Circuit Description
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
The automatic level control (ALC) position sensor is a potentiometer. The RIM determines the height of the rear of the vehicle based on the voltage from the position sensor. The RIM raises or lowers the rear of the vehicle in order to keep the vehicle level.