GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 SRX 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Theft Deterrent System Schematics
Figure 1:

Content Theft Deterrent (CTD) -- Domestic
Object Number: 1750438 Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Control Module References
Content Theft Deterrent (CTD) - Export
Low Speed GMLAN Serial Data 2 of 2
Low Speed GMLAN Serial Data 1 of 2
Low Speed GMLAN Serial Data 1 of 2
Rear Door Locks (Domestic)
Horns Schematics
Park Lamps Domestic 1 of 2
G200 (2 of 2) LHD
G201 (LHD)
Figure 2:

Content Theft Deterrent (CTD) -- Export
Object Number: 1750439 Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Control Module References
Content Theft Deterrent (CTD) - Domestic
Right Rear Fuse Block B+ Bus
Underhood Fuse Block B+ Bus - 2 of 2
IGN MAIN Relay, ABS IGN Fuse, AIRBAG Fuse, ECM TCM IGN Fuse, and MISC IGN Fuse
Low Speed GMLAN Serial Data 1 of 2
Low Speed GMLAN Serial Data 2 of 2
Low Speed GMLAN Serial Data 1 of 2
IGN MAIN Relay, ABS IGN Fuse, AIRBAG Fuse, ECM TCM IGN Fuse, and MISC IGN Fuse
Rear Door Locks (Export)
Horns Schematics
Park Lamps - Export 1 of 2
G201 (RHD)
G200 (2 of 2) LHD
G201 (LHD)
G200 1 OF 2 (RHD)
G101
G401 (1 of 3)
Low Speed GMLAN Serial Data 2 of 2
G401 (2 of 3)