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This class was created to help technicians develop the critical thinking skills necessary for accurate and fast diagnostics of failed vehicles in the California smog test program. The main focus of the class is to teach the diagnostic strategies today’s technicians should follow to minimize their diagnostic time and improve accuracy. This class will emphasize the utilization of the diagnostics systems that are built into today’s vehicles such as Mode 6, Fuel Trim, and Emission Diagnostic Monitors, and this will be especially helpful for the new smog program that utilizes the DAD for emission testing. The class begins with a chapter on basic computer operation as a refresher on how the computers work, then discusses the OBD II system purpose and function, then moves on to some diagnostic approaches such as the 8-step approach, Symptom-based diagnostics, Mode 6, and Fuel trim diagnosis.

 The diagnostic strategies discussed in this book are valid and real-world. This course also includes time in the shop with practical labs to enhance the materials learned in class. These labs will require the student to hook up a scan tool to monitor the OBD II system, identify the 9 modes of operation in the global OBD II system, Interpret Mode 6 Data, and perform Fuel Trim calculations. When finished the student should have developed knowledge and skills to accurately diagnose most symptoms-based and code-related concerns of failed vehicles. 

The instructor's version comes complete with multimedia power points, labs, and tests. Everything you need to put on a professional class.