System Diagram [08/2019 - ]

WARNING: This page is about a different variant/trim than selected.

Fig 1: Touch Select 2-4 And High-Low System Wiring Diagram (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Touch Select 2-4 And High-Low System Wiring Diagram (2 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Touch Select 2-4 And High-Low System Wiring Diagram (3 Of 3)

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
4 wheel drive control ECU	Skid control ECU (Master cylinder solenoid)	High-Low actuator fail 4WD status signal L4 status signal	CAN communication system
Skid control ECU (Master cylinder solenoid)	4 wheel drive control ECU	Wheel speed sensor error signal Wheel speed signal Vehicle speed signal Vehicle speed status flag	CAN communication system
4 wheel drive control ECU	ECM	Cruise control cancel request signal 4WD status signal	CAN communication system
ECM	4 wheel drive control ECU	Shift position N signal Neutral position switch error flag	CAN communication system
4 wheel drive control ECU	Combination meter assembly	4WD indicator light signal 4LO indicator light signal Multi-information display (4WD malfunction warning related messages) signals Warning buzzer signal	CAN communication system