System Diagram

WARNING: This page is about a different car, the 2007 Lexus ES 350. 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)

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Fig 2: Wireless Door Lock Control System Diagram (2 Of 2)

TRANSMITTER SIGNAL CHART

Transmitting ECU (Transmitter)	Receiving ECU (Receiver)	Signal	Line
Certification ECU	Main Body ECU	Wireless door lock signal	CAN
Main Body ECU	Power Window ECU (Front LH) Power Window ECU (Front RH) Power Window ECU (Rear LH) Power Window ECU (Rear RH)	Power window DOWN signal	LIN