Reference Information
WARNING: This page is about a different car, the 2011 Chevrolet Volt. However, it is still accessible from the selected car via links, so may be relevant.
Schematic Reference
- OnStar Schematics OnStar Schematics
- Radio/Navigation System Schematics Radio/Navigation System Schematics
Connector End View Reference
COMPONENT CONNECTOR END VIEWS - INDEX Component Connector End Views
Description and Operation
- OnStar Description and Operation OnStar Description and Operation
- Radio/Audio System Description and Operation Radio/Audio System Description and Operation
Electrical Information Reference
- Circuit Testing Circuit Testing
- Connector Repairs Connector Repairs
- Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections
- Wiring Repairs Wiring Repairs
Scan Tool Reference
Control Module References Control Module References for scan tool information
Special Tools
EL-49903 EL-49903 GM OnStar Antenna Diagnostic Tool Kit. See Special Tools .