April 5, 2026: LEMON Manuals is launched! Read the announcement.

System Diagram

Fig 1: Power Window Control System Wiring Diagram (1 Of 2)

GTY264705

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Power Window Control System Wiring Diagram (2 Of 2)

GTY356314

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE

Transmitting ECU	Receiving ECU	Signal	Communication Method
Power window regulator master switch assembly	Power window regulator switch assembly Sliding roof control ECU assembly	Window lock switch signal Power window remote up and down signal Wireless power window down signal*1, 2	BEAN
Main body ECU RH (cowl side junction block RH)	Power window regulator master switch assembly Power window regulator switch assembly	IG signal ACC signal Door courtesy light switch signal	BEAN
Main body ECU RH (cowl side junction block RH)	Power window regulator master switch assembly Power window regulator switch assembly Sliding roof control ECU assembly	Power window switch power source supply signal	BEAN
Main body ECU RH (cowl side junction block RH)	Power window regulator master switch Assembly	Door lock position switch (for front passenger side) signal	BEAN
Certification ECU (smart key ECU assembly)	Power window regulator master switch assembly	Wireless-linked control signal1, 2	BEAN
Sliding roof control ECU assembly	Power window regulator master switch assembly Power window regulator switch assembly	Metal top condition signal Quarter side RH window position signal Quarter side LH window position signal Roof panel fully closed condition signal	BEAN
Sliding roof control ECU assembly	Power window regulator master switch assembly	Quarter window-linked driver door window operation request signal All power window operation signal	BEAN
Sliding roof control ECU assembly	Power window regulator switch assembly	Quarter window-linked passenger door window operation request signal All power window operation signal	BEAN

*1: w/ Occupant Classification System
*2: This function is set through the customize function, as it is off by default.