Toyota 4Runner: System Diagram

Toyota 4Runner Service Manual / Vehicle Interior / Supplemental Restraint Systems / Airbag System / System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Center Airbag Sensor	ECM	Crash detection signal Fuel cut signal	CAN
Center Airbag Sensor	Main Body ECU	Driver seat buckle switch signal
Center Airbag Sensor	Combination Meter	SRS warning light on demand signal SRS warning light blink demand signal Passenger seat occupant detection signal Passenger seat buckle switch signal Diagnosis signal (DTC)
Combination Meter	Center Airbag Sensor	Vehicle speed signal Meter diagnosis polling signal
ECM	Center Airbag Sensor	Engine speed signal Accelerator opening angle information Accelerator opening angle signal Shift position signal Test mode signal Stop signal

Parts Location

PARTS LOCATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the airbag system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...

Other materials about Toyota 4Runner:

Installation
INSTALLATION PROCEDURE 1. INSTALL TURN SIGNAL FLASHER ASSEMBLY (a) Install the turn signal flasher assembly with the nut. Torque: 5.5 N·m {56 kgf·cm, 49 in·lbf} (b) Connect the connector. 2. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY ...

License Plate Light Assembly
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE OUTSIDE BACK DOOR GARNISH (a) Remove the outside back door garnish (See page ). 2. REMOVE LICENSE PLATE LIGHT ASSEMBLY (a) Remove the 4 screws and light. ...