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)	Clearance Warning ECU Assembly	Destination information signal	CAN Communication Line
ECM	Clearance Warning ECU Assembly	Shift position signal	CAN Communication Line
Combination Meter Assembly	Clearance Warning ECU Assembly	Vehicle speed signal	CAN Communication Line
Clearance Warning ECU Assembly	Combination Meter Assembly	Sonar information signal Clearance sonar indicator illumination request signal	CAN Communication Line
Clearance Warning ECU Assembly	Television Camera Assembly*2	Sonar information signal	CAN Communication Line
Clearance Warning ECU Assembly	Parking Assist ECU*1	Sonar information signal	CAN Communication Line
Parking Assist ECU*1	Radio and Display Receiver Assembly	Video signal	Analog
Television Camera Assembly*2	Radio and Display Receiver Assembly	Video signal	Analog
Clearance Warning ECU Assembly	Headup Display (Meter Mirror Sub-assembly)*3	Sonar information signal	CAN Communication Line

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Airbag System(for Gasoline Model): Lost Communication with Restraints Occupant Classification System Module (U0154)
DESCRIPTION The airbag ECU assembly sends/receives signals to/from each ECU via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode U0154 Lost Communication with Restraints Occupant Classification System Module CAN communication erro ...

Toyota Avalon (XX50) 2019-2022 Owners Manual