Table of Contents
This article provides a detailed overview of the fuse box diagrams for the second-generation Acura RDX (TB3/TB4), covering the 2012, 2013, 2014, 2015, 2016, 2017, and 2018 model years.
Fuses No. 12 and No. 27 in the passenger compartment fuse box protect the accessory power sockets (cigarette lighter).
Fuse No. 4 in the passenger compartment fuse box protects the fuel pump.
Passenger Compartment Fuse Box
The interior fuse box is located under the driver's side of the dashboard.
Example of fuse box access.
General overview of the fuse block.
2016–2018 Model Years
Passenger compartment fuse box diagram for the 2016, 2017, and 2018 Acura RDX.
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| No. | Rating (A) | Description |
| 1 | — | Not Used |
| 2 | 15 | Alternator (ACG) |
| 3 | 7.5 | Occupant Detection System (ODS) |
| 4 | 15 | Fuel Pump |
| 5 | 7.5 | Instrument Cluster (Meter) |
| 6 | 10 | Rear Wiper Control Unit |
| 7 | 10 | Valve Body Solenoid (VB SOL) |
| 8 | 15 | Front Right Door Lock Motor (Unlock) |
| 9 | 15 | Rear Left Door |
| 9 | 15 | Lock Motor (Unlock) |
| 10 | 7.5 | Power Lumbar Support |
| 11 | 20 | Moonroof Control Unit |
| 12 | 20 | Accessory Power Socket / Cigarette Lighter (Center Console) |
| 13 | 15 | Windshield Washer Main |
| 14 | 20 | Seat Heater Control Unit |
| 15 | 10 | Driver's Door Lock Motor (Unlock) |
| 16 | 20 | Driver's Power Seat (Slide) |
| 17 | 20 | Driver's Power Seat (Recline) |
| 18 | 20 | Passenger's Power Seat (Slide) |
| 19 | 7.5 | Accessory (ACC) Control Unit |
| 20 | 7.5 | Accessory (ACC) Key Lock |
| 21 | 7.5 | Daytime Running Lights (DRL) |
| 22 | 7.5 | Air Conditioning (A/C) |
| 23 | 10 | Option (Accessory) |
| 24 | 7.5 | ABS/VSA System |
| 25 | 10 | Intelligent Driving Assist System (IDAS) |
| 26 | 20 | Audio Amplifier (Models without Navigation System) |
| 26 | 30 | Audio Amplifier (Models with Navigation System) |
| 27 | 20 | Accessory Power Socket / Cigarette Lighter (Front) |
| 28 | - | Not Used |
| 29 | 10 | Supplemental Restraint System (SRS) |
| 30 | 10 | Driver's Door Lock Motor (Lock) |
| 31 | 10 | Smart Entry System |
| 32 | 15 | Front Right Door Lock Motor (Lock) |
| 33 | 15 | Rear Left Door Lock Motor (Lock) |
| 34 | 7.5 | Small Lights (Exterior Illumination) |
| 35 | 7.5 | Interior Illumination |
| 36 | 10 | Rear Wiper Main |
| 37 | 20 | Passenger's Power Seat (Recline) |
| 38 | 10 | Left Headlight (High Beam) |
| 39 | 10 | Right Headlight (High Beam) |
| 40 | - | Not Used |
| 41 | 20 | Door Lock Main |
| 42 | 20 | Driver's Power Window |
| 43 | 20 | Rear Right Power Window |
| 44 | 20 | Front Right Power Window |
| 45 | 20 | Rear Left Power Window |
| 46 | 30 | Windshield Wipers |
2012–2015 Model Years
Passenger compartment fuse box diagram for the 2012, 2013, 2014, and 2015 Acura RDX.
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| No. | Rating (A) | Description |
| 1 | - | Not Used |
| 2 | 15 | Alternator (ACG) |
| 3 | 10 | Supplemental Restraint System (SRS) |
| 4 | 15 | Fuel Pump |
| 5 | 7.5 | Instrument Cluster (Meter) |
| 6 | 7.5 | Option (Accessory) |
| 7 | 10 | Valve Body Solenoid (VB SOL) |
| 8 | 15 | Front Right Door Lock Motor (Unlock) |
| 9 | 15 | Rear Left Door |
| 9 | 15 | Lock Motor (Unlock) |
| 10 | 7.5 | Power Lumbar Support |
| 11 | 20 | Moonroof Control Unit |
| 12 | 15 | Accessory Power Socket / Cigarette Lighter (Center Console) |
| 13 | 15 | Windshield Washer Main |
| 14 | 15 | Seat Heater Control Unit |
| 15 | 10 | Driver's Door Lock Motor (Unlock) |
| 16 | - | Not Used |
| 17 | - | Not Used |
| 18 | - | Not Used |
| 19 | 7.5 | Accessory (ACC) Control Unit |
| 20 | 7.5 | Accessory (ACC) Key Lock |
| 21 | 7.5 | Daytime Running Lights (DRL) |
| 22 | 7.5 | Air Conditioning (A/C) |
| 23 | 10 | Rear Wiper |
| 24 | 7.5 | ABS/VSA Control Unit |
| 25 | - | Not Used |
| 26 | 20 | Audio Amplifier |
| 27 | 15 | Accessory Power Socket / Cigarette Lighter (Front) |
| 28 | - | Not Used |
| 29 | 7.5 | Occupant Detection System (ODS) |
| 30 | 10 | Driver's Door Lock Motor (Lock) |
| 31 | 10 | Smart Entry System |
| 32 | 15 | Front Right Door Lock Motor (Lock) |
| 33 | 15 | Rear Left Door Lock Motor (Lock) |
| 34 | 7.5 | Small Lights (Exterior Illumination) |
| 35 | 7.5 | Interior Illumination |
| 36 | 10 | Rear Wiper Main |
| 37 | - | Not Used |
| 38 | 10 | Left Headlight (High Beam) |
| 39 | 10 | Right Headlight (High Beam) |
| 40 | 7.5 | Tire Pressure Monitoring System (TPMS) |
| 41 | 20 | Door Lock Main |
| 42 | 20 | Driver's Power Window |
| 43 | 20 | Rear Right Power Window |
| 44 | 20 | Front Right Power Window |
| 45 | 20 | Rear Left Power Window |
| 46 | 30 | Windshield Wipers |
Engine Compartment Fuse Box
The engine compartment fuse box is located near the brake fluid reservoir. Press the retaining tabs to remove the cover and access the fuse block.
Example of fuse box access.
2016–2018 Model Years
Engine compartment fuse box diagram for the 2016, 2017, and 2018 Acura RDX.
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| No. | Rating (A) | Description |
| 1-1 | 70 | Electronic Power Steering (EPS) Control Unit |
| 1-2 | 40 | Power Tailgate Motor |
| 1-3 | 20 | ABS/VSA Failsafe Relay (FSR) |
| 1-4 | 40 | ABS/VSA Motor |
| 1-5 | 30 | Electronic Dual Pump System (E-DPS) |
| 1-6 | 120 | Main Fuse |
| 1-7 | 50 | Not Used |
| 2-1 | 60 | Main Fuse Box 1 |
| 2-2 | 60 | Main Fuse Box 2 |
| 2-3 | 50 | Ignition (IG) Main |
| 2-4 | 30 | Headlight Washer (If Equipped) |
| 2-5 | 30 | Condenser Sub-Fan Motor |
| 2-6 | 40 | Rear Window Defogger |
| 2-7 | 30 | Radiator Main Fan Motor |
| 2-8 | 30 | Headlight Main |
| 2-9 | 40 | HVAC Blower Motor |
| 3-1 | 40 | Starter Cut 1 (ST CUT 1) |
| 3-2 | 30 | Ignition (IG) Main 1 |
| 3-3 | 40 | Sub Fuse Main |
| 3-4 | 30 | Ignition (IG) Main 2 |
| 4 | 20 | Rear Seat Heaters (If Equipped) |
| 5 | 7.5 | Steering (STR) Diagnosis |
| 6 | 15 | Audio (ODMD) (If Equipped) |
| 7 | - | Not Used |
| 8 | - | Not Used |
| 9 | - | Not Used |
| 10 | - | Not Used |
| 11 | 7.5 | Engine Oil Level Sensor |
| 12 | 20 | Fog Lights (If Equipped) |
| 13 | 20 | Power Tailgate Closer |
| 14 | 10 | Hazard Warning Lights |
| 15 | 15 | Ignition Power 2 (IGP 2) |
| 16 | 15 | Ignition Coils |
| 17 | 10 | Stop Lights (Brake Lights) |
| 18 | 10 | Horn |
| 19 | 20 | Active Control Engine Mount (ACM) |
| 20 | 15 | Right Headlight (Low Beam) |
| 21 | 7.5 | A/C Magnetic Clutch (MG Clutch) |
| 22 | 15 | Drive-by-Wire (DBW) |
| 23 | 15 | Left Headlight (Low Beam) |
| 24 | 10 | Daytime Running Lights (DRL) |
| 25 | 15 | Fuel Injection (FI) Main |
| 26 | 20 | Trailer Control Unit |
| 27 | 20 | Small Lights (Exterior Illumination) |
| 28 | 7.5 | Interior Illumination |
| 29 | 10 | Back-Up (Constant Power / Memory) |
2012–2015 Model Years
Engine compartment fuse box diagram for the 2012, 2013, 2014, and 2015 Acura RDX.
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| No. | Rating (A) | Description |
| 1-1 | 70 | Electronic Power Steering (EPS) System |
| 1-2 | 40 | Power Tailgate Motor (If Equipped) |
| 1-3 | 20 | ABS/VSA Failsafe Relay (FSR) |
| 1-4 | 40 | ABS/VSA Motor |
| 1-5 | 30 | Electronic Dual Pump System (E-DPS) Control Unit |
| 1-6 | 120 | Main Fuse |
| 2-1 | 50 | Starter Cut (ST CUT) |
| 2-2 | 60 | Main Fuse Box 1 |
| 2-3 | 60 | Main Fuse Box 2 |
| 2-4 | 50 | Ignition (IG) Main |
| 2-5 | 30 | Headlight Washer / Condenser Sub-Fan Motor |
| 2-6 | 40 | Rear Window Defogger |
| 2-7 | 30 | Radiator Main Fan Motor |
| 2-8 | 30 | Headlight Main |
| 2-9 | 40 | HVAC Blower Motor |
| 3-1 | 20 | Driver's Power Seat (Slide) |
| 3-2 | 20 | Driver's Power Seat (Recline) |
| 3-3 | 20 | Passenger's Power Seat (Slide) |
| 3-4 | 20 | Passenger's Power Seat (Recline) |
| 4 | - | Not Used |
| 5 | 7.5 | Steering (STR) Diagnosis |
| 6 | - | Not Used |
| 7 | - | Not Used |
| 8 | Not Used | |
| 9 | - | Not Used |
| 10 | - | Not Used |
| 11 | 7.5 | Engine Oil Level Sensor |
| 12 | 20 | Fog Lights (If Equipped) |
| 13 | 20 | Power Tailgate Closer (If Equipped) |
| 14 | 10 | Hazard Warning Lights |
| 15 | 15 | Ignition Power 2 (IGP 2) |
| 16 | 15 | Ignition Coils |
| 17 | 10 | Stop Lights (Brake Lights) |
| 18 | 10 | Horn |
| 19 | 10 | Active Control Engine Mount (ACM) |
| 20 | 10 | Right Headlight Low Beam (Models with Halogen Headlights) |
| 20 | 15 | Right Headlight Low Beam (Models with HID Headlights) |
| 21 | 7.5 | A/C Magnetic Clutch |
| 22 | 15 | Drive-by-Wire (DBW) |
| 23 | 10 | Left Headlight Low Beam (Models with Halogen Headlights) |
| 23 | 15 | Left Headlight Low Beam (Models with HID Headlights) |
| 24 | 10 | Accessory (ACC) |
| 25 | 15 | Fuel Injection (FI) Main |
| 26 | 20 | Trailer Control Unit |
| 27 | 20 | Small Lights (Exterior Illumination) |
| 28 | 7.5 | Interior Illumination |
| 29 | 10 | Back-Up (Constant Power / Memory) |