10070305Electronics
Course Information
Description
This course will teach students to diagnosis type and operation temperature, pressure and speed sensors. Students will be introduced to the computer machine communication systems. Students will be shown the procedure for recalling trouble codes and diagnostic of the code(s).
Total Credits
3
Course Competencies
  1. Demonstrate safe work habits while in a shop environment
    Assessment Strategies
    Skill demonstration in shop
    Criteria
    Wear steel-toed shoes, safety glasses, long sleeved top, uniform type pants or jeans
    Clothing is not loose or ripped
    Jewelry does not interfere with shop tasks
    Hair is tied back to prevent accident with moving equipment
    Clear shop area for safely raising and supporting vehicle or equipment
    Identify safety items and hazards

  2. Use Ohm's Law to demonstrate / predict DC electrical behavior
    Assessment Strategies
    Test

  3. Explain fundamental electrical/electronic system principles
    Assessment Strategies
    Test
    Criteria
    Examination includes answers to questions regarding fundamental electrical/electronic principles

  4. Use a multi-meter (DVOM, DMM) to measure voltage, amperage, and resistance
    Assessment Strategies
    Skill demonstration in shop
    Criteria
    Recognize when multimeter battery has failed
    Test multimeter fuses
    Replace multimeter fuses if needed
    Explain the different functions of a multimeter
    Use metric prefixes and abbreviations for measuring voltage, current, and resistance
    Verify the correct operation of components disconnected from the circuit
    Measure available voltages with key off and engine off
    Measure available voltages with key on and engine off and all accessories off
    Utilize the Min/Max feature of multimeter to measure cranking voltage at the batteries
    Compare voltage measurements at the alternator and dash gauge reading with engine running
    Recommend any repairs needed

  5. Describe the use of microprocessors and other electronic devices in equipment electrical systems
    Assessment Strategies
    Test, Skill demonstration in shop
    Criteria
    Identify primary electronic devices used in controller circuits such as potentiometers, magnetic
    pickups, and variable resisters
    Build a signal circuit for an electronic central processing unit/controller
    Describe the basic functions of a controller circuit
    Describe procedures and tools for diagnosis of electronic controllers and circuits

  6. Use ISO schematics in diagnostic procedures

  7. Maintain electrical/electronic system terminals, connectors, wire, and cable
    Assessment Strategies
    Skill demonstration in shop
    Criteria
    Wire harness includes proper length wire
    Wire harness includes the correct selection of terminals for the gage (size) of wire
    Wire harness includes the correct gage (size) of wire
    Wire harness includes the correct amount of insulation stripped from wire
    Wire harness includes heat shrink where necessary
    Wire harness includes proper crimping of terminals to wire
    Wire harness withstands strength test
    Wire harness includes the proper type of protective loom
    Battery cable selection is the correct gage (size) for circuit requirements
    Battery cable selection is the correct length
    Battery cable has the proper amount of insulation removed
    Battery cable terminals are orientated before they are crimped
    Battery cable terminals are correct for the gage (size) of cable
    Battery cable terminals are correct diameter for their connection points
    Battery cable terminals are crimped using the correct crimping dies
    Battery cable has solder applied to inside of both terminal ends
    Battery cable includes adequate amount of heat shrink
    Battery cable includes heat shrink that has not been overheated
    Soldering repair includes the removal of the damaged selection of wire
    Soldering repair includes the placement of the correct size and length of heat shrink over the two ends of the wire
    Soldering repair includes a small overlap of the two splice ends
    Soldering repair includes a splice clip if needed
    Soldering repair includes the correct amount of insulation removed from the wire
    Soldering repair includes a uniform amount of solder applied to the joint
    Soldering repair includes heat shrink over the splice joint
    Soldering repair includes heat shrink that has not been overheated

  8. Explain Pulse-Width Modulation

  9. Interpret ISO and Non-ISO electrical system diagrams and flow charts
    Assessment Strategies
    Test, Scenario, Verbal, Skill demonstration in shop
    Criteria
    Select diagrams and charts for the assigned piece of equipment
    Interpret the electrical wiring diagram and flow chart
    Diagnose electrical system problem on piece of equipment
    Identify the shown schematic symbol by name
    Describe additional means of showing a particular symbol
    Locate the component that is represented by the symbol on a piece of equipment
    Describe the function and operation of the component as it relates to circuit operation
    Identify sub circuits within starting system
    Identify sub circuits properly color coded
    Describe operation of the circuit starting at the battery and ending at the starter motor
    Interpret electrical/electronic symbols
    Color code each specific circuit using different colors for different scenarios

This Outline is under development.