Toyota 4Runner manuals

Toyota 4Runner: 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

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:

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE REAR PROPELLER SHAFT UNIVERSAL JOINT SPIDER BEARING HINT: Use the same procedure for all rear propeller shaft universal joint spider bearing. (a) Place matchmarks on the flange yoke and sleeve yoke. Text in Il ...

Back Door Courtesy Switch Circuit
DESCRIPTION The multiplex network door ECU receives a back door open/closed signal from the back door lock. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (BACK DOOR COURTESY LIGHT SWITCH) (a) Using the Techstr ...

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