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Mar 29, 2024
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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
- Perform electrical checks using test equipment during electrical system diagnosis.
- Demonstrate voltmeter use.
- Measure current with an ammeter.
- Check resistance with an ohmmeter.
- Check electrical circuits with a test lamp.
- Use fused jumper wires.
- Inspect and test fuses, fusible links, and circuit breakers.
- Inspect and test switches, connectors, and solid state devices.
- Locate shorts, opens, and hi resistance in circuits.
- Determine needed action.
- Research vehicle service information during electrical system diagnosis.
- Locate vehicle service history, service precautions, and technical service bulletins.
- Perform a system functional check.
- Use principles of electricity to develop a diagnostic strategy.
- Use wiring diagrams during the diagnosis (troubleshooting) of electrical/electronic circuit problems.
- Use component locator charts.
- Locate connector end views, identity connector terminals, and connector cavities.
- Interpret circuit description and operation.
- Locate power distribution schematics.
- Locate ground distribution schematics.
- Follow diagnostic flow charts.
- Perform diagnosis and service of vehicle lighting systems.
- Diagnose the cause of improper lighting system operation.
- Inspect interior and exterior lighting system components including lamps and sockets.
- Replace and aim headlamp assemblies.
- Identify system voltage and safety precautions associated with high-intensity discharge headlights.
- Determine needed action.
- Diagnose vehicle motor-driven circuits.
- Diagnose the cause of improper wiper/washer operation.
- Inspect and test blower motors and controls.
- Inspect and test electric cooling fan circuits.
- Troubleshoot power window faults.
- Diagnose power door lock faults.
- Remove and reinstall an inner door panel.
- Use a scan tool during body systems diagnosis.
- Determine needed action.
- Analyze assorted circuits.
- Inspect and test instrument panel gauge and warning indicator circuits.
- Inspect and test gauge and warning indicator sending units and related wiring circuits.
- Inspect and test driver information systems and circuits.
- Diagnose incorrect horn operation.
- Disarm and enable the airbag system for vehicle service.
- Determine needed action.
- Analyze charging systems.
- Analyze charging system operation.
- Discuss voltage regulation.
- Describe three phase current generation and rectification.
- Evaluate charging systems.
- Inspect generator drive belt, tension, and alignment.
- Perform charging system voltage drop testing.
- Check for proper charging system operation on a vehicle.
- Diagnose the cause of no charge, under charge, and over charge conditions.
- Determine needed action.
- Incorporate battery operation and safety.
- Practice battery safety.
- Outline battery construction.
- Discuss maintenance-free batteries.
- Explain battery operation.
- Evaluate batteries.
- Confirm proper battery capacity and application for vehicle.
- Test battery state of charge.
- Perform battery capacity and load test.
- Perform battery conductance test.
- Perform battery charging according to manufacturer’s recommendations.
- Inspect and service a battery in a vehicle including connections and terminals.
- Measure parasitic current drain (ignition off draw) and determine the cause of excessive parasitic current drain.
- Discuss memory loss and re-initialization after battery disconnect.
- Perform vehicle jump starting using jumper cables and booster battery (vehicle) or a jumper (booster) pack.
- Determine needed action.
- Analyze starting systems.
- Describe starting system operation.
- Identify starting system components.
- Discuss starting system controls.
- Test starting systems.
- Discuss mechanical and electrical slow-crank and no crank conditions.
- Check starter control relays and solenoids.
- Perform starter current draw test.
- Perform starter circuit voltage drop tests.
- Perform a starter no load test.
- Inspect and test starting system components and circuits.
- Determine needed action.
- Identify microprocessor controlled systems.
- Examine processor controlled charging systems.
- Identify processor controlled starter circuits.
- Identify processor controlled lighting circuits.
- Examine processor controlled power accessory circuits.
Competencies Revised Date: 2020
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