Toyota Yaris: How the SRS Air Bags Work / Front Seat Belt Pretensioners

Toyota Yaris XP210 (2020-2025) Owner's Manual / Essential Safety Equipment / SRS Air Bags / How the SRS Air Bags Work / 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.

How the SRS Air Bags Work

Your Toyota is equipped with the following types of SRS air bags. SRS air bags are designed to work together with the seat belts to help to reduce injuries during an accident...

Driver Air Bag

The driver’s air bag is mounted in the steering wheel. When air bag crash sensors detect a frontal impact of greater than moderate force, the driver’s air bag inflates quickly helping to reduce injury mainly to the driver’s head or chest caused by directly hitting the steering wheel...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: MIL Circuit

DESCRIPTION The Malfunction Indicator Lamp (MIL) is used to indicate vehicle malfunctions detected by the ECM. The MIL operation can be checked visually. When the ignition switch is first turned to ON, the MIL should be illuminated and should then turn off after the engine is started...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Power Integration No.1 System Missing Message (B235287,B235587,B235787-B235987)

DESCRIPTION This DTC is stored when CXPI communication between the semiconductor power integration ECU, power distribution box assembly, windshield wiper relay assembly or light control LED ECU and main body ECU (multiplex network body ECU) stops for 10 seconds or more...