Replacing Fuses 2018 Hyundai Elantra | Fuse Diagrams Guide
Here is a quick method to change the fuses in your 2018 Hyundai Elantra. Fuses are essential parts of the electrical system in your car because they shield different circuits from harm from electrical overloads. A blown fuse may be the cause of any electrical problems you’ve experienced with your Elantra, such as a broken light or accessory. It’s critical to comprehend your vehicle’s fuse layout and associated circuits before beginning any replacement work. For a comprehensive schematic showing the fuse locations and their corresponding functions, consult your owner’s manual or the fuse box lid. You can use this information to determine which fuse needs to be replaced.
2023 Hyundai Elantra Specs, Price, Features, Milage (Brochure)
Fuses
A vehicle’s electrical system is protected from electrical overload damage by fuses. This vehicle has 2 (or 3) fuse panels, one located in the driver’s side panel bolster, and 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 be melted or broken. If the electrical system does not work, first check the driver’s side fuse panel. Before replacing a blown fuse, turn the engine and all switches off, and then 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 HYUNDAI dealer.
WARNING
NEVER replace a fuse with anything but another fuse of the same rating.
- A higher capacity fuse could cause damage and possibly cause a fire.
- Do not install a wire or aluminum foil instead of the proper fuse – even as a temporary repair. It may cause extensive wiring damage and possibly a fire.
NOTICE
Do not use a screwdriver or any other metal object to remove fuses because it may cause a short circuit and damage the system.
Instrument Panel Fuse Replacement
- Turn the engine off.
- Turn all other switches OFF.
- Open the fuse panel cover.
- Refer to the label on the inside of the fuse panel cover to locate the suspected fuse location.
- Pull the suspected fuse straight out. Use the removal tool provided in the engine compartment fuse panel.
- Check the removed fuse; replace it if it is blown. Spare fuses are provided in the instrument panel fuse panels (or 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 HYUNDAI dealer.
In an emergency, if you do not have a spare fuse, use a fuse of the same rating from a circuit you may not need for operating the vehicle.
If the headlamps or other electrical components do not work and the fuses are undamaged, check the fuse panel in the engine compartment. If a fuse is blown, it must be replaced with the same rating.
Fuse switch
Always, place the fuse switch to the ON position. If you move the switch to the OFF position, some items such as the audio system and digital clock must be reset and the smart key may not work properly.
Information
If the fuse switch is OFF, the above message will appear.
NOTICE
- Always place the fuse switch in the ON position while driving the vehicle.
- Do not move the fuse switch repeatedly. The fuse switch may be damaged.
Engine Compartment Panel Fuse Replacement
- Turn the engine off.
- Turn all other switches OFF.
- Remove the fuse panel cover by pressing the tap and pulling up.
- 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 HYUNDAI dealer.
CAUTION
After checking the fuse box in the engine compartment secure-ly close the fuse box cover inside the engine compartment, until it clicks.
If the fuse box is not closed properly, water may leak inside, possibly causing a malfunction with the electrical system.
Main fuse
If the main fuse is blown, it must be removed as follows:
- Turn off the engine.
- Disconnect the negative battery cable.
- Remove the fuse panel cover by pressing the tab and pulling it up.
- 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.
Information
If the main fuse is blown, consult an authorized HYUNDAI dealer.
Multi fuse
If the multi fuse is blown, it must be removed as follows:
- Turn off the engine.
- Disconnect the negative battery cable.
- Remove the fuse panel cover by pressing the tab and pulling it up.
- 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.
Information
If the multi fuse is blown, consult an authorized HYUNDAI dealer.
Fuse/Relay Panel Description
Instrument panel fuse panel
Inside the fuse/relay box cover, you can find the fuse/relay label describing fuse/relay names and ratings.
Information
Not all fuse panel descriptions in this manual may be applicable to your vehicle; the information is accurate at the time of printing. When you inspect the fuse box on your vehicle, refer to the fuse box label.
Instrument panel fuse panel
|
Fuse Name |
Fuse Rating |
Protected Component |
|
MODULE 5 |
7.5A |
Crash Pad Switch, Electro Chromic Mirror, A/V & Navigation Head Unit, A/C Control Module, A/T Shift Lever Indicator, Console Switch LH, Head Lamp Leveling Device LH/RH, |
|
MODULE 3 |
7.5A |
BCM, Sport Mode Switch |
|
SUNROOF 1 |
20A |
Panorama Sunroof |
|
TAIlGATE OPEN |
10A |
Tail Gate Relay |
|
P/WDW (LH) |
25A |
Power Window LH Relay, Driver/Passenger Safety Window Module |
|
MULTIMEDIA |
15A |
A/V & Navigation Head Unit |
|
P/WDW (RH) |
25A |
Power Window RH Relay |
|
P/SEAT DRV |
25A |
Driver Seat Manual Switch |
|
MODULE 4 |
7.5A |
Lane Keeping Assist Module, Blind Spot Detection Radar LH/RH, Stop Lamp Switch, Electric Parking Brake Switch, Autonomous Emergency Braking Module |
|
SMART KEY 2 |
7.5A |
Smart Key Control Module, Immobilizer Module |
|
SUNROOF 2 |
20A |
Panorama Sunroof |
|
INTERIOR LAMP |
7.5A |
Wireless Charger, Vanity Lamp LH/RH, Room Lamp, Overhead Console Lamp, Personal Lamp LH/RH |
|
Fuse Name |
Fuse Rating |
Protected Component |
|
MEMORY 2 |
7.5A |
BCM |
|
MEMORY 1 |
10A |
A/C Control Module, Instrument Cluster, Auto Light & Photo Sensor, Electro Chromic Mirror, ICM Relay Box (Outside Mirror Folding/Unfolding Relay) |
|
AMP |
30A |
AMP |
|
MODULE 6 |
7.5A |
Smart Key Control Module, BCM |
|
MDPS |
7.5A |
MDPS Unit |
|
MODULE 1 |
7.5A |
Hazard Switch, Center Door Lock Switch, Ignition Key Interlock Switch, Driver/Passenger Smart Key Outside Handle, Data Link Connector |
|
MODULE 7 |
7.5A |
Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module |
|
A/BAG IND |
7.5A |
Instrument Cluster, Center Door Lock Switch |
|
BRAKE SWITCH |
7.5A |
Smart Key Control Module, Stop Lamp Switch |
|
START |
7.5A |
Without Smart Key : Ignition Key Switch With Smart Key : Smart Key Control Module |
|
CLUSTER |
7.5A |
Instrument Cluster |
|
DR LOCK |
20A |
Door Lock/Unlock Relay, ICM Relay Box (T/Turn Unlock Relay) |
|
Fuse Name |
Fuse Rating |
Protected Component |
|
AEB |
10A |
Autonomous Emergency Braking Module |
|
S/HEATER |
20A |
Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module |
|
A/CON |
7.5A |
A/C Control Module, Cluster Ionizer, E/R Junction Block (Blower Relay) |
|
SMART KEY 1 |
15A |
Smart Key Control Module, Immobilizer Module |
|
A/BAG |
15A |
SRS Control Module |
|
IG1 |
25A |
PCB Block (ABS3, ECU5, SENSOR4, TCU2) |
|
MODULE 2 |
10A |
Wireless Charger, Smart Key Control Module, BCM, A/V & Navigation Head Unit, Power Outside Mirror Switch, E/R Junction Block (Power Outlet Relay), AMP |
|
WASHER |
15A |
Multifunction Switch |
|
WIPER (LO/HI) |
10A |
ECM/PCM, BCM |
|
WIPER (RR) |
15A |
Rear Wiper Relay, Rear Wiper Motor |
|
HEATED MIRROR |
10A |
Driver/Passenger Power Outside Mirror, A/C Control Module, ECM/PCM |
|
POWER OUTLET |
20A |
Rear Power Outlet #2 |
|
HEATED STEERING |
15A |
BCM |
Engine compartment fuse panel
Inside the fuse/relay box cover, you can find the fuse/relay label describing fuse/relay names and ratings.
Information
Not all fuse panel descriptions in this manual may be applicable to your vehicle; the information 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
|
Fuse Name |
Fuse Rating |
Protected Component |
|
MAIN |
150A |
E/R Junction Block (Fuse – ABS1, ABS2, B/Alarm, Power Outlet1) |
|
MDPS 1 |
80A |
MDPS Unit, Battery |
|
B+5 |
60A |
PCB Block (Fuse – ECU4, ECU3, Horn, Wiper, Engine Control Relay) |
|
B+2 |
60A |
IGPM (Fuse – S/Heater, IPS0, IPS1, IPS2) |
|
B+3 |
60A |
IGPM (IPS3, IPS4, IPS5, IPS6, IPS7, IPS8) |
|
B+4 |
60A |
IGPM (Fuse – AMP, P/WDW LH, P/WDW RH, Tail Gate Open, Sunroof1, Sunroof2, P/Seat (DRV)) |
|
COOLING FAN 1 |
60A |
E/R Junction Block (Cooling Fan1 Relay) |
|
REAR HEATED |
40A |
E/R Junction Block (Rear Heated Relay) |
|
BLOWER |
40A |
E/R Junction Block (Blower Relay) |
|
IG1 |
40A |
Ignition Switch, E/R Junction Block (ACC Relay, IG1 Relay) |
|
IG2 |
40A |
Ignition Switch, E/R Junction Block (IG2 Relay) |
|
PTC HEATER 1 |
50A |
PTC Heater1 |
|
POWER OUTLET 3 |
20A |
Rear Power Outlet 1 |
|
Fuse Name |
Fuse Rating |
Protected Component |
|
POWER OUTLET 2 |
20A |
Front Power Outlet |
|
TCU1 |
15A |
TCM |
|
VACUUM PUMP |
20A |
Vacuum Pump |
|
FUEL PUMP |
20A |
E/R Junction Block (Fuel Pump Relay) |
|
COOLING FAN 2 |
40A |
E/R Juntion Block (Cooling Fan2 Relay, Cooling Fan3 Relay) |
|
B+1 |
40A |
IGPM (Fuse – Door Lock, Smart Key1, Module1, Brake Switch, Reak Current Autocut Device) |
|
DCT 1 |
40A |
TCM |
|
DCT 2 |
40A |
TCM |
|
B/ALARM HORN |
10A |
ICM Relay Box (Burglar Alarm Horn Relay) |
|
ABS 1 |
40A |
Multipurpose Check Connector, ESC Control Module |
|
ABS 2 |
30A |
Multipurpose Check Connector, ESC Control Module |
|
POWER OUTLET 1 |
40A |
E/R Junction Block (Power Outlet Relay) |
|
B/UP LAMP |
10A |
Back-Up Lamp Switch |
- GAMMA 1.6L T-GDI
|
Fuse Name |
Fuse Rating |
Protected Component |
|
SENSOR2 |
10A |
Waste Gate Valve, Purge Control Solenoid Valve, Oil Control Valve #1/#2, RCV Control Solenoid Valve, E/R Junction Block (Cooling Fan2 Relay, Cooling Fan1 Relay) |
|
ECU2 |
10A |
ECM |
|
ECU1 |
20A |
ECM |
|
SENSOR1 |
15A |
Oxygen Sensor (Up), Oxygen Sensor (Down) |
|
IGN COIL |
20A |
Ignition Coil #1/#2/#3/#4 |
|
ECU3 |
15A |
ECM |
|
ECU5 |
10A |
ECM |
|
SENSOR4 |
15A |
Vaccum Pump |
|
ABS3 |
10A |
ESC Control Module, Multipurpose Check Connector, Clutch Master Cylinder |
|
TCU2 |
15A |
E/R Junction Block (Fuse – B/Up Lamp), Transaxle Range Switch, TCM |
|
SENSOR3 |
10A |
E/R Junction Block (Fuel Pump Relay) |
|
ECU4 |
15A |
ECM |
|
WIPER |
25A |
Wiper Relay |
|
HORN |
15A |
Horn Relay |
- NU 2.0L GDI
|
Fuse Name |
Fuse Rating |
Protected Component |
|
SENSOR2 |
10A |
Purge Control Solenoid Valve, Oil Control Valve #1/#2, Variable Intake Solenoid Valve, E/R Junction Block (Cooling Fan2 Relay, Cooling Fan3 Relay) |
|
ECU2 |
10A |
ECM/PCM |
|
ECU1 |
20A |
ECM/PCM |
|
SENSOR1 |
15A |
Oxygen Sensor (Up), Oxygen Sensor (Down) |
|
IGN COIL |
20A |
Ignition Coil #1/#2/#3/#4, Condenser |
|
ECU3 |
15A |
ECM/PCM |
|
ECU5 |
10A |
ECM/PCM |
|
ABS3 |
10A |
ABS/ESC Control Module, Multipurpose Check Connector |
|
ABS3 |
15A |
E/R Junction Block (Fuse – B/Up Lamp), Transaxle Range Switch, TCM |
|
SENSOR3 |
10A |
E/R Junction Block (Fuel Pump Relay) |
|
WIPER |
25A |
Wiper Relay |
|
HORN |
15A |
Horn Relay |
Engine compartment fuse panel (Battery terminal cover)
Inside the fuse/relay box cover, you can find the fuse/relay label describing fuse/relay names and ratings.
Information
Not all fuse panel descriptions in this manual may be applicable to your vehicle; the information is accurate at the time of printing. When you inspect the fuse panel in your vehicle, refer to the fuse panel label.
NOTICE
After checking the fuse panel in the engine compartment, securely install the cover. If it is not securely latched, electrical failure may occur from water contact.
FAQs
In the engine compartment of a 2018 Hyundai Elantra is the fuse box. Usually, it’s close to the battery.
Locate the fuse box cover and open your car’s hood to access the fuse box. Press the tabs to release the cover, then lift it off.
To remove and replace a fuse, you might require a fuse puller tool or a pair of needle-nose pliers.
Blade-type fuses are used in the 2018 Hyundai Elantra. These are sometimes referred to as plug-ins or spade fuses.
There will be a melted or fractured metal strip within a blown fuse. A multimeter can also be used to verify continuity.
The particular circuit in your Hyundai Elantra determines the required fuse size. To find out the correct fuse rating, see your owner’s handbook or the cover of the fuse box.
No, changing a fuse with a greater amp rating is not advised. This could result in a fire or harm to the electrical system.
To change a fuse, find the blown fuse, remove it with pliers or a fuse remover, and then replace it with a new fuse that has the same rating in the slot.
If the blowing fuse persists, there might be a deeper problem with the electrical system. Have a qualified mechanic examine it.
The fuse box typically contains extra fuses. Blowing fuses can be replaced using these.
If a fuse continues blowing, look for any indications of damage or dysfunction in the wiring and other parts connected to the circuit, such as the lights, radio, or power windows.
Replacing fuses doesn’t have to follow a set order, but it’s a good idea to start with the fuse for the problematic component.
It’s recommended to use a fuse that matches the original color because different colors could correspond to different amp ratings.
See a qualified mechanic for additional diagnosis if you can’t find a blown fuse or if the fuse keeps blowing even after it has been replaced.
An owner’s manual or the inside of the fuse box cover are often where you can find a fuse diagram. Fuse diagrams are also available online and in repair manuals.
Useful links
View Full PDF: 2018 Hyundai Elantra Owner’s Manual| Auto User Guide
2023 Hyundai Elantra Specs, Price, Features, Milage (Brochure)