WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Remote Control Door Lock Receiver And Multifunction Alarm Module Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 2: Multifunction Alarm Module, Rear Door Lock, Glass Hatch And Tailgate Actuators Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 3: Door Lock Switches And Front Door Lock Actuators Schematic