Hyundai Sonata 7 (LF) fuse and relay

The 1st generation Hyundai Sonata 7 (LF) was produced in 2014, 2015, 2016, 2017, 2018, 2019, 2020. In our publication you will find a designation of the 7th generation Hyundai Sonata fuses and relays with photographs and box diagrams, as well as show where they are located. Note the cigarette lighter fuse.

Hyundai Sonata 7

Check the actual purpose of fuses and relays with your diagrams, there may be a difference in the presented material and your box.

Passenger compartment fuse box

This box is located at the bottom of the dashboard, behind a protective cover.

Hyundai Sonata 7 unit box

Legend from the box cover

Scheme from the cover



Protected components

SAFETY WINDOW LH25A Module Electric Glass Lift Driver Safety
P/SEAT PASS30A Manual switch in passenger seat
P / WDW LH20A Main switch of electric glass lifter, rear left module of electric glass lifter
P/WDW RH25A Electric lift glass main switch, rear right electric lift glass module, passenger door module, electric passenger lift glass switch
DR LOCK20A Door lock relay, door unlock relay
S/HEATER FRT25A Seat module with front seat ventilation, Front seat heating module
BRAKE SWITCH10A Brake Light Switch, Immobilizer Module, Smart Key Control Module
8 MODULE7.5A BCM Smart Key Control Module
SAFETY POWER WINDOW RH25A Passenger safety glass electric glass module
SMART KEY15A Smart key control module
TRUNK10A Trunk lid relay, fuel filler door and trunk lid switch
7 MODULE10A Digital Clock Driver / Passenger Door Module
INTERIOR LAMP10A Ignition key III. & Door warning switch, Washbasin front lamp switch, L / R, Overhead console lamp, Interior lamp, L / R rear personal lamp, Luggage compartment lamp, Driver / passenger external smart key handle
2 MEMORY7.5A Not used
P/SEAT DRV30A Driver seat manual control switch, driver IMS module
CLUSTER10A Instrument panel
4 MODULE10A Immobilizer module, smart key control module
MULTI MEDIA15A Head audio / video and navigation device
1 MEMORY10A Driver / Passenger Door Module, Driver IMS Module, Air Condition Control Module, Auto Light and Photo Sensor, Electrochromic Mirror, Instrument Cluster, Tire Pressure Monitoring Module, Digital Clock, Wireless Charger, Head Audio / Video and Navigation Device
S/HEATER RR25A Rear seat heating module
2 SUN ROOF20A Panoramic sunroof motor
9 MODULE7.5A Seat module with front seat ventilation, Front seat heating module, Rear seat heating module
MDPS7.5A MDPS unit (column type / rack type)
3 MODULE10A BCM, sport mode switch, brake light switch
1 MODULE7.5A Key solenoid valve, driver / passenger door module
1 SUN ROOF20A [Panoramic] Sunroof motor with panoramic [No panorama] Sunroof motor
A / CON7.5A A / C Control Module, E / R Junction Box (Fan Relay)
2 MODULE10A A / V & Navigator Head Unit, Digital Clock, USB Charger, BCM, AMP, Power Mirror Switch, Wireless Charger, Smart Key Control Module, Ceiling Console Lamp, E / R Junction Box (Power Outlet Relay)
A/BAG IND7.5A Instrument panel
6 MODULE10A Multipurpose Test Connector, A / C Control Module, A / V & Navigation Head Unit, Ventilated Front Seat Module, Front Seat Heater Module, Rear Seat Heating Module, Driver IMS Module, Left / Right Headlight (DBL), ATT Shift Lever IND.
AMP25A Amplifier AMP (JBL / MOBIS)
HTD STRG15A Heated steering wheel, BCM
5 MODULE10A Front Console Switch, Tire Pressure Monitor Module, Lane Keeping Assist Module, Intelligent Cruise Control Unit, Fuel Cap / Trunk Lid Switch, AEB Module, Headlight Left / Right (DBL), Rear Left / Right Assist Sensor when parking, rear parking aid LH / RH sensor (center), blind spot detection radar left / right
IG125A PCB block (fuse – VACUUM PUMP2 / TCU2 / ECU3 / ABS3)
WASHER15A Multi function switch (wiper lower friction switch and washer switch)
POWER OUTLET20A front socket
A/BAG15A SRS control module, presence sensor
START7.5A [Without Smart Key and IMMO.] ICM Relay Box (Burglar Alarm Relay) [With Smart Key / IMMO.] Transmission Range Switch, PCM (G4KJ / G4KH)

For the front cigarette lighter, there is a 20A POWER OUTLET fuse. Elements in the boxes under the hood are responsible for the rest of the sockets.

Engine compartment fuse box

Located on the left side of the engine compartment, next to the battery.

Block under the hood


Block diagram under the hood


IG230A [Without smart key] (start relay), ignition switch, [with smart key] (start relay), PCB assembly (IG2 relay)
BLOWER40A Fan relay
1 Para40A ESC Module
REAR HEATED50A Rear heating relay
1 B+50A Intelligent junction box (IPS2 (4CH), IPS3 (4CH))
1 COOLING FAN50A [G4KH / G4FJ] (cooling fan relay), [G4KJ] (cooling fan relay)
2 COOLING FAN60A [G4KH / G4FJ] (cooling fan relay)
1 MDPS80A MDPS Block (Column Type)
2 ABS30A ESC module, multipurpose control connector
IG140A [Without smart key] Ignition switch, [With smart key] PCB assembly (IG1 / ACC relay)
3 POWER OUTLET40A (Socket relay)
2 B+50A Intelligent junction box (IPS1 (4CH), IPS4 (4CH), IPS5 (4CH), IPS6 (2CH), IPS7 (1CH), Fuse – AMP)
5 B+60A PCB block (engine control relay, fuse -TUC1, ECU1, HORN, AMS, WIPER)
1 B+60A Intelligent connection box (electric lift glass relay, fuse – LEFT SAFETY GLASS, P / SEAT PASS, RIGHT SAFETY WINDOW, P / SEAT DRV, MODULE1, P / WDW LH, P / WDW RH, TRUNK, S / HEATER RR, SUNROOF2 , LUX1)
2 MDPS100A MDPS unit (rack type)
FUEL PUMP20A (Fuel pump relay)
H/LAMP HI20A headlamp high beam relay
1 VACUUM PUMP20A [G4KH / G4FJ] Vacuum pump
1 E-CVVT40A [G4KJ / G4KH] (E-CVVT relay)
4 B+40A Intelligent connection block (fuse for device with automatic leakage current cut-off – INTERNAL LAMP, MULTIMEDIA, MEMORY1, Fuse – DOOR LOCK, S / FRONT HEATER, BRAKE SWITCH, SMART KEY, MODULE10)
A / CON10A Air conditioning control module
HEATED MIRROR10A ECM (G4FJ), A / C control module, power rearview mirror in driver’s seat / front seat
2 VACUUM PUMP10A [G4KH / G4FJ] Vacuum pump, vacuum switch
1 POWER OUTLET20A Front cigarette lighter and socket # 2
FUEL PUMP20A Fuel pump relay
HORN20A Horn Relay, ICM Relay Box (Burglar Alarm Horn Relay)
WIPER30A Front wiper relay (low), front wiper relay (high)
2 TCU15A Transmission Range Switch, TCM (G4FJ-DCT)
3 ABS10A ESC module
2 POWER OUTLET20A Rear socket
B/UP LAMP10A Transmission range switch, PCM (G4KJ / G4KH-A / T), TCM (G4FJ-DCT), electrochromic mirror, rear combination lamp (IN), left / right
1 SENSOR15A Oxygen sensor (up / down)
2 SENSOR15A Purge Control Solenoid Valve, Canister Close Valve, RCV Control Solenoid Valve, Fuel Pump Relay, E / R Junction Box (Cooling Fan High Relay, Fuel Pump Relay), [G4KJ / G4KH] Regulated Intake Solenoid Valve, Oil Control Valve ( outlet), [G4FJ] Oil control valve # 1 / # 2 (inlet / outlet)
1 TCU10А PCM (G4KJ / G4KH-A / T), TCM (G4FJ-DCT)
IGN COIL20A Ignition coil # 1 / # 2 / # 3 / # 4
INJECTOR15A Engine management
AMS10A Battery Gauge

If the cigarette lighter does not work, check the items marked as POWER OUTLET.

And if you have any questions, write in the comments.

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