KIA Niro: Seat Belt Buckle Switch (BS)

Seat Belt Buckle Switch (BS) Description and operation


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.

Seat Belt Buckle Switch (BS) Components and components location

Seat Belt Buckle Switch (BS) Repair procedures

Seat Belt Buckle Switch (BS) Repair procedures


  1. Disconnect the battery negative terminal, and wait for at least three minutes before beginning to work.
  2. Remove the front seat assembly.

    (Refer to the Body - "Front seat")

  3. Loosen the mouting bolt and then remove the seat belt buckle switch (A).



  1. Install in the reverse order of removal.


If the seat belt is not attached, and the ignition switch to the ON position the seat belt warning lamp lights should be lit continuously, it was 6 seconds.

However, the check ride after Passenger seats.


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