Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Inflatable Restraint Front End Discriminating Sensor

The presence of an inflatable restraint front end discriminating sensor enhances the SIR system performance. Use of the inflatable restraint front end discriminating sensor provides timely deployment of the air bags during some crashes. Although this is a mechanical sensor, the inflatable restraint front end discriminating sensor is not part of the deployment loop, but instead provides an input signal to the inflatable restraint Sensing and Diagnostic Module (SDM).