2003 Acura MDX Service and Repair Manual

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Covers all 2003 MDX trims — Touring Sport Utility 4-Door, Base Sport Utility 4-Door ·
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The 2003 Acura MDX service and repair manual is a practical, OEM-style reference for maintenance, diagnostics, and repair work. You'll get step-by-step procedures, specifications, torque values, diagrams, and system information to help you troubleshoot accurately and finish jobs faster.

Ideal for professional technicians and DIY owners, this manual covers core vehicle systems including engine, brakes, steering, suspension, HVAC, and wiring diagrams. Instant digital access after purchase.

Trims covered

  • Touring Sport Utility 4-Door
  • Base Sport Utility 4-Door

Engines covered

  • 3.5L 3471CC V6 GAS SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Body Repair
  • Body Repair Basic
  • Brakes
  • Control System DTCs
  • Driving Support & Restraints
  • Engine
  • HVAC
  • Network Communication
  • Paint Repair Basic
  • Steering
  • Suspension
  • Symptom
  • Trans/Driveline
  • Vehicle General Information
  • Wiring Diagrams
NHTSA #19V50100027/06/2019Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2003-2006 Acura MDX, 2005-2012 RL, 2003-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Honda will notify owners, and dealers will replace the passenger frontal airbag inflator, free of ch

NHTSA #19V49900027/06/2019Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2003 Acura 3.2CL, 2002-2003 3.2TL, 2003-2006 MDX, 2001-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-20

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of char

NHTSA #16V34400023/05/2016Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain model year 2003-2006 Acura MDX, 2005-2011 Acura RL, 2005-2006 Honda CR-V, 2003-2011 Element, 2007-2008 Fit, 2003-2008 Pilot, 2002-2004 Odyssey, an

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Honda will notify owners, and dealers will replace the passenger frontal air bag inflator, free of c

NHTSA #13V41200019/09/2013Component: AIR BAGS

Honda is recalling certain model year 2003 and 2004 Odyssey and model year 2003 Acura MDX vehicles. Due to electrical noise, a component in the air bag control module may fail causing the front air b

Consequence

Inadvertent deployment of the air bags may increase the risk of injury and the possibility of a vehi

Remedy

Honda will notify owners, and dealers will install a noise suppressor unit, free of charge. The rec

NHTSA #19E06800010/10/2019Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

Dorman Products, Inc. (Dorman) is recalling certain Accelerator Pedal Assemblies part numbers 699-114 and 825-5029-1, sold as replacement parts for 2003-2006 Acura MDX, 2004-2008 Acura TL and TSX, 20

Consequence

If the accelerator pedal binds, the engine may not quickly return to idle after the pedal is no long

Remedy

Dorman will notify owners, and qualified service facilities will replace the affected accelerator pe

TSB #10172576

Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement f

TSB #10172572

Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement d

TSB #10108848

Dealer message - On September 18, 2013, Acura notified NHTSA of a Safety Recall for some 2003 MDX vehicles for the issue covered in service bulletin 13-038, Safety Recall: Electrical Noise May Cause Inadvertent Airbag Deployment. On January

TSB #10108584

Service bulletin - Certain Acura vehicles operated in areas known for high absolute humidity and high heat may contain a driver?s airbag that, over time, may be affected by exposure to the humidity, which could produce excessive internal pr

TSB #10108538

Service bulletin - A manufacturing error can produce over-pressurization of the passenger's (front) airbag inflator during airbag deployment. If an affected airbag deploys, the increased internal pressure may cause the inflator casing to ru

TSB #10108539

Service bulletin - Certain Acura vehicles operated in areas known for high absolute humidity and high heat may contain a driver?s airbag that, over time, may be affected by exposure to the humidity, which could produce excessive internal pr

TSB #10108540

Service bulletin - Certain Acura vehicles operated in areas known for high absolute humidity and high heat may contain a front passenger's airbag that, over time, may be affected by exposure to the humidity, which could produce excessive in

TSB #10108541

Service bulletin - Certain Acura vehicles operated in areas known for high absolute humidity may contain a front passenger's airbag that, over time, may be affected by exposure to the humidity, which could produce excessive internal pressur

Showing the 8 most recent of 160 technical service bulletins on file with NHTSA.

20140902Component: WHEELSCrash reported2 injured

RIGHT FRONT METAL WHEEL SEPARATED WITHIN SECONDS, PULLED THE CAR RIGHT INTO AN EMBANKMENT, CAR ROLLED LEFT MULTIPLE TIMES INVESTIGATING OFFICER FROM GOOCHLAND COUNTY SHERIFF'S DEPT. SAID HAD NEVER

20100909Component: SEAT BELTSCrash reported2 injured

TL* THE CONTACT OWNS A 2003 ACURA MDX, WHILE STOPPED THE CONTACT WAS REAR ENDED BY A VEHICLE TRAVELING AT APPROXIMATELY 50 MPH. THE SEAT BELT DID NOT TIGHTEN TO HOLD HER FIRMLY IN PLACE UPON IMPACT

20151217Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2003 ACURA MDX. WHILE DEPRESSING THE BRAKE PEDAL TO COME TO A COMPLETE STOP, THE AIR BAGS INADVERTENTLY DEPLOYED WITHOUT WARNING. AS A RESULT OF THE AIR BAG DEPLOYMENT, THE CONT

20031012Component: AIR BAGSCrash reported1 injured

THE VEHICLE WAS INVOLVED IN AN ACCIDENT IN WHICH IT ROLLED OVER. NEITHER AIR BAG DEPLOYED. THERE WAS NO AIR BAG LIGHT WARNING PRIOR TO THE CRASH. A POLICE REPORT AND PICTURES CAN BE MADE AVAILABLE

20200918Component: AIR BAGSCrash reported

I WRECKED ON 8/24/2020. THE CAR SAYS THE AIRBAGS DEPLOYED AND MY SEATBELTS LOCKED UP. BUT MY AIRBAGS DID NOT DEPLOY! I REAR ENDED SOMEBODY GOING ABOUT 20 MPH ON A CITY STREET.

Showing the 5 most serious of 259 complaints filed with NHTSA.

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