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Vehicle Networks (C.A.N.) Unlocked

Available Formats:  Online Training Course | DVD



On-Demand Training



Product Details:

After attending this live webinar, a technician will have a thorough understanding of the two common types of networking systems used on vehicles today.  They will have an understanding of how to diagnose networking issues commonly found on today’s vehicles.

Topics Covered:

  • What is networking?  Students will be presented with an overview of multiplexing, networking systems and how the various modules are integrated onto a common communication network.  Students will learn the advantages and disadvantages of this process from both a design and diagnostic view.
  • Types of CAN: Loop/Star Students will learn the two common ways these vehicles are wired by way of the loop and star configurations.  They will learn the necessary steps involved with isolating various module on each of these designs.
  • High Speed vs. low: Students will be presented the difference between high and low speed circuits and will learn the priority of various modules dictating their placements.  They will also be presented with various node and sub node scenarios.
  • Diagnosing with scan tools:  Students will be shown how to use a scan tool effectively to diagnose various types of network issues including the dreaded no communications message.
  • Case studies reviewed: John reviews case studies utilizing various tooling will be used to show the thought process used when confronted with a controller area networking issue.

Instructor Bio:

John Forro has achieved A.S.E. Master certified automobile technician with L-1 Advanced Engine Performance certification as well. John has also achieved certifications in heavy truck and body repair throughout his career.  John has authored 20 Automotive manuals to date, produced several automotive training videos appeared in many of the industry trade magazines and won the Motor Top 20 tool award for Silver Bullets. John is also certified in heavy duty truck, A-C Recovery, body mechanical, State emissions and is also one of the State’s lemon-law inspectors. John continues to be a working automotive instructor and technician, which enables him to relate to the students needs as technicians.  John has taught for several of the Nation’s leading companies such as Snap-on, Firestone, Mac, OTC, A/C Delco, Federated, Midas, NAPA, ATA, ASA, ASC, STS, LTS, CARS and many others. John has been selected to meet the training needs of several State’s including Ohio, Pennsylvania, Michigan, Indiana, Illinois, Wisconsin, Maryland, New York, Nevada, California, Florida, Hawaii, Missouri, New Jersey, South Carolina, and North Carolina.  John is extremely proud of AST and is committed to its first rate reputation, which he feels will be maintained by providing the highest standard training classes and materials, along with customer satisfaction that is unsurpassed in our industry!


On-Demand Training Course:

  • Online Training Video
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  • Same content as the On-Demand Training Video