Data Communication Schematics

WARNING: This page is about a different car, the 2008 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: High Speed GMLAN - Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Low Speed GMLAN - Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 3: Serial Data Communication Enable and Accessory Wake Up - Schematic

Courtesy of GENERAL MOTORS CORP.