Upon successful completion of the course, students will be able to:
1. Apply basic electrical and electronic theory as it relates to
automotive diagnostics and repair.
2. Use electrical equipment necessary to diagnose automotive electrical
3. Test automotive electrical components and circuits.
4. Apply basic 4-cycle engine theory to the diagnosis and repair of auto
5. Operate and test fuel and air induction systems.
6. Analyze, diagnose, and repair ignition related problems.
7. Diagnose emission failures and utilize appropriate repair techniques.
8. Apply procedures to update/reprogram on-board computers to repair
driveability and emission failure problems.
9. Utilize a systematic approach to diagnosing driveability and emission
failure problems using a loaded mode (dyno) inspection system.
10. Properly use advanced diagnostic equipment to repair driveability and
emission failure problems.
11. Access and utilize materials in various formats, including the
Internet, to obtain vehicle diagnostic and repair information.
12. Enroll in Clean Air Car Course and, upon successful completion,
qualify to take the smog check licensing examination.
I. Engine Electrical/Electronics
A. Theory of electrical principles
1. Electron theory
2. Direct current (D/C)
3. Alternating current (A/C)
7. Induced electricity
C. Electrical circuit configurations
D. Ohm's Law and application to various electrical circuits
E. Understanding wire sizing and proper repair of component wires
F. Overview of safety procedures employed when working on automotive
5. Proper tools and procedures
G. Theory, operation, and testing of circuit protection devices
2. Fusible links
3. Circuit breakers
H. Theory, operation, and testing of:
I. Theory, operation, and testing of components/systems
9. Air bag
J. Set up, scaling, and proper application of diagnostic test
1. Volt/Ohm/Amp meter
2. DMM (digital multi meters)
3. Test light
4. Logic probe
5. Digital storage oscilloscope (DSO)
K. Proper use of wiring diagram and component locator manuals
L. Voltage drop testing
II. Engine Performance
A. Theory and operation of the four stroke spark ignition engine
1. Component parts
2. Pressure/vacuum theory
3. Volumetric efficiency
a. Turbo charging
b. Super charging
B. Analysis of engine mechanical problems using diagnostic equipment
1. Vacuum gauge
2. Compression tester
a. Cranking test
b. Running test
3. Cylinder leakage tester
C. Overview of engine oil lubricants
2. Proper application per manufacturer specifications
3. Harmful effects of misapplication on engine operation and
D. Overview of preventive vehicle maintenance and its role in
maintaining low vehicle pollution levels
E. Theory, operation, and testing of induction systems
a. Component parts
2. Fuel injection
a. Component parts
3. Plastic manifolds
4. Fly-by-wire throttle
F. Theory, operation, and testing of electronic ignition systems
G. Analysis of ignition related problems using an
H. Analysis of tailpipe exhaust gas emission failures
1. HC (hydrocarbon)
I. Low emission carburetor adjustments procedures
J. Basic theory, operation, and testing of on-board computer
K. Identification of fault codes
L. Proper use of diagnostic trouble trees
M. Related diagnostic materials in various formats
III. Advanced Engine Performance
A. Overview of OBD I (On-Board Diagnostic System) code setting
B. Overview of OBD II system
C. Utilization of manufacturer Internet sites to obtain vehicle
diagnostic and repair information
D. Obtaining and filtering manufacturer Technical Service Bulletins
(TSB) in solving driveability and emission failure problems
E. Overview of procedures to update/reprogram on-board computers to
repair driveability/emission failure problems
F. Overview of a systematic approach to diagnosing driveability and
emission failure problems using a loaded mode (dyno) system
G. Proper use of a scan tool and digital storage oscilloscope (DSO)
to diagnose driveability and emission failure problems
H. Advanced diagnostic and testing procedures to identify failed
computer controlled engine management systems and emission
1. O2 wave form analysis
2. NOx diagnostics
3. Catalytic converter testing
I. Overview of diagnostic and repair procedures for fuel evaporative
1. Reading, 15 - 20 pages per week.
2. Written answers to questions at end of each textbook chapter.
3. Lab exercises covering:
a. Electronic and electrical systems;
b. Engine performance, driveability, diagnosis, and repair;
c. Advanced diagnostic equipment;
d. Diagnosis and repair of on-board computer systems;
e. Diagnosis and repair of exhaust emission systems.
4. Lab reports on lab procedures and results.
5. Locate repair instructions, legal requirements, and diagnostic help on
the Internet and complete worksheet.
6. Online quizzes (3-5).
7. Three exams.