Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual / Restraint / Seat Belt Pretensioner / Emergency Fastening Device (EFD)

Hyundai Santa Cruz: Seat Belt Pretensioner / Emergency Fastening Device (EFD)

- 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.

- Component Location

1. Emergency Fastening Device (EFD) System

- Removal

1.Disconnect the battery negative terminal.

• After disconnecting the cables, wait at least 3 minutes.

2.Remove the center pillar lower trim.(Refer to Body - "Center Pillar Tril")

3.Remove the front seat assembly. [LH](Refer to Body - "Front Seat Assembly")

4.Disconnect the connector (A).

5.Separate the floor carpet (A).

6.Loosen the mounting bolt, remove the emergenct fastening device (A).

Tightening torque :39.2 - 53.9 N.m (4.0 - 5.5 kgf.m , 28.9 - 39.8 lb-ft)

- Installation

1.Install in the reverse order of removal.

2.After installing the EFD, confirm proper system operation.

• Switch ON the ignition. The SRS indicator light should turn on for about six seconds and then off.

Seat Belt Pretensioner (BPT)

- Description The Seat Belt Pretensioners (BPT) are installed inside Center Pillar (LH & RH). When a vehicle crashes with a certain degree of frontal impact, the pretensioner seat belt help ...

Brake System

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