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

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Air Conditioning Amplifier Assembly	Outer Mirror Control ECU Assembly	Mirror heater drive request signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Outer Mirror Control ECU Assembly	IG signal ACC signal Outer mirror switch assembly signal Mirror position request signal (seat position memory and reactivation function)	CAN
Outer Mirror Control ECU Assembly	Main Body ECU (Multiplex Network Body ECU)	Outer mirror state signal Seat memory switch signal	CAN
Certification ECU (Smart Key ECU Assembly)	Main Body ECU (Multiplex Network Body ECU)	Key ID signal	CAN
Radio and Display Receiver Assembly	Air Conditioning Amplifier Assembly	Mirror heater switch (rear window defogger switch) operation signal	CAN

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model With Cornering Light): Steering Position Sensor (B2414)
DESCRIPTION The headlight ECU sub-assembly LH receives steering angle signals from the steering sensor via CAN communication and performs light control. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B2414 Steering Position Sensor The engine switch is on (IG). Sensor mal ...

Toyota Avalon (XX50) 2019-2022 Owners Manual