 Wrong Ecu, Ecu |
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 Sep 2, 2012 - 4:54 PM
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 Enthusiast  Joined Mar 4, '10 From Bronx NY Currently Offline Reputation: 3 (100%)  |
Quick question hope someone answers ... I looked on a couple site but for my ECU i'm not able to find an answer
I'm running 94 Celica, I've place a 4th Gen 3S-GTE from Caldina. I also converted my car from auto transmission to manual. So what I have is a 94 Celica manual 3S-GTE, I did not realize that the guy who sold it to me sold it with a auto transmission ECU. only realized this cause I ran the serial number on the ECU it its a auto (89661‑21330). and apparently there is a difference cause for the same car manual serial is 89661‑213"2"0. So my question is does it matter what ECU im using they both have the same pin hook-up. and if it does make the difference, then what would be the symptoms and why it wouldn't work Thanks guys always for your help -------------------- Always fast and going for the look......
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Sep 2, 2012 - 5:02 PM
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 Moderator Joined Jun 29, '08 From Denver Currently Offline Reputation: 59 (100%) |
If it matters, the ECU will look for sensors on the trans and if it can't find the auto trans, it will go into limp mode, cutting power and not letting the engine rev over a certain RPM. The ECU might not care if the auto trans isn't there.
-------------------- "Employ your time in improving yourself by other men's writings, so that you shall gain easily what others labored hard for." -Socrates. Even Socrates told us to use the search button!
 2006 Aston Martin V8 Vantage. 1998 Celica GT- BEAMS Swapped. 2022 4Runner TRD Off Road Prenium. 2021 GMC Sierra AT4. |
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Sep 2, 2012 - 5:50 PM
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Enthusiast Joined Mar 4, '10 From Bronx NY Currently Offline Reputation: 3 (100%) |
QUOTE (richee3 @ Sep 2, 2012 - 6:02 PM)  If it matters, the ECU will look for sensors on the trans and if it can't find the auto trans, it will go into limp mode, cutting power and not letting the engine rev over a certain RPM. The ECU might not care if the auto trans isn't there. well it does rev above 6000 rpm never let it go higher but it like always from the start its dumping super duper fuel like 5-7mpg sometimes you can see the gauge just drop in 10 mins of driving.. would limp mode do that -------------------- Always fast and going for the look......
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Sep 2, 2012 - 7:23 PM
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Enthusiast Joined Apr 11, '09 Currently Offline Reputation: 11 (100%) |
could you use a manuel 94 ecu? i'm not sure how that works, but i got a 94 st manaul ecu if you need one.
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Sep 2, 2012 - 7:26 PM
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Enthusiast Joined Mar 4, '10 From Bronx NY Currently Offline Reputation: 3 (100%) |
QUOTE (zfjohnson07 @ Sep 2, 2012 - 8:23 PM) could you use a manuel 94 ecu? i'm not sure how that works, but i got a 94 st manaul ecu if you need one. no has to be from a Caldina -------------------- Always fast and going for the look......
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Sep 3, 2012 - 2:01 PM
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Enthusiast Joined Mar 4, '10 From Bronx NY Currently Offline Reputation: 3 (100%) |
bump
-------------------- Always fast and going for the look......
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Sep 3, 2012 - 3:23 PM
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 Enthusiast Joined Feb 11, '08 From Auckland, New Zealand Currently Offline Reputation: 0 (0%) |
best get the manual ecu, has a more aggressive tune, and no auto-related ign retardation, otherwise sure, the engine should run allright and hit boost, just wont be the best it can be.
and yes, your gas milage suffers from ign retardation -------------------- Mike W
1996 Toyota Celica ST205 GT-FOUR GT2860RS turbine, TiAL mvr44, JE 86.5φ piston, Clutchmasters FX400, APEX P-FC 269awhp / 273ft-lbs |
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Sep 4, 2012 - 9:14 AM
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Enthusiast Joined Mar 24, '11 From 704 Currently Offline Reputation: 3 (100%) |
I thought pre-obdii ecus where the same except it tries pinging the o/d (which it can't find) causing the bulb to flash (if you have the o/d bulb)? Otherwise if you have obii it'll throw a code and go into limp mode? I could be wrong though.
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Sep 4, 2012 - 9:19 AM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
i wasnt aware that a Caldina came with a manual
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Sep 4, 2012 - 3:56 PM
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Enthusiast Joined Jun 18, '09 From Orlando Currently Offline Reputation: 8 (100%) |
QUOTE (travisxcore @ Sep 4, 2012 - 10:14 AM) I thought pre-obdii ecus where the same except it tries pinging the o/d (which it can't find) causing the bulb to flash (if you have the o/d bulb)? Otherwise if you have obii it'll throw a code and go into limp mode? I could be wrong though. You're right, but it's not a pre-OBDII engine in this case. This post has been edited by SwissFerdi: Sep 4, 2012 - 3:56 PM -------------------- '97 ST \ Eibach \ KYB \ Kenwood \ Alpine \ Cusco \ OEM+ [sold 10/18]
'93 MX-5 LE |
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Sep 4, 2012 - 5:49 PM
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Enthusiast Joined Mar 4, '10 From Bronx NY Currently Offline Reputation: 3 (100%) |
yea they did not allot but there is... any way to convert it to manual
-------------------- Always fast and going for the look......
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