2003 Honda Odyssey Service and Repair Manual

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Covers all 2003 Odyssey trims — EX Mini Passenger Van 5-Door, LX Mini Passenger Van 5-Door, EX-L Mini Passenger Van 5-Door ·
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2003 Honda Odyssey service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • EX Mini Passenger Van 5-Door
  • LX Mini Passenger Van 5-Door
  • EX-L Mini Passenger Van 5-Door

Engines covered

  • 3.5L 3474CC V6 GAS SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • 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 #03V01400016/01/2003Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

ON CERTAIN MINI VANS, SOME FUEL TANKS HAVE SURFACE IMPERFECTIONS THAT COULD ALLOW FUEL TO LEAK FROM THE TANK.

Consequence

FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy

DEALERS WILL INSPECT THE FUEL TANK FOR SURFACE IMPERFECTIONS. IF ANY IMPERFECTIONS ARE FOUND, THE F

NHTSA #04V17600015/04/2004Component: POWER TRAIN:AUTOMATIC TRANSMISSION

ON SOME MINI VANS, SPORT UTILITY AND PASSENGER VEHICLES, CERTAIN OPERATING CONDITIONS CAN RESULT IN HEAT BUILD-UP BETWEEN THE COUNTERSHAFT AND SECONDARY SHAFT SECOND GEARS IN THE AUTOMATIC TRANSMISSIO

Consequence

GEAR FAILURE COULD RESULT IN TRANSMISSION LOCKUP, WHICH COULD RESULT IN A CRASH.

Remedy

ON VEHICLES WITH 15,000 MILES OR LESS, THE DEALER WILL UPDATE THE TRANSMISSION WITH A SIMPLE REVISIO

TSB #10213538

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 #10194971

Service Bulletin - Case v. American Honda Motor Co., Inc., Case No. BC 424169 (Third Clutch Transmission Settlement - $25 Credit Vouchers).

TSB #10186009

"Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye"

TSB #10172568

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 #10172564

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 #10108852

Dealer message - On September 18, 2013, American Honda notified NHTSA of a Safety Recall for some 2003-04 Odyssey vehicles for the issue covered in service bulletin 13-088, Safety Recall: Electrical Noise May Cause Inadvertent Airbag Deploy

TSB #10108811

Safety recall reminder - Dealership postcard to remind customers of the driver airbag inflator safety recall/safety improvement campaign and the SRS unit malfunction safety recall

TSB #10108564

Dealer message - American Honda is announcing service bulletin 15-026 SRS Unit Collection for a small number of 2003 Odyssey vehicles that overlaps the Safety Recalls indicated above. American Honda is proactively reaching out to customers

Showing the 8 most recent of 274 technical service bulletins on file with NHTSA.

20150526Component: AIR BAGSCrash reportedFire reported1 injured

I WAS DRIVING SOUTH DOWN A RESIDENTIAL STREET WHICH THE SPEED LIMIT IS 30MPH. A WOMAN GOING NORTH BOUND TURNED LEFT IN FRONT OF ME. MY AIRBAG DEPLOYED AND MY HAND WAS SERIOUSLY BURNT FROM IT. I AM CUR

20170110Component: AIR BAGSCrash reported3 injured

TL* TAKATA RECALL. THE CONTACT OWNED A 2003 HONDA ODYSSEY. UPON ENTERING ONTO THE HIGHWAY THE FRONT DRIVER AND PASSENGER SIDE AIR BAGS DEPLOYED WITH FORCE. THE DRIVER WAS UNCONSCIOUS WHEN THE FAILURE

20151110Component: AIR BAGSCrash reported2 injured

ON OCTOBER 5, 2015 I WAS HIT BY A VEHICLE AS I WAS DRIVING ON A CITY STREET TO GET HOME. I WAS DRIVING AT AT THE SPEED LIMIT OF 35 MPH. MY AIR BAGS DEPLOYED AND EXPLODED. MY FRONT PASSENGER AND I WERE

20141125Component: AIR BAGSCrash reported2 injured

TL* THE CONTACT OWNS 2003 HONDA ODYSSEY. THE CONTACT STATED THAT WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT CRASHED INTO ANOTHER VEHICLE. AS A RESULT, THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SU

20131113Component: AIR BAGSCrash reported2 injured

TL* THE CONTACT OWNS A 2003 HONDA ODYSSEY. THE CONTACT STATED THAT WHILE TRAVELING APPROXIMATELY 70 MPH, ANOTHER VEHICLE CRASHED INTO THE CONTACT HEAD-ON. THE AIR BAGS FAILED TO DEPLOY. THE FRONT PAS

Showing the 5 most serious of 1092 complaints filed with NHTSA.

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