When the RIM receive a class 2 message from the DDM it supplies ground for the coil side of the fuel door lock relay. The coil side of the relay receives B+ through the 10 A ALDL fuse. When the relay is energized is closed the switch in the relay supplying power the fuel door lock solenoid from the 15 A body fuse. Ground for the fuel door lock solenoid is supplied through the fuel door unlock relay (when it is not energized) and G302.
When the RIM receive a class 2 message from the DDM it supplies ground for the coil side of the fuel door unlock relay. The coil side of the relay receives B+ through the 10 A ALDL fuse. When the relay is energized is closed the switch in the relay supplying power the fuel door lock solenoid from the 15 A body fuse. Ground for the fuel door lock solenoid is supplied through the fuel door lock relay (when it is not energized) and G302.