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 ...

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Switching the display
Press . Each time is pressed, the display changes in the following order: Track title → Track title/Artist name → Track title/Album name → Track title/Elapsed time About iPod • Apple is not responsible for the operation of this device or its ...

Air Conditioning Control Panel Circuit
DESCRIPTION This circuit consists of the heater control assembly and air conditioning amplifier assembly. When the heater control assembly is operated, signals are transmitted to the air conditioning amplifier assembly through the LIN communication system ...

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