September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Data Communication Schematics

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

Fig 1: Power, Ground And High Speed Serial Data - Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Low Speed Serial Data - Schematic

Courtesy of GENERAL MOTORS CORP.