Mar 29, 2024  
2021-2022 Course Catalog 
    
2021-2022 Course Catalog [ARCHIVED CATALOG]

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AUT 652 - Adv Automotive Electricity

Credits: 3
Lecture Hours: 1
Lab Hours: 4
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Provides instruction in the diagnosis, repair and service of electrical and electronic components found on current vehicles.
Prerequisite OR Corequisite: AUT 615  
Competencies
  1. Perform electrical checks using test equipment during electrical system diagnosis.
    1. Demonstrate voltmeter use.
    2. Measure current with an ammeter.
    3. Check resistance with an ohmmeter.
    4. Check electrical circuits with a test lamp.
    5. Use fused jumper wires.
    6. Inspect and test fuses, fusible links, and circuit breakers.
    7. Inspect and test switches, connectors, and solid state devices.
    8. Locate shorts, opens, and hi resistance in circuits.
    9. Determine needed action.
  2. Research vehicle service information during electrical system diagnosis.
    1. Locate vehicle service history, service precautions, and technical service bulletins.
    2. Perform a system functional check.
    3. Use principles of electricity to develop a diagnostic strategy.
    4. Use wiring diagrams during the diagnosis (troubleshooting) of electrical/electronic circuit problems.
    5. Use component locator charts.
    6. Locate connector end views, identity connector terminals, and connector cavities.
    7. Interpret circuit description and operation.
    8. Locate power distribution schematics.
    9. Locate ground distribution schematics.
    10. Follow diagnostic flow charts.
  3. Perform diagnosis and service of vehicle lighting systems.
    1. Diagnose the cause of improper lighting system operation.
    2. Inspect interior and exterior lighting system components including lamps and sockets.
    3. Replace and aim headlamp assemblies.
    4. Identify system voltage and safety precautions associated with high-intensity discharge headlights.
    5. Determine needed action.
  4. Diagnose vehicle motor-driven circuits.
    1. Diagnose the cause of improper wiper/washer operation.
    2. Inspect and test blower motors and controls.
    3. Inspect and test electric cooling fan circuits.
    4. Troubleshoot power window faults.
    5. Diagnose power door lock faults.
    6. Remove and reinstall an inner door panel.
    7. Use a scan tool during body systems diagnosis.
    8. Determine needed action.
  5. Analyze assorted circuits.
    1. Inspect and test instrument panel gauge and warning indicator circuits.
    2. Inspect and test gauge and warning indicator sending units and related wiring circuits.
    3. Inspect and test driver information systems and circuits.
    4. Diagnose incorrect horn operation.
    5. Disarm and enable the airbag system for vehicle service.
    6. Determine needed action.
  6. Analyze charging systems.
    1. Analyze charging system operation.
    2. Discuss voltage regulation.
    3. Describe three phase current generation and rectification.
  7. Evaluate charging systems.
    1. Inspect generator drive belt, tension, and alignment.
    2. Perform charging system voltage drop testing.
    3. Check for proper charging system operation on a vehicle.
    4. Diagnose the cause of no charge, under charge, and over charge conditions.
    5. Determine needed action.
  8. Incorporate battery operation and safety.
    1. Practice battery safety.
    2. Outline battery construction.
    3. Discuss maintenance-free batteries.
    4. Explain battery operation.
  9. Evaluate batteries.
    1. Confirm proper battery capacity and application for vehicle.
    2. Test battery state of charge.
    3. Perform battery capacity and load test.
    4. Perform battery conductance test.
    5. Perform battery charging according to manufacturer’s recommendations.
    6. Inspect and service a battery in a vehicle including connections and terminals.
    7. Measure parasitic current drain (ignition off draw) and determine the cause of excessive parasitic current drain.
    8. Discuss memory loss and re-initialization after battery disconnect.
    9. Perform vehicle jump starting using jumper cables and booster battery (vehicle) or a jumper (booster) pack.
    10. Determine needed action.
  10. Analyze starting systems.
    1. Describe starting system operation.
    2. Identify starting system components.
    3. Discuss starting system controls.
  11. Test starting systems.
    1. Discuss mechanical and electrical slow-crank and no crank conditions.
    2. Check starter control relays and solenoids.
    3. Perform starter current draw test.
    4. Perform starter circuit voltage drop tests.
    5. Perform a starter no load test.
    6. Inspect and test starting system components and circuits.
    7. Determine needed action.
  12. Identify microprocessor controlled systems.
    1. Examine processor controlled charging systems.
    2. Identify processor controlled starter circuits.
    3. Identify processor controlled lighting circuits.
    4. Examine processor controlled power accessory circuits.

Competencies Revised Date: 2020



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