FixVault

System Diagram

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power Door Lock Control System Diagram
G05754215Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SIGNAL REFERENCE

Transmitting ECU (Transmitter) Receiving ECU (Receiver) Signal Communication Method
Multiplex Network Master Switch Assembly Main Body ECU RH (Cowl Side Junction Block RH)
  • Driver side door manual lock switch signal
  • Door lock/unlock condition signal (Driver Side)
  • Driver side door key-linked switch signal
BEAN (DOOR BUS)
Main Body ECU RH (Cowl Side Junction Block RH) Multiplex Network Master Switch Assembly
  • Door lock/unlock condition signal (Except Driver Side)
  • Courtesy switch signal
BEAN (DOOR BUS)