Honda V-TEC / VCM Function and Diagnosis

Dave Educator Selden, New York Posted   Latest   Edited  
Demonstration
Driveability
Diagnostic Network
Lack of Power
Misfire
MIL On

Hello All,

Here is the latest installment of Diagnostic Network videos on the subject of Honda V-TEC. This same technology is also used for cylinder deactivation on the Honda Variable Cylinder Management (VCM) System. This system has been around for quite long time but I had never seen a good breakdown of how it worked. Thanks to Diagnostic Network for the high quality video work!

youtu​.​be/VG06nHvRJQw

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Scott Manager
Claremont, California
Scott
 

Thanks Dave, we appreciate your support. It’s been a pleasure working with you and we especially want to thank Suffolk County Community College for their support as well.

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David Owner/Technician
Ambler, Pennsylvania
David
 

Speaking of Honda training​.​Are they still using Helm for selling there training modules.I have purchased about 15-20 of them in the past​.​Now the link is gone in service express and its prompts you to purchase SIS for training​.​This one was very good,great tips.

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Dave Educator
Selden, New York
Dave
 

David, the modules are now available with a subscription to Honda's service information. The nice thing is you no longer need to buy them individually that way.

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Brandon Diagnostician
Bristol, Pennsylvania
Brandon
 

Great Stuff, Dave! Thanks for posting

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Brin Diagnostician
Melbourne, Florida
Brin
 

Wow! What a great project guys! Thank you. It's pretty impressive to think that Honda started using this technology about 30 years ago and it has been a very reliable system relatively speaking. I can only recall having to look at/ diagnose one of these system once and this particular vehicle reminded me of Johnny Cash's One Piece At A Time song. A kind of Frankenstein's Honda. I recall having a

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Brandon Diagnostician
Bristol, Pennsylvania
Brandon
 

Honda provides phenomenal info on these systems and Honda’s factory ”Sevice Information System” can be purchased for about $10 a day.

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Brin Diagnostician
Melbourne, Florida
Brin
 

Thanks Brandon, I'll have to look back at the details of that vehicle. I can't remember what it was that I struggled with finding. I do remember that another shop (Honda Specialist actually) asked me to look at it for a low power complaint. I found that the VTEC system was not functioning and I was trying to determine if it had something to do with incompatibility (frankenstein's Honda), a

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Brandon Diagnostician
Bristol, Pennsylvania
Brandon
 

Let me know...I’ve become quite intimate with the VTEC/VTC /VCM systems

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Rick Educator
Concord, California
Rick
 

Dave, Very nice clear and quality video. Enjoyed it very much! Thanks for sharing.

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Rick Technical Support Specialist
Saint Charles, Missouri
Rick
 

Dave, Very well done! Thank You

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Charlie Technician
Burbank, Illinois
Charlie
 

Dave,Thanks for sharing and for all the work you put into your videos!

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Dave Educator
Selden, New York
Dave
 

Thanks,Rick!

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Mark Mobile Technician
Arlington, Vermont
Mark
 

thanks Dave

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