July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Data Communication Schematics

WARNING: This page is about a different car, the 2010 Saturn Sky and 2010 Pontiac Solstice. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Low Speed LAN Circuit Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: High Speed LAN Circuit Schematic

Courtesy of GENERAL MOTORS CORP.