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Index
Title Page
Copyright
Brief Contents
Contents
Note to Students
Acknowledgments
Chapter 1: Strategy-Based Diagnostics
Introduction
Vehicle Service History
Strategy-Based Diagnostic Process
Documenting the Repair
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 2: Engine Condition Diagnostics
Introduction
Engine Mechanical Testing
Vacuum Gauge Testing to Diagnose Engine Performance Problems
A Quick Cranking Vacuum Test Using a Scanner
Where to Look for Vacuum Leaks
Overview
Cylinder Integrity Affects Engine Performance
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 3: Engine Operation Diagnostics
Introduction
Using Spark Plugs to Investigate a Cylinder
Oil-Fouled Spark Plugs and Engine Performance
Spark Plug Operation Failures
The Exhaust System Affects Engine Performance
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 4: Engine Noise, Vibration, and Fluid Intrusion
Diagnosing Engine Noises
Valve Train Noises
Motor Mount Faults
Abnormal Combustion: Pre-ignition and Detonation
Oil Consumption Testing
Diagnosing Head Gasket Failure and Coolant Loss without Visible Leaks
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 5: Compression-Ignition and Spark-Ignition Engines
Introduction
Engine Classification
Atmospheric Pressure
Energy Relationships
Four-Stroke Spark-Ignition Engines
Atkinson-Cycle and Miller-Cycle Engines
Compression Ratio
Two-Stroke Spark-Ignition Engines
Rotary Spark-Ignition Engine
Compression-Ignition Engines
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 6: Fuels
Introduction
Gasoline
Ethanol
Methanol
CNG
Propane
Synthetic Fuels
Fuel Cells
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 7: On-Board Diagnostics and Vehicle Control Modules
Powertrain Controls Introduction
OBD I
Understanding the OBD II System
Comprehensive Component Monitor
Heated Oxygen Sensor Monitor
The Malfunction Indicator Light
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 8: Diagnosing Engine Faults with Diagnostic Trouble Codes
Diagnostic Trouble Codes
One-Trip DTCs
Code Identification
Using the Datastream for Failure Analysis
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 9: Network Communications
Network Communication
Network Communication Protocols
Controller Area Network Operation
Network Faults
Network Testing Procedures
Using a Lab Scope for Network Diagnosis
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 10: Introduction to Diagnosing with a Scan Tool
Introduction
Overview
Connecting the Scanner
Mode $06 Operations and Uses
Modes of Operation for Powertrain Control Modules
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 11: Oscilloscopes
What Is an Oscilloscope?
Comparing a Scope to a Digital Multimeter
Introduction to Scopes
Test Leads
Scope Setup
Connecting the Scope to an Electrical Circuit
Assigning a Time-Per-Division Value
Trigger
Using Coupling on an Oscilloscope
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 12: Diagnosing with an Oscilloscope
Analysis of Motor Current Draw
Using a Digital Storage Oscilloscope for Diagnosis
Waveforms from the Ignition Coil and the Fuel Injector Operation
Connecting Transducers
Connecting an Amp Clamp
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 13: Ignition System Fundamentals
Ignition System Fundamentals
The Law of Induction
Ignition System Design
Types of Ignition Systems
Overview
Spark Plugs
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 14: Types of Ignition Systems
Exploring Automotive Ignition Systems
Electronic Ignition Systems and Components
Hall-Effect Sensors and Their Operation
Distributorless Ignition Systems
Crankshaft Position and Camshaft Position Sensor Operation
Compression Sense Ignition System Overview
The Principles behind Coil-on-Plug and Direct-Ignition Systems
Distributorless Ignition System Timing
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 15: Ignition System Service
Ignition System Service
Preparation for Servicing the Spark Plugs
Distributor Cap and Rotor Service
Ignition Coil Failures and Diagnosis
Basic Coil Testing
Ignition Coil Service
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 16: Using Scopes to Test the Ignition System
Primary Waveform Analysis
Basic Scope Setup for Current Ramping Ignition Coils
Ignition Waveform Analysis
Ignition Scope Secondary Terminology
Secondary Ignition Diagnosis
Secondary Testing for Waste Spark/Distributorless Ignition Systems
Universal Tests for Oscilloscope Ignition Systems
Waveform Failure Examples
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 17: The Fuel Supply Components of the Electronic Fuel-Injection System
The Fuel Supply Components of the Electronic Fuel-Injection System
Fuel Systems and Fuel Rail Construction
Principles of Electronic Fuel Injection
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 18: Fuel-Injection Sensors—Inputs
Electronic Fuel-Injection Sensors
Pressure Sensors
Switches
Speed Sensors
Oxygen Sensors
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 19: Electronic Fuel-Injection Output Devices
Electronic Fuel-Injection Output Devices
Powertrain Control Module
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 20: Vehicle Emissions Systems
What Is an Evaporative Emissions Control System?
Crankcase Ventilation
Exhaust Gas Recirculation Systems
Air-Injection Reaction System
Catalytic Converter
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 21: Gasoline Direct Injection
Introduction
Piston Designs
Electronic Control Modes of Operation
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 22: Variable Valve Timing
Variable Valve Timing
Variable Valve Timing Systems from Original Equipment Manufacturers
Oil Pressure Faults
Circuit/System Testing
Designs of Variable Valve Timing Actuators
Magnetically Controlled Phasers
Variable Displacement System/Displacement on Demand
Cam Phaser Replacement
Clearing and Relearning Procedures for Scan Tools
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Chapter 23: Supercharging and Turbocharging
Forced Induction
Supercharger Overview
Turbocharger Overview
Boost Control Operation
Potential Turbocharger Issues
VGT/VNT Turbocharger Diagnosis
Ready for Review
Key Terms
Review Questions
ASE Technician A/Technician B–Style Questions
Appendix A: 2017 ASE Education Foundation Automobile Accreditation Task List Correlation Guide
Appendix B: Generic OBD II Codes Present on All OBD II Vehicles
Glossary
Index
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