Toyota 4Runner: System Diagram

Toyota 4Runner Service Manual / Vehicle Interior / Seat Belt / Seat Belt Warning System / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Center airbag sensor assembly	Main body ECU (multiplex network body ECU)	Front seat inner belt LH buckle switch	CAN
Center airbag sensor assembly	Combination meter assembly	Front seat inner belt RH buckle switch Occupant detection
Main body ECU (multiplex network body ECU)	Combination meter assembly	Front seat inner belt LH buckle switch Parking brake switch
Skid control ECU (master cylinder solenoid)	Combination meter assembly	Vehicle speed
ECM	Combination meter assembly	Shift position

Parts Location

PARTS LOCATION ILLUSTRATION ILLUSTRATION ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedures to troubleshoot the seat belt warning system. *: Use the Techstream. PROCEDURE 1. VEHICLE BRO ...

Other materials about Toyota 4Runner:

Back Sonar Sensor RH Circuit
DESCRIPTION The ultrasonic sensor sends and receives ultrasonic waves. Based on the received wave, the sensor calculates the approximate distance between the vehicle and the obstacle, and sends the distance value as a signal to the clearance warning ECU ...

Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ). 2. REMOVE LOWER STEERING COLUMN COVER (a) Turn the st ...