Toyota 4Runner: System Diagram

Toyota 4Runner Service Manual / Vehicle Interior / Door Lock / Wireless Door Lock Control System(w/ Smart Key System) / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Certification ECU	Main body ECU	Door unlock standby control signal Door lock/unlock output request signal Wireless door lock buzzer sound request signal	CAN
Main body ECU	Certification ECU	Door courtesy light switch signal Door lock position signal	CAN
Multiplex network door ECU (back door P/W)	Main body ECU	Back door courtesy light switch signal	LIN

System Description

SYSTEM DESCRIPTION 1. WIRELESS DOOR LOCK CONTROL SYSTEM DESCRIPTION (a) This system locks/unlocks the doors remotely. The wireless door lock control system has the following features: The ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating normally. ...

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Using the AUX port
This port can be used to connect a portable audio device and listen to it through the vehicle’s speakers. Pull up the lid. Open the cover and connect the portable audio device. Press or . Operating portable audio devices connected to the audio ...

Hydraulic Test
HYDRAULIC TEST 1. PERFORM HYDRAULIC TEST (a) Measure the line pressure. CAUTION: The line pressure test should always be carried out in pairs. One technician should observe the conditions of the wheels and wheel stoppers from outside the vehicle while ...