Operation CHARM: Car repair manuals for everyone.

Information Bus



Data Communication Schematics

Power, Ground, and Key Word 2000 Serial Data






Low Speed GMLAN Serial Data (1 of 2)






Low Speed GMLAN Serial Data (2 of 2)






High Speed GMLAN






Local Interconnect Network (LIN)






Locations: The locations for the Connectors, Grounds, Splices, and Grommets shown within these diagrams can be found via their numbers at Vehicle Locations. Locations