Data Communication Schematics

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

Fig 1: Power, Ground and Low Speed GMLAN

Courtesy of GENERAL MOTORS CORP.

Fig 2: High Speed Serial Data

Courtesy of GENERAL MOTORS CORP.

Fig 3: Serial Data Wake Up

Courtesy of GENERAL MOTORS CORP.