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

Low Speed LAN
Object Number: 2049652 Size: FS
Figure 2:

High Speed LAN
Object Number: 2049654 Size: FS