GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Montana 🢒 Body and Accessories 🢒 Theft Deterrent 🢒 Theft Deterrent System Schematics
Figure 1:

Cell 133: G200, G302
Object Number: 323058 Size: FS
Theft Deterrent System Components
Content Theft Deterrent (CTD) Circuit Description
Pass Key III Module
Cell 114: Door Locks, Sliding Door Jamb Switches, Liftgate Door Lock
Door Lock Power Distribution
Cell 76: Instrument Cluster, LF Door Lock, Ignition Key Alarm Switch
Cell 11: UH: Radio Fuse
Cell 14: G200
Handling ESD Sensitive Parts Notice
Horns
Cell 51: BCM: Ignition Input, Door Locks, Exterior Lamps Output
Figure 2:

Pass Key III Module
Object Number: 412918 Size: FS
Handling ESD Sensitive Parts Notice
Theft Deterrent System Components
Vehicle Theft Deterrent (VTD) Description
Cell 133: G200, G302
Cell 50: Data Link Communications
Cell 14: G200