AA/AS Degree
|AA/AS Degree |X | |MODESTO JUNIOR COLLEGE |Date Originally Submitted: | |
|Non-Degree | | |COURSE OUTLINE |Date Updated: |9/25/2001 |
|Noncredit | | | |
|I. |DIVISION: |Agriculture, Environmental Sciences & Technical Education |DIV./DEPT. NO: |73-4300 |
| |PREFIX/NO.: |AUTEC 373 |COURSE TITLE: | 97 B.A.R. Clean Air Course |
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| |Formerly listed as: | | Date Changed: | |
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| |Hours/Week: |Lecture: |4 |Lab: |3 |Other: | |If catalog is to read lecture/lab check here |X |
| | |% Load: |.183 |% Load: |.137 |% Load: | | |
| |Other (explain): | |
|II. |ALSO OFFERED AS: | |
| |Div: | |Prefix/No.: | |Title: | |
| |Div: | |Prefix/No.: | |Title: | |
|III. |COURSE INFORMATION: |
| |No. Weeks: |16 |TOP: |0948.00 |State Class: |I |Method of Instruction: |30 |
| |Units: |5 |SAM: |B |Wk/Ex: | |In-Service: | |
| |Tot % Load: |.32 |CAN: | |Apprentice: | | |
| |
| |Offered Only: |
| |Prerequisite (P) |P |Corequisite: (C) | | |Recommended for success (R) | |
| |(Please check all that apply and list below. Also attach appropriate documentation forms) |
| |AUTEC 311, AUTEC 312 with a "C" grade or better OR as outlined by C.A.R.B specification. |
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|V. |CATALOG DESCRIPTION: |
| |Provides the experienced automotive mechanic with comprehensive, up-to-date background in auto emission control. |
| |Modern test equipment and techniques assure that engine operation and emission levels are within manu- |
| |facturers' and California Air Resources Board (C.A.R.B.) specifications. Prepares the student to take the California |
| |Bureau of Automotive Repair (B.A.R.) Smog Check Mechanic Qualification Examination. B.A.R. requires a minimum of 90% attendance and 70% (C) grade |
| |for completion. |
|VI. |FIELD TRIPS REQUIRED? |Yes | |No |X |Maybe | |
| |
|VII. |GRADING: |A-F Only | |CR/NC Only | |CR/NC Option |X |Non-Grades | |
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|VIII. |REPEAT PROCEDURES: |Credit: |No | |Yes |X |Maximum Completions: |2 |Maximum Units: |10* |
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| | |Non-Credit: |No | |Yes | |Maximum Completions: | |
| |*State regulations are constantly changing at a non-static pace. |
|IX. |EXPLAIN FEE REQUIRED: |Material fees required |
| | |
AUTEC 373 97 B.A.R. Clean Air Course
|X. |PREREQUISITE SKILLS |
| |Before entering the course, the student will be able to: |
| |AUTEC 311 |
| |Identify the various types of hand and power tools and their uses. |
| |Research various repair manuals and service publications to acquire information on repairs and maintenance of vehicles. |
| |Identify and state the purpose of each circuit in the carburetor. |
| |Relate the effect of rich air/fuel mixtures on fuel economy and emissions. |
| |Identify and state the purpose of each component of the fuel injection system. |
| |Apply safe practices during lab exercises. |
| |Describe the basic automotive systems and their respective functions. |
| |Perform basic repairs on each automotive system. |
| |AUTEC 312 |
| |Use various hand and power tools related to the automotive electronics. |
| |Research the various repair manuals and service publications to acquire information related to repairs and maintenance of electrical systems. |
| |Locate electrical malfunctions using voltmeters, ampmeters, and ohmmeters. |
| |Interpret test data generated from electrical trouble-shooting equipment. |
| |Select the proper test sequence when performing trouble-shooting activities. |
| |Describe the importance of accuracy when conducting trouble-shooting problems. |
| |Analyze simulated problems with the use of electronic test instruments. |
| |Identify positive and negative diodes using an ohmmeter. |
|XI. |OBJECTIVES (Expected outcomes for students) |
| |Upon successful completion of the course, the student will be able to: |
| |Describe and apply the rules and regulations necessary to become a qualified clean air mechanic. |
| |Identify the three major sources of automotive pollution and their effect on the environment. |
| |Describe how hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) are formed. |
| |Relate the cause and effect relationships among HC, CO, and NOx. |
| |Describe the principles governing electricity and magnetism. |
| |Perform all operational tests according to manufacturers’ and C.A.R.B. specifications and record all data using a B.A.R. 90 machine. |
| |Calibrate and operate infrared HC, CO, O2, and CO2 analyzers according to manufacturers recommended procedures. |
| |Describe procedures which must be followed when using infrared HC, CO, O2, and CO2 analyzer in order to obtain accurate readings. |
| |Diagnose common engine malfunctions by using an infrared HC, CO, O2, and CO2 analyzer and B.A.R. 90 machine. |
| |Identify and state the purpose of each circuit of the carburetor. |
AUTEC 373 97 B.A.R. Clean Air Course
| |Relate the effect of rich air/fuel mixture on fuel economy and emissions. |
| |Identify and state the purpose of each component of fuel injection system. |
| |Perform the inspection and maintenance procedures for each type of fuel injection system. |
|XII. | CONTENT |
| |Module I - Rules and Regulations |
| |Program description and goals |
| |Definition and requirements for licensed stations |
| |Requirements for licensed inspectors |
| |Requirements for Smog Check Technicians |
| |Referee stations, referrals, and actions |
| |Quality assurance audits |
| |Emission control system warranty |
| |Module II - Section 1 - Basic Electricity |
| |Electron theory |
| |The terms: amperes, voltage, and resistance (ohms) |
| |Ability to utilize Ohms Law in problem solving |
| |Series and parallel circuits |
| |Electromagnetism and induction theory |
| |Capacitors, resistors, diodes, transistors, etc. (solid state circuits) |
| |Circuit protection devices (i.e. fuses, fusible links, etc.) |
| |Electrical circuit shorts, opens, and grounds. |
| |Module II - Section 2 - Wiring Diagrams |
| |Wire color coding as related to diagrams |
| |Diagram legend symbols (i.e. fuses, resistors, lamps, etc.) |
| |Circuit tracing procedures |
| |Component identification on vehicle as noted in diagrams |
| |Module II - Section 3 – Meters |
| |Checking and understanding circuit continuity using an ohmmeter |
| |Measuring and understanding circuit resistance using an ohmmeter |
| |Measuring and understanding circuit voltage using a voltmeter |
| |Measuring and understanding voltage drop using a voltmeter |
| |Measuring and understanding current flow using an ammeter |
| |Measuring and understanding circuit drain using an ammeter |
| |Proper Digital Multimeter (DMM) mode selection and ability to correctly read meter scale for test(s) being performed |
AUTEC 373 97 B.A.R. Clean Air Course
| |Module II - Section 4 - Vacuum Diagrams |
| |Vacuum circuit tracing procedures |
| |Component identification on vehicle as noted in diagrams |
| |Diagram acronyms (shortened names) relating to vacuum components (i.e. TVS - Thermal Vacuum Switch) |
| |Three main vacuum sources and their characteristics |
| |Procedures to detect vacuum leaks |
| |Module II - Section 5 - Smog - Cause and Effect |
| |Combustion process in internal combustion engines |
| |Formation and effects of carbon monoxide (CO) |
| |Formation and effects of hydrocarbons (HC) |
| |Formation and effects of oxides of nitrogen (NOx) |
| |Federal and State efforts to control air pollutants from vehicles |
| |Geographical and atmospheric conditions that contribute to formation of smog |
| |Module II - Section 6 - Engine Theory |
| |Basic mechanical engine components |
| |Four stroke theory of internal combustion engine |
| |Engine vacuum |
| |Camshaft timing and valve overlap |
| |Engine cylinder sealing components |
| |Combustion chamber design |
| |Flame front travel and quenching |
| |Engine coolant temperature as it affects emissions |
| |Engine diagnostic tests: compression test, cylinder balance test, cylinder leakage test, and vacuum test |
| |Module II - Section 7 - Basic Ignition Systems |
| |Basic components, theory of operation, and circuitry of primary ignition system |
| |Basic components, theory of operation, and circuitry of secondary ignition system |
| |Theory and operation of ignition distributor (breaker point and electronic type) |
| |Operation and inspection of spark plugs, and secondary plug wires |
| |Theory and operation of spark timing systems (mechanical, vacuum, and electronic) |
| |Theory and operation of timing light (with advance timing capabilities) |
| |Module II - Section 8 - Engine Scopes |
| |Basic operation, hook-up, and adjustments of an automotive oscilloscope/diagnostic analyzer |
| |Oscilloscope screen voltage/time scales |
| |Scope patterns: superimposed, raster, and parade |
| |Identification and interpretation of primary and secondary waveform patterns (point and electronic systems) |
| |Analyze abnormal scope patterns |
| |Ignition coil output test, and reserve (snap test) |
| |Review cylinder balance test |
AUTEC 373 97 B.A.R. Clean Air Course
| |Module II - Section 9 - Fuel Systems |
| |Characteristics of fuels: general chemical make-up, additives, octane, unleaded, etc. |
| |Theory and operation of fuel supply systems |
| |Theory and operation of air intake systems |
| |Identification and operation of carburetor parts |
| |Theory and operation of carburetor circuits: main metering, idle, accelerator pump, choke, power |
| |Types of carburetors (i.e. 1/2/4 barrel, sidedraft, etc.) |
| |Theory and operation of secondary circuits on one/two stage carburetors |
| |Theory, operation, and adjustment of multiple carburetors (optional) |
| |Troubleshooting, cleaning, and adjustment of carburetors |
| |Module II - Section 10 - Four Gas Analyzers |
| |Components and operation of a basic four gas analyzer |
| |Hydrocarbon (HC) emissions and its relationship to engine performance |
| |Carbon monoxide (CO) emissions and its relationship to engine performance |
| |Carbon dioxide (CO2) emissions and its relationship to engine performance |
| |Oxygen (O2) content in engine exhaust and its relationship to engine performance |
| |Relationship of the four gases to each other and stoichiometric air/fuel ratio |
| |Ability to troubleshoot engine performance problems using four gas analyzer (emphasis on O2 and CO2 analysis) |
| |Idle mixture adjustment procedures (lean best idle, artificial enrichment, CO method, etc.) |
| |Idle speed adjustments (dashpot, solenoid, idle speed motor, etc.) |
| |Module III - Emission Systems (1979 & Older) |
| |Ability to perform a visual inspection of emission control systems for completeness and approved parts |
| |Ability to identify a missing, modified, or disconnected/defective emission control system |
| |Ability to perform a functional test of the exhaust gas recirculation system, ignition timing, fillpipe restrictor, and check engine light |
| |Theory, operation, inspection, and testing of the following emission control systems: |
| |Positive crankcase ventilation |
| |Evaporative control |
| |Air induction pre-heat (includes early fuel evaporation, pre-heat ceramic grid, etc.) |
| |Exhaust gas recirculation |
| |Air injection |
| |Catalytic converter (2 and 3 way) |
| |Spark control |
| |Thermal reactors |
| |Retrofit devices (NOx, crankcase) |
| |Theory, operation, and testing of dual and alternate fuel vehicles following Bureau procedures |
AUTEC 373 97 B.A.R. Clean Air Course
| | |Module IV - Identification of Vehicle and Emission Controls |
| | |Identification procedures of various vehicle makes, models, engine family, and transmission type |
| | |Ability to read and understand vehicle identification number (VIN) and door post ID plate |
| | |Identification procedures for required vehicle emission control systems using underhood label, emission control application manuals, and |
| | |other reference materials |
| | |Identification of "grey market" vehicles, and Bureau procedures for testing/referral. |
| | |Bureau policy and testing procedures regarding engine changes and engine replacements |
| | |Proper certificate distribution per Bureau procedures |
| | |Identification of approved aftermarket emission control equipment using Smog Check Inspection Manual and Bureau test procedures |
| | |Module V - Emissions Testing (B.A.R.-90 TAS' Procedures, 1979 & Older) |
| | |Bureau procedures regarding preinspection/repairs |
| | |Procedures for performing a leak check and gas calibration on aB.A.R. -90 TAS |
| | |Procedures for maintenance of B.A.R.-90 TAS |
| | |Bureau procedures regarding B.A.R.-90 TAS lockouts |
| | |Bureau procedures regarding aborted tests/rejected vehicles |
| | |Ability to conduct an initial/after repair test following Bureau procedures |
| | |Ability to interpret Vehicle Inspection Report (VIR) |
| | |Properly complete and distribute certificate of compliance/non-compliance and VIR |
| | |Correctly diagnose and make repairs for failed emissions tests and related drive ability problems (Pre-1980 vehicles) |
| | |Module VI - Diagnosis and Repair of Computer Controlled Vehicles (1980& Newer) |
| | |Theory, operation, and testing of on-board computer systems, actuators, and sensors |
| | |Ability to read wiring diagrams with emphasis on computer grounds, fused battery power wires (shielded), wire junctions, etc. |
| | |Theory, operation, and testing of feedback carburetion systems (stepper motors, M/C solenoid, etc.) |
| | |Ability to test M/C dwell and make adjustments to feedback carburetors |
| | |Theory, operation, and testing of computer timing systems |
| | |Theory, operation, and testing of fuel injection systems (includeTBI, PFI, and CIS) |
| | |Theory, operation, and testing of distributor-less ignition systems |
| | |Theory and operation of turbo and super charged intake systems |
| | |Module VII - Emissions Testing and Servicing (1980 & Newer) |
| | |Properly hook-up a B.A.R.-90 TAS to a computerized vehicle and accurately perform a visual, functional, and emissions sample test per Bureau |
| | |procedures |
| | |Properly extract computer code(s) and use reference materials and troubleshooting trees to determine specific cause of code(s) |
| | |Accurately identify computer codes retrieved (during functional test) as emission related or nonemission related |
AUTEC 373 97 B.A.R. Clean Air Course
| |Ability to hook-up a scanner and retrieve and interpret a data stream form an on-board computer |
| |Ability to customize scanner operations to diagnose emission failures and driveability problems |
| |Ability to diagnose and repair Smog Check inspection failures (and driveability problems correctly) |
| |Module VIII – Advanced Emission Diagnostic and 98’ Transition Dyno Testing |
| |Tailpipe Emission Analysis |
| |Determine the use of Digital Storage Oscilloscope Sensor malfunction/condition |
| |Training and utilization of 97’ Dyno |
|XIII. |TEACHING METHODS |
| |A. |Methods to achieve course objectives: |
| | |Related technical material will be presented through designated class lecture and lab demonstrations |
| | |Guest speakers from the automotive industry will present technical seminars on specific automotive systems |
| | |Student work performed in the laboratory will stronghold the lecture, demonstration, and seminar information |
| | |Visual aids from automotive manufacturers and aftermarket suppliers are used to clarify technical information |
| | |Students demonstrate the mastery of each competency by the successful completion of a related lab project |
| |B. |Methods used in achieving learner independence and critical thinking: |
| | |Students are required to complete a written evaluation of data collected and compare the results with manufacturer specifications |
| | |Given a component or a test vehicle, students are required to follow a specific troubleshooting technique to locate a problem. Upon locating |
| | |the problem, they are required to repair or bring the unit within the parameter specified by the manufacturer |
|XIV. |TEXTBOOKS (Typical) |
| |Clean Air Car Course, Complete Student Set; Bureau of Automotive Repair, BAR Mail Room, Sacramento CA 95827 |
| |Automotive Electricity & Electronics, Al Santini |
|XV. |SPECIAL STUDENT MATERIALS (i.e., protective eyewear, aprons, etc.) |
| |None |
|XVI. |METHODS OF EVALUATING STUDENT PROGRESS |
| |Lab work is evaluated at each class meeting |
| |Written unit examinations include essay questions |
| |Worksheets are used to record data and compare with factory specifications |
| |Student performance is evaluated to assure proper problem solving techniques |
| |Unit examinations that follow the Automotive Service Excellence (ASE) format and current B.A.R. procedures |
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