Sportage 4WD L4-2.0L (2005)
Seat Occupant Sensor: Description and Operation
OCCUPANT CLASSIFICATION SENSOR (OCS)
DESCRIPTION
The system is intended to classify the occupancy status of the front passenger seat in a motor vehicle based upon the measured force on the bottom seat
cushion.
The system also communicates to the SRSCM whether to allow or inhibit the deployment of the passenger airbag and/or pretensioner based upon this
status.
The system also measured dynamic responses of the occupant. This information is used to identify when a child seat is clinched down tightly with the
seat belt, and to also determine if the seat is unoccupied.
However, the dynamic measurements are not intended, nor capable of monitoring the seating position of the occupant, nor can they determine the
proximity of the occupant to the inflator module.
The system should not be confused with an occupant position recognition system, or any other occupant proximity sensor.
The Passenger Occupant Classification System (OCS) utilizes bladder placed between the passenger seat cushion and suspension to measure the
occupant's loading force on the vehicle seat. The bladder is connected to pressure sensor and ultimately to an electronic control unit (ECU), both of
which are mounted under the seat pan. The quantitative force determined by the system is compared to a given threshold for determination of passenger
airbag suppression.
