
Acura MDX 2018 Fuse Box Info
Passenger compartment fuse box location:

The interior fuse box A is located under the dashboard on the driver’s side. The interior fuse box B is located under the A fuse box, on the side panel on the driver’s side (Not available on all models). The interior fuse box C is on the lower side panel on the passenger’s side.
Engine compartment fuse box location:

Luggage compartment fuse box location:

The rear fuse box is located at the left side of cargo area.
Fuse Box Diagram | Layout
Passenger compartment fuse box A:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 10A | AS Door Lock | 
| 2 | 7.5A | RR AS Door Lock | 
| 3 | 7.5A | DR Door Lock | 
| 4 | 10A | FR AS Door Unlock | 
| 5 | 7.5A | RR AS Door Unlock | 
| 6 | 7.5A | DR Door Unlock | 
| 7 | 20A | D/L Main | 
| 8 | - | - | 
| 9 | 20A | ETS TELE | 
| 10 | 15A | IG1 RR | 
| 11 | 7.5A | 
 Meter* Shifter *  | 
| 12 | 20A | IG1 FR | 
| 13 | 7.5A | ACC | 
| 14 | - | - | 
| 15 | 20A | DR P/Seat (SLI) | 
| 16 | 20A | S/R | 
| 17 | 20A | RR DR P/W | 
| 18 | 10A | Smart | 
| 19 | 20A | FR DR P/W | 
| 20 | - | - | 
| 21 | 20A | Fuel Pump | 
| 22 | 15A | IG1 AS | 
| 23 | 7.5A | 
 ABS/VSA* Smart*  | 
| 24 | 7.5A | ACG AS | 
| 25 | 7.5A | STRLD* | 
| 26 | 7.5A | IG2 HAC | 
| 27 | (7.5A) | DRL | 
| 28 | 7.5A | ACC Key Lock | 
| 29 | 7.5A | DR P/Seat (LUM) | 
| 30 | 7.5A | INT Lights | 
| 31 | 20A | ETS TILT | 
| 32 | 20A | DR P/Seat (REC) | 
| 33 | - | - | 
| 34 | - | - | 
* Not available on all models
Passenger compartment fuse box B:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 30A | VST 1 | 
| 2 | 10A | Horn | 
| 3 | 30A | VST 2 | 
| 4 | - | - | 
| 5 | - | - | 
| 6 | - | - | 
| 7 | - | - | 
| 8 | - | - | 
| 9 | 10A | Meter | 
| 10 | 10A | RES/CP/AA* | 
| 11 | 7.5A | MICU | 
| 12 | 7.5A | EPS/VSA | 
| 13 | 7.5A | Audio/TCU | 
| 14 | 10A | Back Up | 
| 15 | 20A | Audio/ANC | 
* Not available on all models
Passenger compartment fuse box C:
| Fuse/Relay N° | Rating | Functions | 
| 1 | (30A) | EPTR* | 
| 2 | 20A | RR AS P/W | 
| 3 | 20A | ACM | 
| 4 | (15A) | FR DEF* | 
| 5 | 20A | AVS Heated Seat | 
| 6 | 20A | FR AS P/W | 
| 7 | 20A | AS P/Seat (SLI) | 
| 8 | 20A | AS P/Seat (REC) | 
| 9 | (7.5A) | AS P/Seat (LUM) | 
| 10 | 5A | Spare | 
| 11 | (10A) | Heated Steering* | 
| 12 | - | - | 
| 13 | - | - | 
| 14 | 20A | RR ACC Socket | 
| 15 | 20A | FR ACC Socket | 
| 16 | - | - | 
| 17 | - | - | 
| 18 | 30A | AMP | 
| 19 | 10A | SRS | 
| 20 | 7.5A | AS ECU | 
| 21 | 7.5A | Option | 
| 22 | - | - | 
| 23 | - | - | 
| 24 | 7.5A | OPDS | 
| 25 | 5A | ILLUMI (INT) | 
| 26 | (30A) | EPTL* | 
| 27 | 20A | CTR ACC Socket | 
| 28 | (30A) | AC INVTR | 
* Not available on all models
Engine compartment fuse box A:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 7.5A | STRLD*2 | 
| 2 | - | - | 
| 3 | 15A | ACG FR | 
| 4 | 15A | Washer | 
| 5 | (7.5A) | IG1 OP*1 | 
| 6 | 7.5A | ECU FR | 
| 7 | 
 (10A) 7.5A  | 
 VBSOL*1 Starter*2  | 
| 8 | 15A | FI Sub | 
| 9 | 15A | DBW | 
| 10 | 15A | FI Main | 
| 11 | 15A | IG Coil | 
| 12 | 10A | DRL R | 
| 13 | 10A | DRL L | 
| 14 | 20A | Injector | 
| 15 | 20A | Radio*1 | 
| 16 | 10A | Back Up | 
| 17 | 7.5A | MG Clutch | 
| 18 | (20A) | FR Fog* | 
| 19 | - | - | 
| 20 | 7.5A | H/L HI R | 
| 21 | - | - | 
| 22 | 10A | Small*1 | 
| 23 | - | - | 
| 24 | 7.5A | H/L HI L | 
| 25 | 15A | SBW | 
| 26 | 10A | H/L LO R | 
| 27 | 10A | H/L LO L | 
| 28 | 7.5A | Oil LVL | 
| 29 | 30A | Main Fan | 
| 30 | 30A | Sub Fan | 
| 31 | 30A | Wiper Main | 
*1: Models without Auto Idle Stop
*2: Models with Auto Idle Stop
Engine compartment fuse box B:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 150A | Main Fuse | 
| 2 | 
 40A 20A 30A 30A 60A 60A 60A 60A  | 
 VSA MTR VSA FSR Stop&Horn Hazard* / Hazard* RR BLOWER&BMS DC/DC 3* RR F/B-2 AS F/B-2 EPS  | 
| 3 | 
 (30A) 30A 60A 50A 50A 60A 30A 50A  | 
 H/L Washer* IG1B Main R/B Main DR F/B 1 AS F/B 1 RR F/B-1 IG1A Main DR F/B 2  | 
| 4 | 40A | FI Main | 
| 5 | 40A | FR Blower | 
| 6 | 40A | RR DEF | 
| 7 | 30A | IG1 Main ST | 
| 8 | 20A | 
 Stop & Horn* Stop*  | 
| 9 | 15A | Hazard | 
| 10 | 7.5A | BMS | 
| 11 | 7.5A | Small LT* | 
* Not available on all models
Engine compartment fuse box C (Located near the + terminal on the battery):
| Fuse/Relay N° | Rating | Functions | 
| 60A | Fan Main | 
Luggage compartment fuse box:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 20A | PTG Closer | 
| 2 | - | - | 
| 3 | 15A | USB CHARGE | 
| 4 | 7.5A | Fuel Lid | 
| 5 | 20A | Seat Slide | 
| 6 | - | - | 
| 7 | (20A) | RR Heat Seat* | 
| 8 | - | - | 
| 9 | - | - | 
| 10 | - | - | 
| 11 | - | - | 
| 12 | 10A | Rear Wiper | 
| 13 | 7.5A | Rear ECU | 
| 14 | (20A) | SH-AWD* | 
| 15 | 30A | EPB-R | 
| 16 | 30A | EPB-L | 
| 17 | - | - | 
| 18 | 40A | PTG MTR | 
* Not available on all models





