Toyota 4Runner: System Diagram

Toyota 4Runner Service Manual / Vehicle Interior / Door Lock / Key Reminder Warning System / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Main body ECU (Multiplex network body ECU)	Combination meter assembly	Front door courtesy light switch LH signal	CAN
Main body ECU (Multiplex network body ECU)	Combination meter assembly	Unlock warning switch signal	CAN

Parts Location

PARTS LOCATION ILLUSTRATION ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedures to troubleshoot the key reminder warning system. *: Use the Techstream. PROCEDURE 1. VEHICLE ...

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