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Automotive Ignition Systems Explained - General Motors Overview
This book, at more than 90 pages long, concentrates on testing procedures and techniques dealing specifically with General Motors family of vehicles (Chevy, Buick, Pontiac, Old, Cadillac, GMC). The book provides specific operational characteristics or how the system works, as well as how to test them. Special care is given to present the procedures without the use of expensive equipment and tools. Often times with just a test light and multi-meter. Here we cover most of GM's previous and current ignition systems.The first section presents the principles and inner workings of modern diagnostic systems from a generalized perspective for those of you not familiar with the subject. Careful attention is given to expose all major systems from distributor based to COP or distributorless ignition. The other subsequent sections concentrate on GM specific procedures. Ignition waveform are also shown in this book.
This book is a great companion for those of you wanting to learn more about the subject of automotive ignition systems, for both professional and DIY technicians, auto-tech students and instructors wanting to use material for in-class training. It is also a deal reference work for on-the-job ignition testing. All sections have been updated to reflect modern state of technology, since all out books are periodically updated as technology changes. With that in mind, enjoy your readings.
Table of Contents
* - Basics of Modern Automotive Ignition Systems, The Mechanical Ignition System, The ignition switch, The Electronic Ignition System, pick-up coils, speed sensors, relluctor tone rings, switching of the ignition coil and voltage level developed in newer systems, The Distributorless Ignition system
* - GM H.E.I. (High Energy Ignition) & Ignition Bypass (High energy ignition, also known as H.E.I, is an electronic ignition system introduced by General Motors. Learn to test HEI in detail.)
* - General Motors Ignition Cassette System (Cadillac and Olds 2000-up 4, 6 and 8 cyl.) - (In the years GM has been building engines with distributorless ignition systems, several different configurations have been used, largely dictated by geography. In one common approach, the spark plugs for two cylinders share one ignition coil between them. Learn to test these systems in detail.)
* - GM Compression Sense Ignition (SAAB and GM Systems) (CSI enables the Powertrain Control Module to determine proper engine phasing (cam position) without the use of a separate camshaft position sensor. Learn this advanced ignition system from GM.)
* - Testing GM Ignition Control System on 4.3L, 5.0L and 5.7L (This section will take you step by step through the whole process of diagnosing and troubleshooting a BAD Ignition Control Module and Ignition Coil for the 4.3L, 5.0L and 5.7L engine family.)
* - Testing the Ignition Control System on a QUAD-4 (GM 2.4L) (In this section we've made diagnosing the Ignition Control Module (ICM) and the Crankshaft Position Sensor (7X CKP) as easy and as pain free as possible. With this test, you'll be able to pinpoint the problem to the Ignition Control Module (ICM) or the Crankshaft Position Sensor (7X CKP Sensor).)
* - Testing Ignition Control System on a GM 3.1L, 3.4L (This section will help you test the Ignition Control Module (ICM) and 3X, 7X Crankshaft Position (CKP) Sensor on all of the GM 3.1L and 3.4L overhead valve engines. So, if you're driving a Chevy, a Buick, a Pontiac, or an Oldsmobile with either one of these engines, not forgetting the Isuzu Rodeo or Trooper, this 'How to Test the Ignition Module' and 7X (3X) section applies.)
* - Testing GM COP Ignition Systems on GM 4.8L, 5.3L, 6.0L and 8.1L (Testing the GM Coil-on-Plug Ignition Coils on your Pick Up truck or SUV is pretty simple and this section will show you just how to do it. Every step is explained in plain English and with photos to guide you every step of the way. So if your GM is suffering a Misfire Condition this is for you.
