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Home >> Toyota >> 2010 >> Matrix Base, Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 94 (Wireless Door Lock Control System (Diagnostics - Introduction)) >> Wireless Door Lock Control System >> System Diagram >> System Diagram
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System Diagram

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Wireless Door Lock Control System Diagram
GTY199914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Transmitting ECU (Transmitter) Receiving ECU Signals Communication Method
Multiplex network body ECU Front controller
  • Wireless door lock buzzer drive (answer back) signal
  • Headlight drive (panic alarm) signal
  • Horn drive (panic alarm) signal
  • Security horn drive (panic alarm) signal
 Multiplex communication system
Multiplex network body ECU Combination meter Door warning light ON signal Multiplex communication system
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