All You Need To Know About Automobile Event Data Recorder (EDR)

All You Need To Know About Automobile Event Data Recorder (EDR).

Your vehicle has computers that monitor the control of certain aspect of your vehicle. These computers assist in driving and maintaining optimal vehicle performance. Besides storing data useful for troubleshooting, there is a system to record data in a crash or a near crash event. This system is called an Event Data Recorder (EDR).

The EDR which is similar to flight recorders is sometimes referred to as automotive “black box”.

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The SRS airbag sensor assembly contains the EDR. In a crash or a near crash event, this device may record some or all of the following information:

• Engine speed
• Vehicle speed
• Whether the brake pedal was applied or not
• To what extent the accelerator pedal was depressed
• Position of the transmission selector lever
• Whether the driver and front passenger wore seat belt or not
• Driver’s seat position
• SRS airbag deployment data

If your vehicle is equipped with a vehicle stability control system (VSC), it’s ECU may contain another EDR.

There are a variety of driving situations which include activating the VSC under which the VSC EDR will record certain information. The VSC EDR may record some or all of the following information:

• Behavior of the vehicle
• Vehicle speed
• Steering wheel angle
• To what extent the brake pedal was applied.

You may however be wondering the essence of this EDR; the information is used for the purpose of improving vehicle safety performance.

Before now, have you heard about the EDR? If yes, share with us what you know about it.

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