Acura MDX (YD2; 2007-2013) Fuse Diagram

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Fuse box diagram (layout, function, assignment) in the cabin, engine compartment and trunk of Acura MDX (YD2; 2007, 2008, 2009, 2010, 2011, 2012, 2013).

Acura MDX (YD2; 2007-2013)

Checking and Replacing Fuses

If something electrical in your vehicle stops working, the first thing you should check for is a blown fuse. Determine from the chart, or the diagram on the fuse box lid, which fuse or fuses control that device. Check those fuses first, but check all the fuses before deciding that a blown fuse is the cause. Replace any blown fuses, and check if the device works.

  1. Turn the ignition switch to the LOCK (0) position. Make sure the headlights and all other accessories are off.
  2. Remove the cover from the fuse box.
  3. Check each of the large fuses in the primary under-hood fuse box by looking through the top at the wire inside. Removing these fuses requires a Phillips-head screwdriver.
  4. Check the smaller fuses in the under-hood fuse boxes and rear fuse box, and all the fuses in the interior fuse box by pulling out each one with the fuse puller provided in the primary underhood fuse box.
  5. Look for a burned wire inside the fuse. If it is burned out, replace it with one of the spare fuses of the same rating or lower.
    If you cannot drive the vehicle without fixing the problem, and you do not have a spare fuse, take a fuse of the same rating or a lower rating from one of the other circuits. Make sure you can do without that circuit temporarily (such as the accessory power socket or radio). If you replace the blown fuse with a spare fuse that has a lower rating, it might blow out again. This does not indicate anything wrong. Replace the fuse with one of the correct rating as soon as you can.
  6. If the replacement fuse of the same rating blows in a short time, there is probably a serious electrical problem with your vehicle. Leave the blown fuse in that circuit, and have your vehicle checked by a qualified technician.
Note

Replacing a fuse with one that has a higher rating greatly increases the chances of damaging the electrical system. If you do not have a replacement fuse with the proper rating for the circuit, install one with a lower rating.

Passenger Compartment

Passenger Compartment Overview 1

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

Passenger Compartment Overview 2

  1. Relay Box №1
  2. Relay Box №2
  3. Tire Pressure Monitoring System (TPMS) Control Unit
  4. Navigation Display Unit / Center Information Display
  5. Relay Box №3
  6. 2010-2012: Adaptive Cruise Control (ACC) Unit
  7. Headlight Leveling Control Unit
  8. Climate Control Unit
  9. Audio Navigation Unit / Audio Unit
  10. Immobilizer Keyless Control Unit

Passenger Compartment Overview 3

  1. 2010-2012: E-Pretensioner Unit
  2. Rear Climate Control Panel
  3. Handsfreelink Control Unit
  4. 2007-2009: Rear Blower Motor Relay
  5. 2010-2012: Seat Ventilation Control Unit
  6. 2007-2009: Rear Seat Heater Relay
  7. AC Inverter Unit

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Passenger Compartment Fuse Box Diagram

The interior fuse box is underneath the dashboard on the driver’s side. To remove the fuse box lid, put your finger in the notch on the lid, pull it toward you, and take it out of its hinges.Location of fuses in the passenger compartment Passenger Compartment Fuse Box Diagram

№AProtected Component
17.5Tire Pressure Monitoring System (TPMS) Control Unit
210Driver's Lumbar Support Motor
3102007: Moonroof Control Unit/Motor
152008-2012: Moonroof Control Unit/Motor
420Driver's Seat Cushion Blower Motor, Driver's Seat Heater, Driver's Seat Heater Switch Indicators, Driver's Seat-back Blower Motor, 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
510AcuraLink Control Unit (XM Receiver), Audio Unit, Audio-Navigation Unit, HandsFreeLink Control Unit, XM Receiver
67.5Driver's Footwell Light, Driver's 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), Rear Individual Map Light (3rd), Right Rear Door Courtesy Light, Cargo Area Light
710Adaptive Cruise Control (ACC) Unit, Climate Control Unit, Combination Switch Control Unit, Data Link Connector (DLC), Center Information Display, Driver's MPCS Unit, Gauge Control Module, Immobilizer-keyless Control Unit, Multiplex Integrated Control Unit (MICU (Voltage Back Up (VBU)), Navigation Display Unit, Front Passenger's MPCS Unit, HFL-navigation Microphone, Power Tilt/telescopic Steering Control Unit, Rear Controller and Screen, Relay Control Module, Rear Multiplex Integrated Control Unit (MICU), Power Tailgate Control Unit, Power Seat Control Unit
820Door Lock (Multiplex Integrated Control Unit (MICU))
915Front Accessory Power Socket, Rear Accessory Power Socket
1015PCM (VBSOL)
11302007-2009: Windshield Wiper Motor, Wiper/Washer Control Circuit, Evaporative Emission Control (EVAP) Canister Vent Shut Valve, Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1), Front Secondary Heated Oxygen Sensor (HO2S) (Bank 2, Sensor 2), Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1), Rear Secondary Heated Oxygen Sensor (HO2S) (Bank 1, Sensor 2)
302010-2012: Windshield Wiper Motor, Windshield Wiper Motor
1210Subwoofer
1320Front Passenger's Power Seat Motor (Recline, Rear Up-Down)
1420Driver's Power Seat Motor (Slide, Front Up-Down)
1520Power Tilt/Telescopic Steering Control Unit
1620Driver's Power Seat Motor (Recline, Rear Up-Down)
1720Front Passenger's Power Seat Motor (Slide, Front Up-Down)
1810Alternator, 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
19202007-2009: Fuel Pump, Immobilizer-Keyless Control Unit, Powertrain Control Module (PCM), PGM-FI Main Relay 2 (Fuel Pump)
202010-2012: PCM (IG1), Fuel Pump Control Module, Immobilizer-keyless Control Unit
207.52007-2009: Active Damper Control Unit, Brake Light Relay, Hazard Warning Switch, Occupant Detection System (ODS) Unit, Super Handling-All Wheel Drive (SH-AWD) Control Unit, Supplemental Restraint System (SRS) Unit
102010-2012: Fuse: №35, 37, 39
217.5AcuraLink 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, Electrical 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
2210Supplemental Restraint System (SRS) unit
23- -
2420Left Rear Power Window Motor
2520Right Rear Power Window Motor
2630Passenger’s Power Window Motor (Front Passenger's MPCS Unit)
2730Driver’s Power Window Motor (Driver's MPCS Unit)
2820Power Tilt/Telescopic Steering Control Unit
2910Steering Angle Sensor, VSA Modulator-control Unit, Yaw Ratelateral/Longitudinal Acceleration Sensor
3010AC 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 Mirror with Rearview Camera Display, Second Row Seat Heater Relay
3115Headlight 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 Circuit, Windshield/Rear Window Washer Motor (Front/Rear Washer)
32152007-2009: 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 Unit, XM Receiver
102010-2012: Accessory Power Socket Relay, AcuraLink Control Unit (XM Receiver), Audio Unit, Climate Control Unit, Key Interlock Solenoid, HFL-Navigation Microphone, Interface Dial, Multiplex Integrated Control Unit (MICU (ACC)), HandsFreeLink Control Unit, Audio-Navigation Unit, Navigation Display Unit
33- -
347.5Powertrain Control Module (STRLD), Starter Cut Relay 1, Starter Cut Relay 2
357.52007-2009: Starter Switch Signal (STS), Ignition Switch
7.52010-2012: Super Handling-All Wheel Drive (SH-AWD) control unit
367.52010-2012 (Type 1): Starter Switch Signal (STS), Ignition Switch
377.52010-2012 (Type 1): Occupant Detection System (ODS) Unit, Passenger's Airbag Cutoff Indicator, Supplemental Restraint System (SRS) Unit
387.52010-2012 (Type 2): Starter Switch Signal (STS), Ignition Switch
397.52010-2012 (Type 2): Occupant Detection System (ODS) Unit, Passenger's Airbag Cutoff Indicator, Supplemental Restraint System (SRS) Unit
Relay
R1Turn Signal / Hazard
R2 -
R3 -
R4Accessory Power Socket
R5PGM-FI Main No.2 (Fuel Pump)
R6Power Window
R7Front Seat Heater
R8 -

Passenger Compartment Relay Boxes

№1Relay Box №1

№Relay
R1 -
R22010-2012: Super Handling-All Wheel Drive (SH-AWD)
R3ACC CUT
R4IG2 CUT

№2Relay Box №2

№Relay
R12010-2012: Second Row Seat Heater
R22010-2012: Rear Blower Motor
2007-2009: Brake Light
R3Starter Cut (№2)
R4Starter Cut (№1)

№3Relay Box №3

№Relay
R12010: Brake Light
2011-2012: Headlight Washer
R22007-2010: Headlight Washer
2011-2012: Brake Light

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Engine Compartment

Engine Compartment Overview

  1. 2010-2012: Relay Box
  2. Powertrain Control Module (PCM)
  3. Fuse Box №1
  4. Fuse Box №2
  5. Battery Sensor
  6. VSA Modulator Control Unit

Engine Compartment Fuse Box №1 Diagram

The under-hood fuse box №1 is next to the battery.Location of fuse box #1 in the engine compartment Engine Compartment Fuse Box №1 Diagram

№AProtected Component
110Left Daytime Running Light
210Right Daytime Running Light
310Left Headlight (High Beam), Headlight Leveling Control Unit
410Right Headlight (High Beam)
57.5Front Parking Lights, Front Side Marker Lights, License Plate Lights, Taillights, Rear Side Marker Lights
630Headlight Low Beam Relay, Fuse (Engine Compartment Fuse Box №1): № 18, 19
77.5PGM-FI Sub Relay, Radiator Fan Relay, A/F Sensor Relay
815Crankshaft Position (CKP) Sensor, Camshaft Position (CMP) Sensor, Electronic Throttle Control System (ETCS) Control Relay, Ignition Coil Relay, Injectors, Mass Air Flow (MAF) Sensor, Powertrain Control Module (PCM (IGP)), PGM-FI Main Relay 1 (Fl Main), PGM-FI Main Relay 2 (Fuel Pump), Fuse (Engine Compartment Fuse Box №1): № 7
915Ignition Coils
1015Electronic Throttle Control System (PCM)
1115Evaporative Emission Control (EVAP) Canister Vent Shut Valve, Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1), Front Secondary Heated Oxygen Sensor (HO2S) (Bank 2, Sensor 2), Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1), Rear Secondary Heated Oxygen Sensor (HO2S) (Bank 1, Sensor 2)
1240Front Blower Motor
1320Fog Lights, Fog Light Relay
1430Headlight Washer Motor, Headlight Washer Relay (2010-2012)
1530A/C Condenser Fan Motor
1630A/C Condenser Fan Motor, Radiator Fan Motor
177.5A/C Compressor Clutch
1815Left High Intensity Discharge (HID) Unit
1915Right High Intensity Discharge (HID) Unit, Headlight Washer Relay (2007-2009)
207.5Active Damper System Switch Light, Ambient Lights (Built Into The Roof Console), A/T Gear Position Indicator Panel Light, Blind Spot Information (BSI) OFF Switch Light, Climate Control Unit, Dashlights Brightness Controller Light, Driver's Ambient Light, Driver's Seat Heater Switch Light, Driver's Seat Ventilation Switch Light, Front Passenger's Ambient Light, Front Passenger's Seat Heater Switch Light, Front Passenger's Seat 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, RES Auxiliary Jack Assembly Light (Rear Entertainment), 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
Relay
R1Fan Control
R2A/C Compressor Clutch
R3A/C Condenser Fan
R4Radiator Fan
R5Headlight Low Beam
R6Front Blower Motor
R7Fog Light
R8Interior Light

Engine Compartment Fuse Box №2 Diagram

The under-hood fuse box №2 is located on the driver’s side.Location of fuse box #2 in the engine compartment Engine Compartment Fuse Box №2 Diagram

№AProtected Component
1120Alternator, Fuse (Engine Compartment Fuse Box №2): № 3
2.1302010-2012: Active Damper Control Unit
2.2302010-2012: Super Handling-All Wheel Drive (SH-AWD) Control Unit
2.330Rear Blower Motor
2.440VSA Modulator-Сontrol Unit
2.540Fuse (Luggage Compartment): № 1, 2, 3, 4
2.640Fuse (Passenger Compartment): № 12, 13, 14, 15, 16, 17
2.740Fuse (Passenger Compartment): № 1, 2, 3, 4
2.8- -
3.160Fuse (Engine Compartment Fuse Box №1): № 12, 13, 22
3.240Fuse (Engine Compartment Fuse Box №1): № 1, 2, 3, 4, 5, 6
3.360Fuse (Engine Compartment Fuse Box №1): № 14, № 15, № 16, and № 17
3.450Ignition Switch (BAT), Starter Solenoid, Starter Cut Relay №1, Starter Cut Relay №2, Fuse (Passenger Compartment): № 33
3.550Power Window Relay, Fuse (Passenger Compartment): № 24, 25, 26, 27, 28
3.660Fuse (Luggage Compartment): № 5, 6, 7, 8, 9, 10, 11
3.730Fuse (Passenger Compartment): № 7, 8, 9, 10, 11
3.8302010-2012: Fuse (Engine Compartment Relay Box): № 1
440Fuse (Passenger Compartment): № 5, 6, 7, 8, 9
5302010-2012: E-Pretensioner Unit
6302010-2012: E-Pretensioner Unit
730Active damper control unit
7.52010-2012: Powertrain Control Module (VBUM (Continental PCM))
830Audio Amplifier
97.5Battery Sensor
1015Hazard Warning Switch(9), Turn Signal/Hazard Relay
1115Adaptive Cruise Control (ACC) Unit, High Mount Brake Light, Horn, Taillight, Multiplex Integrated Control Unit (MICU), Noise Reduction Condenser (for High Mount Brake Light), PCM (Brake Pedal Position Switch), VSA Modulator-Сontrol Unit, Horn Relay
1220VSA Modulator-Control Unit
1320Trailer (Brake)
1420Left Second Row Seat Heater, Left Second Row Seat Heater Switch Indicators, Right Second Row Seat Heater, Right Second Row Seat Heater Switch Indicators
1520AC Inverter Unit
16- -
17- -
18- -
19- -
20- -

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Engine Compartment Relay Box

Location of relay box in the engine compartment Engine Compartment Relay Box

№AProtected Component
110Adaptive Cruise Control (ACC) Unit, Active Damper Control Unit, Blind Spot Information (BSI) Control Unit, Driver's Seat Ventilation Switch Indicators, Front Passenger's Seat Ventilation Switch Indicators, E-Pretensioner Unit, Left Blind Spot Information (BSI) Radar Unit, Millimeter Wave Radar, Right Blind Spot Information (BSI) Radar Unit, Seat Ventilation Control Unit
2- -
3- -
4- -
Relay
R1Brake Light (with Adaptive Cruise Control (ACC))
R2Tech

Luggage Compartment

Luggage Compartment Overview

  1. Electrical Compass Unit (without Navigation)
  2. Power Tailgate Drive Unit
  3. Acuralink Control Unit (XM Receiver)
  4. 2010-2012: Blind Spot Information (BSI) Control Unit
  5. Active Damper Control Unit
  6. Fuse Box
  7. Super Handling-All Wheel Drive (SH-AWD) Control Unit
  8. Fuel Pump Control Module
  9. – (6)
  10. Power Tailgate Control Unit

Luggage Compartment Fuse Box Diagram

The rear fuse box is located on the left side of the cargo area.Location of fuses in the luggage compartment Luggage Compartment Fuse Box Diagram

№AProtected Component
17.5Optional (for Trailer Lighting Connector)
220Optional (for Trailer Lighting Connector)
320Optional (for Trailer Lighting Connector)
47.5Optional (for Trailer Lighting Connector)
510Cargo Area Accessory Power Socket Relay, Cargo Area Accessory Power Socket
620Power Tailgate Control Unit
7152007-2009: Rear Multiplex Integrated Control Unit (MICU)
87.5Tailgate (Cargo Area) Lights, Rear Multiplex Integrated Control Unit (MICU), Inside Tailgate Switch
9302007-2009: Super Handling-All Wheel Drive (SH-AWD) Control Unit
1030Rear Window Defogger, Noise Reduction Condenser
1140Power Tailgate Control Unit
Relay
R1Cargo Area Accessory Power Socket
R22007-2009: Super Handling-All Wheel Drive (SH-AWD)
R3Rear Window Defogger

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