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- The front impact sensor is installed on the front end upper bar in the engine room, and the analogue G-sensor is housed in the front impact sensor.
- The front impact sensor transmits the coded acceleration data to SRS-ECU. Based on the data, SRS-ECU determines the deployment stage of the front air bag, then energises appropriate squib.
- SRS-ECU performs the diagnostics of the front impact sensor internal components. If a malfunction occurs, it sets the diagnosis code.
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