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

Passlock Sensor Inputs and Serial Data


Object Number: 1253518  Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Front Door Switches
Steering Wheel/Speed Position Sensor
Steering Wheel Speed/Position Sensor Inputs
Steering Wheel Speed/Position Sensor Inputs
SP205 - 1 of 2
Figure 2:

Front Door Switches


Object Number: 1253519  Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Rear Door Switches
Passlock Sensor Inputs and Serial Data
SP205 - 1 of 2
Cargo Door and Liftgate Switches
Cargo Door and Liftgate Switches
Figure 3:

Rear Door Switches


Object Number: 1253520  Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Cargo Door and Liftgate Switches
Front Door Switches
G304, G305
G306
Figure 4:

Cargo Door and Liftgate Switches


Object Number: 1253521  Size: FS
Master Electrical Component List
Content Theft Deterrent (CTD) Description and Operation
Rear Door Switches
Front Door Switches
Front Door Switches
G410 - 1 of 3
G410 - 2 of 3
G410 - 1 of 3