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Data Communication Schematics

Fig 1: Low Speed GMLAN Circuit Schematic
GM2247820Courtesy of GENERAL MOTORS CORP.
Fig 2: High Speed GMLAN Circuit Schematic (Gas)
GM2247821Courtesy of GENERAL MOTORS CORP.
Fig 3: High Speed GMLAN Circuit Schematic Circuit Schematic (Diesel)
GM2247822Courtesy of GENERAL MOTORS CORP.
Fig 4: Accessory Wakeup
GM2247823Courtesy of GENERAL MOTORS CORP.
Fig 5: Communications Enable Circuit Schematic
GM2248380Courtesy of GENERAL MOTORS CORP.