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:

Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK WARNING LIGHT NOTICE: When there is a problem with the tire pressure warning system, the tire pressure warning light blinks at 0.5 second intervals and comes on after 1 minute. When the malfunction has been corr ...

Key information
Keys The following keys are provided with the vehicle. Vehicles without a smart key system 1. Master keys Operating the wireless remote control function 2. Valet key 3. Key number plate Vehicles with a smart key system 1. Electronic keys • Ope ...

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