Hyundai Elantra CN7 (2021 – 2026) Fuse Box Location & Diagrams
The Hyundai Elantra CN7 (2021–2026) fuse box location and diagrams help quickly identify fuse positions and relay layouts. This blog provides clear fuse box locations, detailed diagrams, and fuse assignment information, making electrical troubleshooting, maintenance, and fuse replacement easier and more accurate.
Fuse Box Location
Passenger Compartment Fuse Box
The fuse block is located in the driver’s side panel bolster. Inside the fuse/relay box cover, you can find the fuse/relay label describing fuse/ relay names and ratings.
Engine Compartment Fuse Box
The fuse block is located near the battery. Remove the cover by pressing the tap and pulling up.
Fuse Box Diagrams
Passenger Compartment Fuse Box
Hyundai Elantra CN7 (2021 – 2023)
| Fuse Name | Amp | Circuit Protected |
|---|---|---|
| MEMORY1 | 10A | Instrument Cluster, A/C Controller, A/C Control Module, DRV/PASS Folding Outside Mirror |
| AIRBAG2 | 10A | SRS Control Module |
| MODULE4 | 10A | Lane Keeping Assist Unit (LINE), Crash Pad Switch, IBU, Parking Collision Avoidance Assist Unit, A/T Shift Lever Indicator, Front Console Switch |
| MODULE7 | 7.5A | Parking Collision Avoidance Assist Unit, IAU, Rear Seat Warmer Control Module |
| START | 7.5A | Burglar Alarm Relay, Transaxle Range Switch, PCM/ ECMIBU, E/R Junction Block (Start Relay) |
| CLUSTER | 7.5A | Instrument Cluster |
| IBU2 | 7.5A | IBU |
| A/C1 | 7.5A | E/R Junction Block (PTC Heater Relay, Blower Relay), A/C Control Module, A/C Controller |
| TRUNK | 10A | Trunk Lid Latch, Trunk lid Switch |
| S/HEATER FRT | 20A | Front Seat Warmer Control Module |
| P/WINDOW LH | 25A | Power Window Main Switch |
| MULTIMEDIA | 15A | Audio, A/V & Navigation Head Unit, DC-DC Converter |
| FCA | 10A | Forward Collision Avoidance Assist Unit |
| MDPS | 7.5A | MDPS Unit |
| MODULE6 | 7.5A | IBU |
| S/HEATER RR | 20A | Rear Seat Warmer Control Module |
| SAFETY P/WINDOW DRV | 25A | Driver Safety Power Window Module |
| P/WINDOW RH | 25A | Power Window Main Switch, Passenger Power Window Switch |
| BRAKE SWITCH | 10A | Stop Lamp Switch, IBU |
| IBU1 | 15A | IBU |
| MODULE2 | 10A | E/R Junction Block (Power Outlet Relay), AMP, IBU, IAU, Audio, Power Outside Mirror Switch, Parking Collision Avoidance Assist Unit, DC-DC Converter, A/V & Navigation Head Unit |
| AIRBAG1 | 15A | SRS Control Module, Passenger Occupant Detection Sensor |
| MODULE5 | 10A | A/T Shift Lever Indicator, Front Wireless Charger, A/C Controller,Electro Chromic Mirror, A/C Control Module, Audio, A/V & Navigation Head Unit, AMP, DC-DC Converter, Data Link Connector, Rear Seat Warmer Control Module, Front Seat Warmer Control Module |
| AMP | 25A | AMP, DC-DC Converter |
| HEATED MIRROR | 10A | DRV/PAS Outside Mirror Heated, A/C Control Module, A/C Controller |
| DOOR LOCK | 20A | DRV/PAS DOOR ACTUATOR |
| IAU | 10A | BLE Unit, IAU, Driver/Passenger Door NFC Module |
| MODULE3 | 7.5A | Stop Lamp Switch, IAU |
| A/BAG IND | 7.5A | Instrument Cluster, Overhead Console Lamp |
| WASHER | 15A | Multifunction Switch |
| P/SEAT PASS | 30A | Passenger Seat Manual Switch |
| P/SEAT DRV | 30A | Driver Seat Manual Switch |
| WIPER | 10A | PCM/ECM, IBU |
| MODULE1 | 10A | Driver/Passenger Smart Key Outside Handle, Crash Pad Switch, Sport Mode Switch, Data Link Connector, Hazard Switch, Key Solenoid |
| SUNROOF | 20A | Sunroof Motor, Data Link Connector |
| USB CHARGER | 15A | Front USB Charger |
| IG1 | 25A | PCB Block (Fuse – ABS3, ECU5, EOP2, TCU2) |
Hyundai Elantra CN7 (2024 – 2025)
| Fuse Name | Amp | Circuit Protected |
|---|---|---|
| MEM0RY1 | 10A | Instrument Cluster, A/C Controller, A/C Control Module, DRV/PASS Folding Side View Mirror, Crash Pad Switch, Surround View Monitor |
| AIRBAG2 | 10A | SRS Control Module |
| MODULE4 | 10A | Front View Camera, Crash Pad Switch, IBU, A/T Shift Lever Indicator, Front Console Switch, Surround View Monitor |
| MODULE7 | 7.5A | Not Used |
| START | 7.5A | Burglar Alarm Relay, Transaxle Range Switch, PCM/ECMIBU, E/R Junction Block (Start Relay) |
| CLUSTER | 7.5A | Instrument Cluster |
| IBU2 | 7.5A | IBU |
| A/C1 | 7.5A | E/R Junction Block (PTC Heater Relay, Blower Relay), A/C Control Module, A/C Controller |
| TRUNK | 10A | Trunk Lid Latch |
| S/HEATER FRT | 20A | Front Seat Warmer Control Module |
| P/WINDOW LH | 25A | Power Window Main Switch |
| MULTIMEDIA | 15A | Audio, A/V & Navigation Head Unit, DC-DC Converter (Smartstream G 2.0 Atkinson ISG only) |
| FCA | 10A | Front Radar |
| MDPS | 7.5A | MDPS Unit (Electric Power Steering) |
| MODULE6 | 7.5A | IBU, IAU |
| S/HEATER RR | 20A | Rear Seat Warmer Control Module |
| SAFETY P/WINDOW DRV | 25A | Driver Safety Power Window Module |
| P/WINDOW RH | 25A | Power Window Main Switch, Passenger Power Window Switch |
| BRAKE SWITCH | 10A | Stop Light Switch, IBU |
| IBU1 | 15A | IBU, Sport Mode Switch |
| LDC | 10A | ADAS_PRK_SVM, AVN, Cluster, DATC/MTC, BCW (RR Corner Radar), Console Switch |
| MODULE2 | 10A | E/R Junction Block (Power Outlet Relay), AMP, IBU, IAU, Audio, Power Side View Mirror Switch, DC-DC Converter (Smartstream G 2.0 Atkinson ISG only), A/V & Navigation Head Unit, Surround View Monitor |
| AIR BAG1 | 15A | SRS Control Module, Passenger Occupant Detection Sensor |
| MODULE5 | 10A | A/T Shift Lever Indicator, Front Wireless Charger, A/C Controller,Electro Chromic Mirror, A/C Control Module, Audio, A/V & Navigation Head Unit, AMP, DC-DC Converter (Smartstream G 2.0 Atkinson ISG only), Data Link Connector, Front Seat Warmer Control Module |
| SAFETY P/WINDOW PASS | 25A | Passenger Safety Power Window Module |
| AMP | 25A | AMP, DC-DC Converter (Smartstream G 2.0 Atkinson ISG only) |
| HEATED MIRROR | 10A | DRV/PAS Side View Mirror Heated, A/C Control Module, A/C Controller, ECU (N Line only) |
| DOOR LOCK | 20A | Door Lock/Unlock Actuator |
| IAU | 10A | IAU, Driver/Passenger Door NFC Module |
| MODULE3 | 7.5A | Sport Mode Switch, Stop Light Switch, IAU |
| A/BAG IND | 7.5A | Instrument Cluster, Overhead Console Lamp |
| WASHER | 15A | Multifunction Switch |
| P/SEAT PASS | 30A | Power Seat |
| P/SEAT DRV | 30A | Power Seat |
| WIPER | 10A | PCM/ECM, IBU |
| MODULE1 | 10A | Driver/Passenger Smart Key Outside Handle, Data Link Connector, Hazard Switch, Key Solenoid |
| SUNROOF | 20A | Sunroof Motor |
| USB CHARGER | 15A | Front USB Charger, Rear Console USB Charger |
| IG1 | 25A | PCB Block (Fuse – ABS3, ECU5, EOP2, TCU2) |
Hyundai Elantra CN7 (2026)
| MEMORY1 | 10A | Crash Pad Switch, Driver/Passenger Power Outside Mirror, Instrument Cluster, Air Conditioner Controller, Air Conditioner Control Module |
| AIRBAG2 | 10A | SRS (Supplemental Restraint System) Control Module |
| MODULE4 | 10A | Front View Camera, Crash Pad Switch, IBU, Front Console Switch, LSD Control Module, ECS Unit |
| MODULE7 | 7.5A | Not Used |
| START | 7.5A | IBU, ECM (Engine Control Module), Engine Room Junction Block (RLY.5) |
| CLUSTER | 7.5A | Instrument Cluster |
| IBU2 | 7.5A | IBU |
| A/C1 | 7.5A | Air Conditioner Control Module, Air Conditioner Controller, PTC HEATER RLY |
| TRUNK | 10A | Trunk Lid Latch |
| S/HEATER FRT | 20A | Front Seat Warmer Control Module |
| P/WINDOW LH | 25A | Power Window Main Switch |
| MULTIMEDIA | 15A | Audio/Video & Navigation Head Unit |
| MDPS1 | 7.5A | MDPS (Motor Driven Power Steering) Unit |
| MODULE6 | 7.5A | IBU, IAU |
| SAFETY P/WINDOW DRV | 25A | Driver Safety Power Window Module |
| P/WINDOW RH | 25A | Power Window Main Switch, Passenger Power Window Switch |
| BRAKE SWITCH | 10A | Stop Lamp Switch, IBU |
| IBU1 | 15A | IBU, Sport Mode Switch |
| MODULE2 | 10A | Engine Room Junction Block (RLY.2), Power Outside Mirror Switch, AMP, IBU, Audio/Video & Navigation Head Unit, IAU |
| AIRBAG1 | 15A | SRS Control Module, ODS (Occupant Detection System) |
| MODULE5 | 10A | Front Wireless Charger, Electro Chromic Mirror, Air Conditioner Controller, Air Conditioner Control Module, Audio/Video & Navigation Head Unit, Data Link Connector, AMP, Front Seat Warmer Control Module, Transmission Gear Shift Indicator |
| SAFETY P/WINDOW PASS | 25A | Passenger Safety Power Window Module |
| AMP | 25A | AMP |
| HEATED MIRROR | 10A | Driver/Passenger Power Outside Mirror, Air Conditioner Controller |
| DOOR LOCK | 20A | Door Actuator Driver/Passenger/Rear Left/Rear Right |
| IAU | 10A | IAU, Driver/Passenger Door NFC Module |
| MODULE3 | 7.5A | Sport Mode Switch, Stop Lamp Switch, Multifunction Switch, IAU |
| AIRBAG IND | 7.5A | Instrument Cluster, Overhead Console Lamp |
| WASHER | 15A | Multifunction Switch |
| WIPER | 10A | ECM (Engine Control Module), IBU |
| MODULE1 | 10A | Driver/Passenger Smart Key Outside Handle, Data Link Connector, Hazard Switch, Multifunction Switch |
| SUNROOF | 20A | Sunroof Unit |
| USB CHARGER | 15A | Front USB Charger, Console USB Charger |
| IG1 | 25A | PCB Block (Fuse – ECU 3/ABS 3/DCT 2) |
Engine Compartment Fuse Box
Hyundai Elantra CN7 (2021 – 2023)
| Fuse Name | Amp | Circuit Protected |
|---|---|---|
| ALT | 150A/180A | G4NS-W/O AMS2: Alternator, (Fuse – ABS1, ABS2, EOP1, POWER OUTLET1) G4FP/G4NS-Wlth AMS2: Alternator, (Fuse – ABS1, ABS2, EOP1, POWER OUTLET1) |
| MDPS1 | 80A | MDPS Unit |
| B+5 | 60A | PCB Block (Engine Control Relay, Fuse -ECU3, ECU4, HORN, WIPER, A/C) |
| B+1 | 60A | ICU Junction Block (IPS2/IPS5/IPS6/IPS7/ IPS14) |
| B+2 | 60A | ICU Junction Block (IPS1/IPS4/IPS8/IPS9/ IPS10) |
| B+3 | 50A | ICU Junction Block (Fuse – TRUNK, AMP, SAFETY P/WINDOW DRV, P/SEAT DRV, P/ SEAT PASS, S/HEATER FRT, S/HEATER RR, Long Term Load Latch Relay) |
| EPB | 60A | ESC Control Module |
| PTC HEATER | 50A | PTC HEATER |
| BLOWER | 40A | BLOWER, DATC |
| IG1 | 40A | E/R Junction Block (PDM (IG1/ACC) Relay), Ignition Switch |
| IG2 | 40A | E/R Junction Block (PDM (IG2) Relay, Start Relay), Ignition Switch |
| POWER OUTLET2 | 20A | Front Power Outlet |
| POWER OUTLET3 | 20A | Not Used |
| COOLING FAN1 | 40A | Cooling Fan |
| DCT1 | 40A | Not Used |
| DCT2 | 40A | Not Used |
| REAR HEATED | 40A | Rear glass heated |
| B+4 | 40A | ICU Junction Block (Fuse – AIR BAG2, IBU1, BRAKE SWITCH, DOOR LOCK, IAU, MODULE1, SUNROOF, Power Window Relay) |
| AMS | 10A | Battery Sensor |
| TCU1 | 10A | [DOT] TCM, [M/T] Ignition Lock Switch |
| FUEL PUMP | 20A | Fuel Pump Control Module (T-GDI), Fuel Pump Motor (NU MPI AKS) |
| CVVD | 40A | Not Used |
| ABS1 | 40A | ABS Control Module, ESC Control Module, Multipurpose Check Connector |
| ABS2 | 30A | ABS Control Module, ESC Control Module, Multipurpose Check Connector |
| EOP1 | 30A | Electronic Oil Pump |
| POWER OUTLET1 | 40A | P/OUTLET FRT |
| WIPER | 25A | Wiper Motor |
| ECU4 | 15A | PCM/ECM |
| A/C | 10A | G4FM: A/C Compressor |
| HORN | 15A | Horn |
| IGN COIL | 20A | Ignition Coil #1~#4 |
| ECU3 | 15A | PCM/ECM |
| SENSOR3 | 10A | E/R Junction Block (Fuel Pump Relay) |
| ECU2 | 10A | Not Used |
| SENSOR2 | 10A | G4NS: Variable Intake Solenoid Valve, Oil Pump Solenoid Valve, Oil Control Valve #1/#2, Canister Close Valve, Purge Control Solenoid Valve, PCB Block (A/C Relay), E/R Junction Block (Cooling Fan1/2 Relay) |
| ECU5 | 10A | ECM/PCM, [MT] Ignition Lock Switch |
| SENSOR1 | 15A | Oxygen Sensor (UP/DOWN) |
| ABS3 | 10A | ABS Control Module, ESC Control Module |
| INJECTOR | 15A | G4FM/G4FG/G4NA: Injector #1~#4 |
| ECU1 | 20A | PCM/ECM |
| TCU2 | 15A | Transaxle Range Switch |
Hyundai Elantra CN7 (2024 – 2025)
| Fuse Name | Amp | Circuit Protected |
|---|---|---|
| ALT | 150A/180A | Smartstream G 2.0 Atkinson with AMS2: Alternator, (Fuse – ABS1, ABS2, EOP1, POWER OUTLET1) Smartstream G 2.0 Atkinson & Smartstream G1.6 T-GDi without AMS2: Alternator, (Fuse – ABS1, ABS2, POWER OUTLET1) |
| MDPS1 | 80A | MDPS Unit |
| COOLING FAN2 | 60A | G4FP: Cooling Fan Controller |
| DCT3 | 40A | G4FP: SGA |
| REAR HEATED | 50A | Rear Glass Heated |
| B+5 | 60A | PCB Block (Engine Control Relay, Fuse – ECU3, ECU4, HORN, WIPER, A/C) |
| B+1 | 60A | ICU Junction Block (IPS2/IPS3/IPS5/IPS6/IPS7/1PS14) |
| B+2 | 60A | ICU Junction Block (IPS1/IPS4/IPS8/IPS9/IPS10) |
| B+3 | 50A | ICU Junction Block (Fuse – TRUNK, AMP, SAFETY P/WINDOW DRV, SAFETY P/WINDOW PASS, P/SEAT DRV, P/SEAT PASS, S/HEATER FRT, Long Term Load Latch Relay) |
| EPB | 60A | ESC Control Module |
| PTC HEATER | 50A | PTC HEATER |
| BLOWER | 40A | BLOWER Motor, Multipurpose Check Connector |
| IG1 | 40A | E/R Junction Block (PDM (IG1/ACC) Relay), Ignition Switch |
| IG2 | 40A | E/R Junction Block (PDM (IG2) Relay, Start Relay), Ignition Switch |
| POWER OUTLET2 | 20A | Front Power Outlet |
| COOLING FAN1 | 40A | Cooling Fan (Smartstream G 2.0 Atkinson only) |
| DCT1 | 40A | G4FP: TCM |
| DCT2 | 40A | G4FP: TCM |
| B+4 | 40A | ICU Junction Block (Fuse – AIR BAG2,1 BUI, BRAKE SWITCH, DOOR LOCK, IAU, MODULE1, SUNROOF,Power Window Relay) |
| AMS | 10A | Battery Sensor |
| TCU1 | 10A | DOT: TCM |
| FUEL PUMP | 20A | Fuel Pump Control Module (T-GDI), Fuel Pump Motor (NU MPI AKS) |
| CVVD | 40A | G4FP: CVVD Actuator |
| ABS1 | 40A | ABS Control Module, ESC Control Module, Multipurpose Check Connector |
| ABS2 | 30A | ABS Control Module, ESC Control Module, Multipurpose Check Connector |
| EOP1 | 30A | Electronic Oil Pump (Smartstream G 2.0 Atkinson ISG only) |
| POWER OUTLET1 | 40A | P/OUTLET FRT |
| WIPER | 25A | Wiper Motor |
| ECU4 | 15A | PCM/ECM |
| A/C | 10A | G4FM: A/C Compressor (Smartstream G 2.0 Atkinson only) |
| HORN | 15A | Horn |
| IGN COIL | 20A | Ignition Coil #1~#4 |
| ECU3 | 15A | PCM/ECM |
| SENSOR3 | 10A | E/R Junction Block (Fuel Pump Relay) |
| ECU2 | 10A | PCM/ECM (Smartstream G1.6T-GDi only) |
| SENSOR2 | 10A | G4NS: Variable Intake Solenoid Valve, Oil Pump Solenoid Valve, Oil Control Valve #1/#2, Canister Close Valve, Purge Control Solenoid Valve, PCB Block (A/C Relay), E/R Junction Block (Cooling Fan1/2 Relay), Oil Level Sensor G4FP: Variable Oil Pump Solenoid, Oil Control Valve #1/#2, Purge Control Solenoid Valve, RCV Control Solenoid Valve, Canister Close Valve, Oil Level Sensor |
| ECU5 | 10A | CWD Actuator (Smartstream G1.6 T-GDi only), ECM/PCM |
| SENSOR1 | 15A | Oxygen Sensor (UP/DOWN) |
| ABS3 | 10A | ABS Control Module, ESC Control Module, Multipurpose Check Connector |
| INJECTOR | 15A | G4FM/G4FG/G4NA: Injector #1~#4 (Smartstream G 2.0 Atkinson only) |
| ECU1 | 20A | PCM/ECM |
| TCU2 | 15A | Transaxle Range Switch, G4FP: TCM (Smartstream G1.6 T-GDi & DCT only) |
Hyundai Elantra CN7 (2026)
| Fuse Name | Amp | Circuit Protected |
|---|---|---|
| ALT | 180A | Alternator, (Fuse – E-LSD, ABS 1, ABS 2, POWER OUTLET1) |
| MDPS1 | 100A | MDPS (Motor Driven Power Steering) Unit |
| COOLING FAN2 | 80A | Cooling Fan Controller |
| EOP | 60 A | Electronic Oil Pump (PWR) |
| RR HTD | 50A | Rear Glass Heated |
| PTC HEATER | 50A | PTC HEATER |
| B+5 | 60A | PCB Block (Engine Control Relay, Fuse – WIPER, ECS, A/C, HORN, ECU 2) |
| B+1 | 60A | ICU Junction Block (IPS2/IPS5/IPS6/IPS7/IPS14) |
| B+2 | 60A | ICU Junction Block (IPS1/IPS4/IPS8/IPS9/IPS10) |
| B+3 | 50A | ICU Junction Block (Fuse – MEMORY1, TRUNK, S/HEATER FRT, MULTIMEDIA, P/WINDOW SAFETY DRV, P/WINDOW SAFETY PASS, AMP, Long Term Load Latch Relay), P/SEAT DRV, P/SEAT PASS |
| BLOWER | 50A | Engine Room Junction Block (RLY.13), Multipurpose Check Connector, Blower Motor |
| IG1 | 40A | Engine Room Junction Block (RLY.4/6) |
| IG2 | 40A | Engine Room Junction Block (RLY.3/5) |
| DCT1 | 60A | TCM (Transmission Control Module) |
| EPB | 60A | EPB UNIT |
| POWER OUTLET2 | 20A | Front Power Outlet |
| VACUUM PUMP1 | 20A | Engine Room Junction Block (RLY.7), Vacuum pump |
| VACUUM PUMP2 | 10A | ESC (Electronic Stability Control) Control Module |
| ECS | 15A | ECS Unit |
| E-LSD | 20A | LSD Control Module |
| E-CVVT3 | 20A | ECM (Engine Control Module) |
| E-CVVT2 | 20A | ECM (Engine Control Module) |
| E-CVVT1 | 40A | Engine Room Junction Block (RLY.1) |
| DCT2 | 10A | TCM (Transmission Control Module) |
| B+4 | 40A | ICU Junction Block (Fuse – AIR BAG 2, P/ WINDOW LH, P/WINDOW RH, BRAKE SWITCH, IBU 1, DOOR LOCK, IAU, MODULE 1, SUNROOF, Power Window Relay) |
| AMS | 10A | Battery Sensor |
| TCU1 | 10A | M/T: Ignition Lock & Clutch Switch |
| FUEL PUMP | 20A | FUEL PUMP Control Module |
| ABS1 | 40A | ESC (Electronic Stability Control) Control Module |
| ABS2 | 30A | ESC (Electronic Stability Control) Control Module, Multipurpose Check Connector |
| POWER OUTLET1 | 40A | POWER OUTLET FRT |
| WIPER | 25A | Wiper Motor |
| ECS | 15A | ECS Unit |
| A/C | 10A | ECV CLUTCH |
| HORN | 15A | Horn |
| IGN COIL | 20A | Ignition Coil #1~#4 |
| ECU3 | 10A | M/T: Ignition Lock & Clutch Switch, ECM (Engine Control Module) |
| SENSOR3 | 10A | Engine Room Junction Block (RLY.8) |
| ECU2 | 15A | ECM (Engine Control Module) |
| SENSOR2 | 10A | Oil Control Valve, Electronic Water Pump, Canister Close Valve, Active Exhaust Valve, Cooling Fan Controller, Purge Control Solenoid Valve, RCV Control Solenoid Valve, PCB Block (A/C Relay), Oil Level Sensor |
| SENSOR1 | 15A | Oxygen Sensor (UP/DOWN) |
| ABS3 | 10A | ESC (Electronic Stability Control) Control Module, Multipurpose Check Connector |
| ECU1 | 20A | ECM (Engine Control Module) |
| DIAGNOSIS | 40A | Multipurpose Check Connector |
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