Circuit/System Description
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
The steering wheel angle sensor receives a 12 V reference voltage from the Electronic Brake Control Module. The Electronic Brake Control Module receives serial data inputs from the Steering Wheel Angle Sensor identifying the position and direction of the steering wheel rotation. The module utilizes this signal to calculate the driver intended driving direction.