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:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK STEERING LOCK ECU (a) Disconnect the F68 steering lock ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Ter ...

If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible. Visible symptoms • Fluid leaks under the vehicle (Water dripping from the air conditioning after use is norm ...