Hyundai Elantra: Airbag Module / Driver Airbag (DAB) Module and Clock Spring Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Restraint / Airbag Module / Driver Airbag (DAB) Module and Clock Spring Repair procedures

Removal

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

2.	Remove the driver airbag module by putting in a flat tool (O5mm) into the guide hole and then press the spring.

Release the connector locking pin, then disconnect the driver airbag module connector (A) and horn connector (B).

•	The removed airbag module should be stored in a clean, dry place with the pad cover facing up.

4.	Remove the steering wheel. (Refer to Steering System - "Steering wheel")

5.	Using a screwdriver or remover, separate the steering column shroud upper panel (A) from the steering column shroud lower panel.

6.	Remove the steering column shroud lower panel (A) after loosening the screws.

7.	Remove the clock spring (A) after disconnecting the clock spring connectors (B).

Inspection

Driver Airbag (DAB)

If any improper parts are found during the following inspection, replace the airbag module with a new one.

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

1.	Check pad cover for dents, cracks or deformities.

2.	Check the airbag module for denting, cracking or deformation.

3.	Check hooks and connectors for damage, terminals for deformities, and harness for binds.

4.	Check airbag inflator case for dents, cracks or deformities.

5.	Install the airbag module to the steering wheel to check for fit or alignment with the wheel.

Clock Spring

1.	If, as a result of the following checks, even one abnormal point is discovered, replace the clock spring with a new one.

2.	Check connectors and protective tube for damage, and terminals for deformities.

Installation

1.	Set the front tires straight-ahead.

2.	Turn the ignition switch OFF.

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

4.	Connect the clock spring harness connector and horn harness connector to the clock spring.

Factory setting for the clock spring is neutral.

A.	If white cable is visible through the product's 10 O' Clock Neutral Check Window, then the spring is at neutral.

B.	If white cable is not visible through the product's 10 O' Clock Neutral Check Window, then manually adjust the setting to neutral.

Neutral Check Window : Normal	Neutral Check Window : Fault

White cable is visible through 10 O' Clock Neutral Check Window	White cable is not visible through 10 O' Clock Neutral Check Window

Clock spring manual neutral setting procedure.

(1)	Press the Auto Lock at 6 O' Clock and turn clockwise 3 rotations.

(2)	Press the Auto Lock at 6 O' Clock and turn counter-clockwise 3 rotations.

(3)	If white cable is visible through the 10 O' Clock Neutral Check Window, then the spring is set to neutral.

7.	Install the steering wheel column shroud and the steering wheel. (Refer to Steering System - "Steering Column and Shaft")

Connect the Driver Airbag (DAB) module connector and horn connector, and then install the Driver Airbag (DAB) module on the steering wheel.

•	When install the Driver Airbag (DAB) module, Fix the horn wire and DAB inflator wire tightly with wire clip (A).

9.	Connect the battery negative cable.

10.

After installing the airbag, confirm proper system operation :

A.	Turn the ignition switch ON; the SRS indicator light should be turned on for about six seconds and then go off.

B.	Make sure horn button works.

Driver Airbag (DAB) Module and Clock Spring Description and Operation

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