Hyundai Santa Fe: Seat Belt Pretensioner / Emergency Fastening Device (EFD). Description and operation

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Restraint / Seat Belt Pretensioner / Emergency Fastening Device (EFD). Description and operation

Description
The Emergency Fastening Device (EFD) operates at the same time with the Seat Belt Pretensioner when it satisifies the deployment condition after a collision. It is an auxiliary equipment to prevent a driver and passenger from breaking away by pulling the seat belt toward the anchor side after a collision. It is located near the anchor on the driver and passenger seat and is supported by two cables.
  
Never measure the resistance of the anchor pretensioner directly, the current of the measuring device may cause unexpected airbag deploy.

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    Emergency Fastening Device (EFD). Components and components location

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    Other information:

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    Categories

    Air bag - supplemental restraint system

    1. Driver’s front air bag
    2. Passenger’s front air bag
    3. Side air bag
    4. Curtain air bag

    The vehicles are equipped with a Supplemental Air Bag System for the driver’s seat and front passenger’s seats.

    The front air bags are designed to supplement the three-point seat belts. For these air bags to provide protection, the seat belts must be worn at all times when driving.

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