2003 Toyota Land Cruiser Service and Repair Manual

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Fits the 2003 Land Cruiser — Base ·
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2003 Toyota Land Cruiser 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, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • Base

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
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams
NHTSA #16V06500005/02/2016Component: AIR BAGS:SIDE/WINDOW

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2003-2006 Toyota Land Cruiser and Lexus LX470, 2005-2006 Toyota Tundra and Sequoia, 2004-2006 Toyota 4Runner and Lexus

Consequence

If the side curtain-shield-air bags deploy unexpectedly, it can increase the risk of occupant injury

Remedy

Toyota will notify owners, and dealers will replace the air bag control module with one that has imp

TSB #11012744

The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl

TSB #11012743

To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in

TSB #11012742

Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood

TSB #11012735

Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure i

TSB #11012727

Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the

TSB #11007445

The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl

TSB #11007444

To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in

TSB #11007443

Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood

Showing the 8 most recent of 64 technical service bulletins on file with NHTSA.

20200413Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2003 TOYOTA LAND CRUISER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 30 MPH AND MAKING A LEFT TURN, A SECOND VEHICLE CRASHED INTO THE FRONT OF THE VEHICLE. THE FRONT DR

20060403Component: AIR BAGS:SIDE/WINDOW1 injured

DT*: THE CONTACT STATED WHILE THE VEHICLE WAS PARKED THE SIDE/ CURTAIN AIRBAGS DEPLOYED. THE CONTACT SUSTAINED MINOR INJURIES. THERE HAD BEEN NO PRIOR ACCIDENT. THE VEHICLE WAS DRIVEN TO THE DEALE

20210919Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

Braking system failed. Unable to stop operating vehicle traveling 30 MPH without downshifting and allowing vehicle’s momentum to dissipate. Vehicle towed to repair facility. Repair has been complet

20200107Component: STRUCTURE:BODY

EXCESSIVE UNDERBODY RUSTING. I HAVE A TUNDRA WHOSE UNDERBODY WAS CHANGED UPON RECALL BY TOYOTA. CAR IS GARAGED OR LEFT IN DRIVEWAY. EVERY MECHANIC COMMENTS ON EXCESSIVE RUSTING INCLUDING PRESTIGE TOYO

20200107Component: UNKNOWN OR OTHER

EXCESSIVE UNDERBODY RUSTING. I HAVE A TUNDRA WHOSE UNDERBODY WAS CHANGED UPON RECALL BY TOYOTA. CAR IS GARAGED OR LEFT IN DRIVEWAY. EVERY MECHANIC COMMENTS ON EXCESSIVE RUSTING INCLUDING PRESTIGE TOYO

Showing the 5 most serious of 11 complaints filed with NHTSA.

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