Acura MDX (2001 – 2006) Fuse Box Diagrams & Location User Guide
This resource is dedicated to helping owners of the Acura MDX from model years 2001 through 2006 effectively diagnose and resolve common electrical issues by focusing on the vehicle’s fuse and relay boxes.
Fuse Box Locations
Engine Compartment Fuse Box
- Primary Under-Hood Fuse Box:
The primary under-hood fuse box is located in the back of the engine compartment on the passenger’s side.
- Secondary Under-Hood Fuse Box:
The secondary fuse box is located in the engine compartment, adjacent to the battery.
Passenger Compartment Fuse Box
- Driver’s Side:
The interior fuse boxes are located underneath the dashboard on each side.
- Passenger’s Side:
To open the fuse box on the passenger’s side, pull the right edge of the cover.
Engine Compartment Fuse Box Diagram
Acura MDX (2001,2002)
Primary Under-Hood Fuse Box:
| No. | Amps. | Circuits Protected |
| 1 | 20 A | Spare Fuse |
| 2 | 30 A | Spare Fuse |
| 3 | 20 A | Right Headlight |
| 4 | (2001) 20 A
(2002) 15 A |
ACG S |
| 5 | 15 A | Hazard |
| 6 | — | Not used |
| 7 | 20 A | Stop |
| 8 | 20 A | Left Headlight |
| 9 | 20 A | Radio |
| 10 | 40 A | Power Window Motor |
| 11 | 30 A | Rear A/C |
| 12 | 30 A | Rear Defroster |
| 13 | 40 A | Back Up, ACC |
| 14 | 40 A | Power Seat |
| 15 | 40 A | Heater Motor |
| 16 | 30 A | Cooling Fan |
| 17 | 7.5 A | Spare Fuse |
| 18 | 10 A | Spare Fuse |
| 19 | 15 A | Spare Fuse |
| 20 | 120 A | Battery |
| 21 | 30 A | Condenser Fan |
| 22 | 7.5 A | MG Clutch |
| 23 | 50 A | IGI Main |
| 24 | 20 A | Fog Lights |
Secondary Under-Hood Fuse Box:
| No. | Amps. | Circuits Protected |
| 1 | 40 A | ABS Motor |
| 2 | 20 A | ABS F/S |
| 3 | 20 A | Rear ACC Socket |
| 4 | 20 A | 4WD |
Acura MDX (2003,2004,2005 and 2006)
Primary Under-Hood Fuse Box:
| No. | Amps. | Circuits Protected |
| 1 | 20 A | Spare Fuse |
| 1 | 40 A | ABS Motor |
| 2 | 30 A | Spare Fuse |
| 2 | 20 A | ABS F/S |
| 3 | 20 A | Right Headlight |
| 3 | 20 A | Rear ACC Socket |
| 4 | 15 A | ACG S |
| 4 | 20 A | 4WD |
| 5 | 15 A | Hazard |
| 6 | — | Not used |
| 7 | 20 A | Stop |
| 8 | 20 A | Left Headlight |
| 9 | 20 A | Radio |
| 10 | 40 A | Power Window Motor |
| 11 | 30 A | Rear A/C |
| 12 | 30 A | Rear Defroster |
| 13 | 40 A | Back Up, ACC |
| 14 | 40 A | Power Seat |
| 15 | 40 A | Heater Motor |
| 16 | 30 A | Cooling Fan |
| 17 | 7.5 A | Spare Fuse |
| 18 | 10 A | Spare Fuse |
| 19 | 15 A | Spare Fuse |
| 20 | 120 A | Battery |
| 21 | 30 A | Condenser Fan |
| 22 | 7.5 A | MG Clutch |
| 23 | 50 A | IGI Main |
| 24 | 20 A | Fog Lights |
Secondary Under-Hood Fuse Box:
| No. | Amps. | Circuits Protected |
| 1 | 20 A | Rear Entertainment System |
| 2 | 40 A | VSA F/S Relay |
| 3 | 30 A | VSA Motor |
| 4 | 20 A | 4WD |
| 5 | 20 A | Rear Accessory Socket |
| 6 | 15 A | ETC |
| 7 | 15 A | IG Coil |
| 8 | 15 A | LAF |
| 9 | 7.5 A | FI-Back-up |
| 10 | 20 A | P/W DR |
Passenger Compartment Fuse Box Diagram
Acura MDX (2001,2002 and 2003)
Driver’s Side:
| No. | Amps. | Circuits Protected |
| 1 | 15 A | Fuel Pump |
| 2 | 10 A | SRS |
| 3 | 7.5 A | Heater Control, A/C Clutch Relay, Cooling Fan Relay |
| 4 | 7.5 A | Power Mirror |
| 5 | 10 A | Daytime Running Light*/Rear Wiper |
| 6 | 15 A | ECU (PCM), Cruise Control |
| 7 | 7.5 A | OPDS |
| 8 | 7.5 A | ACC Relay |
| 9 | 10 A | Back-up Lights, Instrument Lights |
| 10 | 7.5 A | Turn Signals |
| 11 | 15 A | IG Coil |
| 12 | 30 A | Front Wiper |
| 13 | 7.5 A | Starter Signal |
Passenger’s Side:
| No. | Amps. | Circuits Protected |
| 1 | 30 A | (2001,2002) Sun Roof,
(2003) Moonroof |
| 2 | 20 A | Driver’s Power Seat Reclining |
| 3 | 20 A | Passenger’s Power Seat Sliding |
| 4 | 20 A | Driver’s Power Seat Sliding |
| 5 | 20 A | Passenger’s Power Seat Reclining |
| 6 | 10 A | Daytime Running Light* |
| 7 | 20 A | Driver’s side Rear Power Window |
| 8 | 20 A | Front Passenger’s Power Window |
| 9 | 15 A | Front Accessory Socket |
| 10 | 15 A | Small Light |
| 11 | 10 A | (2001 – 2002) Interior Light, Radio (2003) Interior Light |
| 12 | 20 A | Power Door Lock |
| 13 | 7.5 A | (2001 – 2002) Back Up
(2003) Back Up, Clock |
| 14 | 20 A | Heated Seat |
| 15 | 20 A | Driver’s Power Window |
| 16 | 20 A | Passenger’s Side Rear Power Window |
Acura MDX (2004,2005 and 2006)
Driver’s Side:
| No. | Amps. | Circuits Protected |
| 1 | 15 A | Fuel Pump |
| 2 | 10 A | SRS |
| 3 | 7.5 A | Heater Control, A/C Clutch Relay, Cooling Fan Relay |
| 4 | 7.5 A | Power Mirror |
| 5 | 10 A | Daytime Running Light*/ Rear Wiper |
| 6 | 15 A | ECU (PCM), Cruise Control |
| 7 | 7.5 A | (2004)OPDS (2005 – 2006)OPDS, OnStar |
| 8 | 7.5 A | ACC Relay |
| 9 | 10 A | Back-up Lights, Instrument Lights, TPMS |
| 10 | 7.5 A | Turn Signals |
| 11 | 15 A | IG Coil |
| 12 | 30 A | Front Wiper |
| 13 | — | Not Used |
Passenger’s Side:
| No. | Amps. | Circuits Protected |
| 1 | 30 A | Moonroof |
| 2 | 20 A | Driver’s Power Seat Reclining |
| 3 | 20 A | Passenger’s Power Seat Sliding |
| 4 | 20 A | Driver’s Power Seat Sliding |
| 5 | 20 A | Passenger’s Power Seat Reclining |
| 6 | 10 A | (2004) Daytime Running Light
(2005 – 2006) Daytime Running Light,OnStar |
| 7 | 20 A | Driver’s Side Rear Power Window |
| 8 | 20 A | Front Passenger’s Power Window |
| 9 | 15 A | (2004) Front Accessory Socket (2005 – 2006) Front Accessory Socket,HFL, OnStar |
| 10 | 15 A | Small Light |
| 11 | 10 A | (2004) Interior Light, TPMS
(2005 – 2006) Interior Light, TPMS, HF |
| 12 | 20 A | Power Door Lock |
| 13 | 7.5 A | Back Up, Clock |
| 14 | 20 A | Heated Seat |
| 15 | 20 A | Driver’s Power Window |
| 16 | 20 A | Passenger’s Side Rear Power Window |
Driver’s Side Auxiliary:
| No. | Amps. | Circuits Protected |
| 1 | 7.5 A | Horn |
| 2 | 7.5 A | ELD Unit, Immobilizer Control Unit, VSA Control Unit, Alternator |
| 3 | 7.5 A | Auto Wipers |