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. ...

Other materials about Toyota 4Runner:

Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. When installing the pad, heat the moulding surface using a heat light. Standard: I ...

Operation Check
OPERATION CHECK 1. AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK (a) Turn the ignition switch to ON. (b) Turn the headlight dimmer switch to the AUTO position. (c) Cover the automatic light control sensor. (d) Check that the taillights and low beam headl ...