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

Hyundai Santa Fe (TM) 2019-2025 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...

Emergency Fastening Device (EFD). Components and components location

Other information:

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: Battery replacement

Battery Type: CR2032 1. Insert a slim tool into the slot and gently pry open the cover. 2. Remove the old battery and insert the new battery. Make sure the battery position is correct. 3. Reinstall the rear cover of the remote key. If you suspect your remote key might have sustained some damage, or you feel your remote key is not working correctly, it is recommended that you contact an authorized HYUNDAI dealer...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Rear Power Mosfet. Repair procedures

Inspection 1. Turn the ignition switch ON. 2. Manually operate the control switch and measure the voltage of the blower motor. 3. Select the control switch to raise the voltage until it reaches high speed...