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

SYSTEM DIAGRAM

Communication Table

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Main Body ECU (Multiplex Network Body ECU)	Multiplex Tilt and Telescopic ECU	IG SW signal Store command of driver seat memory Recall command of driver seat memory Auto away/return state signal	CAN
Position Control ECU Assembly (Driver Seat)	Multiplex Tilt and Telescopic ECU	Memory recall signal Start signal to play tilt and telescopic steering Stop signal to play memory
Combination Meter Assembly	Multiplex Tilt and Telescopic ECU	Vehicle speed signal
Multiplex Tilt and Telescopic ECU	Main Body ECU (Multiplex Network Body ECU)	State signal of tilt and telescopic steering
Multiplex Tilt and Telescopic ECU	Position Control ECU Assembly (Driver Seat)	Tilt and telescopic recall and execution signal Tilt and telescopic recall and end signal
Tilt and Telescopic Switch	Multiplex Tilt and Telescopic ECU	Tilt and Telescopic Switch signal	Direct line

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electric Parking Brake System(for Hv Model): Engine Switch/Power Switch Malfunction (C13A2)
DESCRIPTION When the power switch is turned on (IG), power is supplied to the parking brake ECU (brake actuator assembly). This DTC is stored if IG power source voltage is not supplied to the parking brake ECU (brake actuator assembly) when communication with other ECUs is established. DTC No. Detec ...

Toyota Avalon (XX50) 2019-2022 Owners Manual