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:

Engine
General Maintenance GENERAL MAINTENANCE CAUTION / NOTICE / HINT HINT: Work in a well-lighted area. Turn the front wheels fully to the right or left before beginning the inspection. PROCEDURE 1. INSPECT DRIVE BELT (a) Inspect the drive belt (See page ...

Rear Airbag Sensor RH Circuit Malfunction (B1630/23,B1635/24)
DESCRIPTION The rear airbag sensor consists of the safing sensor, diagnostic circuit, lateral deceleration sensor, etc. If the center airbag sensor receives signals from the lateral deceleration sensor, it determines whether the SRS should ...

© 2016-2025 | www.to4runner.net

0.0268