Hyundai Sonata: Seat Belt Pretensioner / Seat Belt Pretensioner (BPT) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Restraint / Seat Belt Pretensioner / Seat Belt Pretensioner (BPT) Description and Operation

Description
The Seat Belt Pretensioners (BPT) are installed inside Center Pillar (LH & RH). When a vehicle crashes with a certain degree of frontal impact, the pretensioner seat belt helps to reduce the severity of injury to the front seat occupants by retracting the seat belt webbing. This prevents the front occupants from thrusting forward and hitting the steering wheel or the instrument panel when the vehicle crashes.
   
Never attempt to measure the circuit resistance of the Seat Belt Pretensioner (BPT) even if you are using the specified tester. If the circuit resistance is measured with a tester, the pretensioner will be ignited accidentally. This will result in serious personal injury.
Seat Belt Pretensioner
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Seat Belt Pretensioner (BPT) Components and Components Location
Components ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Occupant Classification Sensor (OCS) Description and Operation
Description In order to make normal activation of airbag system, SRSCM detects DTC(s) for the Occupant Classification System (OCS). If the seat is occupied, OCS detects passenger presences status and send signal to SRSCM via CAN. SRSCM recognizes the signal as 2(two) different classifica ...

Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Assembly Repair procedures
Replacement     • When folding the seatback forward in state that headrest and seat is upper and seat is moved forward, be careful not to touch the components such as sunvisor. 1. Remove the front anchor seat belt. (Refer to Restraint - "EFD (Emergency Fastening ...

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