Hyundai Elantra: SRSCM / Seat Belt Buckle Switch (BS)
Description and operation
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| The SRSCM should detect the condition of seat belt buckles (BS) of the driver and passenger seats. |
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| The SRSCM provides two pins to each side, in order to enter the condition of seat belt buckles (BS) of the driver and passenger seats. |
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| The seat belt buckle circuit is operated using internal boost voltage supplied by the SRSCM, and uses body ground for signal return. |
Components and components location

1. Seat belt buckle switch (BS)
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Repair procedures
1. | Disconnect the negative (-) battery terminal. •
| Disconnect the battery negative cable, and wait for at least three minutes before beginning work. |
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2. | Remove the front seat assembly. (Refer to Body (Interior and Exterior) - "Front Seat Assembly") |
3. | Disconnect the front seat belt buckle connector wiring (A). 
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4. | Remove the front seat belt buckle (A) after loosening the monuting bolt. Tightening torque : 39.2 - 53.9 N.m (4.0 - 5.5 kgf.m, 28.9 - 39.8 lb-ft) |

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5. | To install, reverse the removal procedures. •
| Assemble the connector securely. |
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| When the ignition switch is turned on after installing the airbag, check that the warning light turns on for about 6 seconds and then goes out. |
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Description and operation
Description•
Side Impact Sensors (SIS), each installed on the center part of the right and left front door modules and the right and left center pillars, detects side impact during collision...
Description and operation
Description1.In order to make normal activation of airbag system, SRSCM detects DTC(s) for the Occupant Classification System (OCS)...
Other information:
Components and components location
Component Location 1. Trunk lid assembly
Repair procedures
Replacement
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When removing and installing the trunk lid, an assistant is necessary.
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Be careful not to damage the trunk lid and body surface...
Lift and Support Points
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When heavy rear components such as suspension, fuel tank, spare tire, tailgate and trunk lid are to be removed, place additional weight in the luggage area before hoisting. When substantial weight is removed from the rear of the vehicle, the center of gravity may change and can cause the vehicle to tip forward on the hoist...