KIA Sorento (MQ4; 2021 – 2024) – fuse and relay box diagram
Year of production: 2021, 2022, 2023, 2024
This article covers the fourth-generation KIA Sorento (MQ4), produced from 2021 to the present. It provides fuse box diagrams for the 2021, 2022, 2023 and 2024 models, details the locations of the fuse panels within the vehicle, and explains the function of each fuse (fuse layout) and relay.
Passenger Compartment Fuse Box
Fuse Box Location
The fuses are located behind the cover on the driver’s side.
Fuse Box Diagram
Assignment of the fuses in the instrument panel
| Name | Amps | Circuit Protected |
|---|---|---|
| AMP | 25A | AMP (Amplifier) |
| LDC | 30A | Low DC (Direct Current) – DC (Direct Current) Converter |
| P/SEAT (DRV) | 30A | Driver Power Seat Switch, IMS (Integrated memory system) Control Module |
| P/WINDOW (LH) | 25A | Rear Power Window Switch LH, Rear Safety Power Window Module LH, Driver Safety Power Window Module |
| P/SEAT (PASS) | 30A | Passenger Power Seat Switch |
| S/HEATER (FRT) | 20A | Driver Air Ventilation Seat Warmer, Driver Seat Warmer, Data Link Connector |
| S/HEATER (REAR LH) | 15A | 2nd Seat Warmer LH Control Module |
| 2nd ROW SEAT FOLDING (RH) | 20A | 2nd Seat RH Folding Actuator |
| P/WINDOW (RH) | 25A | Rear Power Window Switch RH, Rear Safety Power Window Module RH, Passenger Power Window Switch, Passenger Safety Power Window Module |
| TAILGATE OPEN | 15A | Tail Gate Relay |
| 2nd ROW SEAT FOLDING (LH) | 20A | 2nd Seat LH Folding Actuator |
| DOOR LOCK | 20A | Door Lock/Unlock Relay, Dead Lock Relay |
| REAR A/C 2 | 10A | Rear A/C Control Module |
| MULTIMEDIA 1 | 25A | Low DC (Direct Current) – DC (Direct Current) Converter |
| S/HEATER (REAR RH) | 15A | 2nd Seat Warmer RH Control Module |
| MEMORY | 10A | Passenger Power Outside Mirror, Driver Power Outside Mirror, 1st Air Ventilation Seat Control Module, Head-Up Display, 1st Seat Warmer Control Module, Power Tailgate Unit, Rear A/C Control Module, Front A/C Control Module, Front A/C Control Panel, Low DC (Direct Current) – DC (Direct Current) Converter, ROA, Surround View Monitor Unit |
| START | 10A | Ignition Switch |
| USB CHARGER 1 | 10A | Luggage USB Charge Connector LH/RH |
| USB CHARGER 2 | 15A | Rear Console USB Charge Connector LH/RH, 1st Air Ventilation Seat Control Module, 1st Seat Warmer Control Module |
| MODULE 3 | 7.5A | IBU (Integrated Body Control Unit), ADAS Unit, Front View Camera (ADAS), Crash Pad Switch, Surround View Monitor Unit, 4WD ECU, Front Console Switch, Front Seat Ventilation Switch LH/RH, Front Radar Unit, ATM (Automatic Transmission) Shift Lever (Indicator), Rear Corner Radar Unit LH/RH, Electronic Shift Dial |
| AIR BAG | 15A | SRS (Supplemental Restraint System) Control Module, Passenger Occupant Detection Sensor |
| WASHER | 15A | Multifunction Switch |
| MODULE | 10A | ADAS Unit, Surround View Monitor Unit, IBU (Integrated Body Control Unit), Front USB Charge Connector LH/RH, Low DC (Direct Current) – DC (Direct Current) Converter |
| MODULE 9 | 10A | Key Solenoid, Driver/Passenger Smart Key Outside Handle, Driver Door Area Unit |
| IBU | 7.5A | IBU (Integrated Body Control Unit) |
| MODULE 2 | 7.5A | Driver Door Area Unit, ATM (Automatic Transmission) Shift Lever |
| REAR A/C 1 | 15A | Rear A/C Blower Motor, ICU Junction Block (Fuse – Rear A/C Control Module) |
| A/BAG IND | 7.5A | Instrument Cluster, Overhead Console |
| MODULE 8 | 7.5A | ADAS Unit, Rear Console AC Inverter Outlet, AC Inverter, 2nd Seat Warmer LH/RH Control Module, Rear A/C Control Module |
| IBU 2 | 15A | IBU (Integrated Body Control Unit) |
| MODULE 10 | 10A | Stop Lamp Switch |
| MODULE 5 | 10A | AMP (Amplifier), Front Wireless Charger Unit, Low DC (Direct Current) – DC (Direct Current) Converter |
| A/C | 7.5A | Front A/C Control Module, Front A/C Control Panel, E/R Junction Block (PTC (Positive Temperature Coefficient) Heater #1 Relay, Blower Relay) |
| AIR BAG 2 | 10A | SRS (Supplemental Restraint System) Control Module |
| CLUSTER | 7.5A | Instrument Cluster, Head-Up Display |
| MODULE 4 | 10A | Audio, Data Link Connector, Front A/C Control Panel, Front A/C Control Module, Crash Pad Switch, Electro Chromic Mirror, 1st Air Ventilation Seat Control Module, 2nd Seat Warmer LH/RH Control Module |
| MODULE 7 | 7.5A | IBU (Integrated Body Control Unit) |
| MULTIMEDIA 2 | 10A | Surround View Monitor Unit, Instrument Cluster, ADAS Unit, Front A/C Control Panel, Front A/C Control Module, Front Wireless Charger Unit |
| BRAKE SWITCH | 7.5A | IBU (Integrated Body Control Unit), Stop Lamp Switch |
| MDPS | 7.5A | EPS / MDPS (Electric Power Steering) Unit |
Engine Compartment Fuse Box
Fuse Box Location
Fuse Box Diagram
Assignment of the fuses in the engine compartment
| Name | Amps | Circuit Protected |
|---|---|---|
| COOLING FAN 1 | 80A | Cooling Fan Motor |
| TCU 3 | 60A | TCM (Transmission Control Module) |
| PTC HEATER 1 | 50A | E/R Junction Block (PTC (Positive Temperature Coefficient) Heater #1 Relay) |
| B+ 2 | 50A | ICU Junction Block (IPS) |
| E-CWT 1 | 50A | E/R Junction Block (E-CVVT (Electric – Continuously variable valve timing) Relay) |
| EOP 2 | 40A | Electronic Oil Pump |
| ABS 1 | 40A | ESC (Electronic Stability Control) Control Module |
| ABS 2 | 30A | ESC (Electronic Stability Control) Control Module |
| MDPS | 100A | EPS / MDPS (Electric Power Steering) Unit |
| COOLING FAN 2 | 60A | Cooling Fan Motor |
| B+ 6 | 60A | PCB Junction Block (Start Relay, IG2 Relay, IG1 Relay, ACC Relay) |
| EOP 1 | 60A | Electronic Oil Pump |
| B+ 5 | 50A | ICU Junction Block (Fuse – P/SEAT (DRV), P/WINDOW (LH), P/SEAT (PASS), S/HEATER (REAR LH), 2nd ROW SEAT FOLDING (RH)) |
| REAR HEATED | 40A | E/R Junction Block (Rear Heated Relay) |
| POWER TAILGATE | 40A | Power Tailgate Unit |
| SUNROOF | 40A | Sunroof Motor (Glass) |
| ABS 3 | 60A | ESC (Electronic Stability Control) Control Module |
| B+ 3 | 50A | ICU Junction Block (IPS) |
| VACUUM PUMP 1 | 20A | Smartstream 2.5 T-GDI: E/R Junction Block (Vacuum Pump Relay) |
| FUEL PUMP | 20A | E/R Junction Block (Fuel Pump Relay) |
| CHILD LOCK | 15A | PCB Junction Block (Child Lock/Unlock Relay) |
| BLOWER | 50A | E/R Junction Block (Blower Relay) |
| B+ 4 | 50A | ICU Junction Block (Fuse – AMP, LDC, S/HEATER (REAR RH), P/WINDOW (RH), 2nd ROW SEAT FOLDING (LH)) |
| TRAILER | 30A | Trailer Module |
| INVERTER | 30A | AC Inverter |
| B+ 1 | 40A | ICU Junction Block (Long Term Load Latch Relay, Fuse – TAILGATE OPEN, DOOR LOCK, S/ HEATER (REAR RH), START, MODULE 9, IBU 2, A/BAG 2, BRAKE SWITCH) |
| 4WD | 20A | 4WD ECU |
| TCU 1 | 15A | PCM (Power train Control Module) |
| AMS | 10A | Battery Sensor |
| VACUUM PUMP 2 | 10A | ESC (Electronic Stability Control) Control Module |
| E-CVVT 3 | 20A | PCM (Power train Control Module) |
| HEATED MIRROR | 10A | Front A/C Control Panel, Front A/C Control Module, Driver/Passenger Power Outside Mirror |
| A/C 1 | 10A | Front A/C Control Module |
| E-CVVT 2 | 20A | PCM (Power train Control Module) |
| IG2 | 40A | E/R Junction Block (Start Relay), PCB Junction Block (IG2 Relay) |
| IG1 | 40A | PCB Junction Block (IG1 Relay, ACC Relay) |
| FRT WIPER 2 | 7.5A | IBU (Integrated Body Control Unit) |
| SENSOR 1 | 20A | Ignition Coil #1/#2/#3/#4 |
| SENSOR 7 | 10A | Electronic Oil Pump |
| ECU 2 | 10A | PCM (Power train Control Module) |
| SENSOR 5 | 10A | E/R Junction Block (Fuel Pump Relay) |
| SENSOR 3 | 20A | PCM (Power train Control Module) |
| SENSOR 2 | 15A | Oxygen Sensor (Up/Down) |
| FRT WIPER 1 | 30A | Front Wiper Motor, Front Wiper (Low) Relay |
| RR WIPER | 15A | Rear Wiper Relay, Rear Wiper Motor |
| HORN | 15A | Horn Relay |
| A/C 2 | 10A | A/Con Relay |
| B/A HORN | 15A | B/A Horn Relay |
| E-SHIFTER 3 | 7.5A | Not Used |
| TCU 2 | 10A | TCM (Transmission Control Module) |
| SENSOR 4 | 10A | Purge Control Solenoid Valve, PCM (Power train Control Module), Cooling Fan Motor, Oil Control Valve (Exhaust), Variable Oil Pump Solenoid Valve, Canister Close Valve, A/Con Relay, Smartstream 2.5 GDI: Variable Intake Solenoid Valve Smartstream 2.5 T-GDI: RCV (Recirculation Valve Control) Control Solenoid Valve |
| SENSOR 6 | 15A | Injector #l/#2/#3/#4 |
| ECU 1 | 15A | PCM (Power train Control Module) |
| ABS 4 | 7.5A | ESC (Electronic Stability Control) Control Module |
| P/OUTLET 2 | 20A | Rear Console Power Outlet |
| P/OUTLET 1 | 20A | Luggage Power Outlet |
| Relay | ||
| VACUUM PUMP | Smartstream 2.5 T-GDI: Vacuum Pump Relay | |
| START | Start Relay | |
| FUEL PUMP | Fuel Pump Relay | |
| E-CVVT | E-CVVT (Electric – Continuously variable valve timing) Relay | |
| PTC HEATER 1 | PTC (Positive Temperature Coefficient) Heater #1 Relay | |
| B/ALARM HORN | B/Alarm Horn Relay | |
| BLOWER | Blower Relay | |
| REAR HEATED | Rear Heated Relay |
Battery terminal
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market