Soft Top Control Unit
WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
Soft top control unit controls the soft top system, and controls local communication between BCM and power window switches. The door lock and unlock switches are also integrated. Soft top control unit has the self diagnosis function that detects a malfunction of the communication line.