Limit Switch
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
The limit switch will only signal the sunroof module when the sunroof glass reaches the flush closed or the comfort stop positions, all other positions the switch is open. When the sunroof limit switch closes, the sunroof limit switch low reference circuit will be applied to the sunroof limit switch soft stop signal circuit to the sunroof module.