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:

Telematics Transceiver Malfunction (B15A8)
DESCRIPTION This DTC is stored when an error in EEPROM or PLL IC is detected during the DCM (Telematics Transceiver) self-check. The EEPROM (Electrically Erasable Programmable Read-Only Memory) stores the various data to operate Safety Connect. The PLL IC ...

Fail-safe Chart
FAIL-SAFE CHART If a problem occurs in the power steering system, the power steering warning light in the combination meter comes on and the power steering assist is stopped, locked at a particular point or decreased simultaneously to protect the system. ...

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