Abstract: A system for conducting a test of an active roll control (ARC) system in a vehicle while the vehicle is moving includes a module and a control module. The module is configured to receive a maneuver and an expected torque associated with the ARC system for the maneuver according to a defined velocity and a defined steering angle. The control module is configured to receive, while the vehicle is controlled to execute the maneuver, an actual torque of the ARC system, an actual velocity of the vehicle, and an actual steering angle of the vehicle. The module is configured to determine whether any one of the actual torque, the actual velocity, and the actual steering angle falls below the expected torque, the defined velocity, and the defined steering angle, respectively, and in response, generate a signal indicating a failure of the test. Other examples systems and methods are also disclosed.

Abstract: An air suspension system includes an air supply system block including one or more air spring valves, where the one or more air spring valves are disposed within the air supply system block, the air supply system block having a valve block housing. The system further includes the air supply system block pneumatically coupled with one or more air springs, and at least one reservoir coupled with the air supply system block, at least one motor and pump disposed within the air supply system block. The air suspension further includes fast down leveling valves disposed within the air supply system block.

Abstract: An air suspension system includes an air supply system block including one or more air spring valves, where the one or more air spring valves are disposed within the air supply system block, the air supply system block having a valve block housing. The system further includes the air supply system block pneumatically coupled with one or more air springs, and at least one reservoir coupled with the air supply system block, at least one motor and pump disposed within the air supply system block. The air suspension further includes fast down leveling valves disposed within the air supply system block.