VERNON COLLEGE SYLLABUS. DIVISION: Information & Industrial Technology DATE: Fall 2010

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1 VERNON COLLEGE SYLLABUS DIVISION: Information & Industrial Technology DATE: Fall 2010 CREDIT HRS: 4 HRS/WK LEC: 3 HRS/WK LAB: 3 LEC/LAB: 6 I. CATALOG DESCRIPTION: Theory, operation, diagnosis, and repair of basic engine dynamics, ignition systems, and fuel delivery systems. Use of basic engine performance diagnostic equipment. May be taught manufacturer specific. Prerequisite: AUMT Lab Fee: $24.00; Special Fee: $50.00 II. REQUIRED BACKGROUND: Prerequisite: AUMT 1407 III. TEXTS, OTHER REFERENCE MATERIALS: Automotive Engine Performance/Today's Technician, by Ken Pickerill. Delmar Publishing, Fifth Edition IV. METHODS OF INSTRUCTION: The classroom lecture will cover the outcomes and tasks of this course. Filmstrip, slides, overhead projectors, and blackboard will be used to supplement the lectures. Laboratory time will be spent with demonstrations and applications of materials covered with the classroom lecture. Students desiring auxiliary aids and services for this course should make their requests to the instructor and the Special Services Director. V. COURSE CONTENT: 1. Basic Theories 2. Safety Practices 3. Engine Design and Operation 4. Engine Cooling and Lubrication Systems 5. Intake and Exhaust Systems 6. Introduction to Engine Tune-Up 7. Battery, Starting, and Charging Systems 8. Computers and Input Sensors 9. Ignition Systems

2 PAGE 2 VERNON COLLEGE SYLLABUS 10. Fuel Tanks, Lines, Filters, and Pumps 11. Conventional and Computer Controlled Carburetors 12. Electronic Fuel Injection 13. Idle Speed Control Systems 14. Exhaust Gas Recirculation, Secondary, Air Injection, and Evaporative Emission Control Systems 15. Positive Crankcase Ventilation, Spark Timing Control, and Intake Manifold Heath Control Systems 16. Vehicle Emissions, Infrared Analyzers, Engine Analyzers, and Oscilloscopes 17. Turbochargers and Superchargers VI. LEARNER OUTCOMES: 1. BASIC THEORIES A. Upon completion and review of Basic Theories, the students should be able to: 1. Define atoms and elements. 2. Define compounds and molecules. 3. Describe the parts of an atom. 4. Explain how electrons move through an electric circuit. 5. Explain the difference between conductors, semiconductors, and insulators. 6. Define volts, amperes, and ohms. 7. Describe voltmeter, ammeter, and ohmmeter connections to electric circuits. 8. Use Ohm's law formula to calculate volts, amperes, or ohms in a circuit. 9. Explain the differences between series, parallel, and series-parallel circuits. 10. Define open, grounded, and shorted conditions in electric circuits. 11. Define an electromagnet. 12. Describe an open, grounded, or shorted condition in an electromagnet. 13. Explain electromagnetic inductions. 14. Describe the operation of a diode on forward and reverse bias. 15. Explain the operation of a transistor. 16. Describe briefly how an integrated chip is manufactured. 17. Explain Newton's Laws of Motion. 18. Define work and force. 19. List the most common types of energy and energy conversions. 20. Define inertia and momentum. 21. Explain friction.

3 PAGE 3 VERNON COLLEGE SYLLABUS 22. Define mass, weight, and volume. 23. Define power. 24. Explain the compressibility of gases and the non-compressibility of liquids. 25. Describe atmospheric pressure and vacuum. 26. Explain venture operation 2. SAFETY PRACTICES A. Upon completion and review of Safety Practices, the students should be able to: 1. Recognize shop hazards and take the necessary steps to avoid personal injury or property damage. 2. Explain the purposes of the Occupational Safety and Health Act. 3. Identify the necessary steps for personal safety in the automotive shop. 4. Describe the reasons for prohibiting drug and alcohol use in the shop. 5. Explain the steps required to provide electrical safety in the shop. 6. Define the steps required to provide safe handling and storage of gasoline. 7. Describe the necessary housekeeping safety steps. 8. Explain the essential general shop safety practices. 9. Define the steps required to provide fire safety in the shop. 10. Describe typical fire extinguisher operating procedure. 11. Explain four different types of fires, and the type of fire extinguisher required for each type of fire. 12. Describe three other pieces of shop safety equipment other than fire extinguishers. 13. Follow proper safety precautions while handling hazardous waste materials. 14. Dispose of hazardous waste materials in accordance with state and federal regulations. 3. ENGINE DESIGN AND OPERATION A. Upon completion and review of Engine Design and Operation, the students should be able to: 1. Define six methods of engine classification. 2. Describe the four strokes on the four-stroke cycle. 3. Explain compression ratio. 4. Explain the purpose of the camshaft, pushrods, and rocker arms. 5. Describe the difference between an overhead cam engine and an overhead valve engine.

4 PAGE 4 VERNON COLLEGE SYLLABUS 6. Explain four different types of valve arrangements. 7. Describe four different types of engine block design. 8. Explain three different types of engine mountings. 9. Briefly describe six different engine systems. 10. Explain the two-stroke cycle. 11. Define cylinder bore and stroke. 12. Explain how to calculate engine displacement. 13. Describe three different methods of measuring engine efficiency. 14. Explain the difference between the two different types of cylinder sleeves. 15. Explain the operation of a hydraulic valve lifter. 16. Describe four different bearing insert qualities. 17. Explain bearing insert spread and crush. 18. Define connecting rod eye and bore. 19. Explain the purpose of the piston rings. 20. Describe the advantage of a sodium-filled valve compared to an ordinary steel valve. 21. Explain the advantages of a four-valve (4-V) engine compared to a two-valve (2-V) engine. 4. ENGINE COOLING AND LUBRICATION SYSTEMS A. Upon completion and review of Engine Cooling and Lubrication Systems, the students should be able to: 1. Explain three different methods of heat transfer. 2. Explain why the boiling point of a 50% ethylene glycol and water mixture in the cooling system is higher at the boiling point of pure water. 3. Describe two different radiator designs and two different radiator core designs. 4. Explain the purpose of the vacuum valve in the radiator pressure cap. 5. Describe the operation of the engine thermostat. 6. Describe the operation of a two-speed electric-drive cooling fan. 7. Explain the advantage of an electric-drive cooling fan compared to a belt-driven cooling fan. 8. Explain the operation of a cooling fan viscous clutch. 9. Describe the operation of a thermal-electric temperature gauge and sending unit. 10. Explain the path of coolant flow in a reverse-flow cooling system. 11. Describe the advantages of a reverse-flow cooling system compared to a conventional liquid cooling system. 12. Explain the importance of the lubrication system in maintaining engine component life.

5 PAGE 5 VERNON COLLEGE SYLLABUS 13. Describe four purposes of engine oil. 14. List six oil additives and explain the purpose of each additive. 15. List the advantages and disadvantages of synthetic oil compared to refined oil. 16. Explain the importance of antidrainback devices on single overhead cam (SOHC) and dual overhead cam (DOHC) engines. 17. Describe the operation of the pressure relief valve in a lubrication system. 18. Explain the operation of a by-pass valve in a full-flow oil filter. 19. Describe the operation of the positive crankcase ventilation (PCV) system. 5. INTAKE AND EXHAUST SYSTEMS A. Upon completion and review of Intake and Exhaust Systems, the student should be able to: 1. Describe air cleaner purpose and operation. 2. Describe different types of air cleaner elements. 3. Explain the operation of a heated air inlet system in the hot air, modulated air, and cold air positions. 4. Explain the purpose of a heated air inlet system. 5. Explain the purpose of the exhaust crossover passage in the intake manifold on V-type engines. 6. Describe the advantage of port fuel injection (PFI) in relation to intake manifold design. 7. Explain the purpose and operation of an electrically heated intake manifold grid. 8. Describe how intake manifold vacuum is created, and explain the relation of throttle opening to intake manifold vacuum. 9. Explain the difference between tuned exhaust headers and a conventional exhaust manifold. 10. Describe the operation of the heat riser valve. 11. Explain how carbon monoxide (CO), unburned hydrocarbons (HC), and oxides of nitrogen (NO x ) are formed during the combustion process. 12. Explain the difference between a two-way and a three-way catalytic converter. 13. Define diesel particulate emissions. 14. Briefly explain the operating principle of an electronic muffler.

6 PAGE 6 VERNON COLLEGE SYLLABUS 6. INTRODUCTION TO ENGINE TUNE-UP A. Upon completion and review of Introduction to Engine Tune-Up, the student should be able to: 1. Explain the purpose of an engine tune-up. 2. Describe the requirements for a satisfactory engine tune-up. 3. Explain how a defective battery or starting motor may affect the ignition system. 4. Explain how a defective charging system may affect the ignition system. 5. List the results of low engine compression. 6. List the tests and service procedures in a typical engine tune-up. 7. Describe how you would find specific information in a manufacturer's service manual. 8. Explain how you would locate specifications and special tools lists in a manufacturer's service manual. 9. Explain the purpose of a flat rate manual. 10. Describe the purpose of service bulletins. 11. Describe the information contained in an electronic data system, and explain how this information is displayed. 12. Describe the purposes of a repair order, and explain how this order is processed by various personnel in an automotive shop. 13. Explain job estimates and information disclosure laws. 14. Describe the purpose of a dispatch sheet. 7. BATTERY, STARTING, AND CHARGING SYSTEMS A. Upon completion and review of Battery, Starting, and Charging Systems, the student should be able to: 1. Explain the purpose of the battery in the vehicle electrical system. 2. Describe the design of a cell group in an automotive battery. 3. Describe the chemical changes that occur while the battery is discharging. 4. Explain the chemical changes that occur while the battery is charging. 5. Explain four different battery ratings. 6. Describe the operation of the neutral safety switch, starter relay, and theft deterrent computer. 7. Explain the current flow through the solenoid windings and starting motor while the starter is engaging. 8. Describe the current flow through the solenoid windings and starting motor while the engine is cranking. 9. Explain the starter drive operation when the engine is cranking and while the starting motor is disengaging.

7 PAGE 7 VERNON COLLEGE SYLLABUS COURSE NUMBER AND TITLE:AUMT 2417 Engine Performance Analysis I 10. Explain how a voltage regulator limits the alternator voltage. 11. Describe how the voltage is induced in the alternator starter windings, and explain the current flow from the starter windings through the charging circuit when the engine is running. 8. COMPUTERS AND INPUT SENSORS A. Upon completion and review of Computers and Input Sensors, the student should be able to: 1. Explain the difference between the analog and digital voltage signals. 2. Explain binary coding as it relates to computer input signals. 3. Describe input signal amplification in a computer. 4. Explain why an analog/digital (A/D) converter is necessary in a computer. 5. Describe briefly the design of a microprocessor chip and state the basic purpose of this chip. 6. Explain briefly how the microprocessor stores and retrieves information. 7. Describe the purpose of a random access memory (RAM). 8. Explain the terms volatile and nonvolatile memory. 9. Describe the purpose of the read only memory (ROM). 10. Explain the purpose of a programmable read only memory (PROM). 11. Describe the purpose of a keep alive memory (KAM). 12. Define the term adaptive strategy. 13. Explain how the computer output drivers operate most output actuators. 14. Describe the design and operation of the oxygen sensor. 15. Explain the importance of the engine coolant temperature sensor signal in relation to the output control functions of the computer. 16. Describe the operation of the air charge temperature sensor. 17. Explain the wiring connections located on the throttle positions sensor. 18. Describe two types of voltage signals produced by manifold absolute pressure sensors. 19. Explain the operation of three different types of mass air flow sensors. 20. Describe the operation of a knock sensor. 21. Explain the purpose of the exhaust gas recirculation valve position sensor. 22. Identify the output control functions affected by the vehicle speed sensor signal.

8 PAGE 8 VERNON COLLEGE SYLLABUS 9. IGNITION SYSTEMS A. Upon completion and review of Ignition Systems, the student should be able to: 1. Define the purpose of the ignition coil. 2. Explain the internal design of the ignition coil. 3. Explain the purpose of the ballast resistor, and describe the resistor connections in the primary ignition circuit. 4. Describe the voltage signals produced by a pickup coil as a reluctor high point rotates past the pickup. 5. Explain the purpose of the electronic control unit (ECU). 6. Describe spark plug internal design. 7. Explain the difference between a hot spark plug and a cold spark plug. 8. Explain the meaning of various spark plug numbers and letters. 9. Describe spark plug wire internal design. 10. Explain how the high voltage is induced in the coil secondary winding. 11. Define ignition dwell time, and explain its importance to ignition system operation. 12. Explain the operation of the centrifugal advance. 13. Describe the operation of the vacuum advance. 14. Describe the differences between a Dura-Spark II and a Dura-Spark I ignition system. 15. Explain the term variable dwell as it relates to a high energy ignition (HEI) system. 16. Explain what causes the ignition coil magnetic field to collapse in a point-type ignition system. 17. Describe the advantages of electronic ignition (EI) system. 18. Explain the operation of a Hall Effect switch. 19. Explain the coil and injector sequencing on a Chrysler EI system while cranking the engine. 20. Describe the coil secondary-to-spark plug wiring connections on an EI system, including and explanation of how the spark plugs fire. 21. Explain why some EI systems may be called slow-start systems. 22. Explain the purpose of the SYNC sensor signal in an EI system with a combined crankshaft and SYNC sensor. 23. Explain the operation of the 3X and 18X crankshaft sensor signals during engine starting on a fast-start EI system. 24. Describe the design and location of the reluctor ring and magnetic sensor on an EI system.

9 PAGE 9 VERNON COLLEGE SYLLABUS 10. FUEL TANKS, LINES, FILTERS, AND PUMPS A. Upon completion and review of Fuel Tanks, Lines, Filters, and Pumps, the student should be able to: 1. Describe fuel tank design and mounting on the vehicle. 2. Describe a fuel tank filler and filler cap design. 3. Describe three different types of fuel lines. 4. Explain four different types of fuel line fittings. 5. Describe in-fuel filter design. 6. Explain the fuel filter mounting position on vehicles with electronic fuel infection (EFI) and carburetors. 7. Explain the design and operation of the fuel filter located in the carburetor inlet nut. 8. Explain the operation of a mechanical fuel pump during fuel intake. 9. Describe the operation of a mechanical fuel pump during duel discharge. 10. Explain how the fuel pressure is limited in a mechanical fuel pump. 11. Describe the operation of an electric fuel pump, including the operation of the relief valve and check valve. 12. Describe the path of electric current flow with the engine running in an electric fuel pump circuit in a carbureted engine. 11. CONVENTIONAL AND COMPUTER-CONTROLLED CARBURETORS A. Upon completion and review of Conventional and Computer-Controlled Carburetors, the student should be able to: 1. Explain the operation and purpose of the carburetor venturi. 2. Describe how the air flow into the engine cylinders is controlled. 3. Explain the purpose of the float system. 4. Explain the purpose of the air bleed in the idle system. 5. List three components that are designed to provide the proper air-fuel ratio in the main system. 6. Describe the operation of the power system at idle speed and at wideopen throttle. 7. Explain the purpose of the accelerator pump system. 8. Describe the operation of a hot air-type choke system. 9. Explain the purpose of the oil pressure switch in an electric choke system. 10. Describe two methods of throttle opening in a four-barrel carburetor. 11. Explain the reason for installing computer-controlled carburetor systems on vehicles made in the late 1970s and 1980s. 12. Describe the operation of a nonadjustable oxygen feedback solenoid.

10 PAGE 10 VERNON COLLEGE SYLLABUS 13. Explain the term duty cycle as it relates to an oxygen feedback solenoid. 14. Describe how a nonadjustable oxygen feedback solenoid controls idle air-fuel ratio. 15. Explain how the computer operates a stepper motor to control air-fuel ratio. 16. Describe the two adjustments on the adjustable mixture control solenoid. 17. Define open loop and closed loop in relation to computer-controlled carburetor systems. 18. Explain the input sensor signals required to enter closed loop. 19. Describe the operation of the idle speed control motor on a computercontrolled carburetor system. 20. Explain the operation of a vacuum-operated throttle kicker and solenoid. 21. Describe the operation of the torque converter clutch (TCC) lockup electrical system. 22. Explain the operation of the TCC lockup hydraulic system. 23. Explain the conditions when the A/C clutch may be turned off by the module or computer. 24. Describe the operation of a temperature-compensated pump (TCP) in a computer-controlled carburetor. 25. Explain the operation of a variable voltage choke (VVC) relay in a computer-controlled carburetor. 12. ELECTRONIC FUEL INJECTION A. Upon completion and review of Electronic Fuel Injection, the student should be able to: 1. Explain what is meant by a speed density electronic fuel injection (EFI) system. 2. Explain the operation of a fuel pump circuit in an EFI system when the ignition switch is on and the engine is not cranked. 3. Describe the purpose of the inertia switch in a fuel pump circuit. 4. Explain the purpose of the oil pressure switch that is connected in parallel with some fuel pump relays. 5. Describe how the computer supplies the correct air-fuel ratio on a throttle body injection (TBI) system. 6. Explain how the clear flood mode operates on a TBI system. 7. Describe the effect of high fuel pressure in a TBI system. 8. Explain the purpose of the throttle body temperature sensor. 9. Explain how the computer provides air-fuel ratio enrichment while starting a cold engine equipped with a TBI system. 10. Describe how an idle air control (IAC) motor controls idle speed.

11 PAGE 11 VERNON COLLEGE SYLLABUS 11. Describe the difference between a sequential fuel injection (SFI) system and a multiport fuel injection (MFI) system. 12. Explain why manifold vacuum is connected to the pressure regulator in an MFI system. 13. Describe the operation of the pressure regulator in a returnless EFI system. 14. Explain the operation of a cold start injector. 15. Describe one of the main causes of fuel injector deposits. 16. Describe the operation of the central injector and poppet nozzles in a central port injection (CPI) system. 17. Explain the purpose of the intake manifold tuning valve (IMTV). 18. Describe how an electronic continuous injection system (CIS-E) supplies the proper air-fuel ratio. 19. List the components located in a constant control relay module (CCRM). 20. Explain the purpose of a dropping resistor assembly connected in series with the fuel injectors. 21. Explain the requirements to illuminate the malfunction indicator light (MIL) in an onboard II (OBD II) system. 22. Briefly describe the six monitored systems in an OBD II system. 13. IDLE SPEED CONTROL SYSTEMS A. Upon completion and review of Idle Speed Control Systems, the student should be able to: 1. Explain the operation of a vacuum-operated decel valve. 2. Describe the operation of a throttle kicker and idle stop solenoid. 3. Explain the operation of an idle air control motor, including the idle contact switch. 4. Describe the inputs used by the computer to control and idle air control by-pass air motors. 5. Explain how an idle air control by-pass air motor controls idle speed. 6. Explain the operation of the fast idle thermo valve. 7. Describe the operation of the starting air valve. 14. EXHAUST GAS RECIRCULATION, SECONDARY AIR INJECTION, AND EVAPORATIVE EMISSION CONTROL SYSTEMS A. Upon completion and review of Exhaust Gas Recirculation, Secondary Air Injection, and Evaporative Emission Control Systems, the student should be able to: 1. Describe the operation of a port exhaust gas recirculation (EGR) valve.

12 PAGE 12 VERNON COLLEGE SYLLABUS 2. Explain the design and operation of positive backpressure EGR valve. 3. Describe the design and operation of a negative backpressure EGR valve. 4. Explain the operation of a digital EGR valve. 5. Explain the operation of a linear EGR valve. 6. Describe the operation of an exhaust gas temperature sensor in the EGR valve. 7. Explain the operation of an EGR vacuum regulator (EVR) solenoid. 8. Describe the purpose of a pressure feedback electronic (PFE) sensor in the EGR system. 9. Explain the operation of a pressure transducer in the EGR system. 10. Describe the operation of a pulsed secondary air system. 11. Explain the operation of a secondary air injection system when the engine is started. 12. Describe the operation of a secondary air injection system during engine warm-up. 13. Explain the operation of a secondary air injection system with the engine at normal operating temperature. 14. Describe the operation of an evaporative (EVAP) control system during the canister purge and nonpurge modes. 15. POSITIVE CRANKCASE VENTILATION, SPARK TIMING CONTROL, AND INTAKE MANIFOLD HEAT CONTROL SYSTEMS A. Upon completion and review of Positive Crankcase Ventilation, Spark Timing Control, and Intake Manifold Heat Control Systems, the student should be able to: 1. Explain the purpose of the positive crankcase ventilation (PCV) system. 2. Describe the operation of the PCV system at idle speed, part throttle, and heavy load conditions. 3. Explain the operation of the PCV valve during intake manifold backfires. 4. Describe the operation of the thermal vacuum valve (TVV) connected in the distributor vacuum advance hose. 5. Explain the operation and purpose of a vacuum delay valve in the distributor vacuum advance hose. 6. Describe the operation of the detonation sensor and electronic spark control module (ESC). 7. Explain the operation and purpose of a mechanically controlled mixture heater system. 8. Describe the operation of a computer-controlled mixture heater system.

13 PAGE 13 VERNON COLLEGE SYLLABUS 9. Explain the operation and purpose of a computer-controlled heat riser valve. 16. VEHICLE EMISSIONS, INFRARED ANALYZERS, ENGINE ANALYZERS, AND OSCILLOSCOPES A. Upon completion and review of Vehicle Emissions, Infrared Analyzers, Engine Analyzers, and Oscilloscopes, the student should be able to: 1. List U.S. and California emission standards for various years in the 1990s. 2. Explain basic infrared analyzer operation. 3. Describe precautions while using an infrared analyzer. 4. Explain how hydrocarbon (HC) emissions are formed in the combustion chamber, and describe how an infrared analyzer measures these emissions. 5. Explain how carbon monoxide (CO) emissions are formed in the combustion chamber, and describe how an infrared analyzer measures these emissions. 6. Describe oxygen (O 2 ) emissions in relation to air-fuel ratio and how an infrared analyzer measures these emissions. 7. Describe how carbon dioxide (CO 2 ) is formed in the combustion chamber, and explain how an infrared analyzer measures these emissions. 8. Describe the major test capabilities of an engine analyzer. 9. Describe the typical oscilloscope connection to the ignition system. 10. Explain a superimposed scope pattern. 11. Describe a raster scope pattern. 12. Describe a display scope pattern. 13. Explain specific locations on a primary scope pattern in relation to ignition operation. 14. Describe specific locations on a secondary scope pattern in relation to ignition operation. 17. TURBOCHARGERS AND SUPERCHARGERS A. Upon completion and review of Turbochargers and Superchargers, the student should be able to: 1. Explain basic turbocharger operation. 2. Describe how the turbocharger boost pressure is controlled. 3. Explain three ways in which the turbocharger bearings are cooled. 4. Describe the results of inadequate turbocharger bearing cooling. 5. List three items that cause premature turbocharger failure. 6. Explain basic supercharger operation.

14 PAGE 14 VERNON COLLEGE SYLLABUS 7. Describe the difference in compression ratio in a turbocharger or supercharged engine compared to a normally aspirated engine. 8. List nine components that are strengthened in a supercharged engine compared to a normally aspirated engine. VII. ASSESSMENT: 1. Students knowledge of lecture information will be evaluated by written tests and quizzes. 2. Lab will be graded according to the handout listing the guidelines for lab grading. Vernon College does not discriminate on the basis of color, race, gender, age, religion, national origin, or disability.