Hyundai Sonata LF: General Information / Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Restraint / 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.

SRSCM

-	Deployed airbag(s)

-	Seat belt pretensioner(s)

-	Anchor pretensioner(s)

-	Front impact sensors

-	SRS wiring harnesses

-	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.

SRSCM

-	Deployed airbag(s)

-	Side impact sensor(s) for the deployed side(s)

-	SRS wiring harnesses

-	Seat belt pretensioner(s)

-	Anchor pretensioner(s)

After the vehicle is completely repaired, confirm the SRS airbag system is OK.

-	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 check...

Components and Components Location

C..

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Alternator Schematic Diagrams

Circuit Diagram • COM signal - When controlling the voltage generated, the ECM sends the target voltage data to the alternator via a PWM signal.(High voltage: 4V or higher, low voltage: 2V or lower) • FR signal - The transistor activation signal inside the alternator monitors the voltage generated by the alternator to control the excitation current before it sends the FR signal to the ECM...

Hyundai Sonata LF 2014-2019 Service Manual: Warning And Caution Labels