Patent ID: 8880317

Claim:
A system for controlling a vehicle brake system vacuum pump comprising: a vehicle ignition switch comprising an on state and an off state; at least one controller and a plurality of sensors in communication with said at least one controller, said at least one controller configured to determine a state of the vehicle, said vehicle state comprising at least one of whether the vehicle is in a torque producing mode, whether the vehicle is moving, whether the vehicle brake system is engaged, and whether the ignition switch is in an on state or an off state or whether a signal from said ignition switch is absent; a vacuum pump in communication with said at least one controller; wherein said at least one controller is configured to enable the vacuum pump to operate in response to a combination of the determined the vehicle state and the ignition switch state; and, wherein said at least one controller is configured to enable the vacuum pump operate in the case that the ignition switch is in an on state and the state of said vehicle comprises at least one of; said vehicle is in a torque producing mode and said vehicle is moving.