The Acura MDX is a midsize luxury SUV produced by the Japanese automaker Acura. It is first introduced in 2001 and has gone through several generations since then. The second generation of the Acura MDX is produced from 2007 to 2013 and is known for its superior performance, advanced technology, and high-quality interior.

One important aspect of the Acura MDX is its electrical system, which includes various components such as the fuse box and relay. These components are essential for the proper functioning of the car’s electrical system and play a critical role in keeping the car running smoothly.

Fuse Box and Relay

The Acura MDX 2007-2013 also includes a fuse box and relay, which are essential components of the car’s electrical system. The fuse box is located in the engine compartment and contains various fuses that protect the electrical system from damage due to power surges or short circuits.

The relay, on the other hand, is an electromagnetic switch that controls various electrical components in the car. It is located in the fuse box and is responsible for turning on and off various electrical systems, such as the headlights, air conditioner, and power windows.

Overall, the Acura MDX 2007-2013 is a high-performance SUV that offers advanced technology, superior handling, and a luxurious interior. Its electrical system, which includes the fuse box and relay, is critical for the proper functioning of the car and plays an important role in keeping it running smoothly.

(2007-2013) Acura MDX fuse box and relay with Diagram

Passenger compartment

acura mdx 2007 2013 dashboard
acura mdx 2007 2013 dashboard
  1. Fuse Box
  2. Gauge Control Module
  3. Combination Switch Control Unit
  4. SRS Unit
  5. Power Tilt / Telescopic Steering Control Unit

Passenger Compartment Fuse Box

acura mdx 2007 2013 passenger compartment fuse box
acura mdx 2007 2013 passenger compartment fuse box
No.AmpsAssignment/Designation
17.5ATire Pressure Monitoring System (TPMS) Control Unit
210ADriver’s Lumbar Support Motor
310A’07: Moonroof Control Unit/Motor
15A’08-’12: Moonroof Control Unit/Motor
420ADriver’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
510AAcuraLink Control Unit (XM Receiver), Audio Unit, Audio-Navigation Unit, HandsFreeLink Control Unit, XM Receiver
67.5ADriver’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
710AAdaptive 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
820ADoor Lock (Multiplex Integrated Control Unit (MICU))
915AFront Accessory Power Socket, Rear Accessory Power Socket
1015APCM (VBSOL)
1130A’07-’09: 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)
30A’10-’12: Windshield Wiper Motor, Windshield Wiper Motor
1210ASubwoofer
1320AFront Passenger’s Power Seat Motor (Recline, Rear Up-Down)
1420ADriver’s Power Seat Motor (Slide, Front Up-Down)
1520APower Tilt/Telescopic Steering Control Unit
1620ADriver’s Power Seat Motor (Recline, Rear Up-Down)
1720AFront Passenger’s Power Seat Motor (Slide, Front Up-Down)
1810AAlternator, 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
1920A’07-’09: Fuel Pump, Immobilizer-Keyless Control Unit, Powertrain Control Module (PCM), PGM-FI Main Relay 2 (Fuel Pump)
20A’10-’12: PCM (IG1), Fuel Pump Control Module, Immobilizer-keyless Control Unit
207.5A’07-’09: 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
10A’10-’12: Fuse: No. 35, 37, 39
217.5AAcuraLink 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
2210ASupplemental Restraint System (SRS) unit
23 –
2420ALeft Rear Power Window Motor
2520ARight Rear Power Window Motor
2630APassenger’s Power Window Motor (Front Passenger’s MPCS Unit)
2730ADriver’s Power Window Motor (Driver’s MPCS Unit)
2820APower Tilt/Telescopic Steering Control Unit
2910ASteering Angle Sensor, VSA Modulator-control Unit, Yaw Ratelateral/Longitudinal Acceleration Sensor
3010AAC 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
3115AHeadlight 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)
3215A’07-’09: 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
10A’10-’12: 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 –
347.5APowertrain Control Module (STRLD), Starter Cut Relay 1, Starter Cut Relay 2
357.5A’07-’09: Starter Switch Signal (STS), Ignition Switch
7.5A’10-’12: Super Handling-All Wheel Drive (SH-AWD) control unit
367.5A’10-’12 (Type 1): Starter Switch Signal (STS), Ignition Switch
377.5A’10-’12 (Type 1): Occupant Detection System (ODS) Unit, Passenger’s Airbag Cutoff Indicator, Supplemental Restraint System (SRS) Unit
387.5A’10-’12 (Type 2): Starter Switch Signal (STS), Ignition Switch
397.5A’10-’12 (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 –
acura mdx 2007 2013 dashboard 2
acura mdx 2007 2013 dashboard 2
  1. Relay Box No.1
  2. Relay Box No.2
  3. Tire Pressure Monitoring System (TPMS) Control Unit
  4. Navigation Display Unit / Center Information Display
  5. Relay Box No.3
  6. ’10-’12: 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 Relay Box No.1

acura mdx 2007 2013 passenger compartment relay box 1
acura mdx 2007 2013 passenger compartment relay box 1
No.Relay
R1 –
R2’10-’12: Super Handling-All Wheel Drive (SH-AWD)
R3ACC CUT
R4IG2 CUT

Passenger Compartment Relay Box No.2

acura mdx 2007 2013 passenger compartment relay box 2
acura mdx 2007 2013 passenger compartment relay box 2
No.Relay
R1’10-’12: Second Row Seat Heater
R2’10-’12: Rear Blower Motor
’07-’09: Brake Light
R3Starter Cut (No.2)
R4Starter Cut (No.1)

Passenger Compartment Relay Box No.3

acura mdx 2007 2013 passenger compartment relay box 3
acura mdx 2007 2013 passenger compartment relay box 3
No.Relay
R1’10: Brake Light
’11-’12: Headlight Washer
R2’07-’10: Headlight Washer
’11-’12: Brake Light
acura mdx 2007 2013 front armrest console
acura mdx 2007 2013 front armrest console
  1. ’10-’12: E-Pretensioner Unit
  2. Rear Climate Control Panel
  3. Handsfreelink Control Unit
  4. ’07-’09: Rear Blower Motor Relay
  5. ’10-’12: Seat Ventilation Control Unit
  6. ’07-’09: Rear Seat Heater Relay
  7. AC Inverter Unit

Engine Compartment

acura mdx 2007 2013 engine compartment
acura mdx 2007 2013 engine compartment
  1. ’10-’12: Relay Box
  2. Powertrain Control Module (PCM)
  3. Fuse Box No.1
  4. Fuse Box No.2
  5. Battery Sensor
  6. VSA Modulator Control Unit

Engine Compartment Fuse Box No.1

acura mdx 2007 2013 engine compartment fuse box 1
acura mdx 2007 2013 engine compartment fuse box 1
No.AmpsAssignment/Designation
110ALeft Daytime Running Light
210ARight Daytime Running Light
310ALeft Headlight (High Beam), Headlight Leveling Control Unit
410ARight Headlight (High Beam)
57.5AFront Parking Lights, Front Side Marker Lights, License Plate Lights, Taillights, Rear Side Marker Lights
630AHeadlight Low Beam Relay, Fuse (Engine Compartment Fuse Box No.1): No. 18, 19
77.5APGM-FI Sub Relay, Radiator Fan Relay, A/F Sensor Relay
815ACrankshaft 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 No.1): No. 7
915AIgnition Coils
1015AElectronic Throttle Control System (PCM)
1115AEvaporative 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)
1240AFront Blower Motor
1320AFog Lights, Fog Light Relay
1430AHeadlight Washer Motor, Headlight Washer Relay (’10-’12)
1530AA/C Condenser Fan Motor
1630AA/C Condenser Fan Motor, Radiator Fan Motor
177.5AA/C Compressor Clutch
1815ALeft High-Intensity Discharge (HID) Unit
1915ARight High-Intensity Discharge (HID) Unit, Headlight Washer Relay (’07-’09)
207.5AActive 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 No.2

acura mdx 2007 2013 engine compartment fuse box 2
acura mdx 2007 2013 engine compartment fuse box 2
No.AmpsAssignment/Designation
1120AAlternator, Fuse (Engine Compartment Fuse Box No.2): No. 3
2.130A’10-’12: Active Damper Control Unit
2.230A’10-’12: Super Handling-All Wheel Drive (SH-AWD) Control Unit
2.330ARear Blower Motor
2.440AVSA Modulator-Сontrol Unit
2.540AFuse (Luggage Compartment): No. 1, 2, 3, 4
2.640AFuse (Passenger Compartment): No. 12, 13, 14, 15, 16, 17
2.740AFuse (Passenger Compartment): No. 1, 2, 3, 4
2.8 –
3.160AFuse (Engine Compartment Fuse Box No.1): No. 12, 13, 22
3.240AFuse (Engine Compartment Fuse Box No.1): No. 1, 2, 3, 4, 5, 6
3.360AFuse (Engine Compartment Fuse Box No.1): No. 14, No. 15, No. 16, and No. 17
3.450AIgnition Switch (BAT), Starter Solenoid, Starter Cut Relay No.1, Starter Cut Relay No.2, Fuse (Passenger Compartment): No. 33
3.550APower Window Relay, Fuse (Passenger Compartment): No. 24, 25, 26, 27, 28
3.660AFuse (Luggage Compartment): No. 5, 6, 7, 8, 9, 10, 11
3.730AFuse (Passenger Compartment): No. 7, 8, 9, 10, 11
3.830A’10-’12: Fuse (Engine Compartment Relay Box): No. 1
440AFuse (Passenger Compartment): No. 5, 6, 7, 8, 9
530A’10-’12: E-Pretensioner Unit
630A’10-’12: E-Pretensioner Unit
730AActive damper control unit
7.5A’10-’12: Powertrain Control Module (VBUM (Continental PCM))
830AAudio Amplifier
97.5ABattery Sensor
1015AHazard Warning Switch(9), Turn Signal/Hazard Relay
1115AAdaptive 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
1220AVSA Modulator-Control Unit
1320ATrailer (Brake)
1420ALeft Second Row Seat Heater, Left Second Row Seat Heater Switch Indicators, Right Second Row Seat Heater, Right Second Row Seat Heater Switch Indicators
1520AAC Inverter Unit
16 –
17 –
18 –
19 –
20 –

Engine Compartment Relay Box (’10-’12)

acura mdx 2010 2012 engine compartment relay box
acura mdx 2010 2012 engine compartment relay box
No.AmpsAssignment/Designation
110AAdaptive 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

acura mdx 2007 2013 luggage compartment
acura mdx 2007 2013 luggage compartment
  1. Electrical Compass Unit (without Navigation)
  2. Power Tailgate Drive Unit
  3. Acuralink Control Unit (XM Receiver)
  4. ’10-’12: 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

acura mdx 2007 2013 luggage compartment fuse box
acura mdx 2007 2013 luggage compartment fuse box
No.AmpsAssignment/Designation
17.5AOptional (for Trailer Lighting Connector)
220AOptional (for Trailer Lighting Connector)
320AOptional (for Trailer Lighting Connector)
47.5AOptional (for Trailer Lighting Connector)
510ACargo Area Accessory Power Socket Relay, Cargo Area Accessory Power Socket
620APower Tailgate Control Unit
715A’07-’09: Rear Multiplex Integrated Control Unit (MICU)
87.5ATailgate (Cargo Area) Lights, Rear Multiplex Integrated Control Unit (MICU), Inside Tailgate Switch
930A’07-’09: Super Handling-All Wheel Drive (SH-AWD) Control Unit
1030ARear Window Defogger, Noise Reduction Condenser
1140APower Tailgate Control Unit
Relay
R1Cargo Area Accessory Power Socket
R2’07-’09: Super Handling-All Wheel Drive (SH-AWD)
R3Rear Window Defogger

If you are in the market for a luxury SUV that offers excellent performance, advanced technology, and a high-quality interior, the Acura MDX 2007-2013 is an excellent choice. Be sure to pay close attention to the fuse box and relay, which are critical components of the car’s electrical system, to ensure that the car runs smoothly and efficiently.

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