Erasing OBDII Codes (Camry 2005)

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Old 15 Jun 2009, 09:31 am   #1 (permalink)
wbraczko@gmail.com
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Default Erasing OBDII Codes (Camry 2005)

In my OBDII reader user manual there is a following info:
----------------------------------------------------------------------------------------------------
5.2 Erasing Codes
CAUTION: Erasing the Diagnostic Trouble Codes may allow the scan tool
to delete not only the codes from the vehicle’s on-board computer, but
also “Freeze Frame” data and manufacturer specific enhanced data.
Further, the I/M Readiness Monitor Status for all vehicle monitors is
reset to Not Ready or Not Complete status. Do not erase the codes
before the system has been checked completely by a technician.
------------------------------------------------------------------------------------------------------
I would need a "translation" of the above info, and some
recommendations for Camry. Is there any issue with deleting codes? I
am assuming, if the issue has not been corrected after the codes have
been reset, they would come back again.

Thanks in advance.
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Old 15 Jun 2009, 01:02 pm   #2 (permalink)
Michael
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Default Re: Erasing OBDII Codes (Camry 2005)

On Jun 15, 7:31*am, "wbrac...@gmail.com" <wbrac...@gmail.com> wrote:
> In my OBDII reader user manual there is a following info:
> ----------------------------------------------------------------------------------------------------
> 5.2 Erasing Codes
> CAUTION: Erasing the Diagnostic Trouble Codes may allow the scan tool
> to delete not only the codes from the vehicle’s on-board computer, but
> also “Freeze Frame” data and manufacturer specific enhanced data.
> Further, the I/M Readiness Monitor Status for all vehicle monitors is
> reset to Not Ready or Not Complete status. Do not erase the codes
> before the system has been checked completely by a technician.
> ------------------------------------------------------------------------------------------------------
> I would need a "translation" of the above info, and some
> recommendations for Camry. Is there any issue with deleting codes? *I
> am assuming, if the issue has not been corrected after the codes have
> been reset, they would come back again.
>
> Thanks in advance.



Doesn't simply disconnecting the battery erase the codes? Leave the
battery disconnected... oh, 30 minutes or so... then re-connect?

It's been awhile, and I think this erased the Check Engine Light for
me when I had my problems, but I'm not certain if this also erases the
codes stored... I had an oxygen sensor failure on the '99 Camry.
Disconnected the battery, swapped the oxygen sensor with a new one, no
more Check Engine Light, but I didn't bother to see if the codes were
still there...

Michael
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Old 18 Jun 2009, 11:25 pm   #3 (permalink)
john
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Default Re: Erasing OBDII Codes (Camry 2005)

No problem deleting codes. As long as you wrote them down for
reference. Just disconnect the battery or pull the EFI fuse for a
minute should do it.

Unless you need to use them, it's OK just to clear them. The I/M
monitors will come back after some drive cycles, just mean that the
corresponding diagnostics program completed.



On Jun 15, 7:31*am, "wbrac...@gmail.com" <wbrac...@gmail.com> wrote:
> In my OBDII reader user manual there is a following info:
> ----------------------------------------------------------------------------------------------------
> 5.2 Erasing Codes
> CAUTION: Erasing the Diagnostic Trouble Codes may allow the scan tool
> to delete not only the codes from the vehicle’s on-board computer, but
> also “Freeze Frame” data and manufacturer specific enhanced data.
> Further, the I/M Readiness Monitor Status for all vehicle monitors is
> reset to Not Ready or Not Complete status. Do not erase the codes
> before the system has been checked completely by a technician.
> ------------------------------------------------------------------------------------------------------
> I would need a "translation" of the above info, and some
> recommendations for Camry. Is there any issue with deleting codes? *I
> am assuming, if the issue has not been corrected after the codes have
> been reset, they would come back again.
>
> Thanks in advance.


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