Hyundai Elantra: Airbag Module / Curtain Airbag (CAB) Module

Hyundai Elantra (CN7) 2021-2025 Service Manual / Restraint / Airbag Module / Curtain Airbag (CAB) Module

Description and operation

Description

Curtain airbags are installed inside the headliner (LH and RH) and protect the driver and passenger from danger when a side crash occurs. The SRSCM determines deployment of the curtain airbag by using the side impact sensor (SIS) signal.

Components and components location

Components

1. Curtain Airbag (CAB)

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 roof trim assembly. (Refer to Body (Interior and Exterior) - "Roof Trim Assembly")

3.	Disconnect the curtain airbag module connector (A).

4.	Remove the curtain airbag module (A) after loosening the mounting bolts.

Installation

Check if the battery (-) cable is disconnected.

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

Place a curtain airbag module and tighten the mounting bolts.

Tightening torque :

Bolt : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

•	The left and right curtain airbags are identified by the color of the tape and warning sticker on the module as follows.

–	Left side : red tape (yellow : warning sticker)

–	Right side : blue tape (orange : warning sticker)

•	Never twist the airbag module when installing it. If the module is twisted, the airbag module may operate abnormally.

3.	Connect the curtain airbag connector.

4.	Install the roof trim assembly. (Refer to Body (Interior and Exterior) - "Roof Trim Assembly")

5.	Reconnect the negative (-) battery terminal.

After installing the curtain airbag (CAB), 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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Tachometer

The tachometer indicates the approximate number of engine revolutions per minute (RPM).

Use the tachometer to select the correct shift points and to prevent lugging and/ or over-revving the engine.

NOTICE

Do not operate the engine within the tachometer's RED ZONE. This may cause severe engine damage.