Front Passenger Occupant Classification System

Front Passenger Occupant Classification Systemí

First, please read Supplemental Restraint System (SRS) Pre

CAUTION

s(page 2-40) carefully.


Front Passenger Seat Weight Sensor

Your vehicle is equipped with a front passenger seat weight sensors as a part of the supplemental restraint system. These sensors are located under both of the front passenger seat rails. These sensors determine the total seated weight on the front passenger seat and monitor the seat belt buckle for the front passenger seat. The SAS unit is designed to prevent the front passenger front and side air bags and seat belt pretensioner system from deploying if the front passenger air bag deactivation indicator light illuminates.

To reduce the chance of injuries caused by deployment of the front passenger air bag, the system deactivates the front passenger front and side air bags and also the seat belt pretensioner system when the front passenger air bag deactivation indicator light illuminates. Refer to the following table for the front passenger air bag deactivation indicator light illumination conditions.


This system shuts off the front passenger front and side air bags and seat belt pretensioner system, so make sure the front passenger air bag deactivation indicator light illuminates according to the following table.


The air bag/front seat belt pretensioner system WARNING light flashes and the front passenger air bag deactivation indicator light illuminates if the sensors have a possible malfunction. If this happens, the front passenger front and side air bags and seat belt pretensioner system will not deploy.


Front passenger air bag deactivation indicator light

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Manual Type climate control

Manual Type climate control

Manual Type climate control

Fully Automatic Type climate control

Fully Automatic Type climate control

Fully Automatic Type climate control

This indicator light illuminates to remind you that the front passenger front and side air bags and seat belt pretensioner will not deploy during a collision.


If the front passenger weight sensors are normal, the indicator light illuminates when the ignition is switched ON. The light turns off after a few seconds. Then, the indicator light illuminates or is off under the following conditions:


Condition detected by the front passenger occupant classification system

Front passenger air bag deactivation indicator light

Front passenger front and side air bags

Front passenger seat belt pretensioner system

Empty (Not occupied)

On

Deactivated

Deactivated

Child or child-restraint system*1

On

Deactivated

Deactivated

Adult*2

Off

Ready

Ready

*1 : If a larger child sits on the front passenger seat, the sensors might detect the child as being an adult depending on the child's physique.

*2 : If a smaller adult sits on the front passenger seat, the sensors might detect the person as being a child depending on the person's physique.

The curtain air bag is ready for inflating regardless of the chart above.


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WARNING

WARNING

WARNING

If the front passenger air bag deactivation indicator light does not illuminate when the ignition is switched ON and does not illuminate as indicated in the above chart, do not allow a child to sit in the front passenger seat and consult an Authorized Mazda Dealer as soon as possible. The system may not work properly in an accident.


Do not decrease the total seated weight on the front passenger seat:

When an adult or large child sits on the front passenger seat, decreasing the total seated weight on the front passenger seat required for air bag deployment is dangerous. The front passenger seat weight sensors will detect the reduced total seated weight condition and the front passenger front and side air bags and seat belt pretensioner system will not deploy during an accident. The front passenger will not have the supplementary protection of the air bag, which could result in serious injury. Decreasing the total seated weight on the front passenger seat could result in an air bag not deploying under the following conditions, for example:


Ø A front passenger is seated as shown in the following figure:


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Ø A rear passenger pushes up on the front passenger seat with their feet.

Ø Luggage or other items placed under the front passenger seat or between the front passenger seat and driver seat that push up the front passenger seat bottom.

Ø Any accessories which might decrease the total seated weight on the front passenger seat are attached to the front passenger seat.

The front passenger front and side air bags and seat belt pretensioner systems will deactivate if the front passenger air bag deactivation indicator light illuminates.


Do not increase the total seated weight on the front passenger seat:

When an infant or small child sits on the front passenger seat, increasing the total seated weight on the front passenger seat is dangerous. The front passenger seat weight sensors will detect the increased total seated weight, which could result in the unexpected deployment of the front passenger front and side air bags and seat belt pretensioner system in an accident and may cause serious injury. Increasing the total seated weight on the front passenger seat could result in the front passenger front and side air bags and seat belt pretensioner system deployment in an accident under the following conditions, for example:

Ø Luggage or other items are placed on the seat with the child in the child-restraint system.

Ø A rear passenger or luggage push or pull down on the front passenger seatback.

Ø A rear passenger steps on the front passenger seat rails with their feet.

Ø Luggage or other items are placed on the seatback or hung on the head restraint.

Ø Heavy items are placed in the seatback map pocket.

Ø The seat is washed.

Ø Liquids are spilled on the seat.

Ø The front passenger seat is moved backward, pushing into luggage or other items placed behind it.

Ø The front passenger seatback contacts the rear seat.

Ø Luggage or other items are placed between the front passenger seat and driver seat.

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CAUTION

CAUTION

CAUTION

Ø Any accessories which might increase the total seated weight on the front passenger seat are attached to the front passenger seat.


Ø To assure proper deployment of the front air bag and to prevent damage to the sensors in the front seat bottoms:

Ø Do not place sharp objects on the front seat bottoms or leave heavy luggage on them.

Ø Do not spill any liquids on the front seats or under the front seats.

Ø To allow the sensors to function properly, always perform the following:

Ø Adjust the front seats as far back as possible and always sit upright against the seatbacks with seat belts worn properly.

Ø If you place your child on the front passenger seat, secure the child-restraint system properly and slide the front passenger seat as far back as possible (page 2-31).


NOTE

The system requires about 10 seconds to alternate between turning the front passenger front and side air bags and seat belt pretensioner system on or off.

The front passenger air bag deactivation indicator light may illuminate repeatedly if luggage or other items are put on the front passenger seat, or if the temperature of the vehicle's interior changes suddenly.

The front passenger air bag deactivation indicator light may illuminate for 10 seconds if the total seated weight on the front passenger seat changes.

The air bag/front seat belt pretensioner system WARNING light might illuminate if the front passenger seat receives a severe impact.

If the front passenger air bag deactivation indicator light does not illuminate after installing a child-restraint system on the front passenger seat, first, re-install your child-restraint system according to the procedure in this owner's manual. Then, if the front passenger air bag deactivation indicator light still does not illuminate, install the child-restraint system on the rear seat and consult an Authorized Mazda Dealer as soon as possible.

If the front passenger air bag deactivation indicator light illuminates when an adult is seated in the front passenger seat, have the passenger re-adjust their posture by sitting with their feet on the floor, and then re-fastening the seat belt. If the front passenger air bag deactivation indicator light still illuminates, move the passenger to the rear seat. If sitting in the rear seat is not possible, slide the front passenger seat as far back as possible. Consult an Authorized Mazda Dealer as soon as possible.


Driver and Front Passenger Buckle Switches

The buckle switches on the front seat belts detect whether or not the front seat belts are securely fastened and further control the deployment of the air bags.


Limitations to SRS Air Bag

(Page 37)

Limitations to SRS Air Bag ‌In severe collisions such as those described previously in “SRS Air Bag Deployment Criteria”, the...

Constant Monitoring

(Page 39)

Constant Monitoring ‌The following components of the air bag systems are monitored by a diagnostic system:• Crash sensors

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