electronic components and principles
TRANSCRIPT
![Page 1: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/1.jpg)
Permission granted to reproduce for educational use only.1© Goodheart-Willcox Co., Inc.
![Page 2: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/2.jpg)
Permission granted to reproduce for educational use only.2© Goodheart-Willcox Co., Inc.© Goodheart-Willcox Co., Inc.
Chapter 1
Overview of Electrical/Electronic Systems
![Page 3: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/3.jpg)
Permission granted to reproduce for educational use only.3© Goodheart-Willcox Co., Inc.
Objectives
Give examples of electrical and electronic devices.Summarize why electric and electronic devices have replaced many mechanical devices in the automobile.Explain how modern automotive systems interact.Recall the basic components of a computer network and their function.
![Page 4: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/4.jpg)
Permission granted to reproduce for educational use only.4© Goodheart-Willcox Co., Inc.
Objectives
Identify the major parts of electrical/electronic systems.Explain the basic operation of major electrical/electronic systems of an automobile.Recall the typical locations of electric/electronic components.
![Page 5: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/5.jpg)
Permission granted to reproduce for educational use only.5© Goodheart-Willcox Co., Inc.
Electric vs. Electronic
Electric deviceUses electricity to do work
![Page 6: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/6.jpg)
Permission granted to reproduce for educational use only.6© Goodheart-Willcox Co., Inc.
Electric vs. Electronic (Cont.)
Electronic deviceMade of semiconductor materialAlters flow of electricity
![Page 7: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/7.jpg)
Permission granted to reproduce for educational use only.7© Goodheart-Willcox Co., Inc.
Advantages of Electrical/Electronic Devices
Better efficiencyFasterMore accurateHigher fuel economy and performanceFewer toxic emissions
![Page 8: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/8.jpg)
Permission granted to reproduce for educational use only.8© Goodheart-Willcox Co., Inc.
System Interaction
All major systems work togetherFaults may be difficult to traceTraining is absolutely necessary
![Page 9: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/9.jpg)
Permission granted to reproduce for educational use only.9© Goodheart-Willcox Co., Inc.
Review
What are electronic components composed of?
Answer: semiconductor material
![Page 10: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/10.jpg)
Permission granted to reproduce for educational use only.10© Goodheart-Willcox Co., Inc.
Review
Which of the following is an advantage of electronic components vs. mechanical components?A. They have more moving parts.B. They are more accurate.C. They require no electricity.D. They need no maintenance.
Answer: B. They are more accurate.
![Page 11: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/11.jpg)
Permission granted to reproduce for educational use only.11© Goodheart-Willcox Co., Inc.
Computer Systems
SensorsComputerActuatorsWiring harness
![Page 12: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/12.jpg)
Permission granted to reproduce for educational use only.12© Goodheart-Willcox Co., Inc.
Computer Systems (Cont.)
![Page 13: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/13.jpg)
Permission granted to reproduce for educational use only.13© Goodheart-Willcox Co., Inc.
Computer Systems (Cont.)
Sensors detectMovementTemperature changesPressure varianceChemical contentPart locationRotation speedSoundsOther conditions
(Napa Auto Parts)
![Page 14: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/14.jpg)
Permission granted to reproduce for educational use only.14© Goodheart-Willcox Co., Inc.
Computer Systems (Cont.)
ComputerComplex set of electronic circuitsUses sensor inputsProduces programmed outputs
(Napa Auto Parts)
![Page 15: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/15.jpg)
Permission granted to reproduce for educational use only.15© Goodheart-Willcox Co., Inc.
Computer Systems (Cont.)
ActuatorsReceive signals from computerProduce movement to alter system operation
(Napa Auto Parts)
![Page 16: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/16.jpg)
Permission granted to reproduce for educational use only.16© Goodheart-Willcox Co., Inc.
Computer Systems (Cont.)
On-board diagnosticsAnalyze circuit operationDisplay warning or malfunction indicatorStore trouble codesScan tool retrieves codes
![Page 17: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/17.jpg)
Permission granted to reproduce for educational use only.17© Goodheart-Willcox Co., Inc.
Review
The components of an automotive computer system include the _____, computer, actuators, and wiring harness.
Answer: sensors
![Page 18: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/18.jpg)
Permission granted to reproduce for educational use only.18© Goodheart-Willcox Co., Inc.
Review
What is the function of the main computer in an automotive computer system?
Answer: It analyzes inputs from the sensors and sends instructions to the actuators.
![Page 19: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/19.jpg)
Permission granted to reproduce for educational use only.19© Goodheart-Willcox Co., Inc.
Starting System
ComponentsIgnition switchStarter solenoidStarting motor
![Page 20: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/20.jpg)
Permission granted to reproduce for educational use only.20© Goodheart-Willcox Co., Inc.
Starting System (Cont.)
![Page 21: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/21.jpg)
Permission granted to reproduce for educational use only.21© Goodheart-Willcox Co., Inc.
Charging System
ComponentsAlternator (generator)Voltage regulator
![Page 22: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/22.jpg)
Permission granted to reproduce for educational use only.22© Goodheart-Willcox Co., Inc.
Charging System (Cont.)
![Page 23: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/23.jpg)
Permission granted to reproduce for educational use only.23© Goodheart-Willcox Co., Inc.
Ignition System
PurposeIgnites air-fuel mixtureMonitors engine speed and other variables
ComponentsIgnition switchIgnition coilSpark plugs
![Page 24: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/24.jpg)
Permission granted to reproduce for educational use only.24© Goodheart-Willcox Co., Inc.
Ignition System (Cont.)
![Page 25: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/25.jpg)
Permission granted to reproduce for educational use only.25© Goodheart-Willcox Co., Inc.
Fuel System
Electronic fuel injectionUsed in all late-model vehiclesInjector pulse width controls fuel to engineAlmost instantaneous response to sensor input
![Page 26: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/26.jpg)
Permission granted to reproduce for educational use only.26© Goodheart-Willcox Co., Inc.
Fuel System (Cont.)
Electronic Fuel Injection
![Page 27: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/27.jpg)
Permission granted to reproduce for educational use only.27© Goodheart-Willcox Co., Inc.
Lighting System
Provides illumination for night drivingIncludes switches to control bulb operationFuture systems
Fiber opticsMultiplexing
![Page 28: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/28.jpg)
Permission granted to reproduce for educational use only.28© Goodheart-Willcox Co., Inc.
Lighting System (Cont.)
![Page 29: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/29.jpg)
Permission granted to reproduce for educational use only.29© Goodheart-Willcox Co., Inc.
Instrumentation Systems
Navigation systemDisplays road mapProvides vehicle location and direction
Driver information systemInforms driver of vehicle conditionsSome use alphanumeric code
Climate control system
![Page 30: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/30.jpg)
Permission granted to reproduce for educational use only.30© Goodheart-Willcox Co., Inc.
Wiper/Washer System
Primarily electricalSmall DC motor operates wipersElectric pump in washer fluid reservoir
![Page 31: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/31.jpg)
Permission granted to reproduce for educational use only.31© Goodheart-Willcox Co., Inc.
Horn System
Switch on steering wheelRelay sends current to horn
![Page 32: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/32.jpg)
Permission granted to reproduce for educational use only.32© Goodheart-Willcox Co., Inc.
Horn System (Cont.)
![Page 33: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/33.jpg)
Permission granted to reproduce for educational use only.33© Goodheart-Willcox Co., Inc.
Seat, Window, Lock, and Sound Systems
Power seat systemPower window systemPower lock systemSound system
![Page 34: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/34.jpg)
Permission granted to reproduce for educational use only.34© Goodheart-Willcox Co., Inc.
Seat, Window, Lock, and Sound Systems (Cont.)
Power Lock System
![Page 35: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/35.jpg)
Permission granted to reproduce for educational use only.35© Goodheart-Willcox Co., Inc.
Seat, Window, Lock, and Sound Systems (Cont.)
Sound System
![Page 36: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/36.jpg)
Permission granted to reproduce for educational use only.36© Goodheart-Willcox Co., Inc.
Restraint System
Protects occupants during collisionDeploys when system detects rapid vehicle deceleration
![Page 37: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/37.jpg)
Permission granted to reproduce for educational use only.37© Goodheart-Willcox Co., Inc.
Restraint System (Cont.)
![Page 38: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/38.jpg)
Permission granted to reproduce for educational use only.38© Goodheart-Willcox Co., Inc.
Suspension System
Stability control system controls shock absorber stiffnessActive suspension system makes wheels follow road surface
![Page 39: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/39.jpg)
Permission granted to reproduce for educational use only.39© Goodheart-Willcox Co., Inc.
Suspension System (Cont.)
Computer-Controlled Suspension System(Toyota)
![Page 40: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/40.jpg)
Permission granted to reproduce for educational use only.40© Goodheart-Willcox Co., Inc.
Brake System
Anti-lock brake system maintainsDirectional stabilitySteerability
![Page 41: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/41.jpg)
Permission granted to reproduce for educational use only.41© Goodheart-Willcox Co., Inc.
Brake System (Cont.)
Anti-Lock Brake System(Mercedes Benz)
![Page 42: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/42.jpg)
Permission granted to reproduce for educational use only.42© Goodheart-Willcox Co., Inc.
Traction Control System
Prevents slippage on slick pavementApplies brake to wheels individually
![Page 43: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/43.jpg)
Permission granted to reproduce for educational use only.43© Goodheart-Willcox Co., Inc.
Review
Which automotive system produces the high voltage that operates a vehicle’s spark plugs?
Answer: ignition system
![Page 44: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/44.jpg)
Permission granted to reproduce for educational use only.44© Goodheart-Willcox Co., Inc.
Review
What is the purpose of a stability control system?
Answer: It controls shock absorber stiffness.
![Page 45: Electronic Components and Principles](https://reader030.vdocument.in/reader030/viewer/2022020119/586cbceb1a28abda3a8be374/html5/thumbnails/45.jpg)
Permission granted to reproduce for educational use only.45© Goodheart-Willcox Co., Inc.
Review
What are the principal components in an anti-lock brake system?
Answer: wheel speed sensors, computer, hydraulic actuator