Data Communication Schematics

WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DLC Power Ground and Low Speed GMLAN

Courtesy of GENERAL MOTORS CORP.

Fig 2: DLC High Speed Serial Data

Courtesy of GENERAL MOTORS CORP.

Fig 3: DLC Serial Data Wake Up

Courtesy of GENERAL MOTORS CORP.