Reference Information

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Radio/Navigation System Wiring Schematics (IOS/IOT)Radio/Navigation System Wiring Schematics (IO6)

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX

Description and Operation

Navigation System Description and Operation (with CW1)
Radio/Audio System Description and Operation (IO5/IO6)Radio/Audio System Description and Operation (IOS/IOT)

Electrical Information Reference

Circuit Testing
Connector Repairs
Testing for Intermittent Conditions and Poor Connections
Wiring Repairs

Scan Tool Reference

Control Module References for scan tool information