Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA2015MDX BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALMOTORS, SWITCHES, RELAYSELECTRICAL SYSTEM - TESTING & TROUBLESHOOTING / GEN INFO (EXCEPT HYBRID)FUSE TO COMPONENTS INDEXFUSE TO COMPONENTS INDEX (WITH AUTO IDLE STOP SYSTEM) (2019 2020)DRIVER'S UNDER-DASH FUSE/RELAY BOX
2015 Acura MDX Base
Driver's Under-Dash Fuse/Relay Box
2015 Acura MDX BaseSECTION Driver's Under-Dash Fuse/Relay Box
Driver's Under-Dash Fuse/Relay Box Legend
| Fuse Number | Amps | Component(s) or Circuit(s) Protected |
|---|---|---|
| D1 | 10 A | Front passenger's door lock actuator, Right rear door lock actuator |
| D2 | 7. 5 A | Left rear door lock actuator |
| D3 | 7. 5 A | Driver's door lock actuator |
| D4 | 10 A | Front passenger's door lock actuator, Right rear door lock actuator |
| D5 | 7. 5 A | Left rear door lock actuator |
| D6 | 7. 5 A | Driver's door lock actuator (via power door lock relay (DR UNLOCK) circuit (built into the driver's under-dash fuse/relay box)), Power door lock relay (DR UNLOCK) circuit (built into the driver's under-dash fuse/relay box) |
| D7 | 20 A | No. D1, No. D2, and No. D3 fuses in the driver's under-dash fuse/relay box (via power door lock relay (LOCK) circuit (built into the driver's under-dash fuse/relay box)), No. D4 and No. D5 fuses in the driver's under-dash fuse/relay box (via power door lock relay (UNLOCK) circuit (built into the driver's under-dash fuse/relay box)), Power door lock relay (LOCK) circuit (built into the driver's under-dash fuse/relay box), Power door lock relay (UNLOCK) circuit (built into the driver's under-dash fuse/relay box) |
| D8 | - - - | Not used |
| D9 | 20 A | Power tilt/telescopic steering control unit |
| D10 | 15 A | No. F12 and No. F13 fuses in the rear fuse/relay box |
| D11 | 7. 5 A | ANC/active sound control unit, Audio-navigation unit (via reverse relay circuit (built into the driver's under-dash fuse/relay box)) (with navigation), Audio unit (via reverse relay circuit (built into the driver's under-dash fuse/relay box)) (without navigation), Automatic dimming inside mirror (via reverse relay circuit (built into the driver's under-dash fuse/relay box)), Back-up lights (via reverse relay circuit (built into the driver's under-dash fuse/relay box)), Driver's MICU, Driver's MICU (via reverse relay circuit (built into the driver's under-dash fuse/relay box) at internal connection), Electrical compass unit (with electrical compass unit), Heads-up warning unit (with CMBS), Optional connector, Parking and back-up sensor control unit, Parking and back-up sensor switch, Power mirror control unit, Power seat control unit, Power tilt/telescopic steering control unit, Reverse relay circuit (built into the driver's under-dash fuse/relay box), SBW shifter control module |
| D12 | 20 A | No. C3, No. C4, No. C5, No. C6, and No. C7 fuses in the under-hood fuse/relay box, No. E24 fuse in the passenger's under-dash fuse/relay box |
| D13 | 7. 5 A | DC-DC converter ACC relay cargo area accessory power socket relay, Console accessory power socket relay, Electric parking brake control unit, Front accessory power socket relay, TCM (with electric steering lock) |
| D14 | - - - | Not used |
| D15 | 20 A | Power seat control unit |
| D16 | 20 A | Moonroof control unit/motor |
| D17 | 20 A | Left rear power window switch |
| D18 | 10 A | Engine start/stop switch, Electric steering lock (with electric steering lock), Keyless access/TPMS control unit |
| D19 | 20 A | Power window master switch |
| D20 | - - - | Not used |
| D21 | 20 A | Fuel pump control module (via PGM-FI main relay 2), PCM |
| D22 | 15 A | No. E19, No. E20, and No. E21 fuses in the passenger's under-dash fuse/relay box |
| D23 | 7. 5 A | Electric steering lock (with electric steering lock), EPS control unit, Keyless access/TPMS control unit, Steering angle sensor |
| D24 | 7. 5 A | Brake pedal position switch, DC-DC converter IG1 relay 1, DC-DC converter IG1 relay 2, DC-DC converter |
| D25 | - - - | Not used |
| D26 | 7. 5 A | AC inverter unit (with AC inverter), A/C compressor clutch relay, A/C condenser fan relay (via A/C diode A), Automatic dimming inside mirror, Climate control switch, Climate control unit, Fan control relay (via A/C diode A), Front blower motor relay, Front seat heater relay, Heated steering wheel relay (with heated steering wheel), Heated windshield wiper area relay (with heated windshield wiper area), Power mirror switch (with MVCS), Power window master switch, Rear blower motor relay, Rear window defogger relay, Second row seat heater relay |
| D27 | 7. 5 A | Relay control module |
| D28 | 7. 5 A | Driver's MICU |
| D29 | 7. 5 A | Driver's power lumbar support switch |
| D30 | 7. 5 A | Door puddle lights (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)) (with puddle light), Driver's door courtesy light (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), Footwell lights (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), Front passenger's door courtesy light (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), Interior light cut relay circuit (built into the driver's under-dash fuse/relay box), Power tailgate inside switch (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), Rear door courtesy lights (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), Rear individual map lights (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), Roof console module (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), One-touch access switches (seat-back side) (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), One-touch access switches (seat cushion side) (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), Tailgate lights (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)), Vanity mirror lights (via interior light cut relay circuit (built into the driver's under-dash fuse/relay box)) |
| D31 | 20 A | Power tilt/telescopic steering control unit |
| D32 | 20 A | Power seat control unit |
| D33 | - - - | Not used |
| D34 | - - - | Not used |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.