Hyundai Sonata: 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. Remove t ...

Emergency Fastening Device (EFD) Components and Components Location
Components ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Rear Seat Belt Buckle Components and Components Location
Component Location 1. Rear seat belt buckle [RH]2. Rear seat belt buckle [LH] ...

Hyundai Sonata LF 2014-2019 Service Manual: Heater & A/C Control Unit (DATC) Components and Components Location
Components Connector [A] Pin NOFunctionPin NOFunction1ILL+ (TAIL)21Detent OUT (+)2Sensor REF (+5V)22HTD (Rear defog indicator)3Mode control actuator (Vent)23Rear defog switch4Mode control actuator (Defrost)24C_CAN High5Mode control actuator (Feedback)25C_CAN Low6Intake actuator (Fresh)26ECV+7Int ...

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