Acura MDX (2001-2006) – fuses diagram

Motor fuse and relay box

Number A Function
41 120 Battery, power distribution
42 50 Ignition switch (BAT), optional U connector
43 20 Daytime running light control (Canada), headlight (right), fog light relay
44 Not used
45 20 Daytime running light controller (Canada), dimmer relay, headlight (left), high beam indicator
46 15 Data link connector (DLC), Injectors, PGM-FI 1 main relay, CMP sensor, CKP A sensor, CKP B sensor
47 20 Brake lights, driver multiplex control unit, Horn (high), ignition switch, fuse No. 90 (in auxiliary fuse holder 1), PCM, trailer light 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 Emergency lights
50 20 Fog lights
51 40 Fuses No. 1, 7, 8, 15 and 16 (in passenger’s hand-held/relay fuse box), power window relay
52 30 Rear blower motor
53 30 Rear window defogger
54 40 Fuses #9, 10, 11, 12 and 13 (in the passenger fuse/relay box under the dashboard)
55 40 Fuses No. 2, 3, 4, 5, 6 and 14 (in the fuse box under the passenger’s dashboard)
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 Air conditioning condenser fan relay
R5 Blower motor relay
R6 Heater fan relay
R7 A/C compressor clutch relay

Under the hood Fuse box

Number A Function
1 20 Audio device (with rear entertainment system), rear controller and screen (with rear entertainment system), OVD player (with rear entertainment system) VTM control unit
2 40 VSA modulator control unit (+B FSR)
3 30 VSA modulator control unit (+B MTR)
4 20 VTM control unit Audio device (with rear entertainment system), rear controller and screen (with rear entertainment system), OVO player (with rear entertainment system)
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, A/F sensor relay, radiator fan relay, engine control coil, EVAP canister flush valve, secondary heated oxygen sensors (Bank 1, Bank 2), ELO unit
10 7.5 PCM (VBU), TPMS control unit, HandsFreeLink control unit
11 20 Power window control unit

Fuse under driver’s dashboard/delay box

Number A Function
1 15 Fuel pump, SRS unit (VA)
2 10 SRS unit (VB)
3 7.5 A/C compressor clutch relay, blower motor relay, climate control panel, climate control unit, A/C fan relay, fan control relay, rear blower motor relay, rear A/C heater – control panel, rear motor control mode, rear window defogger relay, recirculation control motor
4 7.5 Automatic interior dimming mirror, Automatic lighting control, Electric compass (without navigation system), Multi-information display (without navigation system), Optional R connector, Power mirror actuator, Power mirror splitter, Seat heater relay
5 10 Daytime running light controller (Canada)
6 15 PCM, VTM relay, Shift lock relay
7 7.5 OPDS unit, OPDS unit, seat weight sensor unit
8 7.5 Accessory power relay socket, optional connectors, sliding lock solenoid, rear power relay socket
9 10 Automatic lighting control unit, brake light failure sensor, brake light failure indicator, cruise control master switch, driver’s multiplex controller, driver’s seat controller, gauge assembly, shift relay*4, keyless entry receiver, passenger’s multiplex controller, passenger airbag deactivation indicator, rain sensor (with automatic wiper), reverse relay, VTM-4 controller, VTM-4 relay, VTM-4 relay, VTM-4 switch, VTM-4 switch, VTM-4 switch, windshield washer, windshield washer motor (with automatic wiper), TPMS controller*, TPMS controller
10 7.5 Turn signal light / hazard lights Relay
11 10 Rear window wiper control, rear window wiper motor, rear window washer motor
12 30 Intermittent wiper relay, windshield washer motor, windshield wiper motor (with automatic wiper), automatic wiper relay (with automatic wiper)
13 Not used

Rear view

Number Relay
R1 Relay activated by the starter
R2 Reversing relay
R3 Switch signal / danger relay

Under-dash fuse / relay box

Number A Function
1 30 Sunroof motor
2 20 Rear driver’s seat motor down, driver’s seat motor up, driver’s seat motor down, driver’s seat control unit up (with DPMS)
3 20 Front passenger seat upside down front passenger seat upside down front passenger seat slider motor front passenger seat slider motor
4 20 Front driver’s seat motor down, driver’s seat slider motor, driver’s seat control unit (with DPMS)
5 20 Front passenger seat motor down, front passenger seat backrest motor, Passenqer multiplex control unit
6 10 Daytime running light control unit (Canada), OnStar*3 control unit
7 20 Left rear window motor Moonroof open relay*1, Moonroof close relay*1
8 20 Front passenger window motor
9 15 Audio module, Console accessory power socket, DVD player (with rear entertainment system), Front accessory power socket, Headphone jack (with rear entertainment system), Multimedia display (without navigation system), Navigation display, Navigation, Optional cigarette lighter connector, Rear controller and screen (with rear entertainment system), Rear camera controller (with navigation system)
10 15 A/T transmission position indicator light, Audio unit indicator light, Air conditioner light, Cruise control switch light, Dashboard light brightness controller, Driver’s position memory switch light, Driver’s multiplex switch light, DVD player, Glove box light, Fog light switch light, Hazard light switch light, Interior light switch light, Front parking lights, Left tail light, License plate light (left and right), Moonroof switch light, Multi-information display light, Navigation display light, Navigation device, Optional T connector, Passenger airbag deactivation indicator, Front marker light, Right tail light, Seat heater switch, Light selector/reset switch, Tail light relay, Trailer light connector, VTM-4 lock light switch Ambient lighting*5
11 10 Cargo area light, Courtesy light, Multi-information display unit (without navigation system), Navigation display unit, Vanity mirror light, Rear individual map light, Front individual map/HomeLink footwell light*5, TPMS control unit*2.
12 20 Passenger multiplex control unit
13 7.5 Automatic lighting control unit, door multiplex control unit, driver’s seat control unit (with DPMS), driver’s multiplex control unit, driver’s position memory indicator, driver’s position memory indicator unit, immobilizer indicator unit, immobilizer indicator, keyless entry receiver unit, navigation unit, Passenqer multiplex control unit, reversing camera control unit (with navigation), security indicator
14 20 Seat heaters
15 7.5 Door multiplex controller, power window controller, Moonroof open relay*5, Moonroof close relay*5
16 20 Right rear window motor

Rear view

Number Relay
R1 Power window relay
R2 Auxiliary power window relay
R3 Rear window defogger relay

Auxiliary fuse sockets

Number A Function
90 7.5 Horn relay Horn (low)
91 7.5 Automatic windshield wiper control unit Windshield wiper motor (with automatic wiper)
92 7.5 Fuse No. 6 (in the fuse box under the driver’s dash/relay) Alternator, ELD unit (model 03), immobilizer control unit – receiver, VSA modulator control unit