Reference Information
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
Schematic Reference
- OnStar/Telematics Wiring Schematics
- Radio/Navigation System Wiring Schematics (IOR) , or Radio/Navigation System Wiring Schematics (IOU/IOS)
Connector End View Reference
COMPONENT CONNECTOR END VIEWS - INDEX
Description and Operation
- OnStar Description and Operation
- Radio/Audio System Description and Operation (IOS/IOT) , or Radio/Audio System Description and Operation (IOR)
Electrical Information Reference
- Master Electrical Component List
- Circuit Testing
- Connector Repairs
- Testing for Intermittent Conditions and Poor Connections
- Wiring Repairs
Scan Tool Reference
Control Module References for scan tool information
Special Tools
EL-49903 OnStar Antenna Diagnostic Tool Kit