British Columbia Institute of

Important Notice: COVID-19 Institute response


AUTO 2175 - Automotive 12-Volt Battery, Starting, and Charging Systems

Automotive Mechanics Part-time Studies Course

School of Transportation

BCIT is planning for a substantial return to on-campus activity for the Winter 2022 term as informed by BC Provincial Health Officer guidelines. Refer to each course listing for details.

Course Details

​Combining understanding of the basic chemistry of the lead acid battery along with the application of magnetic principles used in motor and generator operation enables fundamental understanding upon which a technician can apply an effective starting and charging system diagnostic strategy. In addition to the 24 hours of instructor guided course delivery, each week students are assigned approximately 5 additional hours of self-paced online interactive knowledge building assignments.


Successful completion of any one of the following: AUTO 1175 or AUTO 0173 Electrical and Electronic Diagnostic Fundamentals; Level 1 Automotive Foundation Certificate; Level 1 Automotive or Motorcycle Apprenticeship; ASTO 1027 or ASTO 1127 Basic Electrical Systems; AUTO 1503 or MPET 1208 Electrical or Electronic Systems.



This course isn't currently offered through BCIT Part-time Studies. Please check back next term or subscribe to receive email updates.

Learning Outcomes

Upon successful completion of this course, the student will be able to:

  • Describe the design, construction and operation of a lead acid battery,
  • Perform lead acid battery testing and service procedures,
  • Describe electromagnetic principles,
  • Explain DC starter motor operation,
  • Interpret 12 volt starting system wiring diagrams,
  • Test and inspect 12 volt starting systems,
  • Explain the operation of a 12 volt alternator/generator,
  • Interpret 12 volt charging system wiring diagrams,
  • Diagnose 12 volt charging systems.

Effective as of Fall 2021


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