GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Vauxhall 🢒 2009 🢒 VXR8 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Data Communication Schematics
Figure 1:

Low Speed
Object Number: 2153475 Size: FS
Figure 2:

High Speed
Object Number: 2153476 Size: FS
Figure 3:

Accessory Wakeup Serial Data
Object Number: 2153477 Size: FS