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.

Passenger Airbag (PAB) Module

Description and operation DescriptionThe passenger airbag (PAB) is installed inside the crash pad and protects the front passenger in the event of a frontal crash...

Curtain Airbag (CAB) Module

Description and operation DescriptionCurtain airbags are installed inside the headliner (LH and RH) and protect the driver and passenger from danger when a side crash occurs...

Other information:

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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)