The Electronic/Electrical changes to late model vehicles are not limited to fuel delivery and ignition systems alone.  Every manufacturer continues to make huge changes to basic electrical systems.  A Body Control Module (BCM) now controls many components that were formally hardwired.  Along with the BCM module becoming a standard feature, the number of new computers on a vehicle continues to increase.  Many basic functions are dependent on inter module communication.

Sound complicated…?  Sure is, but is avoiding keeping up with the changes the right answer. 

A proper understanding of the electrical system on a newer GM vehicle will go a long way to making your job easier.  In some cases a repair on a newer vehicle may be simpler than repairing something on an older vehicle if you understand some of the On Board Diagnostics available to you.

Body computers have become standard equipment since 98/99 on GM trucks regardless of the number of options or equipment level package.  This course will deal with the operation of the BCM computer.  BCM computer Inputs and Outputs will be taught as well as some additional accessories.  Additionally, network communications between the modules will also be taught.  Don’t miss the opportunity to learn this essential information.

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GM “No Start” Anti-Theft Systems & Diagnostics

Did you know Passlock was standard equipment on 1996 and up Cavaliers and Sunfires?

General Motors first introduced (VATS), an anti-theft system, which proved to reduce vehicle theft in 1986 on Corvette models. Vehicle theft has increased since the original VATS system, and as a result, various anti-theft systems have been installed on most GM vehicles since then. The original VATS have changed and there are five different systems that have been used over the years.

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GM AIR BAG DIAGNOSTICS

Airbags are now standard equipment on all GM vehicles. GM had already began installing Airbags into most of their vehicles prior to becoming mandatory by law. Type of Airbag Systems used by GM in the last 12 years have changed significantly. How does this effect service?

This course will cover 1990 to 1998 Airbag systems used by GM over the past 12 years. Repair procedures, service precautions, scan tool diagnostics, and component replacement will be highlighted. New service tools will be demonstrated.

The students will perform scan tool diagnostics on fully operational simulator. Customer calls and asks "My Airbag light is on, Can I Drive my car ?"

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GM Truck OBD II Fuel Injection 

GM Trucks and SUVs continue to be among the most popular vehicles sold. They have experienced more technical and mechanical advancements in the past 8 years than any other time period.

OBD II diagnostics, 4-wheel ABS, Airbags, CSFI, Coil per Plug Ignition and how the addition of a Body Computer (BCM) are among the technical advancements that require an Increase In understanding and diagnostic skills to properly service these vehicles.

This course will include highlights of the new accessories and electrical systems found on theses vehicles. The use of a BCM on newer pick-ups will be introduced. An overview of the all-new 4200 engine will be covered. Fuel delivery and Ignition systems will be detailed for the 4800, 5300, and 6000 engines. The CSFI fuel delivery as well as Ignition systems will be reviewed. Scan tool diagnostics and trouble shooting of the Ignition system will also be taught.  

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