Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Main Body ECU (Multiplex Network Body ECU)	Sliding Roof ECU (Sliding Roof Drive Gear Assembly)	Sliding roof operation permission signal IG signal Front door courtesy light switch assembly signal Key-linked operation signal Wireless transmitter-linked operation signal Vehicle speed signal	LIN
Sliding Roof ECU (Sliding Roof Drive Gear Assembly)	Main Body ECU (Multiplex Network Body ECU)	Sliding roof position signal	LIN
Combination Meter Assembly	Main Body ECU (Multiplex Network Body ECU)	Vehicle speed signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Combination Meter Assembly	Sliding roof open warning request signal	CAN

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Occupant Classification System(for Gasoline Model): System Description
SYSTEM DESCRIPTION GENERAL (a) The occupant detection ECU estimates the weight of an occupant based on signals received from the 2 occupant classification sensors. The occupant detection ECU determines whether the front passenger seat is occupied and classifies the occupant based on the estimated we ...

Toyota Avalon (XX50) 2019-2022 Owners Manual