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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSACURA2018MDX 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) (2017)REAR FUSE/RELAY BOX (F)
2018 Acura MDX Base
Rear Fuse/Relay Box (F)
2018 Acura MDX BaseSECTION Rear Fuse/Relay Box (F)
Rear Fuse/Relay Box (F) Legend
| Fuse Number | Amps | Component(s) or Circuit(s) Protected |
|---|---|---|
| F1 | 20 A | Power tailgate control unit |
| F2 | - - - | Not used |
| F3 | 15 A | USB charger unit A, USB charger unit B (with bench type second row seat), USB charger unit C (with captain type second row seat), USB charger unit D (with captain type second row seat) |
| F4 | 7. 5 A | Fuel fill door opener relay circuit (built into the rear fuse/relay box), Fuel fill door opener solenoid (via fuel fill door opener relay circuit (built into the rear fuse/relay box)) |
| F5 | 20 A | Left one-touch access actuator (via second row with one-touch access relay circuit (built into the rear fuse/relay box)), Right one-touch access actuator (via second row with one-touch access relay circuit (built into the rear fuse/relay box)), Second row with one-touch access relay circuit (built into the rear fuse/relay box) |
| F6 | - - - | Not used |
| F7 | 20 A | Second row seat heater control unit (via second row seat heater relay) (with second row seat heater) |
| F8 | - - - | Not used |
| F9 | - - - | Not used |
| F10 | - - - | Not used |
| F11 | - - - | Not used |
| F12 | 10 A | Rear window wiper motor (via rear window wiper motor relay circuit (built into the rear fuse/relay box)), Rear window wiper motor relay circuit (built into the rear fuse/relay box) |
| F13 | 7. 5 A | Electric parking brake control unit, Power tailgate control unit, Rear MICU |
| F14 | 20 A | SH-AWD control unit (via SH-AWD relay) (with SH-AWD) SH-AWD control unit (with SH-AWD), SH-AWD relay (with SH-AWD), Rear differential pump motor (with SH-AWD) |
| F15 | 30 A | Electric parking brake control unit |
| F16 | 30 A | Electric parking brake control unit |
| F17 | 20 A | Not used (for trailer) |
| F18 | 40 A | Power tailgate control unit |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.