Hyundai Sonata LF: SRSCM / Seat Belt Buckle Switch (BS) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Restraint / SRSCM / Seat Belt Buckle Switch (BS) Description and Operation

Description

The SRSCM shall monitor the status of the driver and front passenger seat belt buckle. The SRSCM provides one pin each for the driver and front passenger seat belt buckle status input. The seat belt buckle circuit operates from internal boost voltage supplied by the SRSCM, and uses chassis ground for the signal return. The buckle status shall modify the SRSCM deployment. If the buckle status is unbuckled, the corresponding pretensioner will not be deactivated.

Side Impact Sensor (SIS) Repair procedures

Removal Pressure Side Impact Sensor • Removal of the airbag must be performed according to the precautions/procedures described previously...

Seat Belt Buckle Switch (BS) Components and Components Location

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: 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 side crash occurs. The SRSCM determines deployment of curtain airbag by using side impact sensor (SIS) signal. Never attempt to measure the circuit resistance of the airbag module even if you are using the specified tester...

Hyundai Sonata LF 2014-2019 Service Manual: External AMP Repair procedures