GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 STS 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Power Steering Schematics
Figure 1:

Variable Effort
Object Number: 1904620 Size: FS
Master Electrical Component List
Variable Effort Steering System Description and Operation
Control Module References
Active Front Steering Module and Actuator -JL7
Figure 2:

Active Front Steering Module and Actuator - JL7
Object Number: 1914958 Size: FS
Master Electrical Component List
Active Front Steering Description and Operation
Control Module References
Variable Effort