1. REAR DEFOG SS
The Rear Defog Subsystem controls the activation of the rear defog based on the driver request, vehicle speed and load management command (load shed). The subsystem regulates the activation of the grid to provide safe operation under all speed and load shed conditions.
The Charging Subsystem provides information regarding the battery charge and load on the vehicle charging system.
The Powertrain Control Subsystem is responsible for providing vehicle speed data to the Rear Defog Control Subsystem.