Hyundai Elantra: Airbag Module / Side Airbag (SAB) Module

Hyundai Elantra (CN7) 2021-2025 Service Manual / Restraint / Airbag Module / Side Airbag (SAB) Module

Description and operation

Description

The Side Airbags (SAB) are installed inside the front seat and protects the driver and passenger from danger when a side crash occurs. The SRSCM determines deployment of the side airbag by using the Side Impact Sensor (SIS) signal.

•	Never attempt to measure the circuit resistance of the airbag module (squib) even if you are using a specified tester. If the circuit resistance is measured with a tester, accidental airbag deployment will result in serious personal injury.

Components and components location

Components

1. Side airbag (SAB)

Repair procedures

Removal

Disconnect the negative (-) battery terminal.

•	Disconnect the battery negative cable, and wait for at least three minutes before beginning work.

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

Remove the seat back cover.

(Refer to Body (Interior and Exterior) - "Front Seat Back Cover")

•	When the front side airbag has deployed after a collision, replace the seat back as an assembly.

4.	Remove the side airbag (B) after loosening the mounting nuts (A).

Installation

Check if the battery (-) cable is disconnected.

•	Disconnect the battery negative cable, and wait for at least three minutes before beginning work.

Install the SAB.

Tightening torque :

5.9 - 7.8 N.m (0.6 - 0.8 kgf.m, 2.9 - 5.8 lb-ft)

Install a new seat back cover.

(Refer to Body (Interior and Exterior) - "Front Seat Back Cover")

•	Make sure that the airbag assembly cover is installed properly. Improper installation may prevent a proper deployment.

4.	Install a front seat assembly. (Refer to Body (Interior and Exterior) - "Front Seat Assembly")

5.	Recline and slide the front seat forward fully, make sure the harness wires are not pinched or interfered by other parts.

6.	Reconnect the negative (-) battery terminal.

After installing the side airbag, confirm proper system operation.

•	Turn the ignition switch ON the airbag warning lamp should be turned on for about 6 seconds and then go off.

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Air bag collision sensors

1. SRS control module/Rollover sensor
2. Front impact sensors
3. Side impact sensors (acceleration)
4. Side impact sensors (pressure)