July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Control module power supply: Diagnostics

WARNING: This page is about a different car, the 2006 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.

If there is no power supply then background lighting does not come on when the ignition is switched on.

Fig 1: Control Module Power Supply - Circuit Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.