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Black Box Data Recording

13 messages,  Last post on Sep 29, 2007 at 11:15 AM

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#9 of 13 Re: Black Box Data Recording [volvomax] by user777 Sep 27, 2007 (12:55 pm)
Replying to: volvomax (Sep 27, 2007 8:55 am) not the speedo.   and do these recorders record the angular velocity of each wheel?   all i'm saying is that proper interpretation would require additional expertise to make sure the data was read and interpreted properly. the group which reads out the digital flight data recorders from planes post crash are a specialized group. you wouldn't want every police department or insurance company responsible for same on automobiles would you? Replies to this message: volvomax (Sep 27, 2007 3:37 pm)
#10 of 13 Re: Black Box Data Recording [user777] by volvomax Sep 27, 2007 (3:37 pm)
Replying to: user777 (Sep 27, 2007 12:55 pm) and do these recorders record the angular velocity of each wheel?   If they use the ABS sensors,they do.   There is NOWHERE near the same amount of data on these recorders as there is on an airplane's.
#11 of 13 I notice that in the last 3 years all Toyota's come with a 'Main Reqd' by kdhspyder Sep 28, 2007 (2:11 pm)
...reminder on the dash.   I think that it's more than a coincidence that one of the huge issues Toyota had was over the sludging problem and their contention that the maintenance was not done timely. Now everytime the light comes on it's normally reset when the service is completed.   Black Box recording these events? Replies to this message: volvomax (Sep 28, 2007 5:00 pm)
#12 of 13 Re: I notice that in the last 3 years all Toyota's come with a 'Main Reqd' [kdhspyder] by volvomax Sep 28, 2007 (5:00 pm)
Replying to: kdhspyder (Sep 28, 2007 2:11 pm) Probably,because when the light is reset, the maintenance clock starts over. Euro cars have had maintenance indicators for quite a while.
#13 of 13 What data is recorded? by oldfarmer50 Sep 29, 2007 (11:15 am)
Just what data is recorded on the "black box"?   I assume that routine engine operation functions are monitored but what else? How long is it stored?   I remember stories back a few years where GM was taking readings of stored data and using them to deny warranty claims. As I recall, the car recorded every time the speed was over 80 and the dealers were claiming customer abuse.

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