Introduction - IN1 INTRODUCTION IN2 INTRODUCTION HOW TO USE...

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INTRODUCTION IN–1
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HOW TO USE THIS MANUAL IN02E–01 INDEX An INDEX is provided on the first page of each section to guide you to the item to be repaired. To assist you in finding your way through the manual, the Section Title and major heading are given at the top of every page. IN02F–01 ALPHABETICAL INDEX An ALPHABETICAL INDEX is also provided at the end of this manual so that you can rapidly find the item and page you are searching for. IN02G–07 GENERAL DESCRIPTION At the beginning of each section, a general Description is given that pertains to all repair operations con- tained in that section. Read these precautions before starting any repair task. IN02H–01 TROUBLESHOOTING TROUBLESHOOTING tables are included for each system to help you diagnose the problem and find the cause. The fundamentals of how to proceed with troubleshooting are described on page IN–18 . Be sure to read this before performing troubleshooting. IN02J–01 PREPARATION Preparation lists the SST (Special Service Tools), recommended tools, equipment, lubricant and SSM (Special Service Materials) which should be prepared before beginning the operation and explains the pur- pose of each one. 3IN02K–01 REPAIR PROCEDURES Most repair operations begin with an overview illustration. It identifies the components and shows how the parts fit together. Example: IN–2 INTRODUCTION HOW TO USE THIS MANUAL
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The procedures are presented in a step–by–step format: S The illustration shows what to do and where to do it. S The task heading tells what to do. S The detailed text tells how to perform the task and gives other information such as specifications and warnings. Example: This format provides the experienced technician with a FAST TRACK to the information needed. The upper case task heading can be read at a glance when necessary, and the text below it provides de- tailed information. Important specifications and warnings always stand out in bold type. IN02L–01 REFERENCES References have been kept to a minimum. However, when they are required you are given the page to refer to. IN02M–01 SPECIFICATIONS Specifications are presented in bold type throughout the text where needed. You never have to leave the procedure to look up your specifications. They are also found at the end of each section, for quick refer- ence. INTRODUCTION HOW TO USE THIS MANUAL IN–3
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HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS A large number of ECU controlled systems are used in the LEXUSGS300. In general, the ECU controlled system is considered to be a very intricate system requiring a high level of technical knowledge and expert skill to trou- bleshoot. However, the fact is that if you proceed to inspect the circuits one by one, troubleshooting of these systems is not complex. If you have adequate understanding of the system and a basic knowledge of electricity, accurate diagnosis and necessary repair can be performed to locate and fix the problem. This manual is de- signed through emphasis of the above standpoint to help service technicians perform accurate and effective
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Introduction - IN1 INTRODUCTION IN2 INTRODUCTION HOW TO USE...

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