The Body Control Module (BCM) monitors the ignition switch position, battery condition and passenger compartment door status to determine whether Retained Accessory Power (RAP) should be initiated. When the ignition switch is in the ACC or RUN/ON position, the BCM closes the RAP relay and supplies power to the RAP circuit. If the ignition switch transitions from RUN/ON to OFF, the battery level is within the acceptable range and the passenger compartment doors are closed, then the internal RAP relay will remain closed. When the RAP relay is closed it provides power to the:

The BCM module turns OFF the RAP function and opens the internal RAP relay when one of the following conditions are met: