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02-29 8810-00 5. EVENT DATA RECORDER (EDR) The event data recorder (EDR) stores the driving information data in a crash or near crash event, when the acceleration sensor in the air bag unit detects a sharp acceleration change which meets the EDR operating conditions, regardless of the air bag deployment The air bag unit always stores the driving information data and updates the data with new one periodically. If a collision is detected by front and side impact sensors, the acceleration sensor in the SDM detects the change in acceleration. The air bag unit stores the information on internal acceleration sensor, driving status and air bag deployment at this time. The EDR stores the driving information also when the acceleration sensor in the air bag unit detects a sharp acceleration change in the event of a rear-end collision or side collision for a vehicle without an air bag |