Kia Rio: SRSCM / Seat Belt Buckle Switch (BS)

Kia Rio 2017-2021 YB 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.

Components and components location
Components

1. Seat Belt Buckle Switch (BS)

Repair procedures
Removal
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 Assembly")

3.

Loosen the mouting bolt and then remove the seat belt buckle switch.

Installation
1.

Disconnect the battery negative terminal, and wait for at least three minutes before beginning to work.

2.

Install in the reverse order of removal.

3.

Reconnect the battery negative terminal.

4.

After installing the seat belt buckle switch, confirm proper system operation:

• Turn the ignition switch ON; the SRS indicator should be turned on for about six seconds and then go off.

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