Toyota 4Runner Quiz
Vehicle Interior

System Diagram

In this manual: Vehicle Interior
General — 25Audio / Visual / Telematics — 283Brake — 187Drivetrain — 204Power Source / Network — 79Steering — 76Suspension — 130Vehicle Exterior — 391Vehicle Interior — 693
~1min read
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

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.