Description of Control System
WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
The control system consists of input sensors, switches, the display and A/C auto amp. (microcomputer) and outputs. The relationship of these components is shown in the figure below:
Courtesy of NISSAN MOTOR CO., U.S.A.