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Home >> Lexus >> 2011 >> IS 250C Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 385 (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 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Wireless Door Lock Control System Diagram (1 Of 2)
GTY115181Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Wireless Door Lock Control System Diagram (2 Of 2)
GTY119005Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Transmitting ECU
(Transmitter)
Receiving ECU
(Receiver)
Signal Line
Main body ECU RH (cowl side junction block RH) Certification ECU (smart key ECU assembly) IG switch signal BEAN
Power source ECU Main body ECU RH (cowl side junction block RH) Engine switch signal BEAN
Power window master switch Main body ECU RH (cowl side junction block RH) Power window open signal BEAN
Power window master switch* Sliding roof ECU* Sliding roof open signal* BEAN
Main body ECU RH (cowl side junction block RH) Front controller Vehicle horn sound request BEAN