Transmission Configuration

[CSH-HQ]

OH, for some reason, I just thought something had to be easy <g>.
Grumpy

At 05:08 PM 9/10/99, gmecm at efi332.eng.ohio-state.edu wrote:
>
>You have to read the code very carefully.   The single bits/bytes
>controlling this sort of stuff really cannot be found any other way.
>The will only be accessed in a very limited number of places and they
>won't really have any easy way to find them.
>
>I think we (me and another) may have figured out where the VATS
>(passkeyII) set is in the 93 LT1 setup.  It required figuring out what
>code was set on passkey failure and then verifying (helm manual) that
>this was really the code set, and then carefully examining the code
>around were this code was set to figure out what it was doing.  It is
>being tested to see if this actually bypasses the VATS check by
>eclark.  I found the relavant code that was set and pointed him to
>were in the code it was messing with it.   And he looked at the code 
>very carefully and believes that he found the bit that causes the vats
>failure to be ignored, testing should confirm if he did.
>
>
>
>			Roger
>
>
> On Fri, 10 Sep 1999, CSH-HQ wrote:
>
>> And how does one identify where the byte named manual transmission parameter 
>> is?.  
>> Grumpy
>> 
>> >
>> >The byte is called the "manual transmission parameter". It is located at
>> >0x0688 in my application (87 MAF TPI 1227165 ECM). If the byte is set to 1
>> >it is a manual transmission. If the byte is zero, the transmission is
>> >defined as an automatic.
>> >
>> >I tested this theory on two 87 GM vintage 165 bins. The manual transmission
>> >bin was 1135acyc and the automatic bin was 1099acxt. The manual bin has this
>> >bit set to 1 and the automatic bin has the bit set to 0.
>> >
>> >Best Regards,
>> >
>> >Bruce Wilcox
>>  >>
>
>
>