# Introductory Automotive Electronics

AUT 108## Course Description

Studies automotive electrical and electronic fundamentals, magnetism, and electrical test equipment, terminology, operation, and diagnosis. Develops skills in establishing an electrical base for advanced electrical/electronic courses and in controlled learning experiences with basic electricity and electronics using meters and test equipment. (35-25)

## Outcomes and Objectives

### Gain skills in the Language Arts/Communications areas.

#### Objectives:

- Adapt a listening strategy that will provide the information required for solving the problem.
- Use prior knowledge of similar situations to determine the specific cause(s) of the problem.
- Attend to all written and oral directions that relate to the task or system under study.
- Collect and organizes oral and written information based on discussions, notes, observations, personal experiences, and data collection that will assist in the problem analysis and solution process.
- Make notes regarding symptoms, possible causes of problems, and other data that will aid in the diagnosis and problem solving process.
- Comprehend and uses cause and effect relationships presented in service manual problem solving trees.
- Consult written information to determine the applicable technical sequence required solving a specific problem.
- Evaluate the usefulness of available written information clearly and adequately when analyzing a problem.
- Use the service manual, in both database and hard copy formats, to identify the manufacturer's specifications for system operation and potential malfunctions.

### Develop skills using a fused and unfused jumper wire.

#### Objectives:

- Given a demonstration on using jumper wires, you will:

### Trace a headlamp circuit picture, go to a vehicle and test a live circuit and apply Ohm's Law Basic's and voltage drop basics to each situation.

#### Objectives:

- Given a wiring diagram, vehicle, and DMM, you will:

### Develop skills in powering up a relay and explaining operation and testing.

#### Objectives:

- Given any automotive relay, you will:

### Gain experience using the Mitchell-on-Demand computer system.

#### Objectives:

- Given a vehicle and access to Mitchell-on-Demand computer, you will:

### Gain skills using a Parasitic Drain Tool.

#### Objectives:

- Given a demonstration on using a Parasitic Drain Tool, you will:

### Gain skills testing alternator rotors using a DMM.

#### Objectives:

- Given a demonstration on testing alternator rotors for opens, shorts, grounds, and excessive resistance, you will:

### Gain skills in the Mathematics area.

#### Objectives:

- Use Ohm's Law to determine circuit parameters that are out-of-tolerance.
- Divide numbers mentally to determine conformance with the manufacturer's specifications.
- Subtract numbers mentally to arrive at a difference for comparison with the manufacturer's specifications.
- Convert variables presented in one form to another that allows an algebraic solution based on known information (e.g. converting E=IR to R=E/I).
- Interpret symbols to determine compliance with the manufacturer's specifications.
- Use conventional symbols (E for voltage, etc.) to solve problems using formulas such as Ohm's Law, E=IR.
- Solve problems occasionally by trying a suggested solution and observing the results.
- Determine the proper mathematical operation (addition, multiplication, subtraction or division) and mentally arrive at a solution.

### Gain skills in the Science area.

#### Objectives:

- Explain the difference between electrical conductors and insulators.
- Demonstrate an understanding of the characteristics of a quality electrical ground and the problems associated with having an electrical circuit inadequately grounded.
- Explain current flow and voltage in series and parallel circuits.
- Demonstrate an understanding of the processes used to locate a short circuit in the electrical/electronic system.
- Demonstrate an understanding of the correct procedure to measure the electrical parameters of voltage, current, resistance, or power.
- Demonstrate an understanding of how to correctly measure electrical current and voltage in a circuit.
- Demonstrate an understanding of and explain the role of a fuse or fusible link when used as a protective device in an electrical or electronic circuit.
- Demonstrate an understanding of and explain the use of Ohm's Law in verifying circuitry parameters (resistance, voltage, amperage).
- Demonstrate an understanding of the relationship of resistance to heat, voltage drop, and circuit parameters.
- Explain the relationship between electrical current in a conductor and magnetic field when produced in a coil such as the starter solenoid.
- Use precision electrical test equipment to measure current, voltage, resistance, continuity, and/or power.

### Gain skills in construction and learning Ohm's Law basics on series and parallel circuits.

#### Objectives:

- Use either analog or digital meters to measure voltage, current and resistance values and calculate Ohm's Law values for specific assigned exercises given discussion on simple series and parallel circuits for 12-volt systems.
- Construct jumper leads as demonstrated using soldering gun and heat shrink tubing--construct:
- Complete the following using the provided 9 volt bread board kits:
- Use a digital multimeter to measure voltage, current and resistance values.

### Develop skills using voltmeters.

#### Objectives:

- Given a demonstration on analog and digital voltmeters, you will:

### Develop skills using Ammeters.

#### Objectives:

- Given a demonstration on digital and inductive Ammeters, you will:

### Develop skills using digital Ohmmeters.

#### Objectives:

- Given a demonstration on digital Ohmmeters, you will:

### Develop skills using a circuit powered test light.

#### Objectives:

- Given a demonstration on circuit powered test lights, you will:

### Develop skills using a Digital Multimeter to test for continuity.

#### Objectives:

- Given a demonstration on using a DMM to test for continuity, you will: