Hyundai Tucson: Airbag Module / Driver Airbag (DAB) Module and Clock Spring

- Description

• Driver Air Bag (DAB)DAB is installed in the steering wheel, and electrically connected to the SRSCM via clock spring. It is deployed during frontal impact to protect the driver.

• Clock SpringClock spring delivers actuation signal, generated by the sensors installed in the front and right/left sides of a vehicle, to the inflator (gas generator) of the driver air bag module via internal cable.It also delivers actuation signal of the steering wheel remote control switch and horn to relevant systems via internal cable.

   

• 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.

- 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 a 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.

Clock Spring

1.If any improper parts are found during inspection, replace the clock spring with a new one.

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

- Removal

1.Set the front tires straight-ahead.

2.Disconnect the battery negative terminal.

   

• After disconnecting the cables, wait at least 3 minutes.

3.Put a flat tool (Ø 5 mm) into a guide hole located in the left/right of steering wheel and press a DAB fastening pin.

4.Press both sides in hole order (regardless of left/right order)– If the DAB removal does not go smoothly even after pressing twice, press the opposite hole again.

5.Remove the airbag module from the steering wheel by disconnecting the horn connector (A) and airbag module connectors (B).

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

7.Remove the steering column shroud lower panel.(Refer to Body - "Steering Column Shroud Panel")

8.Remove the clock spring after disconnecting the clock spring connector (A) and horn connector (B).

- 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.

5.Factory setting for the clock spring is neutral.

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

2)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

6.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 Body - "Steering Column Shroud Panel")

8.Install the steering wheel.(Refer to Steering System - "Steering Wheel")

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

10.Connect the battery negative cable.

11. After installing the airbag, confirm proper system operation :

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

• Make sure horn button works.