With the ever increasing electronic content in today's vehicles, the need to be able to read automotive wiring diagrams is as important as knowing how to use the different equipments needed to perform diagnostic work. Reading wiring diagrams requires a bit of knowledge of electricity and experience. By knowing the laws and rules that govern electron flow, you can become very proficient at this endeavor. Feel free to play the DVD that compliments this book and referring back to it so that you can absorb all the information. Good luck and enjoy. About the Author Mandy Concepcion has worked in the automotive field for over 21 years. He holds a Degree in Applied Electronics Engineering as well as an ASE Master & L1 certification. For the past 16 years he has been exclusively involved in the diagnosis of all the different electronic systems found in today's vehicles. It is here where he draws extensive practical knowledge from his experience and hopes to convey it in his books. Mandy also designs and builds his own diagnostic equipment, DVD-Videos and repair software. Table of Content Section-1 How Fuel Injectors Work Inside a fuel injector Amount of fuel supplied to the engine PEAK-and-HOLD Injector Electronic Modules and Controllers CAN and LIN Network Systems Basics Modules that Control Entire Systems Difference between current path and data path The oscilloscope or GMM (Graphing Multi Meter) Section 2 Unified Diagnostic Strategy Power Window Circuit Power Door Locks Cooling Fan Circuit Horn Circuits Cruise Control Systems Cooling Fan Circuit
With the ever increasing electronic content in today's vehicles, the need to be able to read automotive wiring diagrams is as important as knowing how to use the different equipments needed to perform diagnostic work. Reading wiring diagrams requires a bit of knowledge of electricity and experience. By knowing the laws and rules that govern electron flow, you can become very proficient at this endeavor. Feel free to play the DVD accompanying this book and referring back to so that you can absorb all the information. Good luck and enjoy. About the Author Mandy Concepcion has worked in the automotive field for over 21 years. He holds a Degree in Applied Electronics Engineering as well as an ASE Master & L1 certification. For the past 16 years he has been exclusively involved in the diagnosis of all the different electronic systems found in today's vehicles. It is here where he draws extensive practical knowledge from his experience and hopes to convey it in his books. Mandy also designs and builds his own diagnostic equipment, DVD-Videos and repair software. AUTOMOTIVE ELECTRONIC DIAGNOSTICS (Course 1) (Including How to Read Automotive Wiring Diagrams) Table of Contents - Introduction - Electron theory and atoms - Atoms and electrons - Like forces repel and unlike forces attract. - Electron Theory and Metals - What is current? - What is resistance? - Resistance in series and parallel - Resistance and Power - What is voltage? - Introduction to transistors? - What are transformers? - Current Flow Analysis - Switches and Relays
"OBD expert, tuner, and author Keith McCord explains system architecture, function, and operation. He shows you how to use a hand-held scanner, connect it to the port connector in the car, and interpret the data. But most importantly, he shows you a practical, analytical, and methodical process for tackling a problem, so you can quickly trace its actual source and fix the root cause and not just the symptom..." -- from page 4 of cover.
Diagnostics, or fault finding, is a fundamental part of an automotive technician's work, and as automotive systems become increasingly complex there is a greater need for good diagnostic skills. Advanced Automotive Fault Diagnosis is the only book to treat automotive diagnostics as a science rather than a check-list procedure. Each chapter includes basic principles and examples of a vehicle system followed by the appropriate diagnostic techniques, complete with useful diagrams, flow charts, case studies and self-assessment questions. The book will help new students develop diagnostic skills and help experienced technicians improve even further. This new edition is fully updated to the latest technological developments. Two new chapters have been added – On-board diagnostics and Oscilloscope diagnostics – and the coverage has been matched to the latest curricula of motor vehicle qualifications, including: IMI and C&G Technical Certificates and NVQs; Level 4 diagnostic units; BTEC National and Higher National qualifications from Edexcel; International Motor Vehicle qualifications such as C&G 3905; and ASE certification in the USA.
Automotive Scan Tool PID Diagnostics (Diagnostics Strategies of Modern Automotive Systems ) By Mandy Concepcion In this section, the different techniques of scan tool parameter (PID) analysis will be exposed. Techniques involving PID analysis are quickly catching on, due to their speed and accuracy. By properly analyzing the different scanner PIDs, the technician can arrive at the source of the problem much faster and accurately. These procedures give rise to the new term “driver seat diagnostics”, since most of the preliminary diagnostic work is done through the scanner. However, these techniques will in no way replace the final manual tests that are a part of every diagnostic path. They are simply geared to point the technician in the right direction. Table of Contents INTRODUCTION (Introduction to scan tool diagnostics and the relevance of using PIDs or scanner parameter to perform the first leg of all diagnostics.) - Theory of Operation Behind the Different PIDs (Describes CARB, the difference between generic and enhanced PIDs, the FTP) - OBD II Generic PIDs (PID calculated and actual values, calculated data relationships, base injection timing, ECM value substitution) - OBD I & II General PID analysis (erasing code-or not, recording, analyzing and pinpoint tests, separating PIDs into groups) - Fuel Delivery Fault Detection (fuel delivery issues, intake air temp. sensor, BARO sensor, Engine LOAD, RPM PID, Short-Term Fuel Trims, Long-Term Fuel Trims, 60% of check engine light issues, block learn/integrators, Example 1: injector fault, Example 2: intake gasket issues, fuel status, ignition timing, MAP/MAF, TPS, O2 sensor, IAC, Closed Throttle, injector pulse width, voltage power, injector dutycycle, fuel trim cell) - Test #1 (Determining an engine’s fuel Consumption (rich-lean operation, duty-cycle to fuel trim relationship, O2 sensor to fuel trim relation, FT and vacuum leaks, ignition timing and idle control, test conclusion) - Test # 2 (Misfire Detection Strategy, EGR, Ignition and Mechanical misfires) (misfires and OBD2, scanner misfire detection – a time saver, OBD2 40 and 80 cycle misfire, ignition, injector and EGR density misfire, coil-on-plug, misfires and O2 sensor, lean O2 & Secondary misfire, O2 sensor & injector misfires, leaky injector, EGR and the MAP, Type A, B, C misfires, test conclusion) - Test # 3 (Air/Fuel Ratio Faults) (air-fuel imbalance, MAF and post O2 sensors, open-closed-loop, fuel enable, HC & CO relation to AF issues, test conclusion) - Test # 4 (BARO, MAP & MAF PID analysis) (MAP & valve timing faults, ECM behavior, fuel delivery or duty cycle test, volumetric efficiency, , test conclusion) - Test # 5 (Clogged exhaust) (clogged catalytic converter detection, TPS, MAF and converters, idle and WOT or wide open throttle values, vacuum readings, MAP to WOT chats analysis, engine and MAP vacuum, test conclusion) - Test # 6 (EGR Fault Detection) (EGR and MAP values, ECM reaction to EGR issues, EGR temp sensor, DPFE sensor, EGR and O2-MAP and lift position sensor, EGR and engine pre-loading, EGR and the ECM erroneous high LOAD issues, test conclusion) - Test # 7 (O2 Sensor Heater) (O2 heaters and why?, tough to check O2 heater issues, O2 heater effect on signal output, O2 heater bias voltage, engine off and O2 changing value, test conclusion) - Test # 8 (Resetting Fuel Trims) (resetting injection pulse corrections, long-term and short-term fuel trims, learn condition, Lambda, case study on fuel trims, FT resetting according to manufacturer, test conclusion) - Test # 9 (Engine Cranking Vacuum Test) (MAP/MAF cranking vacuum, vacuum to PID analysis, vacuum leaks, gauge-PID test, sources of leaks, cranking values, test conclusion)
Suitable for students with no experience in electricity and electronics, this volume in the CDX Master Automotive Technician Series introduces students to the basic skills and tools they need to perform electrical diagnosis in the shop. Utilizing a “strategy-based diagnostics” approach, this book helps students master technical trouble-shooting in order to properly resolve the customer concern on the first attempt.
The Auto Electricity and Electronics Workbook provides questions that reinforce and review textbook content. Organized to follow the textbook on a chapter-by-chapter basis, the Workbook assignments help students engage with the textbook content and aid in effective retention of key facts, ideas, and concepts.
From hand-held, dedicated units to software that turns PCs and Palm Pilots into powerful diagnostic scanners, auto enthusiasts today have a variety of methods available to make use of on-board diagnostic systems. And not only can they be used to diagnose operational faults, they can be used as low-budget data acquistion systems and dynamometers, so you can maximize your vehicle's performance. Beginning with why scanners are needed to work effectively on modern cars, this book teaches you how to choose the right scanner for your application, how to use the tool, and what each code means. "How To Use Automotive Diagnostic Scanners" is illustrated with photos and diagrams to help you understand OBD-I and OBD-II systems (including CAN) and the scanners that read the information they record. Also included is a comprehensive list of codes and what they mean. From catalytic converters and O2 sensors to emissions and automotive detective work, this is the complete reference for keeping your vehicle EPA-compliant and on the road!
Make Your Own Diagnostic Equipment (MYODE)This book, “Make Your Own Diagnostic Equipment” came about from the need of many readers and viewers to be able to make and maintain fairly simple diagnostic gadgets. It is meant to show and guide the professional technician and DIY mechanic on how to make these gadgets. In many cases, due to the nature of the equipment industry, it is very expensive or virtually impossible to get these tools. The reason being is that often times tool makers don't see a profit in making these simple but effective gadgets. Most, if not all of these tools, are invaluable in diagnosing modern automotive systems. You can estimate that having one of these tools, at the right time when needed, will cut your diagnostic time by at least 50%. Of course, knowing how to use it is also important. However, by definition if you've already studied how the gadget works, how to build it an also ended up building it yourself, you've already passed the learning curve and chances are you'll know how to use it. At the very least, reading this book will put you in a much better position to also asses diagnostic issues and on the use of other important tools of automotive diagnostics. It is our hope with this work to enlighten the professional and DIY mechanic on the use, construction and operation of modern automotive diagnostic gadgets. Use this information to the beast of your abilities and be on the diagnostic driver seat.Table of Contents• Automotive Low Pressure Transducer • Building the Low Pressure Transducer • Using the Low Pressure Transducer • Polarity LED Test Light • Using the Polarity LED Test Light • Stress Loaded Test Light • Using the Stress Loaded Test Light • Building the Stress Loaded Test Light • Fuel-Pump Relay & the Stress Loaded Test Light • Dual Polarity & 5 Volt Reference Test Light • Amplified Sensor Tester • Injector & Coil Magnetic Detector • Fuel Injector Pulser • ECM-ECU Memory Saver Tool• Loaded Injector Noid Light • Using the Loaded Injector Noid Light • 5 Volt Reference Simulator • Parasitic Draw Amp Meter • Using the Parasitic Draw Amp Meter • Fuse Voltage Drop Short Identifier • How to Use the Fuse Voltage Drop Short Identifier • Ignition Primary DIS - COP Probe • How to Use the Ignition Primary DIS Probe • Drive-By-Wire Motor Actuator Controller • How to Use the Drive-By-Wire Actuator Controller • Ignition Key Transponder Detector • Using the Ignition Key Transponder Detector • Magnetic Sensor Induction Simulator • Using the Magnetic Sensor Induction Simulator • O2 Sensor Simulator • Using the O2 Sensor Simulator• ABS Speed Sensor Simulator • Using the ABS Speed Sensor Simulator • ABS Speed Sensor Simulator, Bleeding the Brakes • Optical CAM and CRANK Sensor Simulator • Using the Optical CAM and CRANK Sensor Simulator • OBD-2 Data Link Connector Breakout Box • Using the OBD-2 DLC Breakout Box
