 Odometer/Trip Question, How is data stored/transferred? |
 Jul 20, 2010 - 3:28 AM
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Enthusiast  Joined Aug 11, '09 From Buffalo, NY Currently Offline Reputation: 15 (100%)  |
I've been thinking about modifying the odometer and trip in my dash for a while now, and I think I have a solution in hand that I'm not quite going to reveal yet, because I have a couple questions I need answered first.
Firstly, how does the car store the odometer information? Is it in the ECU or is it a chip on the dash cluster or what? Secondly, how is that information transferred from storage to the actual odometer or trip? Is it mechanical or electrical? The second question is more important than the first - honestly though I have no idea how the thing works,  I just know it rolls over every mile I drive (or tenth of a mile) and looks dated, and I want it out of my dash. lolThanks in advance for any help. --------------------  |
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Jul 26, 2010 - 10:02 PM
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 Enthusiast Joined Mar 22, '07 From Houston, TX Currently Offline Reputation: 4 (100%) |
not quite. the signal from the transmission is more of a square wave which the frequency is relative to the speed.. look around and see if there are any gauge clusters that the odo/trip computer is in the cluster its self..
-------------------- QUOTE "And, as always, your friendship, help, and dedication to the advancement of Texas Celica dominance is GREATLY appreciated. Thanks bro." -DEATH 1994 GT: V6 swap, 5speed E53 W/ LSD, All Power, now RED 1995 ST: SOLD @273k miles, Auto, all power, CarPC, White 1994 ST: Totaled, 5spd, all power, Red RIP 07/09/09 @ 241,810 1994 Lexus LS400: This is my new DD |
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Jul 27, 2010 - 2:14 PM
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Enthusiast Joined Aug 11, '09 From Buffalo, NY Currently Offline Reputation: 15 (100%) |
QUOTE (stephen_lee @ Jul 26, 2010 - 11:02 PM)  not quite. the signal from the transmission is more of a square wave which the frequency is relative to the speed.. look around and see if there are any gauge clusters that the odo/trip computer is in the cluster its self.. 7th gen cluster swap is out of my knowledge range. I thought frequency was relative only to sound - you're telling me the transmission is sending an electronic square wave transmission through a wire to my dash? -------------------- |
Posts in this topic
Espo Odometer/Trip Question Jul 20, 2010 - 3:28 AM
aspen They are both 100% mechanical. The ECU doesn't... Jul 20, 2010 - 4:26 PM
Espo QUOTE (aspen @ Jul 20, 2010 - 5:26 P... Jul 21, 2010 - 3:49 PM stephen_lee speed signal comes in to the speedo/odo and spins ... Jul 21, 2010 - 4:48 PM Espo QUOTE (stephen_lee @ Jul 21, 2010 - 5... Jul 21, 2010 - 11:39 PM stephen_lee basically. its using a magnet and reed switch to c... Jul 27, 2010 - 6:45 PM Espo QUOTE (stephen_lee @ Jul 27, 2010 - 7... Jul 27, 2010 - 10:11 PM stephen_lee idk where you think i said gen 7 from lol. but yet... Jul 28, 2010 - 4:32 PM Espo QUOTE (stephen_lee @ Jul 28, 2010 - 5... Jul 29, 2010 - 12:17 AM zfjohnson07 thatd be cool to do. i want to go completely elect... Jul 28, 2010 - 7:07 PM |
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