Reset check engine light - Honda-Tech


Reset check engine light

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Old 04-26-2010, 01:03 PM   #1
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Default Reset check engine light

If you fix an issue that is causing your Check Engine Light to come on, will it reset automatically once the system has detected that its fixed?

Or does it need to be manually reset?
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Old 04-26-2010, 02:01 PM   #2
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Default Re: Reset check engine light

You have to do it manually. You can reset it by unhooking the negative terminal on your battery for a minute.
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Old 04-26-2010, 05:48 PM   #3
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Default Re: Reset check engine light

One thing to note: if you use the negative terminal off the battery you may have to put the radio security code in, so make sure you have this handy before removing the battery terminal.
Alternatively if you have a more modern car that is OBD2, you can borrow a code reader and reset the ECU with the code reader.
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Old 04-27-2010, 07:21 PM   #4
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Default Re: Reset check engine light

Or you can pull the radio/backup fuse for 10 secs.
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Old 04-28-2010, 12:05 AM   #5
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Default Re: Reset check engine light

if pulling the fuse or disconneting the battery doesnt do it, like GlassJaw said use a code reader to clear it or just go to the closest parts store and theyll do it no charge
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Old 10-23-2016, 04:02 AM   #6
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Default Re: Reset check engine light

Nobody here has answered the main question. How do you reset the CEL codes on a non-OBD2 honda? (I.E. '95 Accord.) Oh, and without removing the battery cable or resetting the radio by fuse pulling! (Since both have the same result anyway.) It seems that nobody has an answer for this anywhere on the internet. So...???
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Old 10-23-2016, 05:17 AM   #7
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Default Re: Reset check engine light

Quote:
Originally Posted by Jason Zukowski View Post
Nobody here has answered the main question. How do you reset the CEL codes on a non-OBD2 honda? (I.E. '95 Accord.) Oh, and without removing the battery cable or resetting the radio by fuse pulling! (Since both have the same result anyway.) It seems that nobody has an answer for this anywhere on the internet. So...???
Yes they did. Removing the memory backup power to the ECU is how you reset the ECU. Therefore, you pull the fuse or you can disconnect the battery.

This is straight out of the 94/95 Honda Accord Shop manual


If your issue is that you don't want to reset your radio. I guess you could try pulling the power wires directly from the ECU wire harness. However, I would strongly advise against that option.
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