MINISTRY OF EDUCATION AND TRAINING HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION FACULTY FOR HIGH QUALITY TRAINING GRADUATION PROJECT AUTOMOTIVE ENGINEERING USING TECHSTREAM SOFTWARE TO DIAGNOSE TOYOTA ENGINE OPERATION LECTURER: PH. DO QUOC AM STUDENT: VU BINH CHANH LE HONG HIEU SKL010464 Ho Chi Minh City, December 2022 HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION FACULTY FOR HIGH QUALITY TRAINING GRADUATION PROJECT USING TECHSTREAM SOFTWARE TO DIAGNOSE TOYOTA ENGINE OPERATION Vu Binh Chanh Student ID: 18145004 Le Hong Hieu Student ID: 18145017 Major: AUTOMOTIVE ENGINEERING Advisor: ĐỖ QUỐC ẤM, PhD. Ho Chi Minh City, December 2022 HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION FACULTY FOR HIGH QUALITY TRAINING GRADUATION PROJECT USING TECHSTREAM SOFTWARE TO DIAGNOSE TOYOTA ENGINE OPERATION Vu Binh Chanh Student ID: 18145004 Le Hong Hieu Student ID: 18145017 Major: AUTOMOTIVE ENGINEERING Advisor: ĐỖ QUỐC ẤM, PhD. Ho Chi Minh City, December 2022 THE SOCIALIST REPUBLIC OF VIETNAM Independence – Freedom– Happiness -------- Ho Chi Minh City, December 24, 2022 GRADUATION PROJECT ASSIGNMENT Students: Vu Binh Chanh Student ID: 18145004 Le Hong Hieu Student ID: 18145017 Major: Automotive Engineering Class: 18145CLA Advisor: Ph.D Do Quoc Am Faculty: Faculty high quality 1.
Project title: Using Techstream software to diagnose Toyota engine operation 2. Content: Using Techstream software to diagnose Toyota engine operation 3. Products of project: 4. Final product: CHAIR OF THE PROGRAM ADVISOR (Sign with full name) (Sign with full name) THE SOCIALIST REPUBLIC OF VIETNAM Independence – Freedom– Happiness -------- Ho Chi Minh City, December 24, 2022 ADVISOR’S EVALUATION SHEET Students: Vu Binh Chanh MSSV: 18145004 Le Hong Hieu MSSV: 18145017 Major: Automotive Engineering Project title: Using Techstream software to diagnose Toyota engine operation Advisor: Ph.D Do Quoc Am EVALUATION 1.
Content of the project:. Approval for oral defense? (Approved or denied) .) Ho Chi Minh City, December 24, 2022 ADVISOR (Sign with full name) THE SOCIALIST REPUBLIC OF VIETNAM Independence – Freedom– Happiness -------- Ho Chi Minh City, December 24, 2022 PRE-DEFENSE EVALUATION SHEET Students: Vu Binh Chanh MSSV: 18145004 Le Hong Hieu MSSV: 18145017 Major: Automotive Engineering Project title: Using Techstream software to diagnose Toyota engine operation Name of Reviewer:. Content and workload of the project. Approval for oral defense? (Approved or denied) .) Ho Chi Minh City, December 24, 2022 REVIEWER (Sign with full name) THE SOCIALIST REPUBLIC OF VIETNAM Independence – Freedom– Happiness -------- Ho Chi Minh City, December 24, 2022 EVALUATION SHEET OF DEFENSE COMMITTEE MEMBER Students: Vu Binh Chanh MSSV: 18145004 Le Hong Hieu MSSV: 18145017 Major: Automotive Engineering Project title: Using Techstream software to diagnose Toyota engine operation Name of Defense Committee……………………………………………………………………: EVALUATION 1.
Content and workload of the project .) Ho Chi Minh City, December 24, 2022 COMMITTEE MEMBER (Sign with full name) Disclaimer I hereby declare that this graduation project with the title " Using TECHSTREAM Software to Diagnose Toyota Engine Operation" is my own independent research. At the same time, the data provided from the report is all from the school, which is a completely honest research result, not copied from any other research work. All sources cited have been cited. I would like to take full responsibility before the school if any errors or copying problems are discovered in this topic.
Acknowledgements During the process of implementing the project, although the team of the topic met many difficulties but with the enthusiastic and sincere help from our teachers, friends and family the project has been completed well. Sincerely thank Mr.Do Quoc Am for his enthusiasm guide and help us in the process of doing the project. Thank you to the Department of Automotive Engine create conditions for us to have the workshop and necessary equipment and machines to be able to complete the design of the project on schedule, as well as help and care about us a lot. Thank you to the teachers in the Faculty of Vehicle and Energy Engineering, for your interest help and contribute ideas in the implementation of the topic.
Thank you to friends for helping the group throughout the process implementation of the topic. Table of Contents CHAPTER 1: INTRODUCTION. The Reason to Choose a Project. Objective of Project.
1 CHAPTER 2: LITERATURE REVIEW &. Theoretical Basis of On-Board Diagnostics. Diagnostic Steps and Procedures. The 6-Step Diagnostic.
DTC Check Operation Flow. What is TECHSTREAM Software?. What Car Models Are Supported by TECHSTREAM Software? .2 The Advantages Of TECHSTREAM Software. The Functions of TECHSTREAM Software.
Trouble Codes Type 1. Trouble Codes Type 2 and Type 3. Freeze Frame Data Display. Single Freeze Frame Data.
Multi Freeze Frame Data. Active Test Selection. Active Test Control. Select Customize Function.
Customize Parameter Select. 22 CHAPTER 3 ENGINE CONTROL SYSTEM THEORY. Introduction of Engine Control System. Oxygen Sensor and Air/Fuel Sensor Theory.
Oxygen Sensor Operation and Oxygen Sensor Heater. Oxygen Sensor Operation. Oxygen Sensor Heater. Air/Fuel Sensor Operation and Air/Fuel Sensor Heater.
Air/Fuel Sensor Operation. Air/Fuel Sensor Heater. Mass Air Flow Sensor Theory. Mass Air Flow Theory Operation.
Mass Air Flow Circuit. Throttle Position Sensor Theory. Dual Output Contact Type TPS Operation. Dual Output Non-Contact Type TPS Operation.
Engine Coolant Temperature Theory. Fuel System Diagnosis. Fuel System Overview. Review of Injection Duration Theory.
Oxygen Feedback Correction. Fuel Trim Impact on Injection Duration. How Short Fuel Trim Works. How Long Fuel Trim Works.
Closed Loop Systems. Closed Loop Fuel Control. Closed Loop Operation. Close Loop Control Quick Check.
Effects of Incorrect Closed Loop Control. Open Loop System. Engine Misfire Diagnosis. Misfire Monitor Types A and B.
Misfire Monitor Type A. Misfire Monitor Type B. 1998 and Earlier Models. 1999 and Later Models.
Misfire Data List. Multiple Cylinder Misfire Diagnosis. 51 CHAPTER 4: EXPERIMENT RESULTS. Observing The Change in Output Values Using Data List.
Data List of 2AR-FE Gasoline Engine. When Engine Is Idling. When Engine Operate at 2000 RPM. Data List of 2KD-FTV Diesel Engine.
When Ignition ON. When Engine Is Idling. Using Active Test to Check Actuators of 2AR-FE Engine. Active Test with Fuel Pump.
Active Test with Control the Select Cylinder Fuel Cut.1 Control The 2AR-FE Gasoline Engine's Select Cylinder Fuel Cut. Control The 2KD-FTV Diesel Engine's Select Cylinder Fuel Cut. Control The 2AR-FE Gasoline Engine's All Cylinder Fuel Cut. Active Test with Control VVT Linear.
Active Test with Control the Injection Volume for A/F Sensor. Outputs Value When the Injection Volume Is 0%. Outputs Value When the Injection Volume Is -12. Outputs Value When the Injection Volume Is +12.
Fault Simulation in Internal Combustion Engine Control System. Checking The Operation of the Oxygen Sensor. Oxygen Sensor Feedback When Normal Operating Condition. Oxygen Sensor Feedback When Rich Mixture.
Oxygen Sensor Feedback When Lean Mixture. A Situation Rich Fuel Involve the Brake System. Checking The Operation of Throttle Position Sensor. Throttle Position Sensor When Normal Operating Condition.
Throttle Position Sensor When Is Disconnected. Checking The Operation of the Engine Coolant Temperature Sensor. Engine Coolant Temperature When Normal Operating Condition .2 Engine Coolant Temperature When Is Disconnected. Checking The Operation of the Mass Air Flow Sensor.
Mass Air Flow Sensor When Normal Operating Condition. Mass Air Flow Sensor When Is Disconnected. The Simulation Misfire Operation. Data List of the Engine When It Has Misfire.
Monitor Screen of Misfire. 108 List of Figures Figure 2. The 6 Steps Diagnostic Process. DTC Check Flow.
Diagnosis Screen Trouble Code Type 1. Diagnosis Screen Trouble Code Type 2. Diagnosis Screen Trouble Code Type 3. Active Test Selection Dialog.
Active Test Control (ON/OFF Type Control). Active Test Control (Slide Type Control). Active Test Control (Stepped Type Control). Engine Control System.
Oxygen Sensor and Air/Fuel Sensor Positions. Oxygen Sensor Construction and Output Voltage. Oxygen Sensor Heater. Air/Fuel Sensor Construction and Sensor Voltage.
A/F Sensor Operation When Air/Fuel is at Stoichiometric. A/F Sensor Operation When Air/Fuel is Lean. A/F Sensor Operation When Air/Fuel is Rich. Air/Fuel Sensor Heater Operation.
Mass Air Flow Sensor. Mass Air Flow Circuit. Contact Type Throttle Position Sensor Operation. Non-Contact Type Throttle Position Sensor Operation.
Engine Coolant Temperature Sensor Operation. Injection Duration Calculation. Oxygen Sensor Feedback Correction. Closed Loop Operation.
Open Loop Operation. Multiple Cylinder Misfire Diagnosis. Data List When Idling. Data List at 2000 RPM.
Data List When Ignition ON. Data List When Idling. Active Test Fuel Pump. Before and After Active Fuel Pump.
Active Test with Control the Select Cylinder Fuel Cut. Before Active Test. After Active Test. Active Test Select Cylinder Fuel Cut.
Before and After Active Test. Active Test the All Cylinder Fuel Cut. Active Test the VVT Linear with 10% and 30%. When Injection Volume 0%.
When Injection Volume Is -12. When Injection Volume Is +12. When Normal Operating Condition. Reducing The Cross-Section of the Intake Pipe.
Output Signals When Rich Mixture. Disconnecting the PCV Valve On the Intake Manifold. Output Signals When Lean Mixture. Data List of Camry 2015 When Has Trouble.
Vacuum Brake Booster. Vacuum Brake Booster Operation. The Problem of Vacuum Brake Booster. After Replace Vacuum Brake Booster.
Throttle Position Sensor When Normal Operating Condition. Diagnostic Codes and Output Signals When Is Disconnected. Throttle Position Sensor Wiring Diagram. Throttle Position Sensor Circuit.
Engine Coolant Temperature When Normal Operating Condition. Diagnostic Codes and Output Signal When Is Disconnected. Engine Coolant Temperature Sensor Wiring Diagram. Engine Coolant Temperature Circuit.
Mass Air Flow Sensor When Normal Operating Condition. Diagnostic Codes and Output Signals When Is Disconnected. Mass Air Flow Sensor Wiring Diagram. Mass Air Flow Sensor Circuit.
IAT Output Signal When Is Disconnected. Data List When the Engine Has Misfire (The Condition Without Load). Data List When RPM Goes Up (The Condition With Load). Monitor Misfire Test Table 1.
Monitor Misfire Test Table 2 and 3. 105 List of Tables Table 1 Content and display information of items in Data list……………………………….…53 Table 2 The Function Of Active Test………………………………………………………….63 Abstract In this topic, we concentrate on understanding the key TECHSTREAM features that support engine diagnostics, such as Active Test, Data List, and Trouble Codes services. From there, it aids in our research into how the software interacts with the vehicle and how its capabilities may influence the vehicle. We can then combine this information with our fundamental understanding of the engine control system to master diagnostic procedures for the engine control system.
The Reason to Choose a Project Since opening up for integration and adopting a socialist-oriented market economy, our country's economy has achieved significant strides. And now that our nation has joined the WTO, there are additional chances for economic progress. As our country's economy grows, so must the transportation industry in order to satisfy the growing need for carrying commodities and passengers. There are several modes of transportation available to accommodate that need, including road, air, and sea travel.
Among these modes of transportation, road transport is the most developed and serves the majority of demand. The economy's transportation demand Cars are the mode of transportation on the road. As a result, the quantity and variety of automobiles in our nation have expanded dramatically in recent years. There will be damage phenomena that impact the transportation capacity of automobiles when cars operate over time.
To combat this, inspection, maintenance, and repair work must be performed on vehicles during normal operation.