Relay Control of Retained Accessory Power (RAP)
WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
The power windows and wipers functionality is allowed during the retained accessory power (RAP) power mode. The body control module (BCM) keeps the RAP relay energized during all power modes, except Off-Awake. For circuit information refer to Retained Accessory Power (RAP) Schematics .