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 > Pre-collision System(for Gasoline Model): Brake System Malfunction (C1A50)
DESCRIPTION When the pre-collision system is operating, the driving support ECU assembly sends brake control signals to the skid control ECU (brake actuator assembly). If the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU ...

Toyota Avalon (XX50) 2019-2022 Owners Manual