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Automotive Systems Diagnostics Service and Repair

The Systems Diagnostics, Service, and Repair pathway prepares students for postsecondary education and employment in the transportation industry, which includes but is not limited to motor vehicles, rail systems, marine applications, and small-engine and specialty equipment.

Sample occupations associated with this pathway:

  • Service Technician
  • Maintenance Worker
  • Shop Foreman
  • Technical Writer
  • Dispatcher
  • Engineer
  • Investigator
  • Inspector


C1.0 Demonstrate the practice of personal and occupational safety and protecting the environment by using materials and processes in accordance with manufacturer and industry standards.

  • C1.1 Know and understand common environmental conservation practices and their applications.
  • C1.2 Practice the safe handling and storage of chemicals and hazardous wastes in accordance with Material Safety Data Sheets (MSDS) and the requirements of local, state, and federal regulatory agencies.
  • C1.3 Understand the way in which waste gasses, emissions, and other environmentally destructive substances are generated and the effects of these substances on the environment.
  • C1.4 Use appropriate personal protective equipment and safety practices.
  • C1.5 Evaluate the advantages and disadvantages of existing, new, and emerging systems and the effects of those systems on the environment.

C2.0 Practice the safe and appropriate use of tools, equipment, and work processes.

  • C2.1 Recognize the importance of calibration processes, systems, and techniques using various measurement and testing devices.
  • C2.2 Demonstrate and use appropriate tools and equipment—such as wrenches, sockets, and pliers—to diagnose, service, repair, and maintain systems and components.
  • C2.3 Use tools, equipment, and machines to safely measure, test, diagnose, and analyze components and systems (e.g., electrical and electronic circuits, alternating- and direct-current applications, fluid/hydraulic and air/pneumatic systems).
  • C2.4 Select and use the appropriate measurement device(s) and use mathematical functions necessary to perform required fabrication, maintenance, and operation procedures.
  • C2.5 Use measurement scales, devices, and systems, such as dial indicators and micrometers, to design, fabricate, diagnose, maintain, and repair vehicles and components following recommended industry standards. 13 T | California Career Technical Education Model Curriculum Standards
  • C2.6 Demonstrate how to access technical reports, manuals, electronic retrieval systems, and related technical data resources. C2.7 Test and analyze the elements of precision measuring using standard and metric systems.

C3.0 Use scientific principles in relation to chemical, mechanical, and physical functions for various engine and vehicle systems.

  • C3.1 Describe the operating principles of internal and/or external combustion engines.
  • C3.2 Describe the function and principles of air-conditioning and heating systems.
  • C3.3 Describe the basic principles of pneumatic and hydraulic power and their applications.
  • C3.4 Describe the applications of alternative power sources.
  • C3.5 Practice the basic principles of electricity, electronics and electrical power generation, and distribution systems.
  • C3.6 Explain the principles of converting energy from one form to another.
  • C3.7 Perform necessary procedures to maintain, diagnose, service, and repair vehicle systems and malfunctions.

C4.0 Perform and document maintenance procedures in accordance with the recommendations of the manufacturer.

  • C4.1 Communicate the procedures and practices of various manufacturers regarding service, repair, and maintenance schedules.
  • C4.2 Demonstrate how to properly document maintenance and repair procedures in accordance with applicable rules, laws, and regulations (e.g., Bureau of Auto Repair [BAR], Occupational Safety and Health Administration [OSHA], and the California Air Resources Board [ARB]).
  • C4.3 Use reference books, technical service bulletins, and other documents and materials related to the service industry available in print and through electronic retrieval systems to accurately diagnose and repair systems, equipment, and vehicles.
  • C4.4 Complete a work order, including customer information, description of repairs, and billing information, in accordance with applicable rules, laws, and regulations.

C5.0 Apply and understand appropriate business practices.

  • C5.1 Identify work-related systems common to the transportation service industry.
  • C5.2 Know the laws and regulations applicable to recordkeeping and the appropriate handling and disposal of hazardous materials.
  • C5.3 Explain the importance of and the procedures for maintaining accurate records (e.g., business licenses, repair orders, billing and tax records).
  • C5.4 Practice the concept and application of accepted ethical business practices.
  • C5.5 Practice the concept and application of acceptable customer relations practices.
  • C5.6 Recognize, analyze, and evaluate the need for maintenance of components and systems and the conditions under which service and maintenance are required.

C6.0 Demonstrate the application, operation, maintenance, and diagnosis of engines, including but not limited to two- and four-stroke and supporting subsystems.

  • C6.1 Perform general engine maintenance, diagnosis, service, and repair in accordance with portable national industry standards, such as the National Automotive Technicians Education Foundation and the Equipment and Engine Training Council.
  • C6.2 Maintain, diagnose, service, and repair lubrication and cooling systems.
  • C6.3 Practice how to maintain, diagnose, and repair computerized engine control systems and other engine-related systems.
  • C6.4 Maintain, diagnose, service, and repair ignition, electronic, and computerized engine controls and fuel management systems.

C7.0 Demonstrate the function, principles, and operation of electrical and electronic systems using manufacturer and industry standards.

  • C7.1 Practice maintenance, diagnosis, and repair of electrical systems.
  • C7.2 Maintain, diagnose, repair, and service batteries.
  • C7.3 Demonstrate maintenance, diagnosis, service, and repair of starting and charging systems.
  • C7.4 Diagnose, service, and repair lighting systems.
  • C7.5 Diagnose, service, and repair heating and air-conditioning systems and components.
  • C7.6 Diagnose, service, and repair horns, wipers/washers, and other accessories.
  • C7.7 Perform necessary procedures to maintain, diagnose, service, and repair vehicle electrical and electronic systems and malfunctions.

C8.0 Demonstrate the function and principles of automotive drivetrain, steering and suspension, brake, and tire and wheel components and systems in accordance with national industry standards.

  • C8.1 Describe how to maintain, diagnose, service, and repair hydraulic and power assist systems.
  • C8.2 Describe the function and operation of automatic and manual transmissions and transaxles.
  • C8.3 Diagnose, service, and repair disc brakes, drum brakes, antilock brakes, and other brake systems as developed.
  • C8.4 Diagnose, service, and repair steering and suspension systems.
  • C8.5 Interpret tire and rim sizing to select appropriate wheels and tires for vehicles. C8.6 Maintain, diagnose, service, and repair under-vehicle systems and malfunctions.