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

SYSTEM DIAGRAM

Communication Table

Transmitting ECU	Receiving ECU	Signal	Communication Method
Multiplex Network Master Switch Assembly	Power Window Regulator Motor Assembly (for Driver Door)	Power window auto up and down signal	LIN
Multiplex Network Master Switch Assembly	Power Window Regulator Motor Assembly (for Front Passenger Door) Power Window Regulator Motor Assembly (for Rear LH Door) Power Window Regulator Motor Assembly (for Rear RH Door)	Power window remote up and down signal	LIN
Main Body ECU (Multiplex Network Body ECU)	Power Window Regulator Motor Assembly (for Driver Door) Power Window Regulator Motor Assembly (for Front Passenger Door) Power Window Regulator Motor Assembly (for Rear LH Door) Power Window Regulator Motor Assembly (for Rear RH Door)	Power window operation permission signal	LIN
Certification ECU (Smart Key ECU Assembly)	Main Body ECU (Multiplex Network Body ECU)	Wireless power window operation signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Combination Meter Assembly	Window open warning request signal	CAN

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Active Noise Control System: UART Communication Between ANC and Audio Amplifier Missing Message (B1AA187)
DESCRIPTION This DTC is stored when an UART communication error occurs between the stereo component equalizer assembly and stereo component amplifier assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA187 UART Communication Between ANC and Audio Amplifier Missing Message Stere ...

Toyota Avalon (XX50) 2019-2022 Owners Manual