Hyundai i-30: Seat Belt Pretensioner / Emergency Fastening Device (EFD)

Hyundai i30 (PD) 2018-2024 Service Manual / Restraint / Seat Belt Pretensioner / Emergency Fastening Device (EFD)

Components and components location

1. EFD (Emergency Fastening Device) System

Description and operation
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.
Repair procedures
Disconnect the battery negative cable and wait for at least 3 minutes before beginning work.
Remove the front seat.
(Refer to Body - "Front Seat Assembly")
Remove the front seat.
(Refer to Body - "Rear Seat Assembly")
Remove the upper anchor bolt.

Remove the Rear door scuff trim.
(Refer to Body - "Door Scuff Trim")
Remove the center pillar trim.
(Refer to Body - "Center Pillar Trim")
Remove the floor cafet.
(Refer to Body - "Floor Carpet")
Disconnect the anchor pretensioner (A).
Loosen the monuting bolt and remove the anchor pretensioner.

Disconnect the negative (-) cable from battery and wait for at least three minutes.
Install the EFD system with the mounting bolt.
Tightening torque :
39.2 - 53.9 N.m (4.0 - 5.5 kgf.m, 28.9 - 39.8 lb-ft)

Install the floor carpet.
Install the center pillar trim.
Install the rear door scuff trim.
Install the rear seat cushion.
Install the front seat.
Make sure the lock pin is connected in properly.
Reconnect the battery negative cable.
After installing the EFD system, confirm proper system operation :
Turn the ignition switch ON; the SRS indicator light should turn on for about six seconds and then go off.

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