Acura MDX (2022 – 2026) Fuse Box Location & Diagrams
We will explain the Acura MDX (2022–2026) fuse box locations and diagrams in detail. This blog helps you identify interior and engine fuse boxes, understand functions, and troubleshoot electrical issues easily for better vehicle maintenance and quick repairs when needed with clear step-by-step instructions included.
Fuse Box Location
Engine Compartment Fuse Boxes
Located near the brake fluid reservoir. Push the tabs to open the box. Fuse locations are shown on the fuse box cover.
Passenger Compartment Fuse Boxes
- Driver’s Side Interior Fuse Box is located under the dashboard. Fuse locations are shown on the label on the side panel.
- Passenger’s Side Interior Fuse Box is located on the lower side panel. Take off the cover to open. Fuse locations are shown on the label.
Luggage Compartment Fuse Boxes
- Rear Fuse Box is located in the cargo area. Remove the cover by prying on the edge of the cover using a flat-tip screwdriver. Fuse locations are shown on the label on the back of the cover.
- Battery Fuse Box (if equipped) is located on the battery in the cargo area. Push the tabs to open the box. Fuse locations are shown on the fuse box cover.
Fuse Box Diagrams
Engine Compartment Fuse Boxes
Main Fuse Box
| № | Circuit Protected | Amps |
|---|---|---|
| 1 | 3.5L: Battery | 225A |
| 2 | 3.5L: Idle Stop 1 | 30A |
| Idle Stop 2 | 30A | |
| 3.5L: EPS | 80A | |
| 3.5L: Power Module 1 | 70A | |
| Fuse Box Main 1 | 60A | |
| Fuse Box Option 1 | 60A | |
| Rear Blower | 30A | |
| 3 | 3.5L: Active Control Mount | 30A |
| Starter Motor | 30A | |
| 3.5L: Radiator Fan | 30A | |
| Heater Motor | 40A | |
| Power Module ACC | 40A | |
| Rear Defogger | 40A | |
| Fuse Box Option 2 | 60A | |
| 4 | 2022-2024: AC Power Outlet | (30A) |
| 3.5L: Brake Booster | 40A | |
| 3.5L: Rear Fuse Box Main 2 3.0L: Power Module 1 | 60A 70A | |
| 3.5L: VSA F/S RLY | 40A | |
| 3.5L: Rear Fuse Box Main 1 3.0L: Idle Stop 1 | 60A 30A | |
| – | 60A/30A | |
| 3.5L: Fuse Box Main 2 | 60A | |
| 5 | Power Module 2 | 30A |
| VSA Pump Motor | 40A | |
| IG Main 2 | 30A | |
| Relay Module 2 | 30A | |
| Relay Module 1 | 30A | |
| – | 30A | |
| IG Main 1 | 30A | |
| 6 | 3.5L: Conditioner Fan 3.0L: Fuel Pump | 30A |
| 7 | Wiper | 30A |
| 8 | 3.0L: AVC | 20A |
| 9 | 3.5L: FI Main | 15A |
| 10 | – | – |
| 11 | 3.5L: Injector | 20A |
| 12 | – | – |
| 13 | Trailer E-Brake | (20A) |
| 14 | Horn | 15A |
| 15 | 3.0L: Cooling Fan | 10A |
| 16 | FI-ECU | 10A |
| 17 | – | – |
| 18 | 3.5L: DBW | 15A |
| 19 | Audio | 15A |
| 20 | Back Up | 7.5A |
| 21 | Transmission 1 | 15A |
| 22 | – | – |
| 23 | Hazard | 10A |
| 24 | – | – |
| 25 | Brake Lights | 7.5A |
| 26 | IG Coil | 15A |
| 27 | Transmission 3 | 10A |
| 28 | Transmission 2 | 10A |
| 29 | – | – |
| 30 | – | – |
| 31 | Washer | 15A |
| 32 | 3.5L: Battery Sensor | 10A |
| 3.0L: Injector | 15A | |
| 33 | 3.5L: Shutter Grille | 10A |
| 3.0L: FI Main | 20A | |
| 34 | – | – |
| 35 | – | – |
| 36 | 3.5L: Cruise SW | 10A |
| 37 | 3.5L: IGPS (VSS) | (10A) |
| 38 | 3.5L: Sub Fan Diode | 10A |
| 3.0L: IGPS (PCS) | 7.5A | |
| 39 | 3.0L: IGPS (ABV) | 10A |
| 40 | – | – |
| 41 | – | – |
Sub Fuse Box
| № | Circuit Protected | Amps |
|---|---|---|
| 1 | Main Fuse | 250A |
| 2 | R/B ACG | 200A |
| 3 | EPS | 80A |
| 4 | VSA | 40A |
| 5 | ESB | 40A |
| 6 | RFC2 | 60A |
| 7 | RFC1 | 60A |
Passenger Compartment Fuse Boxes
Driver’s Side Interior Fuse Box
| № | Circuit Protected | Amps |
|---|---|---|
| 1 | Driver’s Power Window | 30A |
| 2 | Front Passenger’s Power Window | 30A |
| 3 | Rear Passenger’s Side Power Window | 30A |
| 4 | Rear Driver’s Side Power Window | 30A |
| 5 | Option | 10A |
| 6 | SRS | 10A |
| 7 | – | – |
| 8 | – | – |
| 9 | – | – |
| 10 | Door Lock Main | 20A |
| 11 | Meter | 10A |
| 12 | Transmission | 10A |
| 13 | 2022-2024, 3.5L: Battery Fan 2025-2026, 3.5L: Electric Brake Booster | 10A |
| 2025-2026, 3.0L: Electric Servo Brake | ||
| 14 | Starter Motor | 10A |
| 15 | Driver’s Door Unlock | 7.5A |
| 16 | Panoramic Roof | 20A |
| 17 | 2025-2026: Option | 15A |
| 18 | – | – |
| 19 | 2025-2026: CGW | 10A |
| 20 | Ambient Lighting | 10A |
| 21 | 2022-2024: Accessory Power Socket (in the Console Compartment) | 20A |
| 22 | Keyless Access System | 10A |
| 23 | Driver’s Door Lock | 7.5A |
| 24 | – | – |
| 25 | Shifter | 10A |
| 26 | SRS | 10A |
| 27 | 3.5L: ACG | 15A |
| 3.0L: ACG | 10A | |
| 28 | VSA/ABS | 10A |
| 29 | 3.5L: Fuel Pump | 20A |
| 3.0L: Fuel Pump | 10A | |
| 30 | Driver’s Side Door Unlock | 10A |
| 31 | Passenger’s Side Door Unlock | 7.5A |
| 32 | Steering Column Adjust | 20A |
| 33 | 2022-2024: IMG | 10A |
| 34 | 2025-2026, 3.5L: Audio Amp | (20A) |
| 35 | Steering Column Adjust | 20A |
| 36 | Sunshade | 20A |
| 37 | 3.0L: Audio Amp | (20A) |
| 38 | Option | 10A |
| 39 | Passenger’s Side Door Lock | 7.5A |
| 40 | Driver’s Power Seat | 30A |
| 41 | Driver’s Massage Seat* | 10A |
| 42 | 2025-2026, 3.5L: Battery Fan | 10A |
| 43 | AIRCON | 10A |
| 44 | Daytime Running Lights | 10A |
| 45 | ACCESSORY | 10A |
| 46 | – | – |
| 47 | Driver’s Side Door Lock | 10A |
| 48 | – | – |
| 49 | Front Passenger’s Power Seat | 30A |
| 50 | – | – |
| 51 | 2025-2026, 3.0L: Radar Vision Unit | 10A |
| 52 | – | – |
| 53 | Front Passenger’s Massage Seat* | 10A |
| 54 | 2022-2024: Option | 10A |
| 55 | 2022-2024, 3.5L: Audio Amp | 30A |
| 56 | – | – |
| Sub Fuse Box | ||
| A | Meter | 10A |
| B | Acura Watch | 10A |
| C | AIRCON | 10A |
| D | 3.5L: Active Control Mount | 10A |
| E | Active Noise Canceling | 10A |
| F | Steering Wheel Audio | 10A |
| G | Infotainment | 10A |
| * Not available on all models | ||
Passenger’s Side Interior Fuse Box
| № | Circuit Protected | Amps |
|---|---|---|
| 1 | – | – |
| 2 | A/C Compressor | 10A |
| 3 | Heated Steering Wheel* | (10A) |
| 4 | Heated Windshield* | (15A) |
| 5 | Fog Lights* | 10A |
| 6 | FI Sub | 15A |
| 7 | Front Seat Heaters | 20A |
| 8 | – | – |
| 9 | – | – |
| 10 | Second Row Seat Heaters* | (20A) |
| 11 | Accessory Power Socket (on the rear of the Console Compartment) | 20A |
| 12 | Accessory Power Socket (Front Console) | 20A |
| * Not available on all models | ||
Luggage Compartment Fuse Boxes
Rear Fuse Box
| № | Circuit Protected | Amps |
|---|---|---|
| 1 | SH-AWD* | (30A) |
| 2 | Power Tailgate | 40A |
| 3 | Air Suspension* | (40A) |
| 4 | – | – |
| 5 | Audio Amp* | (40A) |
| 6 | – | – |
| 7 | – | – |
| 8 | – | – |
| 9 | – | – |
| 10 | SH-AWD* | (10A) |
| 11 | Driver’s Power Seat | 30A |
| 12 | Driver’s Power Seat | 30A |
| 13 | Trailer Back Lights* | (10A) |
| 14 | Rear Lights | 15A |
| 15 | Trailer Hazard Lights* | (10A) |
| 16 | Air Suspension* | (20A) |
| 17 | Accessory Power Socket (Cargo Area) | 20A |
| 18 | Adaptive Damper System* | (15A) |
| 19 | Front Passenger’s Power Seat | 30A |
| 20 | Front Passenger’s Power Seat | 30A |
| 21 | Trailer Small Lights* | (20A) |
| 22 | Power Tailgate | 20A |
| 23 | Battery Sensor* | (10A) |
| 24 | – | – |
| 25 | Third Row Seat Access | 20A |
| 26 | Trailer Charge* | (20A) |
| 27 | – | – |
| 28 | – | – |
| 29 | – | – |
| 30 | – | – |
| * Not available on all models | ||
Battery Fuse Box
| № | Circuit Protected | Amps |
|---|---|---|
| B | Battery | 450A |
| C | – | 150A |
| D | Jump Start Box | 200A |
| E | – | 80A |
| F | Rear Fuse Box 1 | 70A |
| G | Fuse Box 2 | 60A |
| H | Rear Fuse Box 2 | 70A |
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