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Location:
sunny coast, qld
Registered:
October 2002
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error codes on 96 model v6 camry
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Fri, 04 November 2005 02:39
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Hi guys,
My parents camry (vienta) is having some issues starting. It cranks over for a couple of seconds before it will start and when it does it smells very rich.
So far they have had 2 mechanics look at it and has cost them $700 for new leads and new fuel pump. Both of these things have done absolutely nothing to fix the problem. So I suggested we check for error codes.
Problem is I have never done it before. I have found http://www.mkiv.com/techarticles/engine_codes/obd1 _codes.html detailing how to do it for a Supra. But the camry doesn't have the TE1 and E1 pins. It has E1 but not TE1. It had Tt and Tc IIRC.
So which pins do I have to bridge?
Thanks in advance
Chris
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Location:
sunny coast, qld
Registered:
October 2002
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Re: error codes on 96 model v6 camry
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Fri, 04 November 2005 23:02
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anyone?
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 00:19
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What pins are there in there?
Get a pic if possible.
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Location:
sunny coast, qld
Registered:
October 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 00:58
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Don't worry I am blind  I found the TE1 but needed the zoomed in picture to find it  .
Will the codes be the same as the ones for the Supra?
After all the effort I put in to get this pic, I am posting it up anyway. 
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Location:
sunny coast, qld
Registered:
October 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 06:14
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alright, didn't get any codes on the Camry. Got heaps on my car though (as expected)
So any ideas where to start. Car takes at least 5 seconds to start . Doesn't seem to be any different with cold start or warm start. The engine cranks over but doesn't start for a while. When it is cold and it starts it revs at 900rpm then goes straight to around 2000rpm and then slowly comes back down as it warms up.
When the car starts a puff of fuel smoke comes out of the exhaust.
Has new plugs and leads, fuel pump and filter.
Any ideas?
Thanks
Chris
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 06:18
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Do they run a fuel pump ecu?
Bridge Fp and +B and see if it makes a difference starting.
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Location:
sunny coast, qld
Registered:
October 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 06:37
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Just did that and didn't make a difference the first time.
We turned it off and did it again and then it started instantly but my mum said that it would usually do that anyway. So I will try that again in 20 minutes or so.
Was that to make sure that there was fuel pressure as soon as the ignition is turned on?
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Location:
Brisbane
Registered:
May 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 06:53
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| Chris Davey wrote on Sat, 05 November 2005 17:37 |
Was that to make sure that there was fuel pressure as soon as the ignition is turned on?
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No, that was to bypass the fuel pump control module if the car had one...
Fuel pressure regulator?
Cheers
Wilbo
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Location:
sunny coast, qld
Registered:
October 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 07:09
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mechanic said they checked fuel pressure so I assume the FPR's are good. Then they changed the fuel pump anyway. 
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Location:
Brisbane
Registered:
May 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 07:23
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Well I would be surprised if it had a cold start injector, so it sounds like it isn't getting cold start / or start enrichment...
Does a code get thrown if you unplug the ECU water temp sensor?
Is the ECU getting the starter signal?
I have no idea
Cheer
Wilbo
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Location:
sunny coast, qld
Registered:
October 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 07:45
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I was thinking water temp sensor also but I would have thought it would have picked it up if it was stuffed already?
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Location:
Brisbane
Registered:
May 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 07:54
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Unplug it and see if it is throwing a code? Or even better remove it and test the resistance versus temperature yourself 
It may have a corroded/high resistance connection, or failed such that it reads hot when it is cold or something? But still be within possible parameters (spurting ideas).
The ECU will only throw the code related to the starter signal if it doesn't start after 15 seconds I beleive, so that may also be a reason for no enrichment (if it starts within 15secs I don't think it will set the code). Check this at the pin on the ECU (will need to get a diagram to find out which pin is STA  ).
Another option would be to take it to toyota and let them get the ODBII data out of it? (I though OBD2 came out in 96 so it should have it..?).
Cheer
Wilbo
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Location:
tas
Registered:
June 2002
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Re: error codes on 96 model v6 camry
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Sat, 05 November 2005 14:08
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Thats what i thought, need the hand scanner to get the ODBII data, there is a plug for it under the dash somewhere. Might be different on 96 camry's.
Anyhow keep checking all things fuel related, wonder if there's a slight leak that cuases it not to start until the fuel has built up pressure. (one explanation anyway)
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