Hyundai Sonata: Weight Classification System (WCS). Description and Operation
Description
In contrast to the initial one-stage airbag systems, newer restraint systems
involve complex logic to select, or alternatively suppress, various levels of
safety system deployment. Inherent to an Advanced Restraint System is the ability
to discern information regarding passenger occupancy. It is intended that these
inputs be provided through the WCS.
The object of such safety system is to reduce the risk and level of injuries
by automatically adapting the airbag(s) and seat belt pretensioner to the driving
status of the vehicle, its occupants, and the crash severity. The current WCS
covered in this specification continually senses and classifies the front passenger
side seat. The Occupant Classification System described in this section is Weight
Classification System(WCS) of strain gauge type. It consist of 2 weight sensors
and ECU which is classifying weight of occupant. It is installed on the seat
track assembly.
Seat Belt Buckle Switch (BS). Repair procedures
Removal
1.
Disconnect the battery negative cable, and wait for at least three
minutes before beginning work.
2.
Remove the front seat asse ...
See also:
Front Wheel Speed Sensor. Components and Components Location
Components
1. Front wheel speed sensor connector
2. Front wheel speed sensor
...
Fuel Pressure Control Valve. Repair procedures
Inspection
1.
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
2.
Disconnect the fuel pressure regulator valve ...
Electric power steering (EPS)
The power steering uses a motor to assist you in steering the vehicle. If the
engine is off or if the power steering system becomes inoperative, the vehicle may
still be steered, but it will requi ...

