GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Driver Information Center (DIC) System


Object Number: 1471094  Size: FS
Master Electrical Component List
Driver Information Center (DIC) Description and Operation (CTS and CTS-V)
Control Module References
Driver Information Center (DIC) System 6.0L (LS2)
Steering Wheel Controls - 2.8L/3.6L (LP1/LY7)
Class 2 Serial Data Bus (LHD) - 2 of 2
Figure 2:

Driver Information Center (DIC) System - 6.0L (LS2)


Object Number: 1582850  Size: FS
Master Electrical Component List
Driver Information Center (DIC) Description and Operation (CTS and CTS-V)
Control Module References
Driver Information Center (DIC) System
SIR Schematic Icons
Class 2 Serial Data Bus (LHD) - 1 of 2