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

    C..

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Blind Spot Detection Unit Repair procedures


    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the rear bumper. (Refer to Body - "Rear Bumper") 3. Remove the BSD unit (A) after loosening the mounting nuts.     Take care not to separate the bracket from rear bumper when removing the BSD sensor...

    Hyundai Sonata LF 2014-2019 Service Manual: Steering Angle Sensor Repair procedures


    Adjustment Calibration (Setting up the zero angle) Steering Wheel Angle Sensor of a absolute angle type (CAN type) measures the angle under the standard of the zero angle set. Calibration must be performed as following cases. - Replacement of the Steering Wheel Angle Speed Sensor - Replacement or repair of the Steering column - Detection of DTC codes (C1260, C1261) - Replacement of the sensor cluster - Replacement of HECU Calibration procedure Perform wheel alignment and stand the steering wheel in a line within ±5°error...

    Categories

    read more

     
    Copyright © 2026 www.hsonatalf.org