94 tercel check engine light code retrieval

4100 Views 7 Replies 0 Participants Last post by Matt, Jan 8, 2006

Discussion Starter · Jan 7, 2006

Hi all,
Check engine light has been on, autozone cannot check it with their
diagnostics because the vehicle is older than 96. Toyota dealer will do
it for 37.00 but also mentioned I could do it myself by connecting wires
and seeing how many times the check engine light blinks? Can anyone
walk me through this process? 37 bucks is 37 bucks.
TIA
Matt

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Discussion Starter · #2 · Jan 7, 2006

Yeah, find the diagnostic connector under the hood and open it. Should be
TE1 and E2. Jump the terms with a paper clip or bit of wire, turn the
ignition on, and the light should try to tell you something. Let us know
what you get.

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Discussion Starter · #3 · Jan 7, 2006

On Sat, 07 Jan 2006 14:03:18 +0000, Matt wrote:

> Hi all,
> Check engine light has been on, autozone cannot check it with their
> diagnostics because the vehicle is older than 96. Toyota dealer will do
> it for 37.00 but also mentioned I could do it myself by connecting wires
> and seeing how many times the check engine light blinks? Can anyone
> walk me through this process? 37 bucks is 37 bucks.
> TIA
> Matt

Actually, $37 is nothing! The dealer I worked for charged $99!!!!

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Discussion Starter · #4 · Jan 8, 2006

qslim wrote:
> Yeah, find the diagnostic connector under the hood and open it. Should be
> TE1 and E2. Jump the terms with a paper clip or bit of wire, turn the
> ignition on, and the light should try to tell you something. Let us know
> what you get.
>
Can you be any more specific as to where that might be? Is it near the
fuse box?
Thanks
Matt

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Discussion Starter · #5 · Jan 8, 2006

On Sun, 08 Jan 2006 03:19:38 +0000, Matt wrote:

> qslim wrote:
>> Yeah, find the diagnostic connector under the hood and open it. Should be
>> TE1 and E2. Jump the terms with a paper clip or bit of wire, turn the
>> ignition on, and the light should try to tell you something. Let us know
>> what you get.
>>
> Can you be any more specific as to where that might be? Is it near the
> fuse box?
> Thanks
> Matt

It may be near the battery. It has a curved cover over it that says
DIAGNOSTIC. There will be a diagram inside showing where the connections
are. On a '95, it was between the fuse block under the hood and the
firewall.

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Discussion Starter · #6 · Jan 8, 2006

Nope, I can't. It'll be under the hood somewhere, about 1" by 3", and it
says 'diagnostic'. Open the cover, and there will be a little diagram
showing the terminal layout.

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Discussion Starter · #7 · Jan 8, 2006

qslim wrote:
> Nope, I can't. It'll be under the hood somewhere, about 1" by 3", and it
> says 'diagnostic'. Open the cover, and there will be a little diagram
> showing the terminal layout.
>
Great. I will poke around. Thanks for your help!

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Discussion Starter · #8 · Jan 8, 2006

Matt wrote:
> qslim wrote:
>
>> Nope, I can't. It'll be under the hood somewhere, about 1" by 3", and it
>> says 'diagnostic'. Open the cover, and there will be a little diagram
>> showing the terminal layout.
>
> Great. I will poke around. Thanks for your help!
I found it. However there are many little places to put a paper clip or
wire. The terminal layout is there, but I don't know what to do from there.
Thanks

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