Hyundai Genesis (DH): Seat Belt Pretensioner / Pre-activeSeat Belt Unit (PSB) Description and Operation

Hyundai Genesis (DH) 2013-2016 Service Manual / Restraint / Seat Belt Pretensioner / Pre-activeSeat Belt Unit (PSB) Description and Operation

Description
Pre-active Seat Belt (PSB) guarantees initial restraint performance by winding the seat belt right before a crash or dangerous condition and enhances the effects of the seat belt pretensioner, load limiter and airbags.
Moreover, it stabilizes the driver from forward and centrifugal force by rewinding the seat belt during sudden braking or turning. And it warns the driver with seat belt vibration when the vehicle gets out of its lane or any other dangerous situation occurs.
Main Function
1.
Full Retraction
Maintains a more safe posture by strongly rewinding the seat belt right before a crash.
[Operation Condition]
A.
When a frontal crash is detected by the radar
B.
When sudden braking
C.
When vehicle control function is disabled
2.
Dynamic Support
Stabilizes the driver from foward and centrifugal force by rewinding the seat belt during sudden braking or turning.
[Operation Condition]
A.
When sudden braking (Forward force)
B.
When sudden turning (Centrifugal force)
C.
When sliding in icy road
3.
Slack Removal
If the seat belt isn

    Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front anchor seat belt (A).

    Components TCS:Traction Control System ESP:Electronic Stabilty Program System ACU:Airbag Control Unit CGW:Central Gate Way SCC:Smart Cruise Control LDWS:Lane Departure Warning System

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