C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Chip Question

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Old Jul 13, 2011 | 05:02 PM
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I had my car tuned by a local guy, but he burned Moate's chip and did not give me a copy of the file in the chip.

Is there a way to read the program from the chip to see what my fan off/on and idle settings are, so I can modify them?
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Old Jul 13, 2011 | 05:07 PM
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You should be able to see the actual fan request "on/off" and the temp it occured @ with a program like Tuner Pro RT

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Old Jul 13, 2011 | 05:24 PM
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Larry, you first have to get or borrow yourself a device that can read chips. Then you can go to the Cats "Tuner Pro" site and get the version you need to read the bin file.

Arnold
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Old Jul 13, 2011 | 06:11 PM
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Originally Posted by vettef6
Larry, you first have to get or borrow yourself a device that can read chips. Then you can go to the Cats "Tuner Pro" site and get the version you need to read the bin file.

Arnold
I've found the Moates site much more complete for bins & def files.
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Old Jul 13, 2011 | 06:26 PM
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Thanks guys, I have the Moates burner, TTS Datamaster and Tunerpro,, but I loaded WIN7 onto the lap top and lost the old programs,, I just reloaded them and pulled the chip info into the Buffer and saved it to a .bin file...

For some reason, the chip is now turning the radiator puller fan on as soon as the cold car starts up, the old chips do not do that, so I want to look at the chip to see when he is turning the fan on.

I cant wait to get the harness for the FAST XFI and begin to install it,
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Old Jul 13, 2011 | 08:13 PM
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If you have a burn module, you should be able to read the chip with TunerproRT. There are very few bins floating around if you have an 85.
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Old Jul 13, 2011 | 08:34 PM
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Thanks guys, I was able to read the Chip, with Tunerpro RT
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Old Jul 13, 2011 | 09:34 PM
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............ Does the SES light stay on ? If so , that and the cooling fan running would indicate that you're running in limp home mode ................
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Old Jul 13, 2011 | 10:30 PM
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Hey Larry, it sounds like the chip may be plugged in backward

(don't ask me how I know)
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Old Jul 14, 2011 | 07:12 AM
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No the chip is in correct, I have already done that before too... no the SES light does not come one.

I plugged in an old chip from Alvin and the fan comes on at 185, but the chip from the last tuner comes on after I turn the ignition on.

Which 86-89 def file is everyone using? I had all this stuff installed 3-4 years ago and I just cant recall which files to use.


And the Tunerpro uses .xds and I ma sure that I did not use that extension last time. The info is arranged much different with the .xds extension.


I will look into it more this morning., yesterday was a very long sales/travel day in the car (17 hours) but I'm back in the office part of today.
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Old Jul 14, 2011 | 08:16 AM
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I'm using a 6E xdf with a very modded ARAP bin. The 6E eliminates the cold start valve. I think there is a different bin guys are using with stick cars though.
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Old Jul 14, 2011 | 10:12 AM
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I think the APYP is the manual version of the ARAP.
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Old Jul 14, 2011 | 01:02 PM
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For an 85 with a 165 ecm swap, you will normally need to set the N.O. Cooling Fan Req input (like an f-body bin). This switch is not set in the typical vette bins.

Otherwise, the ecm thinks that the A/C high pressure switch is closed and the cooling fan will be activated via AC high pressure.

To confirm, you can check your AC high pressure switch to determine if its really a normally open or normally closed switch. You should also verify that you have the correct setting in the bin.
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