GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 LeSabre 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Theft Deterrent System Schematics
Figure 1:

Vehicle Theft Deterrent (VTD) System
Object Number: 1545435 Size: FS
Master Electrical Component List
Vehicle Theft Deterrent (VTD) Description and Operation
Content Theft Deterrent (CTD) System
Fuse Block Rear - IGN SW and NSBU Fuses
Module Power, Ground, Serial Data and MIL
Fuse Block Underhood - HDLP HIBM and HDLP LOBM Relays, ABS, PCM BATT, HDHIBM, HDLOBM Fuses
Ignition Switch - 2 of 2
G200 - 1 of 2
Serial Data Class 2
G200 - 1 of 2
Figure 2:

Content Theft Deterrent (CTD) System
Object Number: 696615 Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Vehicle Theft Deterrent (VTD) System
Serial Data Class 2