2004 Lexus IS 300 Service and Repair Manual

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Covers all 2004 IS 300 trims — Base, SportCross ·
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2004 Lexus IS 300 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, Automatic
  • Base, Standard
  • SportCross

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
No active recalls The 2004 Lexus IS 300 has no recalls on file with NHTSA.
TSB #10214355

Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022

TSB #10207945

POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be available to any custome

TSB #10205327

Techstream ECU Flash Reprogramming Procedure.

TSB #10205329

Immobilizer and Smart Key Reset.

TSB #10205330

Immobilizer and Smart Key Reset

TSB #10205331

Immobilizer and Smart Key Reset

TSB #10205346

Auto matic Transmission Replacement kPrecautions

TSB #10205352

Windshield Wiper Blade Maintenance and cleaning

Showing the 8 most recent of 30 technical service bulletins on file with NHTSA.

20080720Component: AIR BAGS:FRONTALCrash reported3 injured

ON JULY 18, 2008, I WAS DRIVING MY LEXUS IS-300. MY WIFE AND I EXITED THE HIGHWAY AND STOPPED AT A STOP LIGHT ON THE OFF RAMP. WHILE WAITING TO PROCEED THROUGH THE STOPLIGHT, WE WERE STRUCK FROM BEH

20100419Component: VEHICLE SPEED CONTROLCrash reported

TL*THE CONTACT LEASED A 2004 LEXUS IS300. THE CONTACT STATED THAT WHILE DRIVING 5 MPH, THE VEHICLE UNINTENTIONALLY ACCELERATED, DROVE OVER A CURB, AND CRASHED INTO THE STEPS ON A RAILING OF A BUILDING

20050119Component: TIRESCrash reported

WHILE DRIVING IN INCLEMENT WEATHER THE VEHICLE REAR TRACTION MALFUNCTIONED WHICH RESULTED IN FREQUENT SPINOUTS AND A SUBSEQUENT COLLISION WITH ANOTHER VEHICLE. *NM (2004 LEXUS IS300) THE CONSUMER S

20180911Component: ELECTRICAL SYSTEM

THE GAS PEDAL WILL INTERMITTENTLY STOP WORKING. FORCING ONE TO PULL OVER, RESTART THE CAR, AND/OR HAVE THE VEHICLE TOWED FOR REPAIR.

20180522Component: ENGINE

ENGINE QUIT ON HIGHWAY AT 65 MPH COASTED OF SHOULDER OF ROAD. WRECKER DROPPED AT DEALER. THEY MIS DIAGNOSED A BAD COIL. APPROXIMATELY 6 HOURS LATER THE CAR QUIT IN SAME WAY AGAIN. ANOTHER REPAIR SHOP

Showing the 5 most serious of 23 complaints filed with NHTSA.

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