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How to clear ECU? #324377 Nov 11, 6:32pm Nov 11, 6:32pm
Joined: Jul 2004
Posts: 109
VA
ahnjae OP
Member
04 Toyota Celica GTS
ahnjae OP
Member
04 Toyota Celica GTS

Joined: Jul 2004
Posts: 109
VA
How to clear ECU?
hi ive tried to clear the ecu because of a check engine light always poppin up cause of my CAI install but does not work. im following the install guide in the site by pulling the 15a fuse for 1 second but doesnt clear the CEL. Also instead of a 15a fuse i have a 20a fuse in place of it. i own a GTS and is brand new. Does anyone know the problem? Thanx

Re: How to clear ECU? [Re: ahnjae] #324378 Nov 11, 6:33pm Nov 11, 6:33pm
Joined: Sep 2004
Posts: 756
Columbus, Ohio
FastCelicaGT22
Senior Member
2000 Toyota Celica GT
FastCelicaGT22
Senior Member
2000 Toyota Celica GT

Joined: Sep 2004
Posts: 756
Columbus, Ohio
All you need to do is disconnecet the battery and leave the connectors off for about 1 hour


"If your not the lead Dog the View never Changes"
Re: How to clear ECU? [Re: FastCelicaGT22] #324379 Nov 11, 6:44pm Nov 11, 6:44pm
Joined: Jul 2004
Posts: 109
VA
ahnjae OP
Member
04 Toyota Celica GTS
ahnjae OP
Member
04 Toyota Celica GTS

Joined: Jul 2004
Posts: 109
VA
well actually that is what i have been doin, but i have been just diconnecting the battery for a minute and the CEL goes off, is there a difference from disconnecting it for a minute compared to an hour?


...TheY DonT KnoW WhO wE bE...
Re: How to clear ECU? [Re: ahnjae] #324380 Nov 11, 7:20pm Nov 11, 7:20pm
Joined: May 2002
Posts: 6,007
Los Angeles, CA
2001 Absolutely Red Toyota Celica GT
isaac
ECelica Admin
2001 Toyota Celica GT
isaac
2001 Absolutely Red Toyota Celica GT
ECelica Admin
2001 Toyota Celica GT

Joined: May 2002
Posts: 6,007
Los Angeles, CA
https://www.celicahobby.com/forums/ubbthreads.php/topics/267456/ecu-how-to-reset.html

Works just fine for me and for many others... I had done this several times before I actually got the problem corrected (replaced defective o2 sensors)

Double-check that you are pulling the correct fuse... I hope you can finally get this method working for you - its a heck of A LOT easier than having to disconnect your battery all the time (but also fixing the problem that is causing the CEL to be tripped would be the best solution)

I hope things work out for you thumbsup

You should be pulling # 24...

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