System Description
WARNING: This page is about a different car, the 2010 Lexus GS 460 and 2010 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.
The door control receiver receives a signal from the transmitter and send signals to the multiplex network body ECU through the certification ECU assembly. The multiplex network body ECU then controls all doors by sending LOCK/UNLOCK signals to each door ECU, hazard flasher relay operation signals to the turn signals flasher relay (hazard warning lights) and wireless door lock buzzer sound signals to the wireless door lock buzzer.