Fuses and relays Acura MDX (YD2; 2007–2013)

Table of Contents

In this article, we will take a detailed look at the fuse diagrams for the Acura MDX (second generation; YD2): 2007, 2008, 2009, 2010, 2011, 2012, and 2013 model years.

Fuse No. 9 in the passenger compartment controls the cigarette lighter.
Fuse No. 19 in the passenger compartment controls the fuel pump.

Luggage Compartment


Located on the left side of the cargo area.


Fuse box overview.

Diagram
No. Relays
R1 Cargo Area Accessory Power Socket
R2 2007–2009: Super Handling-All Wheel Drive (SH-AWD)
R3 Rear Window Defogger
No. Fuses Amps
1 Option (Trailer Lighting Connector) 7.5 A
2 20 A
3 20 A
4 7.5 A
5 Cargo Area Accessory Power Socket 10 A
6 Power Tailgate Control Unit 20 A
7 2007–2009: Rear Multiplex Integrated Control Unit (MICU) 15 A
8
  • Tailgate (cargo area) lights
  • Inside tailgate switch
  • Rear Multiplex Integrated Control Unit (MICU)
 7.5 A
9 2007–2009: Super Handling-All Wheel Drive (SH-AWD) 30 A
10 Noise Reduction Condenser, Rear Window Defogger 30 A
11 Power Tailgate Control Unit 40 A
General arrangement of electronic control modules in the luggage compartment (Acura MDX Gen 2)
1 Electronic Compass Module (without Navigation)
2 Power Tailgate Actuator Module
3 AcuraLink Control Module (XM Receiver)
4 2010–2013: Blind Spot Information (BSI) Control Module
5 Active Damper Control Module
6 Fuse Box
7 Super Handling-All Wheel Drive (SH-AWD) Control Module
8 Fuel Pump Control Module
9 Fuse Box
10 Power Tailgate Control Unit

Engine Compartment


General arrangement of electronic modules in the engine compartment (Acura MDX Gen 2):
1. 2010–2013: Sub-Relay Box (Canadian Elite Package, U.S. Advance Package, and Advance Package with Entertainment only)
2. Powertrain Control Module (PCM)
3. Fuse Box No. 2
4. Fuse Box No. 1
5. Battery Sensor
6. VSA Modulator-Control Unit

Fuse Box No. 1


Located next to the battery. Press the tabs to open the cover.


Fuse box overview.

Diagram
No. Description Amps
1 Alternator, Fuse No. 3 in engine compartment Fuse Box No. 2 120 A
2-1 2010–2013: Active Damper Control Unit 30 A
2-2 2010–2013: Super Handling-All Wheel Drive (SH-AWD) Control Unit 30 A
2-3 Rear Blower Motor 30 A
2-4 VSA Modulator-Control Unit 40 A
2-5 Fuses No. 1, 2, 3, 4 in the luggage compartment 40 A
2-6 Fuses No. 12, 13, 14, 15, 16, 17 in the passenger compartment 40 A
2-7 Fuses No. 1, 2, 3, 4 in the passenger compartment 40 A
2-8 Not used -
3-1 Fuses No. 12, 13, 22 in engine compartment Fuse Box No. 2 60 A
3-2 Fuses No. 1, 2, 3, 4, 5, 6 in engine compartment Fuse Box No. 2 40 A
3-3 Fuses No. 14, 15, 16, 17 in engine compartment Fuse Box No. 2 60 A
3-4
  • Ignition Switch (BAT), Starter Solenoid, Starter Cut Relays No. 1 & No. 2
  • Fuse No. 33 in the passenger compartment
 50 A
3-5
  • Power Window Relay
  • Fuses No. 24, 25, 26, 27, 28 in the passenger compartment
 50 A
3-6 Fuses No. 5, 6, 7, 8, 9, 10, 11 in the luggage compartment 60 A
3-7 Fuses No. 7, 8, 9, 10, 11 in the passenger compartment 30 A
3-8 2010–2013: Engine Compartment Relay Box Fuse No. 1 30 A
4 Fuses No. 5, 6, 7, 8, 9 in the passenger compartment 40 A
5 2010–2013: E-Pretensioner Unit 30 A
6 30 A
7 Active Damper Control Unit 30 A
2010–2013: Powertrain Control Module (VBUM (Continental PCM)) 7.5 A
8 Audio Amplifier 30 A
9 Battery Sensor 7.5 A
10 Turn Signal / Hazard Relay, Hazard Warning Switch 15 A
11
  • Adaptive Cruise Control (ACC) Unit
  • High-Mount Brake Light
  • Noise Reduction Condenser (for High-Mount Brake Light)
  • Horn
  • Taillights
  • VSA Modulator-Control Unit, Horn Relay
  • Multiplex Integrated Control Unit (MICU)
  • PCM (Brake Pedal Position Switch)
 15 A
12 VSA Modulator-Control Unit 20 A
13 Trailer (Brake) 20 A
14 Left Second-Row Seat Heater and Switch Indicators, Right Second-Row Seat Heater and Switch Indicators 20 A
15 A/C Inverter Unit 20 A
16 Not used -
17 Not used -
18 Not used -
19 Not used -
20 Not used -

Fuse Box No. 2


Located on the passenger side. Press the tabs to open the cover.


Fuse box overview.

Diagram
No. Description Amps
R1 Fan Control
R2 A/C Compressor Clutch
R3 A/C Condenser Fan
R4 Radiator Fan
R5 Low-Beam Headlight
R6 Front Blower Motor
R7 Fog Light
R8 Interior Light
1 Left Daytime Running Light (DRL) 10 A
2 Right Daytime Running Light (DRL) 10 A
3 Left High-Beam Headlight, Headlight Leveling Control Unit 10 A
4 Right High-Beam Headlight 10 A
5 Front Parking Lights, Front Side Marker Lights, License Plate Lights, Taillights, Rear Side Marker Lights 7.5 A
6
  • Low-Beam Headlight Relay
  • Fuses No. 18, 19 in engine compartment Fuse Box No. 2
 30 A
7 PGM-FI Sub-Relay, Radiator Fan Relay, A/F Sensor Relay 7.5 A
8
  • Crankshaft Position (CKP) Sensor
  • Camshaft Position (CMP) Sensor
  • Fuel Injectors
  • Electronic Throttle Control System (ETCS) Control Relay
  • Powertrain Control Module (PCM (IGP)), PGM-FI Main Relay 1 (FI Main)
  • Ignition Coil Relay
  • Mass Air Flow (MAF) Sensor
  • PGM-FI Main Relay 2 (Fuel Pump)
 15 A
9 Ignition Coils 15 A
10 Electronic Throttle Control System (PCM) 15 A
11
  • Front Air-Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1)
  • Evaporative Emission Control (EVAP) Canister Vent Shut Valve
 15 A
  • Secondary Heated Oxygen Sensor (HO2S) (Bank 2, Sensor 2)
  • Rear Secondary Heated Oxygen Sensor (HO2S) (Bank 1, Sensor 2)
  • Rear Air-Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1)
12 Front Blower Motor 40 A
13 Fog Lights, Fog Light Relay 20 A
14 Headlight Washer Motor, Headlight Washer Relay (2010–2013) 30 A
15 A/C Condenser Fan Motor 30 A
16 Radiator Fan Motor, A/C Condenser Fan Motor 30 A
17 A/C Compressor Clutch 7.5 A
18 Left High Intensity Discharge (HID) Unit 15 A
19 Right High Intensity Discharge (HID) Unit, Headlight Washer Relay (2007–2009) 15 A
20 Active Damper System Switch Light, Ambient Lights (Roof Console), A/T Gear Position Indicator Light, Blind Spot Information (BSI) OFF Switch Light, Climate Control Unit, Dash Light Brightness Control Unit, Driver's Ambient Light, Driver's Seat Heater and Ventilation Switch Light, Front Passenger's Ambient Light, Front Passenger's Seat Heater and Ventilation Switch Light, Glove Box Light, Hazard Warning Switch Light, Headlight Washer Switch Light, Interior Light Relay, Left Second-Row Seat Heater Switch Light, Moonroof Switch Light, Power Mirror Switch Light, Rear Climate Control Panel, Rear Controller and Screen, Rear Individual Map Light Switch Lights, Rear Entertainment System (RES) Auxiliary Jack Light, Right Second-Row Seat Heater Switch Light, Roof Console Switch Light, Seat Ventilation Control Unit, Steering Wheel Switch Lights, VSA OFF Switch Light, VSA/BSI OFF Switch Light, Headphone Jack 7.5 A

Sub-Relay Box


Located on the passenger side (2010–2013 models: Canadian Elite Package, U.S. Advance Package, and Advance Package with Entertainment only).

Diagram
No. Description Amps
R1 Brake Light Relay (with Adaptive Cruise Control)
R2 Tech Relay
1 Adaptive Cruise Control (ACC) Module, Active Damper Control Module, Blind Spot Information (BSI), Driver's Seat Ventilation Switch Indicators, Front Passenger's Seat Ventilation Switch Indicators, E-Pretensioner Module, Left Blind Spot Information (BSI) Radar Unit, Millimeter Wave Radar Unit, Right Blind Spot Information (BSI) Radar Unit, Seat Ventilation Control Module 10 A
2 Not used -
3 Not used -
4 Not used -

Passenger Compartment

General layout of electronic components in the passenger compartment of the Acura MDX Gen 2:


1. Fuse Box;
2. Gauge Control Unit;
3. Combination Switch Control Module;
4. SRS Unit;
5. Power Tilt / Telescopic Steering Control Module.


1. Relay Box No. 1;
2. Relay Box No. 2;
3. Tire Pressure Monitoring System (TPMS) Module;
4. Navigation Display Unit / Center Information Display;
5. Relay Box No. 3;
6. 2010–2013: Adaptive Cruise Control (ACC) Module;
7. Headlight Leveling Control Module;
8. Climate Control Module;
9. Audio-Navigation Unit / Audio Module;
10. Immobilizer Keyless Control Module.


1. 2010–2013: E-Pretensioner Module;
2. Rear Climate Control Panel;
3. HandsFreeLink Control Unit;
4. 2007–2009: Rear Blower Motor Relay;
5. 2010–2013: Seat Ventilation Control Module;
6. 2007–2009: Rear Seat Heater Relay;
7. A/C Inverter Module

Passenger Compartment Fuse Box


Located under the dashboard on the driver's side. To remove the cover, place your finger in the notch, pull toward you, and lift it out.


Access illustration.


Fuse box overview.

Diagram
No. Description Amps
R1 Turn Signal / Hazard
R2 Not used
R3 Not used
R4 Accessory Power Socket
R5 PGM-FI Main Relay (Acura MDX Fuel Pump Relay)
R6 Power Window
R7 Front Seat Heater
R8 Not used
1 Tire Pressure Monitoring System (TPMS) Control Unit 7.5 A
2 Driver's Lumbar Support Motor 10 A
3 2007: Moonroof Control Unit/Motor 10 A
2008–2013: Moonroof Control Unit/Motor 15 A
4 Driver's Seat Cushion Blower Motor, Driver's Seat Heater, Driver's Seat Heater Switch Indicators, Driver's Seat-Back Blower Motor 20 A
Front Passenger's Seat Cushion Blower Motor, Front Passenger's Seat-Back Blower Motor, Front Passenger's Seat Heater, Front Passenger's Seat Heater Switch Indicators
5 AcuraLink Control Unit (XM Receiver), Audio Unit, Audio-Navigation Unit, HandsFreeLink Control Unit, XM Receiver 10 A
6 Driver's Footwell Light and Vanity Mirror Light, Front Individual Map Lights, Front Passenger's Footwell Light, Passenger's Vanity Mirror Light, Ignition Key Light, Left Rear Door Courtesy Light, Moonroof Control Unit/Motor, Rear Individual Map Light (2nd row), Rear Individual Map Light (3rd row), Right Rear Door Courtesy Light, Cargo Area Light 7.5 A
7 Adaptive Cruise Control (ACC) Unit, Climate Control Unit, Combination Switch Control Unit, Data Link Connector (DLC), Center Information Display, Driver's MPCS Unit, Gauge Control Unit, Immobilizer-Keyless Control Module, Multiplex Integrated Control Unit (MICU (Voltage Backup / VBU)), Navigation Display Unit, Front Passenger's MPCS Unit, HFL/Navigation Microphone, Power Tilt/Telescopic Steering Control Unit, Rear Controller and Screen, Relay Control Unit, Rear Multiplex Integrated Control Unit (MICU), Power Tailgate Control Module, Power Seat Control Module 10 A
8 Door Lock (Multiplex Integrated Control Unit (MICU)) 20 A
9
  • Front Accessory Power Socket
  • Rear Accessory Power Socket
  • Cigarette Lighter
 15 A
10 PCM (VBSOL) 15 A
11 2007–2009:
  • Windshield Wiper Motor
  • Wiper/Washer Control Circuit
  • Evaporative Emission Control (EVAP) Canister Vent Shut Valve
  • Front Air-Fuel Ratio (A/F) Sensor
  • Front Secondary Heated Oxygen Sensor (HO2S)
  • Rear Air-Fuel Ratio (A/F) Sensor
  • Rear Secondary Heated Oxygen Sensor (HO2S)
 30 A
2010–2013: Windshield Wiper Motor 30 A
12 Subwoofer 10 A
13 Front Passenger's Power Seat Motor (Recline, Rear Up-Down) 20 A
14 Driver's Power Seat Motor (Slide, Front Up-Down) 20 A
15 Power Tilt/Telescopic Steering Control Unit 20 A
16 Driver's Power Seat Motor (Recline, Rear Up-Down) 20 A
17 Front Passenger's Power Seat Motor (Slide, Front Up-Down) 20 A
18 Alternator, Electrical Load Detector (ELD), Engine Mount Control Solenoid Valve, Evaporative Emission Control (EVAP) Canister Purge Valve, PCM (VBSOL), PCM (Brake Pedal Position Switch), Air-Fuel Ratio (A/F) Sensor 10 A
19 2007–2009: Fuel Pump, Immobilizer-Keyless Control Unit, Powertrain Control Module (PCM), PGM-FI Main Relay 2 (Fuel Pump) 20 A
2010–2013: PCM (IG1), Fuel Pump Control Module, Immobilizer-Keyless Control Unit 20 A
20 2007–2009: Active Damper System, Brake Light Relay, Hazard Warning Switch, Occupant Detection System (ODS) Unit, Super Handling-All Wheel Drive (SH-AWD) System, Supplemental Restraint System (SRS) 7.5 A
2010–2013: Fuses No. 35, 37, 39 10 A
21 AcuraLink Control Unit (XM Receiver), Active Damper Control Unit, Active Damper System Switch, Back-Up Lights, Brake Light Relay, Center Information Display, Combination Switch Control Unit, Driver's MPCS Unit, Electronic Compass Unit, Gauge Control Module, Multiplex Integrated Control Unit (MICU), Power Seat Control Unit, Power Tailgate Control Unit, Power Tilt/Telescopic Steering Control Unit, Rear Controller and Screen, Rear Multiplex Integrated Control Unit (MICU), Relay Control Module, Shift Lock Solenoid, TECH Relay, Tire Pressure Monitoring System (TPMS) Control Unit, Automatic Dimming Inside Mirror 7.5 A
22 Supplemental Restraint System (SRS) Unit 10 A
23 Not used -
24 Left Rear Power Window Motor 20 A
25 Right Rear Power Window Motor 20 A
26 Passenger's Power Window Motor (Front Passenger's MPCS Unit) 30 A
27 Driver's Power Window Motor (Driver's MPCS Unit) 30 A
28 Power Tilt/Telescopic Steering Control Unit 20 A
29 Steering Angle Sensor, VSA Modulator-Control Unit, Yaw Rate / Lateral / Longitudinal Acceleration Sensor 10 A
30 A/C Inverter Unit, Automatic Dimming Inside Mirror, A/C Compressor Clutch Relay, A/C Condenser Fan Relay, Climate Control Unit, Fan Control Relay, Front Blower Motor Relay, Front Seat Heater Relay, Multiplex Integrated Control Unit (MICU), Optional Trailer Connector, Rear Blower Motor Relay, Rear Climate Control Panel, Rear Mode Control Motor, Rear Window Defogger Relay, Rearview 10 A
Mirror with Rearview Camera Display, Second-Row Seat Heater Relay
31 Headlight Leveling Control Unit, Rear Multiplex Integrated Control Unit (MICU) (IG1 Washer), Rear Window Washer Motor Relay Circuit, Windshield Washer Motor Relay Circuit, Windshield Wiper Intermittent Relay Circuit, Windshield Wiper Motor Relay 15 A
Circuit, Windshield/Rear Window Washer Motor (Front/Rear Washer)
32 2007–2009: Accessory Power Socket Relay, AcuraLink Control Unit (XM Receiver), Audio Unit, Climate Control Unit, Ignition Key Switch, Center Information Display Unit, Interface Dial, Multiplex Integrated Control Unit (MICU), Navigation System, XM Receiver 15 A
2010–2013: Accessory Power Socket Relay, AcuraLink Control System (XM Receiver), Audio Unit, Climate Control System, Key Interlock Solenoid, HFL/Navigation Microphone, Interface Dial, Multiplex Integrated Control Unit (MICU (ACC)), HandsFreeLink System, Audio-Navigation System, Navigation Display Module 10 A
33 Not used -
34 Powertrain Control Module (STRLD), Starter Cut Relay 7.5 A
35 2007–2009: Starter Switch Signal (STS), Ignition Switch 7.5 A
2010–2013: Super Handling-All Wheel Drive (SH-AWD) System 7.5 A
36 2010–2013: Starter Switch Signal (STS), Ignition Switch 7.5 A
37 2010–2013: Occupant Detection System (ODS), Passenger's Airbag Cutoff Indicator, Supplemental Restraint System (SRS) 7.5 A
38 2010–2013: Starter Switch Signal (STS), Ignition Switch 7.5 A
39 2010–2013: Occupant Detection System (ODS), Passenger's Airbag Cutoff Indicator, Supplemental Restraint System (SRS) 7.5 A

Sub-Relay Boxes

There are three additional relay blocks in the cabin.

No. Description
Relay Block No. 1
R1 Not used
R2 2010–2013: Super Handling-All Wheel Drive (SH-AWD)
R3 ACC CUT
R4 IG2 CUT
Relay Block No. 2
R1 2010–2013: Second-Row Seat Heater
R2 2010–2013: Rear Blower Motor
2007–2009: Brake Light
R3 Starter Cut
R4
Relay Block No. 3
R1 2010: Brake Light
2011–2013: Headlight Washer
R2 2007–2010: Headlight Washer
2011–2013: Brake Light
See also:
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