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

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Hybrid Vehicle Control ECU Assembly	Main Body ECU (Multiplex Network Body ECU)	Shift position P signal	CAN
Outer Mirror Control ECU Assembly LH	Main Body ECU (Multiplex Network Body ECU)	M1 switch signal M2 switch signal SET switch signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Position Control ECU Assembly	Shift position P signal Transmission information Driving position buzzer request Driver seat position request Driver seat position data	CAN
Certification ECU (Smart Key ECU Assembly)	Main Body ECU (Multiplex Network Body ECU)	Power switch signal Memory call replay request Key identification No. 1 to No. 7 acquisition condition	CAN
Position Control ECU Assembly	Main Body ECU (Multiplex Network Body ECU)	State signal of driver seat State signal of driving position buzzer	CAN
Multiplex Network Master Switch Assembly	Main Body ECU (Multiplex Network Body ECU)	Door control switch signal	LIN

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Seat Heater System(for Gasoline Model): Front Left Seat Heat Sensor Circuit (B14C1)
DESCRIPTION Output to the front seat cushion heater temperature sensor stops if one of the following occurs: 1) the temperature sensor is open or shorted; or 2) the temperature sensor is damaged and its output value does not change. DTC No. Detection Item DTC Detection Condition Trouble Area B14C1 F ...

Toyota Avalon (XX50) 2019-2022 Owners Manual