Hyundai Sonata 8th generation was produced in 2019, 2020, 2021, 2022, 2023, 2024 with the DN8 index (eighth generation). During this time, the model has been updated. In our article you can find a description of the fuses and relays of the Hyundai Sonata 8 with block diagrams, their locations and photo examples of execution. Let’s highlight the fuse responsible for the cigarette lighter.

The purpose of fuses and relays, as well as their number, may differ from those presented and depend on the year of manufacture and the level of electrical equipment of your vehicle.
Cabin block
In the car interior, the fuse box is located in the lower left part of the instrument panel.

To access the unit, you must remove the protective cover. On the back of which is the current diagram.


| № | A | Description |
|---|---|---|
| S/HEATER (FRT) | 25 | Front seat heating control module, Front seat ventilation control module |
| TRUNK | 10 | ICU distribution block (trunk lid relay) |
| DOOR LOCK | 20 | ICU junction block (door lock relay, door unlock relay, two-turn unlock relay) |
| MODULE1 | 7,5 | Key solenoid |
| MODULE3 | 10 | Driver door module, passenger seat relaxation unit, emergency switch, emergency panel switch (up), front lamp unit, start/stop button switch, driver/passenger electronic key outside handle |
| S/HEATER (RR) | 25 | Rear seat heating control module |
| P/SEAT (PASS) | 30 | Passenger seat manual switch, passenger seat relaxation unit |
| MODULE6 | 10 | Driver’s door module |
| SAFETY P/WINDOW (RH) | 30 | Passenger safety power window module, right rear power window switch |
| P/SEAT (DRV) | 30 | Driver’s seat manual switch, driver’s IMS module |
| MOTHER1 | 15 | IBU, driver/passenger door NFC module, IAU, BLE unit, ignition lock |
| AMP | 25 | AMP, DC-DC converter (AMP) |
| SAFETY P/WINDOW (LH) | 30 | Driver safety power window module, rear power window switch, left |
| BRAKE SWITCH | 10 | IBU, brake light switch |
| SUNROOF2 | 20 | Panoramic sunroof, data channel connector |
| AIR BAG2 | 10 | SRS control module |
| AIR BAG1 | 15 | SRS control module, occupant detection sensor |
| E-SHIFTER1 | 10 | SCU, ATM electronic switching lever |
| MEMORY | 10 | Driver IMS module, security indicator, air conditioning switch, driver/passenger power exterior mirror, air conditioning control module, instrument cluster, rain sensor, head-up display |
| MULTIMEDIA | 15 | Audio, AV and Navigation Head Unit, DC-DC Converter (AMP/Audio) |
| SUNROOF1 | 20 | Panoramic sunroof |
| MODULE7 | 10 | Front console switch, lane keeping assist, IBU, hazard warning panel switch (up/down), Avodance parking assist, remote control intelligent parking assist |
| MODULE5 | 10 | Brake light switch |
| MODULE8 | 10 | Front seat heating control module, front seat ventilation control module, passenger seat relaxation unit, amplifier, rear seat heating control module, driver IMS module, audio, audio/video and navigation head unit |
| E-SHIFTER2 | 10 | SCU, ATM electronic switching lever |
| MODULE2 | 10 | IAU, parking collision avoidance control unit, cooling fan motor, passenger seat relaxation unit, rear seat heater control module |
| MDPS | 7,5 | Ministry of Internal Affairs Office |
| A/C | 7,5 | A/C control module, A/C switch, E/R distribution block (fan relay, PTC heater relay) |
| MODULE4 | 10 | Front USB charger, rear USB charger, AMP, IBU, IAU, parking collision avoidance system, audio system, DC-DC converter (AMP/audio), audio/video and navigation, head unit, surround view monitor unit |
| MODULE9 | 7,5 | MOTHER |
| CLUSTER | 10 | Instrument cluster, head-up display |
| WASHER | 15 | Multifunction switch, Washer |
| START | 7,5 | PCM/ECM, E/R distribution block (starting relay), ICU distribution block (B/alarm relay) |
| POWER OUTLET | 20 | Front socket, Cigarette lighter |
| MOTHER2 | 7,5 | MOTHER |
| A/BAG IND | 7,5 | Instrument cluster, overhead console lamp (lamp) |
The fuse marked POWER OUTLET is responsible for the front cigarette lighter.
Block under the hood
Under the hood in the engine compartment on the left side is the main unit with fuses and relays.

Check the information with your diagrams on the unit cover.

| № | A | Description |
|---|---|---|
| IG2 | 30 | E/R connection block (starting relay), PCB block (IG2 relay) |
| BLOWER | 40 | E/R connection block (fan relay) |
| ABS1 | 40 | ABS module |
| B+2 | 50 | ICU distribution block (IPS4, IPS3, IPS1, fuse – AMP, IBU1) |
| PTC HEATER | 50 | E/R connection block (PTC heater relay) |
| B+3 | 50 | Intensive Care Unit Connection Block (IPS5, IPS7, IPS9, IPS10, IPS8, IPS6) |
| OIL PUMP1 | 50 | Electronic oil pump |
| COOLING FAN | 80 | Cooling fan motor |
| MDPS | 80 | Ministry of Internal Affairs Office |
| E-SHIFTER | 30 | SKU |
| E-CVVT1 | 40 | G4FN: CVVD DRIVE; |
| IG1 | E/R connection block (E-CVVT relay) | |
| REAR HEATED | 40 | PCB unit (IG1 relay, ACC relay) |
| EPB | 50 | E/R connection block (rear heating relay) |
| B+5 | 60 | IVF module |
| B+1 | 60 | Printed circuit board unit (engine control relay, fuse – A/C1, WIPER1, TCU1, horn, ECU2) |
| HEATED MIRROR | 60 | ICU distribution block (fuse – P/SEAT (DRV), P/SEAT (PASS), MODULE1, SAFETY P/WINDOW (LH), SAFETY P/WINDOW (RH), S/HEATER (RR)) |
| ECU5 | 10 | Driver/Passenger Power Outside Mirror, A/C Switch, A/C Control Module, ECM |
| AMS | 10 | G4FN: ESM |
| FUEL PUMP 1 | 10 | Battery sensor |
| A/C 2 | 20 | E/R connector block (fuel pump relay) |
| B+4 | 10 | Air conditioning control module |
| B+4 | 60 | ICU connection block (relay with long-term load latch, fuse – MODULE 3, AIRBAG 2, E-SHIFTER1, SUNROOF 1, SUNROOF 2, S/HEATER (FRONT), TRUNK, SWITCH, SWITCH |