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Joined: Nov 2003
Posts: 453
Jtultra
Senior Member
Jtultra Jul 31, 1:50am - #236896 

Senior Member
2000 Toyota Celica

Joined: Nov 2003
Posts: 453
Marietta, GA
Reseting ECU

hey how do you do it w/out unhooking the battery?

The 2ZZ god
Joined: Oct 2003
Posts: 1,227
hephaestus
Specialist
hephaestus Jul 31, 2:36am - #236897 
Specialist

Joined: Oct 2003
Posts: 1,227
New Jersey
Just cut some wires from the battery or ECU and then splice them back together.
Joined: Aug 2003
Posts: 4,278
Virgilson
TheFilipinoCrew
Virgilson Jul 31, 3:17am - #236898 

TheFilipinoCrew
2000 Toyota Celica GT

Joined: Aug 2003
Posts: 4,278
Pomona, CA
ummm i think unhooking the battery terminal is the fastest and more safe way to reset ur ecu.

**DONOTDELETE**
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Anonymous Jul 31, 4:49am - #236899 
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only way to do it
Joined: Jul 2004
Posts: 42
stormyone
Member
stormyone Jul 31, 6:32am - #236900 

Member
2000 Toyota Celica GT

Joined: Jul 2004
Posts: 42
Cincinnati, OH
Pull the fuse
Joined: Oct 2003
Posts: 1,864
stefanoc
Specialist
stefanoc Jul 31, 8:28am - #236901 

Specialist
2002 Toyota Celica

Joined: Oct 2003
Posts: 1,864
CA
few ways to do it.unplug the wire of the battery, remove a fuse, reset it by obd computer, or there should be an easier way described in the manual. if you are afraid to unhook the battery to reset bcz you wanna lose the radio and all programmed stuffs, then buy that thing that goes in ur cig lighter place and saves everything in it. after unhooking and hooking ur battery up, that will put the info back in ur system and you wont lose anything. it doesnt function that way exactly but thats wut it does. you keep it in ur lighter when moving the cable and putting it back on. the thing only costs less than 5$
Joined: May 2003
Posts: 583
Jae
Senior Member
Jae Jul 31, 10:53am - #236902 

Senior Member
2001 Toyota Celica

Joined: May 2003
Posts: 583
palm springs, burbank CA
i think you have unbolt the negative charge of the battery for about 5-10 mins and put it back on
Joined: Aug 2003
Posts: 6,372
Speed4TheNeed
Caleb
Speed4TheNeed Jul 31, 11:45am - #236903 

Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Originally Posted by stormyone
Pull the fuse


yeah, you can pull a certain fuse and it reset ur ecu w/out losing ur radio presets and not having to reset your clock.

really the fastest way is to just unhook your negative battery terminal for a few min...resetting ur radio presets and your clock takes 2 min max.
Joined: Jun 2004
Posts: 1,376
QTRMLR_1
Specialist
QTRMLR_1 Jul 31, 2:28pm - #236904 

Specialist
2002 Toyota Celica

Joined: Jun 2004
Posts: 1,376
Los Angeles, CA
^^ stefanoc, I could be wrong but I think resetting it by OBD-II computer just clears the DTC codes but does not reset the fuel and ignition maps. You have to "unhook" or "pull" to do that. I have an OBD-II scanner and this is how I believe it operates.

I get my kicks on EC.
Joined: Nov 2003
Posts: 453
Jtultra
Senior Member
Jtultra Jul 31, 3:45pm - #236905 

Senior Member
2000 Toyota Celica

Joined: Nov 2003
Posts: 453
Marietta, GA
well pulling the negative wire off the battery is a pain because my alarm will go off when I put it back on. O the reason I'm asking is because my O2 sensors in my exhaust have gone bad. I just want to keep reseting the ECU so I won't start running rich

The 2ZZ god
Joined: Aug 2003
Posts: 41
RATIFIED
Member
RATIFIED Jul 31, 3:50pm - #236906 
2000 Silver Toyota Celica
Member
2000 Toyota Celica

Joined: Aug 2003
Posts: 41
Sumter,SC
Pull the 15 amp EFI fuse located under the Hood in the fuse box on the drivers side. Leave it out for a few minutes and replace.
Joined: Sep 2002
Posts: 3,030
Erick
Bread Fishing..
Erick Jul 31, 3:52pm - #236907 

Bread Fishing..
2001 Toyota Celica GT

Joined: Sep 2002
Posts: 3,030
Bay Area, CA
Originally Posted by stormyone
Pull the fuse


i found it easier.. there's a total of three i took out when i reset it for my CAI..just check underneath the fuse box cover... thumbsup

LNK
"you only need something when you know it exists..then it becomes a want"
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