2019 Lexus IS 300 Service and Repair Manual

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Factory-Grade Data

2019 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
  • F Sport

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

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Vehicle Safety Data

2019 Lexus IS 300 Recalls & Complaints

NHTSA #20V01200013/01/2020Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Toyota Motor Engineering & Manufacturing (Toyota) recalled certain 2018-2019 4Runner, Highlander, Camry, Land Cruiser, Sequoia, Sienna, Tacoma and Tundra, and Lexus RC 300, RC 350, GS 350, GX 460, IS

Consequence

If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

Remedy

Toyota will notify owners, and dealers will replace the fuel pump, free of charge. The recall began

NHTSA #20V68200004/11/2020Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land

Consequence

If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

Remedy

Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, fre

TSB #10235215

TSB: Some 2013 ? 2020 model year Lexus vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) ?DTC P0087 Fuel Rail

TSB #10235219

DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. The settlement includes Lexus?s agreement to provide a Customer Support Program for certain 2013-2020 model year (MY) ve

TSB #10235220

DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. The settlement includes Lexus?s agreement to provide a Customer Support Program for certain 2015-2020 model year (MY) ve

TSB #10224112

TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Lexus vehicles equipped with an FKS engine

TSB #10220187

TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Lexus vehicles equipped with an FKS engine

TSB #10214355

Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022

TSB #10209023

TSB: Some 2005 ? 2022 model year Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purp

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

Showing the 8 most recent of 82 technical service bulletins on file with NHTSA.

20190712Component: TIRESCrash reportedFire reported2 injured

PLEASE SEE IMAGES. WITHOUT WARNING ON THIS NEWS 2019 LEXUS IS 300 WITH APPROXIMATELY 2,000 MILES ON IT THE LEFT REAR FRONT TIRE LITERALLY CAME OFF THE VEHICLE WHILE TRAVELING SOUTH AT LEGAL HIGHWAY SP

20190712Component: WHEELSCrash reportedFire reported2 injured

PLEASE SEE IMAGES. WITHOUT WARNING ON THIS NEWS 2019 LEXUS IS 300 WITH APPROXIMATELY 2,000 MILES ON IT THE LEFT REAR FRONT TIRE LITERALLY CAME OFF THE VEHICLE WHILE TRAVELING SOUTH AT LEGAL HIGHWAY SP

20190712Component: UNKNOWN OR OTHERCrash reportedFire reported2 injured

PLEASE SEE IMAGES. WITHOUT WARNING ON THIS NEWS 2019 LEXUS IS 300 WITH APPROXIMATELY 2,000 MILES ON IT THE LEFT REAR FRONT TIRE LITERALLY CAME OFF THE VEHICLE WHILE TRAVELING SOUTH AT LEGAL HIGHWAY SP

20230404Component: ELECTRICAL SYSTEM

The vin to my car does not match with the motor. I find this odd. When I looked up my car vin on Kelly blue book the description was a 4 cylinder but how because I spicifically bought the 6 cylinder.

20230404Component: UNKNOWN OR OTHER

The vin to my car does not match with the motor. I find this odd. When I looked up my car vin on Kelly blue book the description was a 4 cylinder but how because I spicifically bought the 6 cylinder.

Showing the 5 most serious of 13 complaints filed with NHTSA.

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