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

AWD Control Unit

Controls distribution of drive power between rear-wheel drive (0:100) and AWD (50:50) conditions according to signals from sensors.
Self-diagnosis can be done with CONSULT-III.

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