Acura MDX 2009 Fuse Box Info
Passenger compartment fuse box location:
The interior fuse box is underneath the dashboard on the driver’s side.
Engine compartment fuse box location:
Luggage compartment fuse box location:
The rear fuse box is located at the left side of cargo area.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 7.5A | TPMS |
| 2 | 10A | Driver’s Lumber Support Motor |
| 3 | 10A | Moonroof |
| 4 | 20A | Front Heated Seats |
| 5 | 10A | Audio |
| 6 | 7.5A | Interior Light |
| 7 | 10A | Interior Light, Moonroof |
| 8 | 20A | Door Lock |
| 9 | 15A | ACC Socket |
| 10 | 15A | IG Coil |
| 11 | 30A | Windshield Wiper |
| 12 | 10A | Subwoofer |
| 13 | 20A | Passenger’s Power Recline |
| 14 | 20A | Driver’s Power Slide |
| 15 | 20A | Telescope Steering Wheel |
| 16 | 20A | Driver’s Power Recline |
| 17 | 20A | Passenger’s Power Slide |
| 18 | 10A | Alternator |
| 19 | 20A | Fuel Pump |
| 20 | 7.5A | SH-AWD, Active Damper Control Unit |
| 21 | 7.5A | Gauges |
| 22 | 10A | SRS |
| 23 | - | Not Used |
| 24 | 20A | Left Rear Power Window |
| 25 | 20A | Right Rear Power Window |
| 26 | 30A | Passenger’s Power Window |
| 27 | 30A | Driver’s Power Window |
| 28 | 20A | Tilt Steering Wheel |
| 29 | 10A | ABS VSA |
| 30 | 10A | A/C |
| 31 | 15A | Headlight Auto Leveling, Rear Wiper, Windshield/Rear Washer |
| 32 | 10A | ACC |
| 33 | - | Not Used |
| Auxiliary Fuse Box: | ||
| 1 | 7.5A | Starter DIAG |
| 2 | 7.5A | STS |
Engine compartment fuse box A (Primary):
| Fuse/Relay N° | Rating | Functions |
| 1 |
120A - |
Main Fuse Not Used |
| 2-1 | - | Not Used |
| 2-2 | - | Not Used |
| 2-3 | 30A | Rear Blower Motor |
| 2-4 | 40A | ABS VSA |
| 2-5 | 40A | Trailer Main |
| 2-6 | 40A | Power Seats, Driver’s Position Memory System, Subwoofer |
| 2-7 | 40A | Front Heated Seat, TPMS, Moonroof, Driver’s Lumber Support |
| 2-8 | - | Not Used |
| 3-1 | 60A | Fog Lights, Front Blower Motor |
| 3-2 | 40A | Headlights, Daytime Running Lights |
| 3-3 | 60A | Cooling Fan, Condenser Fan, MG Clutch, Headlight Washer* |
| 3-4 | 50A | Ignition Switch Main |
| 3-5 | 50A | Power Window |
| 3-6 | 60A | SH-AWD, Power Tailgate Open/Closer, Rear ACC Socket, Cargo Area Light, Rear Defroster |
| 3-7 | 30A | ECU (PCM) |
| 3-8 | - | Not Used |
| 4 | 40A | Audio, Door Lock, Interior Lights |
| 5 | - | Not Used |
| 6 | - | Not Used |
| 7 | 30A | Active Damper Control Unit |
| 8 | 30A | Audio Amplifier |
| 9 | 7.5A | Rear Entertainment System |
| 10 | 15A | Hazard |
| 11 | 15A | Horn, Stop |
| 12 | 20A | ABS VSA |
| 13 | 20A | Trailer (Brake) |
| 14 | 20A | Rear Heated Seat |
| 15 | 20A | A/C Inverter |
* Canadian model
Engine compartment fuse box B (Secondary):
| Fuse/Relay N° | Rating | Functions |
| 1 | 10A | Left Daytime Running Light |
| 2 | 10A | Right Daytime Running Light |
| 3 | 10A | Left Headlight High |
| 4 | 10A | Right Headlight High |
| 5 | 7.5A | Small Lights (Exterior) |
| 6 | 30A | Headlight Low Main |
| 7 | 7.5A | Cooling Fan Timer |
| 8 | 15A | IGP |
| 9 | 15A | IG Coil |
| 10 | 15A | DBW |
| 11 | 15A | AFHT |
| 12 | 40A | Front Blower Motor |
| 13 | 20A | Fog lights |
| 14 | 30A | Headlight Washer* |
| 15 | 30A | Condenser Fan |
| 16 | 30A | Cooling Fan |
| 17 | 7.5A | MG Clutch |
| 18 | 15A | Left Headlight Low |
| 19 | 15A | Right Headlight Low |
| 22 | 7.5A | Small Lights (Interior) |
* Canadian model
Luggage compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | - | Not Used |
| 2 | - | Not Used |
| 3 | - | Not Used |
| 4 | - | Not Used |
| 5 | 10A | Rear ACC Socket |
| 6 | 20A | Power Tailgate* |
| 7 | - | Not Used |
| 8 | 10A | Cargo Area Light |
| 9 | 30A | SH-AWD |
| 10 | 30A | Rear Defroster |
| 11 | 40A | Power Tailgate |
* If equipped
