2汽車專業(yè)英語課件-維護修理部分修改后section chapter9

1、復(fù)習(xí)提問（教師說發(fā)動機漢語部件名稱，同學(xué)回答英文名稱）用英語說明內(nèi)燃機分類方式和類別學(xué)習(xí)內(nèi)容本章學(xué)習(xí)內(nèi)容、目標和重點難點學(xué)習(xí)目標難點重點Chapter 8 Reading Repair Manuel ：Diagnosing Procedure,How to Read and Use Wiring Diagrams, and to Read Technical Service Bulletin 1.掌握發(fā)動機電控、變速器電控、HEV系統(tǒng)診斷程序；電路圖閱讀和使用方法；2. 掌握重要的的英文故障術(shù)語1.重點：診斷程序2.難點：專業(yè)術(shù)語Chapter 9 Reading Repair Manuel

2、9.1 Diagnostic Procedure of Engine Computer Systems 9.2 Diagnosing Automatic Tansaxle（A541E） 9.3 Hybrid Electric Vehicle Maintenance and Service 9.4 How to Read and Use Wiring Diagrams 9.5 How to read technical service bulletin New Words and PhrasesChapter 9 Reading Repair Manuel 9.3 Hybrid Electric

3、 Vehicle Maintenance and Service immenselyimensliad.極大地，廣大地，無限地outperformsatpf:mv.（機器等）性能比好，勝過de-energizev.去能，斷電inadvertentindv:tnta.不經(jīng)意的，粗心大意linesmanlainzmnn.架線工subscriptionsbskripnn.訂閱購，預(yù)訂upwards of超過take steps + inf采取措施（做）freeze frame凍結(jié)數(shù)據(jù)幀 Stealth or Quiet Mode Care should be taken when driving a

4、 Toyota/Lexus hybrid in and around the shop because they can be driven using electric power only. That means it can be in a bay ready to go, with the engine ready to start up, but all the while it is perfectly silent. Known as stealth or quiet mode, this means that the vehicle can be moving yet no s

5、ound will be heard. Customers or employees can easily walk in front of the vehicle without warning due to the silence of the vehicle.Most routine service work of a Toyota/Lexus hybrid, such as wheel alignments, suspension work, exhaust system, and other routine under-vehicle repairs, is similar to c

6、onventional vehicles.Chapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and ServiceChapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Service Depowering the High-voltage SystemThe high-voltage system on a Toyota hybrid electric vehicle can produce upward

7、s of 650 volts. Incorrect handling of high-voltage circuits can cause severe burns or electric shock that could result in serious injury or death. Service on the high-voltage system should always start with steps to manually depower the system.The following steps must be performed prior to servicing

8、 the high-voltage system on a Toyota hybrid electric vehicle:Chapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Service 1. Turn the ignition system OFF and secure the key on your person or in a special lock box. If the vehicle uses a smart key, secure it at least 15 feet fro

9、m the vehicle to prevent inadvertent starting.2. Disconnect the negative battery cable from the auxiliary battery. This provides an extra margin of safety when dealing with the HV system.3. While wearing high-voltage linesmans gloves with leather outer gloves, remove the orange service plug. As an e

10、xtra precaution, place a strip of electrical tape across the service plug socket in the HV battery case to prevent objects from entering the cavity. Chapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Service 4. Take steps to make sure that the service plug cannot be installe

11、d by another service technician while you are servicing the vehicle. This can be done by securing the service plug on your person or in a special lock box.5. After removing the service plug, wait 5 minutes before touching any part of the high-voltage system. Verify that the system is de-energized by

12、 measuring system voltage with a digital multimeter (DMM). After disconnecting a high-voltage connector or terminal, be sure to wrap it with electrical tape.Chapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Service More Information Is Available in the Freeze FrameWhenever s

13、canning a Toyota hybrid electric vehicle for codes, be sure to look for freeze frames that are attached to any DTCs that are found. A freeze frame will have a great deal more information that can help immensely with diagnosis. Freeze frames can be used with many different types of DTCs, including th

14、ose related to the hybrid high-voltage system.Chapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Service Testing For Proper Insulation The Toyota Hybrid System monitors the voltage on the body and will disconnect the high-voltage source if a fault is indicated. A special tes

15、ter, such as the Fluke model 1587, is required to test if any of the high-voltage circuits are making contact with the body or ground of the vehicle. This procedure would only be necessary in the event of a collision to be sure that there is no electrical connection between the body and the high-vol

16、tage components or circuits before restoring the high-voltage connections. Chapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Service Scan ToolWhile some aftermarket scan tools can access hybrid PIDs and DTCs and perform some bi-directional tests, there is nothing that outpe

17、rforms the factory scan tool for the specific vehicle. Toyotas Diagnostic Tester will access all available vehicle information and perform all diagnostic testing on the Toyota Hybrid System. Chapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Service Service InformationThe mo

18、st comprehensive information available for diagnosis and repair of Toyota/Lexus vehicles is available online at the Technical Information System (TIS). This is a subscription-level service that can be purchased for 24-hour, 1-month, or 1-year periods. Toyota/Lexus service information can be accessed

19、 at .Many diagnostic trouble codes found on hybrid electric vehicles are unique and often contain letters where only numbers are usually found. See the following chart for an example of selected Toyota Prius DTCs. Chapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Service Pr

20、ius Diagnostic Trouble Code Chart Hybrid Battery SystemP0560 System voltagePOA1F Battery energy control modulePOA7F Hybrid battery pack deteriorationPOA80 Replace hybrid battery packPOA81 Hybrid battery pack cooling fan 1POA82 Hybrid battery pack cooling fan 1POA85 Hybrid battery pack cooling fan 1POA95 High-voltage fusePOA9B Hybrid battery temperature sensor circuitPOAAC Hybrid battery pack air temperature sensor A circuitChapter 9 Reading Repair Manuel 9.3 Hybrid Electric Vehicle Maintenance and Serv