my SAUJP thread- need to figure this MAT/IAT issue out. help!
10-07-2011, 11:22 AM
#51
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Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
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Re: my SAUJP thread- cool startup surge *FIXED*
Sounds like the 9.xx in the retard table and the advance of 4.xx was a good move to lower them.
The IAT and other temp sensors use the lookup table because they are not linear output.
Removing the "send to lookup table" will show you the raw hex value from 0-255.
At least you might have got the surge under control.
The IAT and other temp sensors use the lookup table because they are not linear output.
Removing the "send to lookup table" will show you the raw hex value from 0-255.
At least you might have got the surge under control.
10-07-2011, 11:28 AM
#52
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Re: my SAUJP thread- cool startup surge with DATALOG
alright, just got back from a light cruise with another question. does the ecm mainly control idle by fueling and timing, without IAC, until rpm error reaches a certain point? more specifically, when the engine is first started, whether it be at lower temps or operating temps. reason i ask is ive reset the timing error tables to the AXXD bin values and the lower rpm error was 4.92 on the advance table and on the timing retard table some of the upper values were up at 9.XX*. started it up and no more surge. granted the startup temp was 130*F but earlier today before i reset those tables it still surged but not as long. am i making sense? ill report tomorrow after i start it for the first time.
now if i can only figure this annoying IAT temp sh*t. is there a way to display the raw values in the ADX?
now if i can only figure this annoying IAT temp sh*t. is there a way to display the raw values in the ADX?
now anyone know how to get the raw MAT/IAT to be displayed in the ADX?
*edit* thanks JP just saw your post lol. i actually increased those values in the error tables to give the ecm more timing control to use. reducing those seems to limit how much the ecm can advance/retard timing
10-07-2011, 12:30 PM
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Re: my SAUJP thread- cool startup surge *FIXED*
ok so i just tried to read IAT as raw value and its stuck on 55. i think i need to go back further. i know for a fact its working because i can ajust the MAT tables and it directly affects the A/F ratio depending on what the amb temp is. i have to highlight a few rows at a time but either way it still works. what is the path for the data to be recognized in TPV5? im seeing packet offsets and commands, anyone know what they should be?
10-11-2011, 08:29 PM
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Re: my SAUJP thread- need to figure this MAT/IAT issue out. help!
bump^^^
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