IT92 – Auto I Career and Technical Education Course #: IT92 Course Name: Automotive Systems and Repair Prerequisites: None Grade Level: 9-12 Level of Difficulty: Average # of Credits: 2 semesters- 1 Credit The following is a Career and Technical Education (CTE) class under the Automotive Technologies Program. Automotive Units and Understanding Statements Unit 1: Introduction to Automotive Technologies Students will understand the emphasis of this course will be concepts related to brake, electrical/electronic, steering and suspension systems, along with engine diagnosis, all of which will be covered in depth throughout the Automotive Technologies program. Unit 2: Safety Students will understand the importance of, and their responsibility to consistently follow safe practices and procedures at all times in the auto shop. Unit 3: Tools and Technology Students will understand the appropriate and safe use and care of tools, correct nomenclature, and will know the correct application of hand and power tools, as well as diagnostic testing equipment. Unit 4: Building an Engine Students will learn how to identify and understand the basic parts of the internal combustion engine. Unit 5: Design and Construction of Engine and Engine Parts Students will understand that form follows function when designing engine parts. Unit 6: Engine Classification and Other Propulsion Systems Students will understand how engines and other propulsion systems operate. Unit 7: Engine Tests and Measurements Students will understand the various methods for measuring engine sizes and outputs. Unit 8: Lubrication Systems Students will learn and understand the function of the lubrication system. Unit 9: Cooling Systems Students will learn and understand the function of the cooling system. Unit 10: Fuel Supply and Delivery Students will learn the methods of fuel transfer to the engine and the principles of carburetion and fuel injection. Unit 11: Electricity and Electronics Students will understand the electrical and electronic fundamentals and their application to automotive systems. Unit 12: Ignition Systems Students will learn how induction is used to create high voltage from low voltage and various methods used to break the primary current. Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 1 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Automotive Units and Understanding Statements (cont.) Unit 13: Battery, Charging and Starting Systems Students will learn how to interpret battery, charging, and starting system concerns to determine necessary action. Unit 14: Exhaust and Emissions Systems Students will understand the function of the exhaust and emissions systems on modern automobiles. Unit 15: Brake Systems Students will understand the difference between drum and disk brakes and will also understand the anti-lock brake system (ABS), mechanical, hydraulic and power brake systems. Unit 16: Steering, Suspension, Wheels and Tires Students will understand the function and relationships between the steering, suspension, wheels and tires. Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 2 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education AZ COLLEGE AND CAREER READY ENGLISH LANGUAGE ARTS CONNECTIONS The following Reading and Speaking and Listening AZ College and Career Ready Standards are integrated as applicable in this course: Reading: Key Ideas and Details Standard 1: Cite specific textual* evidence to support analysis of science and technical texts, attending to the precise details of explanations or descriptions. Standard 3: Follow precisely a complex multistep procedure when carrying out experiments, taking measurements, or performing technical tasks attending to special cases or exceptions defined in the text. Craft and Structure Standard 4: Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in specific scientific or technical context relevant to grade specific text and topics. Standard 5: Analyze the structure of the relationships among concepts in a text, including relationships among key terms. Integration of Knowledge and Ideas Standard 9: Compare and contrast findings presented in a text to those from other sources (including their own experiments), noting when the findings support or contradict previous explanations or accounts. Speaking and Listening: Comprehension and Collaboration Standard 1: Initiate and participate effectively in a range of collaborative discussions (one-on-one, in groups, and teacher-led) with diverse partners on gradelevel topics, texts, and issues, building on others’ ideas and expressing their own clearly and persuasively. Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 3 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education IT92 – Auto I –Suggested Teaching Timeline First Semester August Unit 1: Introduction to Automotive Technologies Sept. Oct. Second Semester Nov. Dec. Jan. Feb. March April May 2.5 weeks Unit 2: Safety 2 weeks Unit 3: Tools and Technology 2.5 weeks Unit 4: Building an Engine 2 weeks Unit 5: Design and Construction of Engines and Engine Parts Unit 6: Engine Classification and Other Propulsion Systems 2 weeks 2 weeks Unit 7: Engine Tests and Measurements 2 weeks Unit 8: Lubrication Systems 2 weeks Unit 9: Cooling Systems 2 weeks Unit 10: Fuel Supply and Delivery Arizona Department of Education - Career and Technical Education Standards 2.5 weeks Arizona’s College and Career Ready Standards – ELA Technical Subjects 4 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education First Semester August Sept. Oct. Second Semester Nov. Dec. Unit 11: Electricity and Electronics Jan. Feb. March April May 3.5 weeks Unit 12: Ignition Systems 2 weeks Unit 13: Battery, Charging and Starting Systems 2 weeks Unit 14: Exhaust and Emissions Systems 2 weeks Unit 15: Brake Systems 3 weeks Unit 16: Steering, Suspension, Wheels and Tires Arizona Department of Education - Career and Technical Education Standards 1 week Arizona’s College and Career Ready Standards – ELA Technical Subjects 5 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 1: Introduction to Automotive Technologies Students will understand the emphasis of this course will be concepts related brake, electrical/electronic, steering and suspension systems, along with engine diagnosis, all of which will be covered in depth throughout the Automotive Technologies program. Knowledge and Skills Arizona CTE Standards Knowledge: This unit will provide students a first exposure to course content that will continue to be covered throughout the year including basics related to brake systems electrical/electronic systems steering and suspension systems engine diagnostics Note: IT92 Automotive Systems and Repair – Auto I will involve observation, identification, and inspection laboratory experiences. Diagnosis and repair experiences will follow in Auto II once the students have an understanding of the systems in automobiles, learned in this class. Many of the standards are written at a higher level than will be mastered in this class, but are still applicable from a knowledge perspective. Skills: In this brief course overview, students will: Locate and identify the components of: o Brake systems o Electrical/electronic systems o Steering and suspension systems o Engines and engine systems o Transmissions and drivetrain components (no standards provided) 1.0 2.0 3.0 4.0 Resources Syllabus, formatives, diagnostic assessments, summative assessments Computer lab Textbook, Automotive Fundamentals, GoodheartWillcox Teacher made worksheets CDX and ALLDATA software Industry produced videos Simulators Evaluate performance and implement brake repair Evaluate and implement repairs to electrical/electronic systems Perform repairs to steering and suspension systems Implement general engine performance diagnosis and repair Interpret and explain the information inherent to each identification number o VIN o Vehicle certification labels o Calibration decals Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 6 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 2: Safety Students will understand the importance of safe, secure, and reliable work environment in an auto shop. Knowledge and Skills Knowledge: Personal safety Safety practices for groups OSHA goals and requirements related to automotive technologies EPA goals and requirements related to automotive technologies MSDS goals and how the data is used in an auto shop Personal Protective Equipment (PPE) Arizona CTE Standards District requirements, no standards or measurement criteria are currently available from ADE. They will be included when they become available. Resources District safety study guides and safety assessments or industry equivalent Safety demos in lab Computer lab and CDX software Skills: Demonstrate personal and group safety practices Operate and maintain tools and equipment safely Dispose of waste materials properly Follow all guidelines outlined on chemicals used in the auto shop according to specifications on MSDS Recognize and avoid dangerous activities Explain safety rules Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 7 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 3: Tools and Technology Students will understand the appropriate and safe use and care of tools, correct nomenclature, and know the correct application of hand and power tools, and diagnostic testing equipment. Knowledge and Skills Knowledge: Difference between Society of Automotive Engineers (SAE) or “common” and metric measurements Correct application of measurement tools Proper use electronic diagnostic equipment Hardware designations, types, sizes, and use Arizona CTE Standards 1.0 2.0 3.0 4.0 Evaluate performance and implement brake repair Evaluate and implement repairs to electrical/electronic systems Perform repairs to steering and suspension systems Implement general engine performance diagnosis and repair Resources Tools and tool storage Computer lab, CDX, and ALLDATA Software Technical DVD’s Syllabus, formatives, diagnostic assessments, summative assessments Skills: Identify most common automotive tools for specified tasks or procedures as outlined in the Automotive Technology Standards Describe most commonly used measuring tool and test equipment Select appropriate tools for the given job Demonstrate the use of electronic diagnostic equipment Select specified hardware types and sizes Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 8 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 4: Building an Engine Students will learn how to identify and understand the basic parts of the internal combustion engine. Knowledge and Skills Knowledge: Identify the commonly used fuel types Parts of the internal combustion engine The difference between rotary, two cycle and four cycle engines Arizona CTE Standards 4.0 Skills: Identify and describe the function of the parts of an internal combustion engine Explain engine operating principals Describe the four stroke cycle, twostroke cycle, rotary, and the function of valve timing Arizona Department of Education - Career and Technical Education Standards Implement general engine performance diagnosis and repair 4.2 Research applicable vehicle and service information, such as engine management system operation, vehicle service history, service precautions, and technical service bulletins 4.3 Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals) Arizona’s College and Career Ready Standards – ELA Technical Subjects 9 Resources Chapter 1-3 in text, Automotive Fundamentals, Goodheart-Willcox Engine parts and components Syllabus, formatives, diagnostic assessments, summative assessments Computer lab, ALLDATA, and CDX software Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 5: Design and Construction of Engines and Engine Parts Students will understand that form follows function when designing engine parts. Knowledge and Skills Knowledge: The purpose of the material, shape, size and function of parts The relationship of individual engine components/parts/systems to all other components/parts/systems Arizona CTE Standards 4.0 Skills: Describe engine part design Understand exploded view drawings of an engine Understand 3-D view drawings of engine parts Explain the reasoning for the construction and purpose of engine components Identify engine parts and systems variations Arizona Department of Education - Career and Technical Education Standards Implement general engine performance diagnosis and repair 4.2 Research applicable vehicle and service information, such as engine management system operation, vehicle service history, service precautions, and technical service bulletins 4.3 Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals) Arizona’s College and Career Ready Standards – ELA Technical Subjects 10 Resources Chapter 2 in text, Automotive Fundamentals, Goodheart-Willcox Various engine parts and components Syllabus, formatives, diagnostic assessments, summative assessments Computer lab and CDX, and ALLDATA software Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 6: Engine Classification and Other Propulsion Systems Students will understand how engines and other propulsion systems operate. Knowledge and Skills Knowledge: Most common methods to classify engines by cycle, valve location, cylinder number and arrangement, type of fuel or power used, cooling system Fundamental principles behind alternative fuel vehicle propulsion systems Arizona CTE Standards 4.0 Implement general engine performance diagnosis and repair 4.2 Research applicable vehicle and service information, such as engine management system operation, vehicle service history, service precautions, and technical service bulletins 4.3 Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals) Resources Engine parts, used and new Computer lab, ALLDATA and CDX software Syllabus, formatives, diagnostic assessments, summative assessments Skills: Compare 4 stroke/2 stroke cycle engines Explain different engine classifications Describe operating principles of different types of engines Identify various types of propulsion systems used in alternative fuel vehicles Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 11 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 7: Engine Tests and Measurements Students will understand the various methods for measuring engine sizes and outputs. Knowledge and Skills Knowledge: The difference between horsepower and torque Displacement, compression ratio, volumetric efficiency Function of various precision measuring tools Arizona CTE Standards 4.0 Implement general engine performance diagnosis and repair Resources Chapter 6 in text, Automotive Fundamentals, Goodheart-Willcox Syllabus, formatives, diagnostic assessments, summative assessments Precision measuring tools Computer lab, CDX, and ALLDATA software, DVD’s Skills: Read a micrometer and vernier scale Calculate basic engine measurement problems involving displacement, compression ratios, and volumetric efficiency using both U.S. Standard and metric measures Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 12 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 8: Lubrication Systems Students will learn and understand the function of the lubrication system. Knowledge and Skills Knowledge: How oil affects operating temperature How the engine lubrication system functions Components of a vehicle that require lubrication Arizona CTE Standards 4.0 Implement general engine performance diagnosis and repair 4.2 Research applicable vehicle and service information, such as engine management system operation, vehicle service history, service precautions, and technical service bulletins 4.4 Inspect engine assembly for fuel, oil, coolant, and other leaks; determine necessary action Resources Chapter 12 from text, Automotive Fundamentals, Goodheart-Willcox Syllabus, formatives, diagnostic assessments, summative assessments Assortment of lubrication system components Computer lab, CDX, and ALLDATA software, DVD’s Skills: Identify the basic parts of a lubrication system Identify all components of a vehicle that require lubrication Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 13 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 9: Cooling Systems Students will learn and understand the function of the cooling system. Knowledge and Skills Knowledge: How coolant affects operating temperature How the cooling system functions Arizona CTE Standards 4.0 Skills: Identify the basic parts of a cooling system Describe the function of the cooling system Arizona Department of Education - Career and Technical Education Standards Implement general engine performance diagnosis and repair 4.2 Research applicable vehicle and service information, such as engine management system operation, vehicle service history, service precautions, and technical service bulletins 4.3 Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals) 4.61 Inspect and test mechanical/electrical fans, fan clutch, fan shroud/ducting, air dams, and fan control devices; perform necessary action Arizona’s College and Career Ready Standards – ELA Technical Subjects 14 Resources Chapter 11 from text, Automotive Fundamentals, Goodheart-Willcox Syllabus, formatives, diagnostic assessments, summative assessments Assortment of lubrication system components Computer lab, CDX and ALLDATA software, DVD’s Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 10: Fuel Supply and Delivery Students will learn the methods of fuel transfer to the engine and the principles of carburetion and fuel injection. Knowledge and Skills Knowledge: Safe handling of fuels and fuel systems Fuel tank construction, fuel filter types and fuel pumps Bernoulli principal and the function of carburetor circuits Fuel injector construction and operation Rich, lean and stoichiometric* (fuelair) mixtures Advantages and disadvantages of turbochargers and superchargers Arizona CTE Standards 4.0 Implement general engine performance diagnosis and repair 4.37 Inspect and test fuel pumps and pump control systems for pressure, regulation and volume; perform necessary action. 4.40 Inspect throttle body, air induction system, intake manifold and gaskets for vacuum leaks and/or unmetered air. 4.41 Inspect and test fuel injectors Resources Chapter 9 and 10 from text, Automotive Fundamentals, Goodheart-Willcox Assortment of fuel system circuits components Computer lab and software Syllabus, formatives, diagnostic assessments, summative assessments Skills: Describe components of various fuel supply systems Explain the function of fuel system components Identify the basic parts and circuits of the carburetor Explain the parts and function of a fuel injector system Summarize the operating principles of the gasoline and diesel injection systems Describe the differences between naturally aspirated and forced induction systems *Note: Stoichiometric mixtures are an "ideal" fuel/air mixture in which both the fuel and the oxygen in the air are completely consumed Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 15 Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 11: Electricity and Electronics Students will understand the electrical and electronic fundamentals and their application to automotive systems. Knowledge and Skills Knowledge: Principles of : o Alternating Current (AC) o Direct Current (DC) o Circuits o Voltage o Continuity o Resistance o Power o Ohms Law o Watts Law Functions of: o Circuit breakers o Fusible links o Induction solenoids o Relays o Electric motors Understand static induction Arizona CTE Standards 2.0 Skills: Calculate Ohms Law and Watts Law problems Name the values used to measure electricity Explain the difference between AC and DC electricity List and describe the basic types of electrical circuits Explain the effects of magnetism Describe the function of electrical and electronic components Identify electrical symbols Identify the components of electric and or hybrid electric vehicles Arizona Department of Education - Career and Technical Education Standards Evaluate and implement repairs to electrical/electronic systems 2.1 Identify and interpret electrical/electronic system concern; determine necessary action 2.4 Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits using principles of electricity (Ohm’s Law) 2.5 Use wiring diagrams during diagnosis of electrical circuit problems 2.6 Demonstrate the proper use of a digital multi meter (DMM) during diagnosis of electrical circuit problems 2.7 Check electrical circuits with a test light; determine necessary action 2.10 Check continuity and measure resistance in electrical/electronic circuits and components using an ohmmeter; determine necessary action 2.14 Inspect and test fusible links, circuit breakers, and fuses; determine necessary action 2.15 Inspect and test switches, connectors, relays, solid state devices, and wires of electrical/electronic circuits; perform necessary action 2.28 Identify high voltage circuits of electric or hybrid electric vehicles and related safety precautions Arizona’s College and Career Ready Standards – ELA Technical Subjects 16 Resources Text chapter 7, Automotive Fundamentals, Goodheart-Willcox Assortment of electrical and electronic components Test Equipment – power sources Computer lab, CDX, EKI, ALLDATA Software Syllabus, formatives, diagnostic assessments, summative assessments Calculators Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 12: Ignition Systems Students will learn how induction is used to create high voltage from low voltage and various methods used to break the primary current. Knowledge and Skills Knowledge: Principals of: o Induction o Breaker points o Electronic ignition o Direct ignition o Cam position sensors o Spark advance mechanisms o Spark plug types o Secondary ignition systems Skills: Explain the function of the ignition coil Describe the primary and secondary circuits of an ignition system Describe the construction of ignition system components Describe the differences between mechanical and electronic ignition systems Explain test procedures for ignition system components Arizona CTE Standards 2.0 Evaluate and implement repairs to electrical/electronic systems 2.4 Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits using principles of electricity (Ohm’s Law) 4.0 Implement general engine performance diagnosis and repair 4.2 Research applicable vehicle and service information, such as engine management system operation, vehicle service history, service precautions, and technical service bulletins 4.29 Inspect and test ignition primary circuit wiring and solid state components; perform necessary action 4.30 Inspect, test and service distributor 4.31 Inspect and test ignition primary circuit wiring and solid state components; perform necessary action 4.32 Inspect and test ignition coil(s); perform necessary action 4.34 Inspect and test ignition system secondary circuit wiring and components; perform necessary action Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 17 Resources Text chapter 8 Automotive Fundamentals, Goodheart-Willcox Assortment of ignition system components Computer lab and software Syllabus, formatives, diagnostic assessments, summative assessments Computer lab, CDX, EKI, ALLDATA Software Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 13: Battery, Charging and Starting Systems Students will learn how to interpret battery, charging, and starting system concerns to determine necessary action. Knowledge and Skills Knowledge: Procedures for testing and servicing battery, charging and starting system components Procedures to replace and repair battery, charging, and starting system components Proper procedure for jump starting a car Arizona CTE Standards 2.0 Skills: Describe use of a load tester Describe servicing of battery, charging and starting system components Describe usage of battery charger Describe how to use jumper cables Determine alternator output using a voltmeter Repair and replace connectors and terminal ends Solder repair electrical wiring Arizona Department of Education - Career and Technical Education Standards Evaluate and implement repairs to electrical/electronic systems 2.3 Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals) 2.6 Demonstrate the proper use of a digital multimeter (DMM) during diagnosis of electrical circuit problems 2.14 Inspect and test fusible links, circuit breakers, and fuses; determine necessary action 2.15 Inspect and test switches, connectors, relays, solid state devices, and wires of electrical/electronic circuits; perform necessary action 2.16 Remove and replace terminal end from connector 2.17 Repair connectors and terminal ends 2.19 Perform solder repair of electrical wiring 2.20 Identify location of hybrid vehicle high voltage circuit disconnect (service plug) location and safety procedures 2.27 Start a vehicle using jumper cables and a battery or auxiliary power supply 2.28 Identify high voltage circuits of electric or hybrid electric vehicles and related safety precautions 2.30 Identify hybrid vehicle auxiliary (12v) battery service, repair and test procedures Arizona’s College and Career Ready Standards – ELA Technical Subjects 18 Resources Applicable tools and test equipment CDX, AllData, and EKI Software, Repair manual Syllabus, formatives, diagnostic assessments, summative assessments Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 14: Exhaust and Emissions Systems Students will understand the function of the exhaust and emissions systems on modern automobiles. Knowledge and Skills Knowledge: The purpose of the exhaust and emission control system components Function of a muffler Function of the catalytic converter Arizona CTE Standards 4.0 Skills: Locate exhaust and emissions systems components Explain the rationale for mandated emissions systems Arizona Department of Education - Career and Technical Education Standards Implement general engine performance diagnosis and repair 4.2 Research applicable vehicle and service information, such as engine management system operation, vehicle service history, service precautions, and technical service bulletins 4.3 Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals) 4.6 Diagnose abnormal exhaust color, odor, and sound; determine necessary action 4.43 Inspect the integrity of the exhaust manifold, exhaust pipes, muffler(s), catalytic converter(s), resonator(s), tail pipe(s), and heat shield(s); perform necessary action 4.47 Inspect, test and service positive crankcase ventilation (PCV) filter/breather cap, valve, tubes, orifices, and hoses; perform necessary action 4.49 Inspect, test, service and replace components of the EGR system, including EGR tubing, exhaust passages, vacuum/pressure controls, filters and hoses; perform necessary action 4.52 Inspect and test mechanical components of secondary air injection systems; perform necessary action 4.53 Inspect and test electrical/electronically-operated components and circuits of air injection systems; perform necessary action 4.54 Inspect and test catalytic converter performance 4.56 Inspect and test components and hoses of evaporative emissions control system; perform necessary action 4.64 Identify hybrid vehicle internal combustion engine service precautions Arizona’s College and Career Ready Standards – ELA Technical Subjects 19 Resources Chapter 13 and 14 from text Automotive Fundamentals, Goodheart-Willcox Assortment exhaust and emissions system components Computer lab and software, CDX, AllData Syllabus, formatives, diagnostic assessments, summative assessments Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 15: Brake Systems Students will understand the ABS, mechanical, hydraulic and power brake systems and the difference between drum and disk brakes. Knowledge and Skills Knowledge: Principles of: o Hydraulic theory o Leverage o Pascal’s Law* o Antilock brake system o Disk and drum brakes o Power brake system o Master cylinders o Wheel cylinders o Caliper functions How changing tires and wheels affect brake system functions Skills: Describe the principles of the hydraulic system operation Identify the parts of brake systems Explain the differences between drum and disk brakes Describe the principles of vacuum power brakes Describe the function of an antilock brake system (ABS) List safety hazards and precautions in brake system repairs *Note: Pascal’s law states the principle of transmission of fluid pressure Arizona CTE Standards 1.0 Evaluate performance and implement brake repair 1.1 Identify and interpret brake system concern; determine necessary action 1.3 Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, calibration decals) 1.4 Diagnose pressure concerns in the brake system using hydraulic principles (Pascal’s Law) 1.9 Inspect brake lines, flexible hoses, and fittings for leaks, dents, kinks, rust, cracks, bulging or wear; tighten loose fittings and supports; determine necessary action 1.11 Select, handle, store, and fill brake fluids to proper level 1.12 Inspect, test, and/or replace metering (hold-off), proportioning (balance), pressure differential and combination valves 1.13 Inspect, test, and adjust height (load) sensing proportioning valve. 1.14 Inspect, test, and/or replace components of brake warning light system 1.23 Install, check, and adjust wheel, torque lug nuts 1.37 Inspect the vacuum-type power booster unit for vacuum leaks; inspect the check valve for proper operation; determine necessary action 1.38 Inspect and test hydraulically assisted power brake systems for leaks and proper operation; determine necessary action 1.49 Identify and inspect antilock brake system (ABS) components; determine necessary action. 1.57 Identify traction control/vehicle stability control system components Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 20 Resources Chapter 23 from text Automotive Fundamentals, Goodheart-Willcox Assortment of brake system components Syllabus, formatives, diagnostic assessments, summative assessments Computer lab, CDX, ALLDATA, software Board Approved – December 9, 2014 IT92 – Auto I IT92 – Auto I Career and Technical Education Unit 16: Steering, Suspension, Wheels and Tires Students will understand the function and relationships between the steering, suspension, wheels and tires. Knowledge and Skills Arizona CTE Standards Knowledge: Differences between: o Rack and pinion vs. pitman arm steering o Shock absorber vs. McPherson struts and functions thereof o The three types of suspension springs Tire size nomenclature Wheel construction and materials Suspension components and their functions Steering components and their functions 3.0 Perform repairs to steering and suspension systems 3.1 Identify and interpret suspension and steering concern; determine necessary action 3.3 Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, calibration decals) 3.9 Inspect steering shaft universal-joint(s), flexible coupling(s), collapsible column, lock cylinder mechanism, and steering wheel; perform necessary action 3.12 Inspect and replace manual or power rack and pinion steering gear inner tie rod ends (sockets) and bellows boots. 3.19 Inspect and replace power steering hoses and fittings 3.20 Inspect and replace pitman arm, relay (center link/intermediate) rod, idler arm and mountings, and steering linkage damper 3.21 Inspect, replace, and adjust tie rod ends (sockets), tie rod sleeves, and clamps. 3.23 Inspect and test non-hydraulic electric power assist steering 3.24 Identify hybrid vehicle power steering system electrical circuits, service and safety precautions 3.65 Inspect tire and wheel assembly for air loss; perform necessary action Skills: Locate and Identify steering system and suspension components and their functions Explain tire / wheel size designations Describe basic wheel rim design and construction Arizona Department of Education - Career and Technical Education Standards Arizona’s College and Career Ready Standards – ELA Technical Subjects 21 Resources Chapter 24 - 26 from text Automotive Fundamentals, Goodheart-Willcox Assortment of steering system and suspension components Assortment of tires and wheel Computer lab and software, CDX, AllData Syllabus, formatives, diagnostic assessments, summative assessments Board Approved – December 9, 2014 IT92 – Auto I