Hyundai Sonata: Seat Belt Pretensioner / Emergency Fastening Device (EFD) Repair procedures

Removal

1.	Disconnect the battery negative cable and wait for at least 3 minutes before beginning work.

2.	Remove the front seat. (Refer to Body - "Front Seat Assembly")

3.	Remove the rear seat. (Refer to Body - "Rear Seat Assembly")

Remove the front anchor seat belt (A).

When replacing anchor pretensioner, make sure to use the assigned tools to remove the anchor safety belt connector (A).

Tools to be used

Tool A: hex wrench screwdriver or drill with diameter of 3 mm and length of 56 mm or more.

Tool B: screwdriver or drill with diameter of 3 mm.

(1)

Insert the tool (A) vertically into the hole (F). Then, tilt it over 10° as shown in the figure.

When tilted 10°, tool (A) pushes and rotates the internal part (C).

(2)	Insert and push the tool (B) vertically into the hole (E). Then, anchor safety belt connector (D) will be disconnected.

5.	Remove the door scuff trim. (Refer to Body - "Interior Trim")

6.	Remove the center pillar trim. (Refer to Body - "Interior Trim")

7.	Remove the floor carpet assembly. (Refer to Body - "Floor Carpet")

8.	Disconnect the anchor pretensioner (A)

9.	Loosen the monuting bolt (B) and remove the anchor pretensioner

Installation

1.	Installation is reverse of removal.

2.	Connect the battery (-) terminals.

Components ...

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Hyundai Sonata LF 2014-2019 Service Manual: Heater & A/C Control Unit (Manual) Components and Components Location
Components Connector [A] Pin NOFunctionPin NOFunction1ILL+ (TAIL)21Detent OUT (+)2Sensor REF (+5V)22HTD3Mode control actuator (Vent)23Rear defog switch4Mode control actuator (Defrost)24C_CAN High5Mode control actuator (Feedback)25C_CAN Low6Intake actuator (Fresh)26ECV+7Intake actuator (Recircula ...