GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H2 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Data Communication Schematics
Figure 1:

Low Speed Bus - 1 of 3
Object Number: 2097203 Size: FS
Figure 2:

Low Speed Bus - 2 of 3
Object Number: 2097204 Size: FS
Figure 3:

Low Speed Bus - 3 of 3
Object Number: 2097205 Size: FS
Figure 4:

High Speed Bus - 1 of 2
Object Number: 2097206 Size: FS
Figure 5:

High Speed Bus - 2 of 2
Object Number: 2097207 Size: FS