GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Equinox 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Data Communication Schematics
Figure 1:

Low Speed GMLAN
Object Number: 1923701 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
High Speed GMLAN
Figure 2:

CAN Bus and Enable Serial Data
Object Number: 2010357 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
High Speed GMLAN
Figure 3:

High Speed GMLAN
Object Number: 1923703 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
Low Speed GMLAN