Toyota 4Runner manuals

Toyota 4Runner: 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:

Inspection
INSPECTION PROCEDURE 1. INSPECT WIRELESS DOOR LOCK BUZZER (a) Measure the resistance according to the value(s) in the table below. HINT: The buzzer activation circuit is built into the ECU, not into the buzzer itself. When battery volta ...

Rear view monitor system (rear view mirror-attached type)
The rear view monitor assists the driver by displaying an image of the area behind the vehicle while reversing. The image is displayed in reverse on the screen. This reversed image is a similar image to the one on the inside rear view mirror. The rear ...

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