Chapter 1 Strategy-Based Diagnostics
Strategy-Based Diagnostic Process
ASE Technician A/Technician B–Style Questions
Chapter 2 Engine Condition Diagnostics
Vacuum Gauge Testing to Diagnose Engine Performance Problems
A Quick Cranking Vacuum Test Using a Scanner
Where to Look for Vacuum Leaks
Cylinder Integrity Affects Engine Performance
ASE Technician A/Technician B–Style Questions
Chapter 3 Engine Operation Diagnostics
Using Spark Plugs to Investigate a Cylinder
Oil-Fouled Spark Plugs and Engine Performance
The Exhaust System Affects Engine Performance
ASE Technician A/Technician B–Style Questions
Chapter 4 Engine Noise, Vibration, and Fluid Intrusion
Abnormal Combustion: Pre-ignition and Detonation
Diagnosing Head Gasket Failure and Coolant Loss without Visible Leaks
ASE Technician A/Technician B–Style Questions
Chapter 5 Compression-Ignition and Spark-Ignition Engines
Four-Stroke Spark-Ignition Engines
Atkinson-Cycle and Miller-Cycle Engines
Two-Stroke Spark-Ignition Engines
ASE Technician A/Technician B–Style Questions
ASE Technician A/Technician B–Style Questions
Chapter 7 On-Board Diagnostics and Vehicle Control Modules
Powertrain Controls Introduction
Understanding the OBD II System
Comprehensive Component Monitor
The Malfunction Indicator Light
ASE Technician A/Technician B–Style Questions
Chapter 8 Diagnosing Engine Faults with Diagnostic Trouble Codes
Using the Datastream for Failure Analysis
ASE Technician A/Technician B–Style Questions
Chapter 9 Network Communications
Network Communication Protocols
Controller Area Network Operation
Using a Lab Scope for Network Diagnosis
ASE Technician A/Technician B–Style Questions
Chapter 10 Introduction to Diagnosing with a Scan Tool
Modes of Operation for Powertrain Control Modules
ASE Technician A/Technician B–Style Questions
Comparing a Scope to a Digital Multimeter
Connecting the Scope to an Electrical Circuit
Assigning a Time-Per-Division Value
Using Coupling on an Oscilloscope
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
ASE Technician A/Technician B–Style Questions
Chapter 13 Ignition System Fundamentals
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
ASE Technician A/Technician B–Style Questions
Chapter 15 Ignition System Service
Preparation for Servicing the Spark Plugs
Distributor Cap and Rotor Service
Ignition Coil Failures and Diagnosis
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Chapter 16 Using Scopes to Test the Ignition System
Basic Scope Setup for Current Ramping Ignition Coils
Ignition Scope Secondary Terminology
Secondary Testing for Waste Spark/Distributorless Ignition Systems
Universal Tests for Oscilloscope Ignition Systems
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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
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Chapter 18 Fuel-Injection Sensors—Inputs
Electronic Fuel-Injection Sensors
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Chapter 19 Electronic Fuel-Injection Output Devices
Electronic Fuel-Injection Output Devices
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Chapter 20 Vehicle Emissions Systems
What Is an Evaporative Emissions Control System?
Exhaust Gas Recirculation Systems
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Chapter 21 Gasoline Direct Injection
Electronic Control Modes of Operation
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Chapter 22 Variable Valve Timing
Variable Valve Timing Systems from Original Equipment Manufacturers
Designs of Variable Valve Timing Actuators
Magnetically Controlled Phasers
Variable Displacement System/Displacement on Demand
Clearing and Relearning Procedures for Scan Tools
ASE Technician A/Technician B–Style Questions
Chapter 23 Supercharging and Turbocharging
VGT/VNT Turbocharger Diagnosis
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