06-15-2018, 04:50 PM | #323 | |
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06-15-2018, 04:58 PM | #324 | |
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I've heard from others that it's used with those Camshaft sensor CELs |
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06-15-2018, 06:30 PM | #325 | |
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The DTCs are different too. P0016-19 are crank-to-cam position correlation. The ones in that TSB are for issues with cam position signal drops. Different animal. Should we completely trust the TSBs? Hell, it's tough. I hate spending stupid money.
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06-15-2018, 06:39 PM | #326 |
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^^^this^^^ Limp mode = fixed valve timing
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06-15-2018, 06:54 PM | #327 |
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I hear what you two are saying but how could there be a 0 degree VVT angle, etc etc. The angles keep changing and matching the target angle, then the CEL pops up mid drive and every gauge goes to 0. Doesn't make sense to me.
I'm trying to get my TechStream working to get some more solid data but couldn't get the logs working without it crashing. I was informed it was because the program was cracked. Got a different version with a proper key but it's not liking me when I try to connect to the VIM. Once I get this figured out, hopefully the data will show something more conclusive. Because at this point... I dunno wtf to do. Sent from my Pixel 2 XL using Tapatalk |
06-15-2018, 08:40 PM | #329 |
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Yes. Can you upload a CSV to datazap?
What were you doing at the time? Can you log using the driving profile in test-b? I already see some weirdness but I would like to take a log of the same.
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06-15-2018, 08:47 PM | #330 |
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Earlier in this thread, I posted that the way the ecu works in this condition, 2nd drive cycle, is to realize the cam gear settings don't line up with the ECU's target value, so it throws a CEL and sets the cam value to center of its range, or 0. This was my exact issue AFTER the mechanical changes and BEFORE the ecu change. The old ECU will SLOWLY change its target value over time, A LONG TIME, measured in thousands of miles, to catch up with the new cam values. Changing the ecu speeds up the time. New ECU with no stored vvt values, instantly(over a lot less miles) assumes your new cam range is the norm.
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06-15-2018, 09:29 PM | #331 |
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Techstream logs in a proprietary format but it does have an export function that will generate a CSV file. To problem is the header and time code isn’t compatible with datazap. I wrote a little app that will take a CSV that was exported from Techstream and clean it up so it will work with datazap. I will dig it up when I get a chance.
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06-15-2018, 09:46 PM | #332 | |
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06-15-2018, 10:09 PM | #333 | |
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I've replaced both. ECU and Sprockets/Chains. CEL went away with the first ECU replacement, but came back months later. Just did the Sprockets recently. |
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06-15-2018, 10:34 PM | #334 | |
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I don't know if it's true because, according to the last section on this page of the manual, if the ECU never sees the normal, it won't ever overwrite the previously-stored value. I don't know what it takes before the ECU decides what normal is. Maybe record the values of that test every so many miles to see if the values ever change. That could be interesting.
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06-15-2018, 11:56 PM | #335 | |
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Y would be good to see those lelarned values on a car thats throwing codes and then from a car thats ok. Also to see how fast it re learns and if those values go to default on a reflash\reset of ecu or their stored in some other area in ecu. Be good to understand how the "normal" range is determined. Maybe if the ecu has some fault it never determines cams in normal range hence never updateds the values |
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06-16-2018, 12:03 AM | #336 | |
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Here is mine. Here is The Stig's.
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