GM Service Manual Online
For 1990-2009 cars only

PCM References, Page 1 of 2

PCM References - 1 of 2


Object Number: 1500027  Size: FS
Master Electrical Component List
Powertrain Control Module Description
Control Module References
PCM References, Page 2 of 2
IAC and MAF
Cooling Fans
Power, Ground, Serial Data and Message Center
Charging Control, Indicator
A/C Compressor Controls
Engine Cranking
Differential Lock Schematics
DLC, Indicators and Traction Control Switch 3.4L
Cruise Control Schematic - LA1