Toyota Yaris: SRS Air Bags / Constant Monitoring

Toyota Yaris XP210 (2020-2023) Owner's Manual / Essential Safety Equipment / SRS Air Bags / Constant Monitoring

The following components of the air bag systems are monitored by a diagnostic system:

  • Crash sensors, and diagnostic module (SAS unit)
  • Front air bag sensors
  • Air bag modules
  • Side crash sensors
  • Air bag/Front seat belt pretensioner system warning light
  • Front seat belt pretensioners
  • Related wiring
  • Front passenger air bag deactivation indicator light
  • Front passenger occupant classification sensor
  • Front passenger occupant classification module

The diagnostic module continuously monitors the system’s readiness. This begins when the ignition is switched ON and continues while the vehicle is being driven.

    Front Passenger Occupant Classification Sensor

    Your vehicle is equipped with a front passenger occupant classification sensor as a part of the supplemental restraint system. This sensor is equipped in the front passenger’s seat cushion...

    Before Driving


    Other information:

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Zero Point Calibration of Yaw Rate Sensor Undone (X204C)

    DESCRIPTION Code Tester Display Measurement Item Trouble Area RoB Output from X204C Zero Point Calibration of Yaw Rate Sensor Undone History of incomplete yaw rate sensor zero point calibration Sensor installation Yaw rate and acceleration sensor (airbag sensor assembly) Brake CAUTION / NOTICE / HINT NOTICE: After replacing the skid control ECU (brake actuator assembly), perform "Calibration"...

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Adjustment

    ADJUSTMENT CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after completing the rear wheel alignment procedure are shown below. Necessary Procedures After Procedure Performed Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link Rear wheel alignment adjustment ECU Data Initialization Active torque split AWD system Calibration DTCs are stored Slip indicator light illuminates VSC disabled or malfunctions PROCEDURE 1...


    Front Seat Belt Pretensioners

    The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near frontal collisions.

    In addition, the pretensioners operate when a side collision or a rollover accident is detected. The pretensioners operate differently depending on what types of air bags are equipped. For more details about the seat belt pretensioner operation, refer to the SRS Air Bag Deployment Criteria.

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