. The 2016 Kia Optima Hybrid’s power windows, audio systems, lighting, and other gadgets all operate well thanks to this methodical approach, which makes changing out the fuses a crucial part of regular maintenance for optimum car performance.
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FUSES
A vehicle’s electrical system is protected from electrical overload damage by fuses. This vehicle has 2 fuse panels, one located in the driver’s side panel bolster, the other in the engine compartment near the battery. If any of your vehicle’s lights, accessories, or controls do not work, check the appropriate circuit fuse. If a fuse has blown, the element inside the fuse will melt. If the electrical system does not work, first check the driver’s side fuse panel. Before replacing a blown fuse, disconnect the negative battery cable. Always replace a blown fuse with one of the same rating. If the replacement fuse blows, this indicates an electrical problem. Avoid using the system involved and immediately consult an authorized Kia dealer. Three kinds of fuses are used: blade type for lower amperage rating, cartridge type, and multi fuse for higher amperage ratings.
WARNING – Fuse replacement
- Never replace a fuse with anything but another fuse of the same rating.
- A higher capacity fuse could cause damage and possibly a fire.
- Never install a wire or aluminum foil instead of the proper fuse – even as a temporary repair. It may cause extensive wiring damage and a possible fire.
- Do not arbitrarily modify or add-on electric wiring of the vehicle.
CAUTION – Fuse replacement
Do not use a screwdriver or any other metal object to remove fuses because it may cause a short circuit and damage the system.
NOTICE
The actual fuse/relay panel label may differ depending on equipment/ options.
WARNING – Electrical Fire
- Always ensure replacement fuses and relays are securely fastened when installed. Failure to do so can result in a vehicle fire.
- We recommend that you do not remove fuses, relays, and terminals that are fastened with bolts or nuts. If they are not completely re-installed, such looseness may cause electrical arcing and a possible fire. If fuses, relays, and terminals fastened with bolts or nuts need replacement, consult with an authorized Kia dealer.
CAUTION – Fuse Replacement
Do not input any other objects except fuses or relays into fuse/relay terminals such as a driver or wiring. It may cause contact failure and system malfunction.
Instrument panel fuse replacement
- Turn the hybrid system and all other switches off.
- Open the fuse panel cover.
- Pull the suspected fuse straight out. Use the fuse puller provided in the engine compartment fuse panel.
- Check the removed fuse; replace it if it is blown.
- Push in a new fuse of the same rating, and make sure it fits tightly in the clips.
If it fits loosely, consult an authorized Kia dealer. If you do not have a spare, use a fuse of the same rating from a circuit you may not need for operating the vehicle, such as the cigar lighter fuse. If the headlights or other electrical components do not work and the fuses are OK, check the fuse block in the engine compartment. If a fuse is blown, it must be replaced.
Fuse switch
Always, put the fuse switch at the ON position. If you move the switch to the OFF position, some items such as the audio and digital clock must be reset and the transmitter (or smart key) may not work properly.
- Always place the transportation fuse switch in the ON position while driving the vehicle.
- Do not move the transportation fuse switch repeatedly. The fuse switch may be worn out.
✽ NOTICE
If you need to park your vehicle for prolonged periods of more than 1 month, move the transportation fuse switch to the OFF position to prevent the battery from being discharged.
Engine compartment panel fuse replacement
- Turn the hybrid system and all other switches off.
- Remove the fuse box cover by pressing the tap and pulling up the cover. When the blade-type fuse is disconnected, remove it by using the clip designed for changing fuses located in the engine room fuse box. Upon removal, securely insert reserve fuse of equal quantity.
- Check the removed fuse; replace it if it is blown. To remove or insert the fuse, use the fuse puller in the engine compartment fuse panel.
- Push in a new fuse of the same rating, and make sure it fits tightly in the clips. If it fits loosely, consult an authorized Kia dealer.
CAUTION – Fuse panel covers
After checking the fuse panel in the engine compartment, securely install the fuse panel cover to prevent electrical failures which may occur from water leaking in.
Main fuse
If the main fuse is blown, it must be removed as follows:
- Turn off the hybrid system.
- Disconnect the negative battery cable.
- Remove the nuts shown in the picture above.
- Replace the fuse with a new one of the same rating.
- Reinstall in the reverse order of removal.
CAUTION
Visually inspect the battery cap to ensure it is securely closed. If the battery cap is not securely closed, moisture may enter the system and damage the electrical components.
Multi fuse
If the multi fuse is blown, it must be removed as follows:
- Remove the fuse panel in the engine compartment.
- Remove the nuts shown in the picture above.
- Replace the fuse with a new one of the same rating.
- Reinstall in the reverse order of removal.
Fuse/relay panel description
Inside the fuse/relay panel covers you can find the fuse/relay label describing fuse/relay name and capacity.
Instrument fuse panel
NOTICE
Not all fuse panel descriptions in this manual may be applicable to your vehicle. It is accurate at the time of printing. When you inspect the fuse panel in your vehicle, refer to the fuse panel label.
Inner Fuse panel
| Description | Fuse Rating | Protected Component |
| MULTIMEDIA | 15A | AUDIO_UVO, AUDIO (PA30A,B), NAVI_3.0, NAVI_4.0, TMU |
| PDM 1 | 25A | Smart Key Control Module (With Smart Key) |
| SPARE | 10A | – |
| PDM2 | 10A | SMK UNIT, BUTTON START SW |
| P/SEAT(PASS) | 20A | Passenger Seat Manual Switch |
| AMP | 30A | AMP |
| P/SEAT(DRV) | 30A | Driver IMS Module, Driver Seat Manual Switch, Driver Lumbar Support Switch (2WAY) |
| MEMORY 2 | 7.5A | PIC_RF_RECEIVER |
| TRUNK | 10A | Trunk Lid Relay, Trunk Room Lamp |
| MODULE 7 | 10A | SPORT_MODE_SW, RR POWER WINDOW SW |
| DR LOCK | 20A | Door Lock/Unlock Relay, Turn Signal Lamp Sound Relay |
| S/HEATER(RR) | 20A | Rear Seat Warmer Relay LH/RH |
| P/WDW(RH) | 25A | Passenger Safety Power Window Module (LHD), Rear Safety Power Window Module RH, Power Window RH Relay |
| P/WDW(LH) | 25A | Driver Safety Power Window Module (LHD), Rear Safety Power, Window Module LH, Power Window LH Relay |
| MODULE 2 | 10A | BCM, Panorama Sunroof, Rain Sensor |
| Description | Fuse Rating | Protected Component |
| BRAKE SWITCH | 10A | Smart Key Control Module, Start Stop Button Switch, Stop Lamp Switch |
| MEMORY 1 | 10A | SEAT EXTN (IMS), DR_TRIM_EXTN (FOLD’G), CLUSTER, A/CON, ECM, AUTO FOLDING RLY, TPMS, POWER OUTLET, A_L_PHOTO_SNSR, MUT |
| SUNROOF | 20A | Panorama Sunroof |
| S/HEATER(FRT) SEAT VERNT(FRT) | 20A | SEAT_EXTN (HEAT/VENT) |
| SPARE | 10A | – |
| A/BAG IND | 10A | Instrument Cluster |
| MODULE 3 | 10A | Sport Mode Switch |
| MODULE 4 | 10A | Driver/Passenger CCS Control Module (With CCS), Driver/Passenger Seat Warmer Module (W/O CCS), Front Seat Warmer & CCS Switch, Oil Pump Inverter, Tire Pressure Monitoring Module |
| A/BAG | 15A | A/BAG UNIT IG1 , WCS_PASS IG1 |
|
INTERIOR LAMP |
10A |
Driver/Passenger Smart Key Outside Handle (With Smart Key), Driver/Passenger Door Lamp, A/C Control Module, RF Receiver (With Smart Key), Driver IMS Module, BCM, Data Link Connector, Driver/Passenger Door Scuff Lamp, Power Outside Mirror Switch, Lamp Auto Cut Relay, Instrument Cluster |
| CLUSTER | 10A | CLUSTER (IGN1) |
| MDPS | 7.5A | Crash Pad Switch, EPS Control Module (With MDPS), ATM Lever Indicator, EPB Switch, EPB Control Module |
| PDM 3 | 7.5A | Smart Key Control Module (With Smart Key) |
| Description | Fuse Rating | Protected Component |
| EPB | 10A | EPB |
| HEV ECU | 20A | HCU UNIT IG1 |
| IG 1 | 25A | E/R BOX IG1 |
| BMS | 10A | BMS UNIT B+ |
| POWER OUTLET | 20A | Front Power Outlet |
|
MODULE 1 |
10A |
Auto Head Lamp Leveling Device Module (Auto HLLD), Head Lamp Leveling Device Switch (Manual HLLD), Head Lamp Leveling Device Actuator LH/RH, BCM, Front Smart Parking Assist Sensor Module, Instrument Cluster, Electro Chromic Mirror, A/C Control Module, Driver IMS Module, Rear Parking Assist Buzzer, Lane Keeping Assist Module |
| START | 7.5A | B/ALARM RLY |
| HTD STRG | 15A | Steering Wheel Heater |
| MODULE 5 | 7.5A | Smart Key Control Module (With Smart Key), Rear Seat, Warmer Relay LH/RH, E/R Fuse & Relay Box (RLY.2), Diesel Box (Fuel Filter Relay) |
| A/CON | 7.5A | A/C Control Module, E/R Fuse & Relay Box (RLY.14) |
| SPARE | 15A | – |
| WIPER | 25A | E/R BOX WIPER RLY |
| C/LIGHTER | 20A | Cigarette Lighter |
| MODULE 6 | 7.5A | PANORAMA SUNROOF (IG2), IONIZER, DSL_BOX, RR_SEAT_WARMER |
| HTD MIRR | 10A | Driver/Passenger Power Outside Mirror |
Engine compartment fuse panel
NOTICE
Not all fuse panel descriptions in this manual may be applicable to your vehicle. It is accurate at the time of printing. When you inspect the fuse panel in your vehicle, refer to the fuse panel label.
Engine Compartment fuse panel
| Description | Fuse Rating | Protected Component |
| RR HTD | 40A | E/R BOX RR HTD RLY COIL |
| HORN | 15A | HORN (LH, RH) |
| F/PUMP | 20A | FUEL PUMP MTR |
| ECU 3 | 15A | PCU (GDI) BATT. DIRECT |
| SENSOR 1 | 15A | DN O2 SENSOR (GDI), UP O2 SENSOR (GDI) |
| INJECTOR | 10A | E/R BOX F/PUMP RLY COIL |
| SENSOR 3 | 10A | CMP1, 2 (GDI, TGDI), SMATRA IMMOBILIZER |
| SENSOR 2 | 10A | CKP (GDI), VIS (GDI), OCV1, 2 (GDI), PCSV (GDI), CCV (GDI) |
| IGN COIL | 20A | ENGINE IG COIL |
| ECU 1 | 30A | ECU RLY |
| SPARE | 10A | – |
| SPARE | 15A | – |
| SPARE | 20A | – |
| WIPER | 10A | BCM, RAIN SNSR, WIPER MTR |
| AMS | 10A | BATTERY SENSOR |
| Description | Fuse Rating | Protected Component |
| OPCU 1 | 20A | OPCU UNIT B+ |
| OPCU 2 | 20A | OPCU UNIT IG1 |
| TCU 1 | 20A | TCU |
| STOP LAMP | 15A | RLY.10 (HAC Relay), STOP LAMP RELAY |
| DEICER | 20A | RLY.7 (Deicer Relay) |
| IG1 | 40A | IGN SW |
| B+ 1 | 50A | B+ |
| B+ 2 | 60A | B+ |
| BLOWER | 40A | RLY.14 (Blower Relay) |
| IG 2 | 40A | IGN SW, IG2 RLY |
| AHB 1 | 40A | ESC UNIT MOTOR B+, DIAGNOSIS ABS A/B VALVE B+ |
| AHB 2 | 40A | ESC UNIT SOLENOID B+ |
| RR HTD | 40A | RLY.1 (RR HTD Relay) |
| B+ 3 | 60A | B+ |
| MDPS | 80A | EPS Control Module |
| HEV HCU | 20A | TCU UNIT B+ |
| BATTERY C/FAN | 20A | BMS |
| Description | Fuse Rating | Protected Component |
| INVERTER | 50A | O_P_INVERTER |
| EPB 2 | 30A | EPB UNIT BATT2 |
| EPB 1 | 30A | EPB UNIT BATT1 |
| ECU 2 | 40A | EMS BOX (B+) |
| ECU 4 | 10A | ENGINE ECU |
| TCU 2 | 15A | SPEED SNSR, POSITION SW, O_P_INVERTER |
| AHB 3 | 10A | ESC UNIT IGN1 |
| B/UP LAMP | 10A | ELECTROCHROMIC MIRROR, BCM, REAR COMBINATION LAMP (IN) LH/RH |
| EWP | 10A | WATER PUMP MTR B+ |
How to replace the Fuses of the 2016 Kia Optima Hybrid
The process of replacing fuses in a 2016 Kia Optima Hybrid is generally similar to other vehicles. Here’s a step-by-step guide:
Materials Needed:
- New fuse (ensure it has the same amperage as the one you are replacing)
- Fuse puller or needle-nose pliers
Instructions:
-
Locate the Fuse Box:
- The fuse box in your Kia Optima Hybrid is typically located in one of two places: under the dashboard on the driver’s side or in the engine compartment.
-
Turn Off the Ignition:
- Ensure that the ignition is turned off before attempting to replace a fuse to avoid electrical hazards.
-
Use a Fuse Puller or Pliers:
- If your fuse box comes with a fuse puller, use it to grasp and pull out the faulty fuse. If you don’t have a fuse puller, you can use needle-nose pliers to carefully grip and remove the fuse.
-
Inspect the Fuse:
- Examine the removed fuse. If the metal strip inside is broken or the fuse appears discolored, it is likely blown and needs replacement.
-
Insert the New Fuse:
- Take a new fuse with the same amperage rating and push it into the slot where the old fuse was. Ensure it is securely seated.
-
Secure the Fuse Box Cover:
- If you removed a cover from the fuse box to access the fuses, reattach it securely.
-
Test the Electrical Component:
- Turn on the ignition and test the electrical component associated with the fuse you replaced to ensure it is functioning correctly.
Tips:
- Always use a fuse with the same amperage rating as the one you are replacing. Using a fuse with a different rating can lead to electrical issues or damage.
- Exercise caution when handling fuses and electrical components to avoid injury or damage to your vehicle.
FAQs
Fuses protect electrical components from overloading, so if a certain system fails, it’s a good idea to check and replace the fuse if necessary.
Look for a melted or broken wire inside the fuse. The window on top of the fuse should be transparent, and you should be able to see if the wire is intact.
The fuse box is usually located in the engine compartment or under the dashboard.
Replacing a fuse is generally a straightforward task. However, if you’re unsure or uncomfortable, it’s best to consult a professional.
Most fuses can be replaced with a fuse puller or a pair of needle-nose pliers. Make sure to have the correct replacement fuse as well.
The amperage is usually printed on the top of the fuse. It’s crucial to replace it with a fuse of the same amperage to avoid damaging the electrical system.
No, it’s essential to use the correct amperage fuse. Using a higher amperage fuse can lead to electrical system damage or even a fire hazard.
Yes, the fuse box may be divided into sections, each corresponding to a specific system (e.g., lights, radio, power windows).
If a fuse consistently blows, there may be an underlying issue. Consult your dealer or a mechanic to identify and fix the root cause.
The fuse diagram illustrates the location and amperage of each fuse, helping you identify which one corresponds to the faulty system.
While colour coding can help identify fuses, it’s crucial to focus on the amperage. Always use a fuse with the correct amperage, regardless of its color.
Regularly inspect your fuses during routine maintenance checks. Replace any blown fuses immediately.
Yes, extreme temperatures can impact fuse performance. Store spare fuses in a cool, dry place.