Hyundai Sonata 2018 Fuse Box Info
Fuse box location:
The fuse box is located at the left side of the steering column at the bottom of the instrument panel.
Engine compartment fuse box:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay Name | Rating | Functions |
| SAFETY WINDOW LH | 25A | Driver Safety Power Window Module |
| P/SEAT PASS | 30A | Passenger Seat Manual Switch |
| P/WDW LH | 20A | Power Window Main Switch, Rear Power Window Module LH |
| P/WDW RH | 25A | Power Window Main Switch, Rear Power Window Module RH, Passenger Door Module, Passenger Power Window Switch |
| DR LOCK | 20A | Door Lock Relay, Door Unlock Relay |
| S/HEATER FRT | 25A | Front Air Ventilation Seat Module, Front Seat Warmer Module |
| BRAKE SWITCH | 10A | Stop Lamp Switch, Immobilizer Module, Smart Key Control Module |
| 8 MODULE | 7.5A | BCM, Smart Key Control Module |
| SAFETY POWER WINDOW RH | 25A | Passenger Safety Power Window Module |
| SMART KEY | 15A | Smart Key Control Module |
| TRUNK | 10A | Trunk Lid Relay, Fuel Filler Door & Trunk Lid Switch |
| 7 MODULE | 10A | Digital Clock, Driver/Passenger Door Module |
| INTERIOR LAMP | 10A | Ignition Key Ill. & Door Warning Switch, Front Vanity Lamp Switch LH/RH, Overhead Console Lamp, Room Lamp, Rear Personal Lamp LH/RH, Trunk Room Lamp, Driver/Passenger Smart Key Outside Handle |
| 2 MEMORY | 7.5A | Not used |
| P/SEAT DRV | 30A | Driver Seat Manual Switch, Driver IMS Module |
| CLUSTER | 10A | Instrument Cluster |
| 4 MODULE | 10A | Immobilizer Module, Smart Key Control Module |
| MULTI MEDIA | 15A | A/V & Navigation Head Unit |
| 1 MEMORY | 10A | Driver/Passenger Door Module, Driver IMS Module, A/C Control Module, Auto Light & Photo Sensor, Electro Chromic Mirror, Instrument Cluster, Tire Pressure Monitoring Module, Digital Clock, Wireless Charger, A/V & Navigation Head Unit |
| S/HEATER RR | 25A | Rear Seat Warmer Module |
| 2 SUN ROOF | 20A | Panoramic Sunroof Motor |
| 9 MODULE | 7.5A | Front Air Ventilation Seat Module, Front Seat Warmer Module, Rear Seat Warmer Module |
| MDPS | 7.5A | MDPS Unit (Column Type/Rack Type) |
| 3 MODULE | 10A | BCM, Sport Mode Switch, Stop Lamp Switch |
| 1 MODULE | 7.5A | Key Solenoid, Driver/Passenger Door Module |
| 1 SUN ROOF | 20A |
[With Panorama] Panorama Sunroof Motor [W/O Panorama] Sunroof Motor |
| A/CON | 7.5A | A/C Control Module, E/R Junction Block (Blower Relay) |
| 2 MODULE | 10A | A/V & Navigation Head Unit, Digital Clock, USB Charger, BCM, AMP, Power Outside Mirror Switch, Wireless Charger, Smart Key Control Module, Overhead Console Lamp, E/R Junction Block (Power Outlet Relay) |
| A/BAG IND | 7.5A | Instrument Cluster |
| 6 MODULE | 10A | Multipurpose Check Connector, A/C Control Module, A/V & Navigation Head Unit, Front Air Ventilation Seat Module, Front Seat Warmer Module, Rear Seat Warmer Module, Driver IMS Module, Head Lamp LH/RH (DBL), A/T Shift Lever IND. |
| AMP | 25A | AMP (JBL/MOBIS) |
| HTD STRG | 15A | BCM |
| 5 MODULE | 10A | Front Console Switch, Tire Pressure Monitoring Module, Lane Keeping Assist Module, Smart Cruise Control Unit, Fuel Filler Door & Trunk Lid Switch, AEB Module, Head Lamp LH/RH (DBL), Rear Parking Assist Sensor LH/RH, Rear Parking Assist Sensor LH/RH (Center), Blind Spot Detection Radar LH/RH |
| IG1 | 25A | PCB Block (Fuse - VACUUM PUMP2/ TCU2/ ECU3/ ABS3) |
| WASHER | 15A | Multifunction Switch (Wiper Low & Washer Switch |
| POWER OUTLET | 20A | Front Power Outlet |
| A/BAG | 15A | SRS Control Module, Occupant Detection Sensor |
| START | 7.5A | [W/O Smart Key & IMMO.] ICM Relay Box (Burglar Alarm Relay) [With Smart Key / IMMO.] Transaxle Range Switch, PCM (G4KJ/G4KH) |
| 10 MODULE | 10A | BCM |
Engine compartment fuse box:
| Fuse/Relay Name | Rating | Functions |
| IG2 | 30A | [Without Smart Key] (Start Relay), Ignition Switch, [With Smart Key] (Start Relay), PCB Block (IG2 Relay) |
| 3 TCU | 40A | [G4FJ - DCT] TCM |
| BLOWER | 40A | (Blower Relay) |
| 1 ABS | 40A | ESC Module |
| REAR HEATED | 50A | (Rear Heated Relay) |
| 1 B+ | 50A | Smart Junction Block (IPS2 (4CH), IPS3 (4CH) |
| 1 COOLING FAN | 50A | [G4KH/G4FJ] (Cooling Fan Relay), [G4KJ] (Cooling Fan Relay) |
| 2 COOLING FAN | 60A | [G4KH/G4FJ] (Cooling Fan Relay) |
| 1 MDPS | 80A | MDPS Unit (Column Type) |
| 2 ABS | 30A | ESC Module, Multipurpose Check Connector |
| IG1 | 40A | [Without Smart Key] Ignition Switch, [With Smart Key] PCB Block (IG1/ACC Relay) |
| 4 TCU | 40A | [G4FJ - DCT] TCM |
| 3 POWER OUTLET | 40A | (Power Outlet Relay) |
| 2 B+ | 50A | Smart Junction Block (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 | Smart Junction Block (Power Window Relay, Fuse - SAFETY POWER WINDOW LH, P/SEAT PASS,SAFETY POWER WINDOW RH, P/SEAT DRV, MODULE1, P/WDW LH, P/WDW RH, TRUNK, S/HEATER RR, SUNROOF2, SUNROOF1) |
| 2 MDPS | 100A | MDPS Unit (Rack Type) |
| 3 E-CVVT | 20A | [G4KJ/G4KH] PCM |
| 2 E-CVVT | 20A | [G4KJ/G4KH] PCM |
| FUEL PUMP | 20A | (Fuel Pump Relay) |
| H/LAMP HI | 20A | [With HID] (Head Lamp High Relay) |
| 1 VACUUM PUMP | 20A | [G4KH/G4FJ] Vacuum Pump |
| 1 E-CVVT | 40A | [G4KJ/G4KH] (E-CVVT Relay) |
| 4 B+ | 40A | Smart Junction Block (Leak Current Auto-cut Device Fuse - INTERIOR LAMP, MULTI MEDIA, MEMORY1, Fuse - DOOR LOCK, S/HEATER FR, BRAKE SWITCH, SMART KEY, MODULE10) |
| A/CON | 10A | A/C Control Module |
| HEATED MIRROR | 10A | ECM (G4FJ), A/C Control Module, Drover/Passenger Power Outside Mirror |
| 2 VACUUM PUMP | 10A | [G4KH/G4FJ] Vacuum Pump, Vacuum Switch |
| 3 ECU | 10A | PCM/ECM |
| 1 POWER OUTLET | 20A | Front Cigarette Lighter & Power Outlet #2 |
| FUEL PUMP | 20A | Fuel Pump Relay |
| HORN | 20A | Horn Relay, ICM Relay Box (Burglar Alarm Horn Relay) |
| WIPER | 30A | Front Wiper (Low) Relay, Front Wiper (High) Relay |
| 2 TCU | 15A | Transmission Range Switch, TCM (G4FJ-DCT) |
| 3 ABS | 10A | ESC Module |
| 2 POWER OUTLET | 20A | Rear Power Outlet |
| B/UP LAMP | 10A | Transmission Range Switch, PCM (G4KJ/G4KH-A/T), TCM (G4FJ-DCT), Electro Chromic Mirror, Rear Combination Lamp (IN) LH/RH |
| 1 SENSOR | 15A | Oxygen Sensor (Up/Down) |
| 2 SENSOR | 15A | Purge Control Solenoid Valve, Canister Close Valve, RCV Control Solenoid Valve, Fuel Pump Relay, E/R Junction Block (Cooling Fan High Relay, Fuel Pump Relay), [G4KJ/G4KH] Variable Intake Solenoid Valve, Oil Control Valve (Exhaust), [G4FJ] Oil Control Valve #1/#2 (Intake/Exhaust) |
| 1 ECU | 10A | PCM/ECM |
| 1 TCU | 10A | PCM (G4KJ/G4KH-A/T), TCM (G4FJ-DCT) |
| 1 ECU | 10A | PCM/ECM |
| IGN COIL | 20A | Ignition Coil #1/#2/#3/#4 |
| INJECTOR | 10A | Not used |
| AMS | 10A | Battery Sensor |
