MattB
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« Reply #750 on: July 28, 2016, 10:04:15 AM »
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v3.0 cable with v16 software
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dream3R
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« Reply #751 on: July 28, 2016, 10:31:33 AM »
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Volvo CAN is still in BETA so to speak v18+ all ME7 works fine.
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MattB
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« Reply #752 on: July 28, 2016, 12:47:18 PM »
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Okay. Anyway I'm not going to try in-car flash anymore I think  What I'm really wondering is how would it be possible to harm the hardware through the OBD port... I have this strange behavior of the ECU: For the bench, pins B11 and B37 on the ECU have to be powered. Currently when I plug both, my power supply will fall from 13.5V to 5-6V, maybe 7-8. If I only plus either B11 or B37, the current will stay at 13.5V. But that won't allow boot. I'm going to give the ECU to my brother (who works designing and building circuit boards) for him to have a look at it. If he can't find anything, I'll have to find another one. Which leads to next question (which I hope I won't need an answer for): which chip is the immo chip? |
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dream3R
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« Reply #753 on: July 28, 2016, 04:43:10 PM »
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No idea but Phil is Phil lolllll
current can't be in volts, read ohms law lol
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fredrik_a
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« Reply #754 on: July 30, 2016, 01:42:29 PM »
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What really worries me, is with powering the ECU: I'm using a regulated power supply set to 13.5V. But when I Connect it to the ECU, voltage will often drop to 5-6V.
What's the current limitiation on the PSU? If set low (and I hope you have a PSU that has adjustable current limit!),the PSU will only allow as much voltage as the current limit is set to (Ohm's law again). |
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MattB
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« Reply #755 on: August 01, 2016, 05:01:34 AM »
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Oops sorry for using the word current, meant voltage For the PSU, current was set almost as low as possible and it always worked that way. When it started acting strange, I tried changing the current limit setting, but as I said it would never go over 8 volts. Anyway, I decided to just get another compatible ECU and have the immo chip transferred from the old one by someone qualified. Maybe I'll ask him if he can have a look at the old one and see if he can find something wrong. |
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nyet
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« Reply #756 on: August 01, 2016, 09:58:14 AM »
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I said it would never go over 8 volts.
Exactly the purpose of current limiter - limit current by lowering voltage if the load resistance is too low. If you used a 12v battery directly, you'd likely smoke something. |
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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Opti
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« Reply #757 on: August 22, 2016, 02:11:55 PM »
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Hey guys,
I'm trying to figure out why the ECU thinks that some cylinders are knocking more than others. Sometimes at very low load (~35) which seems erroneous. See attached ECUxPlot.
I just saw a thread here that stated that dwkrz_0-4 do not indicate the cylinder order but rather the firing order. So in this case dwkrz_4 would be cylinder 3 since the firing order is 1-2-4-5-3. This would mean that the ECU detects knock more often in cylinders 1-3 than 4-5. I have visaully checked, cleaned and torqued the knock sensors to correct spec without any difference. Do these go bad without DTCs sometimes?
I don't hear any abnormal noises from the power steering pump, alternator or AC, but I guess I could pull the belt and see if there's a difference since I also get CF when revving in neutral. dwkrz_4 (notated Cyl5 in plot) does always stand out from the rest. Any other things I could check in order to narrow down this problem?
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thedrill
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« Reply #758 on: August 22, 2016, 02:38:12 PM »
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Hi Opti,
I had a similar knock problem on my friends v70, it was getting a lot of knock when logging (M4.4) it turned out to be the large breather hose from the breather box to the PTC that was touching the knock sensor and causing the issue.
P.S what are you using for logging parameters with your Volvo?
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Opti
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« Reply #759 on: August 23, 2016, 08:56:03 AM »
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Hi Opti,
I had a similar knock problem on my friends v70, it was getting a lot of knock when logging (M4.4) it turned out to be the large breather hose from the breather box to the PTC that was touching the knock sensor and causing the issue.
P.S what are you using for logging parameters with your Volvo?
Thank you, I will check that. Did it always register knock for you due to vibrations or only when accelerating? I see my knock indication mostly when accelerator position is changed quickly (might support theory that something is loose perhaps?). I'm using the datalogger from Hilton Tuning to log ram variables. Do you know any other solutions available? |
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guitar24t
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« Reply #760 on: August 23, 2016, 09:38:10 AM »
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Thank you, I will check that. Did it always register knock for you due to vibrations or only when accelerating? I see my knock indication mostly when accelerator position is changed quickly (might support theory that something is loose perhaps?).
I'm using the datalogger from Hilton Tuning to log ram variables. Do you know any other solutions available?
Check your engine mounts, specifically your upper and lower torque rods, for any excess play. That can cause an issue like this |
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thedrill
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« Reply #761 on: August 23, 2016, 06:27:30 PM »
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quote author=Opti ..I'm using the datalogger from Hilton Tuning to log ram variables. Do you know any other solutions available?
Not at the moment, I'm waiting on a solution from a friend on the forum...
Hilton logger is quite expensive at $200
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vwaudiguy
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« Reply #762 on: August 23, 2016, 10:32:38 PM »
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No way to use ME7 Logger on these?
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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guitar24t
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« Reply #763 on: August 24, 2016, 07:56:48 AM »
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No way to use ME7 Logger on these?
No, you cannot. Hilton Tuning Suite is the only solution available that I know of, as of now. |
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STEVEPHILP
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« Reply #764 on: August 26, 2016, 09:34:55 PM »
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No, you cannot. Hilton Tuning Suite is the only solution available that I know of, as of now.
I believe that Dream3r actually designed the software and sold it to Hilton. Clever guy. |
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