System Diagram [06/2018 - 08/2021]

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

for TMC Made

Fig 1: Front Power Seat Control System for TMC Made Wiring Diagram (1 Of 4)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Front Power Seat Control System for TMC Made Wiring Diagram (2 Of 4)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Front Power Seat Control System for TMC Made Wiring Diagram (3 Of 4)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Front Power Seat Control System for TMC Made Wiring Diagram (4 Of 4)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

for TMMK Made

Fig 5: Front Power Seat Control System Wiring Diagram - For TMMK Made (1 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Front Power Seat Control System Wiring Diagram - For TMMK Made (2 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 7: Front Power Seat Control System Wiring Diagram - For TMMK Made (3 Of 4)

Fig 8: Front Power Seat Control System Wiring Diagram - For TMMK Made (4 Of 4)

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 M3 switch signal SET switch signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Position Control ECU Assembly LH	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 LH	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