Data Communication Schematics

WARNING: This page is about a different car, the 2010 Pontiac G6. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, High Speed GMLAN Serial Data Circuit Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Low Speed GMLAN Serial Data Circuit Schematic (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Low Speed GMLAN Serial Data Circuit Schematic (2 of 2)

Courtesy of GENERAL MOTORS CORP.