Front Seat Belt Pretensioners
WARNING: This page is about a different car, the 2006 Suzuki Reno and 2006 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Tampering with seat belt pretensioner creates the risk of an injury from unexpected deployment. Therefore, the front seat belt pretensioners should never be disassembled.
The seat belt pretensioners (with load limiter for some vehicles) are assembled with each front seat belt retractors to retract the seat belt webbing when accounted frontal collision. The seat belt pretensioners are controlled by Sensing and Diagnostic Module (SDM). The seat belt pretensioner contains an igniter charge and a gas generator to pull the seat belt webbing. The seat belt pretensioner must be replaced after an accident that causes its activation.
The 2006 Model seat belt pretensioner also contains a shorting bar to prevent current from travelling through the seat belt pretensioner during servicing. The shorting bar is disengaged when the connector is connected.