October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Data Communication Schematics
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: High Speed GMLAN (without HP5)
Courtesy of GENERAL MOTORS CORP.
Fig 2: GMLAN High Speed Bus (HP5)
Courtesy of GENERAL MOTORS CORP.
Fig 3: PT LAN High Speed 2 Expansion Bus (HP5)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Low Speed GMLAN and Linear Interconnect Network
Courtesy of GENERAL MOTORS CORP.
Fig 5: Serial Data Gateway (HP5)
Courtesy of GENERAL MOTORS CORP.
Fig 6: Serial Data Communications Enable, Accessory Wake Up