Toyota 4Runner: System Diagram

Toyota 4Runner Service Manual / Vehicle Exterior / Window / Glass / Window Defogger System / System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitter	Receiver	Signal	Line
Heater control assembly	Air conditioning amplifier assembly	Defogger switch signal	LIN
Multiplex network door ECU (Back door P/W)	Main body ECU (Multiplex network body ECU)	Back door window position signal	LIN
Back door power window regulator motor	Multiplex network door ECU (Back door P/W)	Back door window position signal	LIN
Main body ECU (Multiplex network body ECU)	Air conditioning amplifier assembly	Back door window position signal	CAN

System Description

SYSTEM DESCRIPTION 1. WINDOW DEFOGGER SYSTEM DESCRIPTION The thin heater wires of the defogger system are attached to the rear window and defog the rear window surface quickly. The system only ope ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Inspect the window defogger system after confirming that the back door power window system of the power window control system is operating normally. ...

Other materials about Toyota 4Runner:

Adjustment
ADJUSTMENT PROCEDURE 1. CHECK BRAKE PEDAL HEIGHT (a) Check the brake pedal height. Pedal height from Floor panel: 158.8 to 168.8 mm (6.25 to 6.46 in.) Text in Illustration *1 Rod Operating Adapter ...

Cleaning and protecting the vehicle interior
The following procedures will help protect your vehicle’s interior and keep it in top condition: Protecting the vehicle interior Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces with a cloth dampened with lukewarm water. Cleaning the ...