GM Service Manual Online
For 1990-2009 cars only

PCM References (1 of 2)

PCM References (1 of 2)


Object Number: 623607  Size: FS
Master Electrical Component List
Powertrain Control Module Description
PCM References (2 of 2)
AIR, IAC, and MAF
Cooling Fans
Power, Ground, Serial Data and Message Center
Charging Control, Indicator
Compressor Control
Engine Cranking
Differentail Controls AWD - GMT250
DLC, Indicators, and Traction Control Switch
Cruise Control Schematics