Acura MDX 2025 Fuse Box Info
Passenger compartment fuse box location:
The interior fuse boxes A and B are located under the dashboard on the driver’s side. The interior fuse box C is on the lower side panel on the passenger’s side.
Engine compartment fuse box location:
Luggage compartment fuse box location:
The rear fuse box A is located at the left side of cargo area. The rear fuse box B is located on the battery in the cargo area..
Fuse Box Diagram | Layout
Passenger compartment fuse box A:
| Fuse/Relay N° | Rating | Functions |
| 1 | 30A | Driver’s Power Window |
| 2 | 30A | Front Passenger’s Power Window |
| 3 | 30A | Rear Passenger’s Side Power Window |
| 4 | 30A | Rear Driver’s Side Power Window |
| 5 | 10A | Option |
| 6 | 10A | SRS |
| 7 | - | - |
| 8 | - | - |
| 9 | - | - |
| 10 | 20A | Door Lock Main |
| 11 | 10A | Meter |
| 12 | 10A | Transmission |
| 13 |
10A |
Electric Brake Booster*1 |
| 14 | 10A | Starter Motor |
| 15 | 7.5A | Driver’s Door Unlock |
| 16 | 20A | Panoramic Roof |
| 17 | 15A | Option |
| 18 | - | |
| 19 | 10A | CGW |
| 20 | 10A | Ambient Lighting |
| 21 | - | - |
| 22 | 10A | Keyless Access System |
| 23 | 7.5A | Driver’s Door Lock |
| 24 | - | - |
| 25 | 10A | Shifter |
| 26 | 10A | SRS |
| 27 |
15A*1 10A*2 |
ACG |
| 28 | 10A | VSA/ABS |
| 29 |
20A*1 10A*2 |
Fuel Pump |
| 30 | 10A | Driver’s Side Door Unlock |
| 31 | 7.5A | Passenger’s Side Door Unlock |
| 32 | 10A | Steering Column Adjust |
| 33 | - | - |
| 34 |
(20A) - |
Audio Amp*1 −*2 |
| 35 | 20A | Steering Column Adjust |
| 36 | 20A | Sunshade |
| 37 |
−*1 (20A) |
- Audio Amp*2 |
| 38 | 10A | Option |
| 39 | 7.5A | Passenger’s Side Door Lock |
| 40 | 30A | Driver’s Power Seat |
| 41 | 10A | Driver’s Massage Seat* |
| 42 |
10A - |
Battery Fan*1 -*2 |
| 43 | 10A | AIRCON |
| 44 | 10A | Daytime Running Lights |
| 45 | 10A | ACCESSORY |
| 46 | - | - |
| 47 | 10A | Driver’s Side Door Lock |
| 48 | - | - |
| 49 | 30A | Front Passenger’s Power Seat |
| 50 | - | - |
| 51 |
- 10A |
-*1 Radar Vision Unit*2 |
| 52 | - | - |
| 53 | 10A | Front Passenger’s Massage Seat* |
| 54 | - | - |
| 55 | - | - |
| 56 | - | - |
* Not available on all models
*1: 3.5 L engine models
*2: 3.0 L engine models
Passenger compartment fuse box B:
| Fuse/Relay N° | Rating | Functions |
| A | 10A | Meter |
| B | 10A | AcuraWatchTM |
| C | 10A | AIRCON |
| D |
10A - |
Active Control Mount*1 -*2 |
| E | 10A | Active Noise Canceling |
| F | 10A | Steering Wheel Audio |
| G | 10A | Infotainment |
* Not available on all models
Passenger compartment fuse box C:
| Fuse/Relay N° | Rating | Functions |
| 1 | - | - |
| 2 | 10A | A/C Compressor |
| 3 | (10A) | Heated Steering Wheel* |
| 4 | (15A) | Heated Windshield* |
| 5 | 10A | Fog Lights* |
| 6 | 15A | FI Sub |
| 7 | 20A | Front Seat Heaters |
| 8 | - | - |
| 9 | - | - |
| 10 | (20A) | Second Row Seat Heaters* |
| 11 | 20A | Accessory Power Socket (on the rear of the Console Compartment) |
| 12 | 20A | Accessory Power Socket (Front Console) |
* Not available on all models
Engine compartment fuse box A:
| Fuse/Relay N° | Rating | Functions |
| 1 |
225A - |
Battery*1 −*2 |
| 2 | 30A |
Idle Stop 1*1 −*2 |
| 2 | 30A | Idle Stop 2 |
| 2 | 80A |
EPS*1 −*2 |
| 2 | 70A |
Power Module 1*1 −*2 |
| 2 | 60A | Fuse Box Main 1 |
| 2 | 60A | Fuse Box Option 1 |
| 2 | 30A | Rear Blower |
| 3 | 30A |
Active Control Mount*1 −*2 |
| 3 | 30A | Starter Motor |
| 3 | 30A |
Radiator Fan*1 −*2 |
| 3 | 40A | Heater Motor |
| 3 | 40A | Power Module ACC |
| 3 | 40A | Rear Defogger |
| 3 | 60A | Fuse Box Option 2 |
| 4 | (30A) | - |
| 4 | 40A |
Brake Booster*1 −*2 |
| 4 |
60A 70A |
Rear Fuse Box Main 2*1 Power Module 1*2 |
| 4 |
40A 30A |
VSA F/S RLY*1 −*2 |
| 4 |
60A 30A |
Rear Fuse Box Main 1*1 Idle Stop 1*2 |
| 4 |
60A*1 30A*2 |
- |
| 4 |
60A 30A |
Fuse Box Main 2*1 −*2 |
| 5 | 30A | Power Module 2 |
| 5 | 40A | VSA Pump Motor |
| 5 | 30A | IG Main 2 |
| 5 | 30A | Relay Module 2 |
| 5 | 30A | Relay Module 1 |
| 5 | 30A | - |
| 5 | 30A | IG Main 1 |
| 6 | 30A |
Conditioner Fan*1 Fuel Pump*2 |
| 7 | 30A | Wiper |
| 8 |
- 20A |
−*1 AVC*2 |
| 9 |
15A - |
FI Main*1 −*2 |
| 10 | - | - |
| 11 |
20A - |
Injector*1 −*2 |
| 12 | - | - |
| 13 | (20A) | Trailer E-Brake* |
| 14 | 15A | Horn |
| 15 |
- 10A |
−*1 Cooling Fan*2 |
| 16 | 10A | FI-ECU |
| 17 | - | - |
| 18 |
15A - |
DBW*1 −*2 |
| 19 | 15A | Audio |
| 20 | 7.5A | Back Up |
| 21 | 15A | Transmission 1 |
| 22 | - | - |
| 23 | 10A | Hazard |
| 24 | - | - |
| 25 | 7.5A | Brake Lights |
| 26 | 15A | IG Coil |
| 27 | 10A | Transmission 3 |
| 28 | 10A | Transmission 2 |
| 29 | - | - |
| 30 | - | - |
| 31 | 15A | Washer |
| 32 |
10A 15A |
Battery Sensor*1 Injector*2 |
| 33 |
10A 20A |
Shutter Grille*1 FI Main*2 |
| 34 | - | - |
| 35 | - | - |
| 36 |
10A - |
Cruise SW*1 −*2 |
| 37 |
(10A) - |
IGPS (VSS)*1 −*2 |
| 38 |
10A 7.5A |
Sub Fan Diode*1 IGPS (PCS)*2 |
| 39 |
- 10A |
−*1 IGPS (ABV)*2 |
| 40 | - | - |
| 41 | - | - |
* Not available on all models
*1: 3.5 L engine models
*2: 3.0 L engine models
Engine compartment fuse box B:
| Fuse/Relay N° | Rating | Functions |
| 1 | 250A | Main Fuse |
| 2 | 200A | R/B ACG |
| 3 | 80A | EPS |
| 4 | 40A | VSA |
| 5 | 40A | ESB |
| 6 | 60A | RFC2 |
| 7 | 60A | RFC1 |
Luggage compartment fuse box A:
| Fuse/Relay N° | Rating | Functions |
| 1 | (30A) | SH-AWD®* |
| 2 | 40A | Power Tailgate |
| 3 | (40A) | Air Suspension* |
| 4 | - | - |
| 5 | (40A) | Audio Amp* |
| 6 | - | - |
| 7 | - | - |
| 8 | - | - |
| 9 | - | - |
| 10 | (10A) | SH-AWD®* |
| 11 | 30A | Driver’s Power Seat |
| 12 | 30A | Driver’s Power Seat |
| 13 | (10A) | Trailer Back Lights* |
| 14 | 15A | Rear Lights |
| 15 | (10A) | Trailer Hazard Lights* |
| 16 | (20A) | Air Suspension* |
| 17 | 20A | Accessory Power Socket (Cargo Area) |
| 18 | (15A) | Adaptive Damper System* |
| 19 | 30A | Front Passenger’s Power Seat |
| 20 | 30A | Front Passenger’s Power Seat |
| 21 | (20A) | Trailer Small Lights* |
| 22 | 20A | Power Tailgate |
| 23 | (10A) | Battery Sensor* |
| 24 | - | - |
| 25 | 20A | Third Row Seat Access |
| 26 | (20A) | Trailer Charge* |
| 27 | - | - |
| 28 | - | - |
| 29 | - | - |
| 30 | - | - |
* Not available on all models
Luggage compartment fuse box B:
| Fuse/Relay N° | Rating | Functions |
| B | 450A | Battery |
| C | 150A | - |
| D | 200A | Jump Start Box |
| E | 80A | - |
| F | 70A | Rear Fuse Box 1 |
| G | 60A | Fuse Box 2 |
| H | 70A | Rear Fuse Box 2 |
