Hyundai Sonata: General Information / Repair procedures

Component Replacement After Deployment
   
Before doing any SRS repairs, use the GDS Pro to check for DTCs. Refer to the Diagnostic Trouble Code list for repairing of the related DTCs.
When the front airbag(s) deployed after a collision, replace the following items.
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SRSCM
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Deployed airbag(s)
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Seat belt pretensioner(s)
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Anchor pretensioner(s)
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Front impact sensors
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SRS wiring harnesses
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Inspect the clock spring for heat damage.
If any damage found, replace the clock spring.
When the side/curtain airbag(s) deployed after a collision, replace the following items.
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SRSCM
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Deployed airbag(s)
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Side impact sensor(s) for the deployed side(s)
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SRS wiring harnesses
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Seat belt pretensioner(s)
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Anchor pretensioner(s)
After the vehicle is completely repaired, confirm the SRS airbag system is OK.
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Turn the ignition switch ON; the SRS indicator should come on for about six seconds and then go off.
Description and Operation
Warning Lamp Activation Warning Lamp Behavior after Ignition On As soon as the operating voltage is applied to the SRSCM ignition input, the SRSCM activates the warning lamp for a LED lamp c ...

Components and Components Location
Components 1. Driver Airbag (DAB)2. Passenger Airbag (PAB)3. Knee Airbag (KAB)4. Curtain Airbag (CAB)5. Side Airbag (SAB) Components Location Supplemental Restraint System Control Module (SR ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Knock Sensor (KS) Description and Operation
Description Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking. When knocking occurs, the vibration from the cylinder block is applied as pressure to the piez ...

Hyundai Sonata LF 2014-2019 Service Manual: BLUE LINK Unit Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the main crash pad assembly. (Refer to Body - "Main Crash Pad Assembly") 3. Remove the knee airbag (KAB) module. (Refer to Restraint - "Knee Airbag (KAB) Module") 4. Remove the driver's side shower duct. (Refer to ...

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