Hyundai Sonata LF: Seat Belt Pretensioner / Emergency Fastening Device (EFD) Description and Operation

Hyundai Sonata LF 2014-2019 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.

    Seat Belt Pretensioner (BPT) Repair procedures

    Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the door scuff trim. (Refer to Body - "Interior Trim") 3...

    Emergency Fastening Device (EFD) Components and Components Location

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    Hyundai Sonata LF 2014-2019 Service Manual: Crash Pad Side Cover Repair procedures


    Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage...

    Hyundai Sonata LF 2014-2019 Service Manual: Specifications


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