Data Communication Schematics

WARNING: This page is about a different car, the 2008 Pontiac G8. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Low Speed Bus

Courtesy of GENERAL MOTORS CORP.

Fig 2: High Speed Bus

Courtesy of GENERAL MOTORS CORP.

Fig 3: Accessory Wakeup Serial Data

Courtesy of GENERAL MOTORS CORP.