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When trouble arises
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5-1. Essential information
Event data recorder
In a crash or a near car crash event
The EDR may record some or all of the following information.
● Engine speed
● Whether the brake pedal was applied or not
● Vehicle speed
● To what extent the accelerator pedal was depressed
● Position of the transmission shift lever
● Whether the driver and front passenger wore seat belts or not
● Driver's seat position
● Front passenger’s occupant classification
● SRS airbag deployment data
● SRS airbag system diagnostic data
Your Lexus’ Electronic Control Unit (ECU) may contain another EDR.
There are a variety of driving situations which include activating the vehi-
cle stability control (VSC) under which the VSC EDR will record certain
information. The VSC EDR may record some or all of the following infor-
mation:
● Behavior of the vehicle
● Steering wheel angle
Your vehicle has computers that monitor and control certain aspects 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 car crash event. This is called an Event Data
Recorder (EDR).
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