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

Toyota Yaris XP210 (2020-2022) 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 (2020-2022) Reapir and Service Manual: Brake Switch "A" Signal Compare Failure (P057162)

DESCRIPTION When the brake pedal is depressed, the stop light switch assembly outputs a signal to the ECM. The ECM uses this signal to control cancellation of vehicle speed by the dynamic radar cruise control. When the ECM determines that terminals STP and ST1- of the stop light switch assembly are both less than 1 V, DTC P057162 is stored...

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Before Starting Driving Adjustment

BEFORE STARTING DRIVING ADJUSTMENT CAUTION / NOTICE / HINT HINT: Purpose of millimeter wave radar beam axis learning If the installation position or orientation of the millimeter wave radar sensor is changed due to it being removed and reinstalled or replaced with a new one, or due to the front bumper or radiator grille being replaced, it is necessary for the millimeter wave radar sensor to learn the driving direction of the vehicle in order for each driving support system to operate correctly...