So... How DOES the "NET"<-------------------------> "WORK?"

[mrrsm]

If you've settled down comfortably on the “I Finally Own a Decent Hand Held Scanner for OBD2 Diagnostics” couch ...and would appreciate getting grounded on all of the various Automotive Databus Network Designs and their unique methods for diagnosing a problematic system… This Bosch Professional Training PDF covers OBD2 Network Diagnostics taken from their Training Course. This is one download-able document that will put Real Definitions and Explanations on all of the Technical OBD2 Jargon that gets bandied about from time to time and never having complimented the discussions with any helpful information on what it all means:

https://advancedautomotivetraining.com/downloads/OBD II Network Diagnostics State.pdf