Toyota 4Runner manuals

Toyota 4Runner: 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:

Transmission Wire
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. DRAIN AUTOMATIC TRANSMISSION FLUID (a) Remove the drain plug and gasket, and drain ATF. (b) Install a new gasket and the drain plug. Torque: 20 N·m {204 kgf·cm, 15 ft·lbf} 2. ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL REAR AIRBAG SENSOR LH (a) Turn the ignition switch off. (b) Disconnect the c ...

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