Keyless Entry Unlock Illumination

The BCM grounds CKTs 156 and 157 for 36-44 seconds turning on the courtesy lamps when the following conditions are met:
^ The ignition switch is in the LOCK position.
^ All the vehicle doors are closed.
^ The IP dimmer switch is OFF.
^ The BCM receives a message from the remote control door lock receiver (RCDLR) to unlock the doors.