Brake System 1 HPC Service Diagnosis Program Passenger (SDP, PL 2) Diagnosis of Gasoline Engine System HPC Service Diagnosis Program Passenger (SDP, PL 2)Preface Diagnosis of Gasoline Engine System 3. chuẩn đoán động cơ xăng , cách chuẩn đoán lỗi thường gặp trên động cơ xăng
HPC Service Diagnosis Program Passenger (SDP, PL-2) Diagnosis of Gasoline Engine System HPC Service Diagnosis Program Passenger (SDP, PL-2)Preface Preface The recent increase in carbon emission has strengthened the awareness of the seriousness of its effects on the global warming and climate changes The vehicle emission regulation is continuously being strengthened and in response, automobiles are being equipped with cutting-edge and intelligent technologies, which are rapidly changing Such changes in the automotive technologies require service centers to possess high level diagnosis techniques to troubleshoot the advanced technological systems in an automobile This lesson is composed of the following contents to improve your ability in troubleshooting the electronic control gasoline engine First, the lesson includes educational modules that consist of knowledge and technology required to perform troubleshooting task; Second, the lesson will be on-site oriented to strengthen connection with the actual tasks; and Third, the lesson will be developed with a standardized troubleshooting procedure The lesson is composed of key modules that will facilitate the improvement of the actual troubleshooting capabilities and the participants will partake in-depth learning experience for each lesson items through corresponding hands-on experience This Maintenance Manual will provide you with important guideline to facilitate your learning experience NOTE The contents herein may be revised, without prior notice, in accordance with the specification changes of Hyundai Motor Company's vehicles Diagnosis of Gasoline Engine System Table of Contents HPC Service Diagnosis Program Passenger (SDP, PL-2) Table of Contents Management Philosophy System Error! 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Bookmark not defined Preface Table of Contents Module 1.1 1.2 Module 2.1 2.2 2.3 Module 3.1 Engine Management System Basic Knowledge of the System 1.1.1 System Overview 1.1.2 Roles 10 1.1.3 Input and Output Elements 11 1.1.4 Sensor 12 1.1.5 Actuator .19 Worksheet 20 1.2.1 PCM (ECM) Circuit Analysis 20 1.2.2 Data Analysis 21 1.2.3 Air-Fuel Ratio .39 1.2.4 Case Study 41 Continuously Variable Valve Timing 43 Basic Knowledge of the System 45 2.1.1 System Overview .45 2.1.2 System Operation Principles .46 2.1.3 Effects of Application 50 2.1.4 Components 52 2.1.5 Driving Mechanism 54 2.1.6 Dual CVVT 57 2.1.7 Dual CVVT Configuration 59 Worksheet 61 2.2.1 System Components 61 2.2.2 Driving Mechanism 63 2.2.3 Service Data Analysis 68 2.2.4 Waveform Analysis 73 2.2.5 DTC Analysis .74 2.2.6 Case Study 75 Standard Troubleshooting Process 77 Gasoline Direct Injection System 81 Basic Knowledge of the System 83 3.1.1 System Overview .83 Diagnosis of Gasoline Engine System HPC Service Diagnosis Program Passenger (SDP, PL-2)Table of Contents 3.2 3.3 Module 4.1 4.2 Module 3.1.2 Components 84 3.1.3 System Operation Principles .86 Worksheet 90 3.2.1 Understanding the System 90 3.2.2 Troubleshooting .94 Standard Troubleshooting Process 98 On-Board Diagnosis System 101 Basic Knowledge of the System 103 4.1.1 System Overview 103 4.1.2 Standard Diagnostic Connector and DTC 104 4.1.3 Exhaust Gas Monitoring 105 Worksheet 112 4.2.1 Understanding the Principles of the Vapor Gas Leakage Monitoring System .112 4.2.2 Vapor Gas Leakage Monitoring System Diagnosis 118 4.2.3 Case Study 122 4.2.4 Understanding Misfire 123 4.2.5 Case Study - Misfire 126 4.2.6 Standard Troubleshooting Process 131 Service Tip 139 5.1 Basic Usage of GDS 141 5.2 Current Data 147 5.2.1 -1.6 MPI Engine Current Data 147 5.2.2 -1.6 GDI Engine Current Data 151 5.2.3 -2.0 MPI Engine Current Data 155 5.2.4 -2.0 TCI Engine Current Data 158 5.2.5 -2.4 GDI Engine Current Data 160 5.2.6 -2.7 MPI Engine Current Data 163 5.2.7 -3.0 GDI Engine Current Data 167 5.2.8 -3.8 MPI Engine Current Data 171 5.2.9 -4.6 MPI Engine Current Data 173 Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Module Error! Use the Home tab to apply 제목 to the text that you want to Engine Management System LESSON Basic Knowledge of the System Worksheet 20 EMS is the item that consists of the basic details on the engine configuration and controls The most important aspect in diagnosing malfunction is to figure out how to analyze the components that are not visible To this, you will learn the following main points Understand the overall circuit of the EMS configuration: You can see the entire configuration and PCM control at a single glance Check Input/Output terminal information: Check the input/output information of each component and understand what signal the components transmit and receive Analyze service data: You must be able to analyze the invisible data exchange through the output readings of the sensors Check DTC: You must know what items are included in the component related error codes Diagnosis of Gasoline Engine System Error! 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Use the Home tab to apply 제목 to the text that you want to 1.1 Basic Knowledge of the System 1.1.1 System Overview Demands have increased for improvement of related technology including safety, convenience, economy and environmental protection of vehicle In the past, engine control has been achieved through mechanical elements such as carburetor or power distributor However, simultaneous control of exhaust gas was impossible and optimal control of engine was difficult was developed by Bosch mechanical fuel control system, injector was operated in simultaneous injection type, but recent engine uses independent injection type which operates each injector independently System not only supplies required torque and output of engine and controls the air-fuel ratio for exhaust gas control, but also controls the ignition timing Recent EMS controls injectors, ETC, spark plugs, etc depending on the status vehicle and various sensors that measure mechanical values of engine Diagnosis of Gasoline Engine System Error! 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Use the Home tab to apply 제목 to the text that you want to appear here 1.1.2 Diagnosis of Gasoline Engine System Roles The figure shows the configuration of fuel injection control system, which consists of the intake system, the fuel system and the control system The intake system measures and controls the air required for combustion of engine and consists of Mass Air Flow type and MAP sensor type depending on the method of measuring the intake air The fuel system supplies the fuel to the combustion chamber and control system determines the optimal amount of fuel depending on the load and speed of the engine And, the amount of fuel supplied to the engine is controlled by injection time of injector (1) Intake System The intake system has different methods of measuring intake air depending on the system That is, there is MAFS for direct measuring type But for indirect measuring type, MAFS does not exist and MAP sensor is installed at the intake manifold In air flow diagram, air from the air duct passes through air cleaner and flows into the combustion chamber via MAFS, throttle valve, surge tank, intake manifold and intake port What is important in this course is that the suction resistance of air should be low and that amount of suction air should be measured accurately and fast (2) Control System The control system receives input signals from various sensors of engine, calculates the optimal amount of fuel injection in consideration of engine load status, rotation speed, driving performance of vehicle, reduction of exhaust gas and reduction of fuel consumption rate, sends this data to injector and controls the amount of fuel injection Micro computer calculates the amount of basic fuel injection from intake air flow and engine rpm, and calculates adjusted fuel amount by the input signal from various sensors In addition, it determines the injection timing and the cylinder to inject the fuel from CKP sensor and CMP sensor, and controls the feedback by the signals from oxygen sensor 10 Diagnosis of Gasoline Engine System Error! Use the Home tab to apply 제목 to the text that you want to appear here Error! Use the Home tab to apply 제목 to the text that you want to appear here 168 Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Error! Use the Home tab to apply 제목 to the text that you want to 169 Error! Use the Home tab to apply 제목 to the text that you want to appear here Error! Use the Home tab to apply 제목 to the text that you want to appear here Diagnosis of Gasoline Engine System ※The data may vary depending on the vehicle options and the year the vehicle was manufactured It is a reference information only and should not be used as the absolute standard 170 Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System 5.2.8 Error! Use the Home tab to apply 제목 to the text that you want to λ-3.8 MPI Engine Current Data Diagnosis of Gasoline Engine System 171 Error! Use the Home tab to apply 제목 to the text that you want to appear here Error! Use the Home tab to apply 제목 to the text that you want to appear here Diagnosis of Gasoline Engine System ※The data may vary depending on the vehicle options and the year the vehicle was manufactured It is a reference information only and should not be used as the absolute standard 172 Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System 5.2.9 Error! Use the Home tab to apply 제목 to the text that you want to τ-4.6 MPI Engine Current Data Diagnosis of Gasoline Engine System 173 Error! Use the Home tab to apply 제목 to the text that you want to appear here Error! Use the Home tab to apply 제목 to the text that you want to appear here 174 Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Error! Use the Home tab to apply 제목 to the text that you want to 175 Error! 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Use the Home tab to apply 제목 to the text that you want to appear here Diagnosis of Gasoline Engine System ※The data may vary depending on the vehicle options and the year the vehicle was manufactured It is a reference information only and should not be used as the absolute standard 176 Diagnosis of Gasoline Engine System Lecture Guide for Electronic Control Gasoline Engine DTCGasoline Engine Diagnosis Course Issued Date: Issue No.: Published by: Technical Training Center, Hyundai/KIA Motors 407-7 Yongdu-ri Byeongcheon-myeon, Cheonan, Chungcheongnam-do TEL: 82-41-559-2996~7 (main) Printed by: Sehwa Printing Shop TEL: 82-2-461-1616 (main) Ⓒ2011 BY KIA MOTORS COMPANY ALL RIGHTS RESERVED Distribution, duplication, and reproduction of part or all of the contents without agreement in any printing, copying, or recording methods is forbidden ... apply 제목 to the text that you want to appear here Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Error! Use the Home tab to apply 제목 to... appear here 22 Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System Error! Use the Home tab to apply 제목 to the text that you want to Diagnosis of Gasoline Engine System 1.2.2.1... here Diagnosis of Gasoline Engine System Cause and Analysis Why did the error occur? Analyze why such a symptom occurred 42 Diagnosis of Gasoline Engine System Diagnosis of Gasoline Engine System