Guide to Modern OEM Diagnostics Systems

OBD, ECU, diagnostics, emissions - Explained by Greg Banish

Welcome to the world of onboard diagnostics (OBD) systems, where vehicle diagnostics and emissions control are made easy! OBD has been an integral part of vehicle design for decades, and since 1996, OBD-II has been mandatory for all cars manufactured in the United States. These systems have evolved to meet emissions requirements placed on the automotive industry, resulting in increased complexity in electronic controls and error reporting.

Luckily, there has been some commonization in the industry, making it slightly easier for repair technicians and do-it-yourself enthusiasts to work on these challenging systems. In fact, many states now require vehicles to pass an OBD check during registration renewal, emphasizing the importance of proper operation to consumers.

If you want to dive deeper into the world of modern original equipment manufacturer (OEM) diagnostics systems, you've come to the right place! Greg Banish, a former diagnostics and performance calibration engineer, serves as your expert guide in this insider's guidebook. He takes you through the critical functions of the electronic control unit (ECU), shedding light on why the dreaded "check engine" light on your dashboard is illuminated. When problems arise, Greg provides strategies for troubleshooting and finding solutions.

While it's impossible to list every imaginable repair, this book establishes a solid foundation by explaining ECU logic in plain English. In addition to repair tips, you'll find valuable advice for those interested in modifying their vehicles while still maintaining the full functionality of the emissions and diagnostics systems.

Harness the power of the ECU diagnostics to improve your ability to find and execute the right repair on your vehicle. Whether you're a DIY enthusiast or simply want to understand how these systems work when dealing with service professionals, this guide is an essential resource.

Here are some key reasons why this book stands out:

1. Up-to-date Information: In the rapidly changing landscape of automotive technology, this book is the most current on the market, ensuring you're equipped with the latest knowledge.
2. Valuable Insights: Even seasoned veterans can benefit from the more current and detailed information provided on OBD-II diagnostics and emissions.
3. Expert Author: Greg Banish is a recognized authority in this field, conducting training seminars nationwide. You can trust his expertise and experience.

About the Author:

Greg Banish is an automotive engineer, trainer, and consultant based near Detroit, Michigan. He holds a degree in mechanical engineering and has worked extensively with ECUs, playing a crucial role in their development and implementation. His expertise spans base engine mapping, torque control, diagnostics, vehicle emissions, and hybrid-vehicle

Each Haynes manual is written for the do-it-yourselfer and provides step-by-step instructions based on a complete disassembly of the vehicle.  This hands-on experience provides the reader with specific and detailed instructions for performing everything from basic maintenance and troubleshooting to a complete engine overhaul.  The models and model years covered in this title are as follows:

320i & 320xi (2012-2014)
325i, 325xi (2006)
330i (2006)
330xi (2006)
328i (2007-2014)
328xi (2007-2014) 

Exclusions: Does not include information specific to M3 models, turbocharged models or diesel models, or 2006 325Ci/330Ci Coupe and Convertible models based on the E46 chassis. Also does not include information on the convertible top or rollover protection system

This Haynes automotive repair manual includes 700+ photos and the following chapters: 

Introduction
Chapter 1: Tune-up and routine maintenance
Chapter 2: Part A: Engine
Chapter 2: Part B: General engine overhaul procedures
Chapter 3: Cooling, heating and air conditioning systems
Chapter 4: Fuel and exhaust systems
Chapter 5: Engine electrical systems
Chapter 6: Emissions and engine control systems
Chapter 7: Part A: Manual transmission
Chapter 7: Part B: Automatic transmission
Chapter 7: Part C: Transfer case
Chapter 8: Clutch and driveline
Chapter 9: Brakes
Chapter 10: Suspension and steering systems
Chapter 11: Body
Chapter 12: Chassis electrical system
Wiring diagrams