2003 Mitsubishi Outlander Service and Repair Manual

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Factory-Grade Data

2003 Mitsubishi Outlander 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

  • LS Sport Utility 4-Door
  • XLS Sport Utility 4-Door

Engines covered

  • 2.4L 2351CC l4 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

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2003 Mitsubishi Outlander Recalls & Complaints

NHTSA #03V02800030/01/2003Component: VEHICLE SPEED CONTROL

ON CERTAIN SPORT UTILITY VEHICLES, DURING EXTREMELY LOW TEMPERATURE CONDITIONS, ICE CAN BUILD UP INSIDE THE ENGINE THROTTLE VALVE. THIS ICE BUILD-UP COULD CAUSE THE ACCELERATOR PEDAL TO STICK OR NOT

Consequence

FAILURE TO RETURN TO IDLE COULD RESULT IN A VEHICLE CRASH WITHOUT WARNING.

Remedy

DEALERS WILL REPROGRAM THE ENGINE CONTROL COMPUTER TO ELIMINATE THIS CONDITION. OWNER NOTIFICATION

NHTSA #04V19700026/04/2004Component: TRAILER HITCHES

CERTAIN SPORT UTILITY VEHICLES MAY HAVE BEEN EQUIPPED WITH DEALER-INSTALLED TRAILER HITCH WIRING HARNESS AND CONTROL MODULE. THE ELECTRONIC CONTROL MODULE CAN OVERHEAT.

Consequence

OVERHEATING OF THE TRAILER HITCH WIRING HARNESS MODULE COULD RESULT IN A FIRE.

Remedy

OWNERS ARE BEING REQUESTED TO STOP USING THE HARNESS UNTIL A NEWLY DESIGNED REPLACEMENT IS PROVIDED

NHTSA #16V45800023/06/2016Component: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

Mitsubishi Motors North America, Inc. (MMNA) is recalling certain model year 2002-2007 Lancer, 2004 Lancer Wagon, 2003-2006 Lancer Evolution, 2003-2006 Outlander and 2007-2013 Outlander V-6 vehicles o

Consequence

A detached front control arm can result in the loss of control of the vehicle, increasing the risk o

Remedy

MMNA will notify owners, and dealers will inspect the front cross members. Depending on the level o

NHTSA #03V19400020/05/2003Component: ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

ON CERTAIN SPORT UTILITY VEHICLES, WATER COULD ENTER THE FRONT FLOORBOARD AREA FROM OPENINGS IN THE SIDE SILL OR UPPER DASH AREA. THIS WATER COULD COLLECT UNDER THE SEAT AND CAUSE ELECTRICAL CORROSIO

Consequence

ELECTRICAL CORROSION OF THE HARNESS COULD CAUSE THE SEAT BELT PRE-TENSIONER TO MALFUNCTION, THE SIDE

Remedy

DEALERS WILL INSPECT THE SIDE SILLS AND DASH PANEL FOR OPENINGS THAT MAY ALLOW WATER LEAKAGE INTO TH

NHTSA #04V06700011/02/2004Component: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

CERTAIN SPORT UTILITY AND PASSENGER VEHICLES FAIL TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEMS." THE OWNER'S MANUAL DOES NOT CONTAIN A STEP-BY-STEP

Consequence

IF THE TETHER STRAP IS IMPROPERLY INSTALLED TO THE TETHER ANCHOR, THE CHILD SAFETY SEAT MAY NOT BE S

Remedy

A LETTER OUTLINING THE PROBLEM WILL BE SENT TO OWNERS ALONG WITH A STICKER CONTAINING THE CORRECT IN

NHTSA #04V42800001/09/2004Component: EQUIPMENT:OTHER:LABELS

CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BILINGUAL ENGLISH/SPANISH REMOVABLE AIR BAG WARNING L

Consequence

THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.

Remedy

MITSUBISHI CARIBBEAN WILL MAIL A CUSTOMER NOTIFICATION LETTER CONTAINING A WRITTEN DESCRIPTION AND A

TSB #10240443

This is a Dealer Letter sent to dealers informing that Mitsubishi Technical Training has launched the 3rd quarterly technician quiz for 2023.

TSB #10235609

This Technical Service Bulletin provides instructions and material safety data sheets for removal of rap-film adhesive residue.

TSB #10235606

This is a Dealer Letter sent to dealers informing that Mitsubishi Technical Training has launched the 2nd quarterly technician quiz for 2023.

TSB #10235608

This Technical Service Bulletin reviews the regulations that require a label showing the reduction in load carrying capacity be affixed to vehicles when the total net weight of accessories is more than 1.5 percent of the vehicle's gross veh

TSB #10226082

Tech Talk is a service newsletter that was sent out to dealers. It covers various topics and reviews the previous months publications.

TSB #10211530

This Technical Service Bulletin was sent to dealers to explain the difference between normal dew condensation, which is a natural phenomenon, and water penetration caused by improper sealing or a defective/broken part.

TSB #10208837

This Technical Service Bulletin was sent to dealers informing them to replace the Power Seat Side Shield and apply felt tape when customers complain the Power Seat Side Shield is coming off while entering/exiting the vehicle.

TSB #10207798

This Technical Service Bulletin instructs dealers to apply Nonwoven Fabric Tape between the Seat Back and Urethane Pad when customers report a condition where an abnormal rubbing noise is heard from the Seat Back when a driver and/or passen

Showing the 8 most recent of 62 technical service bulletins on file with NHTSA.

20090522Component: STEERINGCrash reported2 injured

TL*THE CONTACT OWNS A 2003 MITSUBISHI OUTLANDER. WHILE DRIVING AT AN UNKNOWN SPEED, SMALL STONES FELL OFF OF ANOTHER VEHICLE AND STRUCK THE SUNROOF OF THE CONTACT'S VEHICLE. AS A RESULT, DEBRIS AND

20090522Component: VISIBILITY:SUN/MOON ROOF ASSEMBLYCrash reported2 injured

TL*THE CONTACT OWNS A 2003 MITSUBISHI OUTLANDER. WHILE DRIVING AT AN UNKNOWN SPEED, SMALL STONES FELL OFF OF ANOTHER VEHICLE AND STRUCK THE SUNROOF OF THE CONTACT'S VEHICLE. AS A RESULT, DEBRIS AND

20060512Component: AIR BAGS:FRONTALCrash reported2 injured

ON THE MORNING OF MAY 2, WHILE IT WAS RAINING A CAR THAT WAS TWO CARS IN FRONT OF MY WIFE DECIDED TO MAKE A LEFT TURN ON THE HIGHWAY WITHOUT ANY ADVANCED NOTICE; MY WIFE ENDS UP RUNNING INTO THE CAR I

20190624Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNED A 2003 MITSUBISHI OUTLANDER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH, THE DRIVER LOST CONTROL OF THE VEHICLE AND CRASHED WHILE ATTEMPTING TO AVOID COLLIDING WI

20180612Component: AIR BAGSCrash reported1 injured

AIR BAGS DID NOT DELPOY DURING CRASH. THE VEHICLE WAS TOTATLED AND I NO LONGER OWN THE VEHICLE. *JS

Showing the 5 most serious of 149 complaints filed with NHTSA.

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