Acura MDX (2001 – 2006) – fuse box diagram
Year of production: 2001, 2002, 2003, 2004, 2005, 2006
Engine compartment fuse and relay box
| ? | A | Component(s) or Circuit(s) Protected |
| 41 | 120 | Battery, Power distribution |
| 42 | 50 | Ignition switch (BAT), Optional connector U |
| 43 | 20 | Daytime running lights control unit (Canada), Headlight (right), Fog light relay |
| 44 | – | Not used |
| 45 | 20 | Daytime running lights control unit (Canada), Dimmer relay, Headlight (left), High beam indicator |
| 46 | 15 | Data link connector (DLC), Injectors, PGM-FI main relay 1, CMP sensor, CKP sensor A, CKP sensor B |
| 47 | 20 | Brake lights, Driver’s multiplex control unit, Horn (high), Ignition key switch, No. 90 fuse (in the auxiliary fuse holder 1), PCM, Trailer lighting connector, VSA modulator-control unit |
| 48 | 20 | Audio unit (without rear entertainment system), Front stereo amplifier*1, Rear stereo amplifier*3, Stereo amplifier*2 |
| 49 | 15 | Hazard warning lights |
| 50 | 20 | Fog lights |
| 51 | 40 | No.1, 7, 8,15, and 16 fuses (in the passenger’s under-dash fuse/relay box), Power window relay |
| 52 | 30 | Rear blower motor |
| 53 | 30 | Rear window defogger |
| 54 | 40 | No.9, 10, 11, 12 and 13 fuses (in the passenger’s under-dash fuse/relay box) |
| 55 | 40 | No.2, 3, 4, 5, 6 and 14 fuses (in the passenger’s under-dash fuse/relay box) |
| 56 | 40 | Blower motor relay |
| 57 | 30 | Radiator fan motor |
| 58 | 30 | A/C condenser fan motor |
| 59 | 7.5 | A/C compressor clutch |
| • | – | Spare fuse |
| Relay | ||
| R1 | Headlight relay 1 (right) | |
| R2 | Headlight relay 2 (left) | |
| R3 | Horn relay | |
| R4 | A/C condenser fan relay | |
| R5 | Blower motor relay | |
| R6 | Radiator fan relay | |
| R7 | A/C compressor clutch relay | |
| *1: ’03 model *2: ’04-06 models *3: All ’03 models and ’04-06 models without BOSE |
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Under-hood Subfuse Box
| ? | A | Component(s) or Circuit(s) Protected |
| 1 | 20 | Audio unit (with rear entertainment system), Rear controller and screen (with rear entertainment system), OVD player unit (with rear entertainment system)*4 VTM-4 control unit*1,*2 |
| 2 | 40 | VSA modulator-control unit (+B FSR) |
| 3 | 30 | VSA modulator-control unit (+B MTR) |
| 4 | 20 | VTM-4 control unit*4 Audio unit (with rear entertainment system), Rear controller and screen (with rear entertainment system), OVO player unit (with rear entertainment system)*1,*2 |
| 5 | – | Not used |
| 6 | 20 | Rear accessory power socket |
| 7 | 15 | Throttle actuator control module |
| 8 | 15 | Ignition coils |
| 9 | 15 | A/F sensors (Bank 1, Bank 2), A/F sensor relay, Radiator fan relay, Engine mount control solenoid, EVAP canister purge valve, Secondary heated oxygen sensors (Bank 1, Bank 2), ELO unit*4 |
| 10 | 7.5 | PCM (VBU), TPMS control unit*3, HandsFreeLink control unit*3 |
| 11 | 20 | Power window control unit |
| * 1: ’03 model * 2: ’04 model * 3: ’05 moqel * 4: ’04-06 models |
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Driver’s Under-dash Fuse/Relay Box
| ? | Relay |
| R1 | Starter cut relay |
| R2 | Reverse relay |
| R3 | Turn signal/hazard relay |
Passenger’s Under-dash Fuse/Relay Box
| ? | Relay |
| R1 | Power window relay |
| R2 | Accessory power socket relay |
| R3 | Rear window defogger relay |
Auxiliary Fuse Holder’s
Alternator, ELD unit (’03 model), Immobilizer control unit-receiver, VSA modulator-control unit
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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