Circuit/System Description
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
The instrument panel cluster (IPC) illuminates the AWD Disabled indicator by supplying ground to the lamp. The Rear Differential Clutch Control Module (CCM) sends a serial data messages to the IPC, in order to command the indicator ON or OFF.