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

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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:

Components
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Airbag Signal Malfunction/Not Input (B15C4)
DESCRIPTION If the DCM (Telematics Transceiver) detects an error in the communication between the DCM (Telematics Transceiver) and center airbag sensor assembly as a result of the DCM (Telematics Transceiver) self check, this DTC will be set. ...