Toyota 4Runner: System Diagram

Toyota 4Runner Service Manual / Vehicle Interior / Door Lock / Power Door Lock Control System / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Combination meter assembly	Main body ECU (Multiplex network body ECU)	Vehicle speed signal	CAN
Multiplex network master switch assembly	Main body ECU (Multiplex network body ECU)	Driver side door manual lock switch signal	LIN
Multiplex network door ECU (Back door P/W)	Main body ECU (Multiplex network body ECU)	Back door courtesy switch signal Tail gate control switch signal* Back door opener switch signal	LIN

*: w/o Smart Key System

Parts Location

PARTS LOCATION ILLUSTRATION ILLUSTRATION ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the power door lock control system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUG ...

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Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE FRONT DOOR LOWER FRAME BRACKET GARNISH LH 2. REMOVE NO. 2 DOOR INSIDE HANDL ...

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 second ...