John Thornton and Friends 2026
ASI will present seven advanced diagnostic classes in 2026. Five will be presented by John Thornton, one will be presented by Scot Manna and another by Pedro De La Torre.
Network Diagnostics: Emphasis on Scan Tools / 2020 & Newer Vehicles, presented by John Thornton
February 17 & 19, 2026, 7pm CST, or watch the recording whenever you want.
Domestic Driveability Case Studies Featuring Reoccurring Diagnostic Problems, presented by John Thornton
April 7, 2026, 7pm CST, or watch the recording whenever you want.
Asian Vehicle Driveability Case Studies Featuring Reoccurring Diagnostic Problems, presented by John Thornton
May 19, 2026, 7pm CST, or watch the recording whenever you want.
Diagnostic Examples Where Only a Scope Will Do, presented by Scot Manna
July 14 & 16, 2026, 7pm CST, or watch the recording whenever you want.
Late Model Fuel Trim Diagnostics & Case Studies, presented by John Thornton
September 1 & 3, 2026, 7pm CST, or watch the recording whenever you want.
Body Electrical Output Diagnostics, presented by Pedro De La Torre
October 13 & 15, 2026, 7pm CST, or watch the recording whenever you want.
No Crank Diagnosis: Step-by-Step Testing Strategies, presented by John Thornton
December 8 & 10, 2026, 7pm CST, or watch the recording whenever you want.
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Included with registration
• Shop access for all technicians so they can watch at work or home.
• Question & answer session during live broadcasts
• PDF class manual including certificate of completion
• Unlimited video access after the recording is posted to your ASI library
How it works
• Before the class, you will receive emails with the link to join the live broadcast via Zoom. These will be sent one week, one day & one hour in advance of the live broadcast.
• PDF Manual will be supplied at the start of the class.
• After the broadcast ends your digital copy along with the PDF manual will be found in your Automotive Seminars account under “My Video Library”.
