Mar 28, 2024  
2020-2021 Course Catalog 
    
2020-2021 Course Catalog [ARCHIVED CATALOG]

Add to Portfolio (opens a new window)

ATG 328 - Diagnosis/Repair-GM Elect Sys

Credits: 3
Lecture Hours: 2
Lab Hours: 2
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Instruction in the diagnosis, repair and service of electrical and electronic components and accessories used on current GM vehicles.
Prerequisite: Admission to Automotive Service Educational Program, MAT 772 AUT 114  
Prerequisite OR Corequisite: ATG 312  
Competencies
  1. Analyze batteries.
    1. Practice battery safety.
    2. Outline battery construction.
    3. Discuss maintenance-free batteries.
    4. Explain battery operation.
  2. Evaluate batteries.
    1. Test battery state of charge.
    2. Demonstrate battery load testing.
    3. Perform slow and fast battery charge.
    4. Service a battery in a vehicle.
    5. Show the procedure for jump starting a vehicle.
    6. Replace a battery.
    7. Measure parasitic current drain.
  3. Analyze starting systems.
    1. Describe starting system operation.
    2. Identify starting system components.
    3. Discuss different motor control systems.
  4. Evaluate starting systems.
    1. Demonstrate starting system inspection.
    2. Demonstrate starting system test procedures
    3. Show starting system service.
  5. Analyze charging systems.
    1. Explain voltage rectification.
    2. Discuss voltage regulation.
    3. Describe three phase current generation.
  6. Evaluate charging systems.
    1. Test alternator internal components.
    2. Perform charging system voltage drop tests.
    3. Check charging rate on a vehicle.
  7. Interpret electrical service information.
    1. Read wiring diagrams.
    2. Use component locator charts.
    3. Identify terminal and connector cavities.
  8. Service chassis electrical systems.
    1. Interpret wiring diagrams.
    2. Diagnose the cause of improper lighting circuit operation.
    3. Troubleshoot blower circuits.
    4. Identify cooling fan problems.
    5. Test power accessory circuits.
    6. Locate instrumentation malfunctions.
    7. Diagnose wiper/washer malfunctions.
    8. Replace defective electrical components 
    9. Repair wiring problems.
    10. Install circuit protection devices.
    11. Test switches.
    12. Diagnose defective relays.
    13. Test cruise control system components. 



Add to Portfolio (opens a new window)