FixVault

Data Communication Schematics

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Low Speed GMLAN Schematic
GM2085719Courtesy of GENERAL MOTORS CORP.
Fig 2: CAN Bus and Enable Serial Data Schematic
GM2085723Courtesy of GENERAL MOTORS CORP.
Fig 3: High Speed GMLAN Schematic
GM2085728Courtesy of GENERAL MOTORS CORP.