10 Auto Electricity and Electronics
Chapter 15
Ignition Systems . . . . . . . . . . . . . . . . . . . . . 271
Ignition System Fundamentals 272
Ignition System Operation / Primary and Secondary
Circuits
Spark Plugs 273
Spark Plug Sizes / Non-Resistor and Resistor Spark
Plugs / Spark Plug Seats / Spark Plug Reach / Spark
Plug Heat Range / Spark Plug Gap
Secondary Wires 275
Ignition Coil 275
Primary and Secondary Windings / Ignition Coil
Operation / Ignition Coil Designs / Wasted Spark
Ignition Coil
Bypass Circuit 278
Firing Order 279
Distributorless Ignition Systems 279
Distributorless Ignition Operation
Direct Ignition Systems 281
Ionic Combustion Sensing / Dual Spark Plug Ignition /
Multiple Discharge Ignition
Distributor-Based Ignition Systems 283
Ignition Distributor Operation / Electronic Ignition
Systems / Contact Point Ignition Systems / Crankshaft
Triggered Ignition
Ignition Timing 291
Electronic Spark Advance / Distributor Centrifugal
Advance / Distributor Vacuum Advance
Chapter 16
Fuel and Emission Control Systems
Electronics . . . . . . . . . . . . . . . . . . . . . . . . . 297
Types of Electronic Fuel Systems 298
Fuel Subsystems 298
Fuel System Diagrams and Schematics 298
Fuel System Block Diagrams / Conventional Fuel
System Diagrams / Fuel System Schematics
Electronic Gasoline Injection 301
Gasoline Injectors / Unitized Multiport Injection /
Indirect and Direct Gasoline Injection / Air-Assisted
Fuel Injection
Electronic Gasoline Injection Control 308
Injection Timing / Injector Pulse Width / Open Loop
and Closed Loop / Oxygen Sensors / Idle Speed
Electronic Diesel Injection 316
Solenoid Diesel Injectors / Piezo Diesel Injectors /
Glow Plug System
Computer-Controlled Carburetors 318
Computer-Controlled Carburetor Operation / Electric
Choke / Solenoid Bowl Vent / Fuel Shut-Off Solenoid
Electric Fuel Pumps 319
Inertia Switch
Throttle-By-Wire Systems 321
Emission Control Electronics 321
Computer-Controlled Catalytic Converter / Exhaust
Gas Recirculation Systems / Electronic Evaporative
Emissions Control
Electronic Turbocharger Control 325
Chapter 17
Lighting, Instrumentation,
Navigation Systems. . . . . . . . . . . . . . . . . . . 329
Light 330
Lightbulbs 330
Lighting Systems 330
Headlight System / Turn, Emergency, Stoplight
Systems / Light Failure System
Instrumentation Gauges 339
Gauge Types / Temperature Gauge / Fuel Gauge /
Fuel Consumption Indicator / Low Fuel Warning
Light / Voltmeter Circuit / Oil Pressure Gauge / Low
Oil Level Indicator / Tachometer
Instrument Cluster Construction 343
Instrument Panel Wiring / Speedometer/Engine
Tachometer / Digital Instrument Clusters /
Instrumentation ECM / Instrumentation Power
Supply / Instrumentation Switches / Monitor /
Heads-Up Display / Video Display
Voice Alert System 351
Voice Activated System 352
Navigation System 352
Vehicle Tracking System 353
Chapter 18
Wiper and Horn Systems . . . . . . . . . . . . . . 357
Windshield Wiper System 358
Wiper Operation / Wiper Motor Construction