AWD Control Unit

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

Controls distribution of drive power between front-wheel drive (100:0) and AWD (50:50) conditions circuit according to signals from sensors.
If malfunction occurs in AWD system, AWD warning lamp turns ON and vehicle changes to front-wheel drive.
Self-diagnosis can be done with CONSULT-II.

Fig 1: Identifying AWD Control Unit
Courtesy of NISSAN MOTOR CO., U.S.A.