Date: Fri, 3 Apr 2020 14:15:11 -0700
Reply-To: Alistair Bell <albell@SHAW.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Alistair Bell <albell@SHAW.CA>
Subject: Re: Update Re: Engine died,
March 31 update and maybe ecu smoking gun?
In-Reply-To: <CAG9R2yDg8VvMr-PQzcYXi6e6p4jJ3c6yqJfBt2bu+3FMfd26Kw@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
Mark,
Was thinking your example needed external power supply.
In any case, I’ve been thinking of a new iron for the shop, but maybe instead I’ll use th money for a van portable one.
Cheers
Ab
> On Apr 3, 2020, at 2:11 PM, Mark Belanger <mbelanger@gmail.com> wrote:
>
>
> Same thing. Runs off an external power supply and heats up to 400C. Standard Chinese product, where there seems to be one reference design sold under a bunch of different brands. They all use TS tips. The differentiators are typically what is bundled with the unit. I can vouch for the one I bought, but I did also buy a beefier tip to go with it.
>
> The butane iron I referenced is the only one I've ever owned and have never run out of fuel in the middle of use.
>
>
> -MB
>
>> On Fri, Apr 3, 2020 at 1:02 PM Alistair Bell <albell@shaw.ca> wrote:
>> I was thinking more along the lines of this
>>
>> https://www.amazon.com/YKEY-Programmable-Pocket-size-Soldering-Acceleration/dp/B071K5FNGT/ref=sr_1_9?crid=366871RDEB5JY&dchild=1&keywords=usb+soldering+iron&qid=1585944038&sprefix=Usb+solder%2Caps%2C215&sr=8-9
>>
>> Or similar.
>>
>> My one butane iron never lasted long. Probably better ones now and that’s a good option.
>>
>> Alistair
>>
>>>> On Apr 3, 2020, at 12:16 PM, Mark Belanger <mbelanger@gmail.com> wrote:
>>>>
>>>
>>> You mean like this one?
>>>
>>> <https://www.amazon.com/gp/product/B07D35B75T/>
>>>
>>> While they're quite amazing, they require 24V 3A DC, usually via transformer. I also have have a nifty butane powered soldering iron from a company in Japan:
>>>
>>> <https://www.engineer.jp/en/products/sk70e.html>
>>>
>>> Though, my came with a nice metal case. I actually use it with the hot blower tip for heat shrink tubing more than for soldering. Really handy thing.
>>>
>>>
>>> -MB
>>>
>>>> On Wed, Apr 1, 2020 at 10:55 AM Alistair Bell <albell@shaw.ca> wrote:
>>>> One of those new generation usb chargeable ones?
>>>>
>>>> Ab
>>>>
>>>> > On Apr 1, 2020, at 10:42 AM, Jack R <jack007@comcast.net> wrote:
>>>> >
>>>> > Adding a soldering iron to my on-board tool kit, thanks to you sharing your adventure!
>>>> >
>>>> > -----Original Message-----
>>>> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Alistair Bell
>>>> > Sent: Wednesday, April 1, 2020 1:15 PM
>>>> > To: vanagon@GERRY.VANAGON.COM
>>>> > Subject: Re: Update Re: Engine died, March 31 update and maybe ecu smoking gun?
>>>> >
>>>> > Yes the strange times did add a dimension to the event.
>>>> >
>>>> > But golly, was so lucky to breakdown within pushing distance of work, and it wasn’t somewhere else.
>>>> >
>>>> > God forbid it happened on a logging road.
>>>> >
>>>> > Alistair
>>>> >
>>>> >> On Apr 1, 2020, at 10:05 AM, Steven Johnson <sjohnso2000@gmail.com> wrote:
>>>> >>
>>>> >> Bravo! Congratulations! And thanks for giving me something to look
>>>> >> forward to reading
>>>> >> during these strange times....
>>>> >>
>>>> >> Steven
>>>> >> 91 Westy
>>>> >>
>>>> >>>> On Tue, Mar 31, 2020 at 5:38 PM Alistair Bell <albell@shaw.ca> wrote:
>>>> >>>
>>>> >>> I want that tee shirt :-)
>>>> >>>
>>>> >>> Ab
>>>> >>>
>>>> >>>>> On Mar 31, 2020, at 5:21 PM, stuartmacm@gmail.com wrote:
>>>> >>>>
>>>> >>>> Congrats Alistair! You fixed you Vanagon with a soldering iron! I bet
>>>> >>> that's what ECU rebuilders do.
>>>> >>>>
>>>> >>>> -----Original Message-----
>>>> >>>> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of
>>>> >>> Alistair Bell
>>>> >>>> Sent: Tuesday, March 31, 2020 5:17 PM
>>>> >>>> To: vanagon@GERRY.VANAGON.COM
>>>> >>>> Subject: Re: Update Re: Engine died, March 31 update and maybe ecu
>>>> >>> smoking gun?
>>>> >>>>
>>>> >>>> It worked!
>>>> >>>>
>>>> >>>> Thank you very much mark for all your help.
>>>> >>>>
>>>> >>>> Alistair
>>>> >>>>
>>>> >>>>>> On Mar 31, 2020, at 5:04 PM, vw_van_fan_Mark <madvws@cox.net> wrote:
>>>> >>>>>>
>>>> >>>>>> No, bottom left is pin 25.
>>>> >>>>>> Pin 25 is the ignition coil trigger from it's driver transistor.
>>>> >>>>>> That check mark for the middle pin of the transistor appears to show
>>>> >>> that your bad solder joint is for the pin 25 signal as hoped.
>>>> >>>>>>
>>>> >>>>>> Mark
>>>> >>>>>>
>>>> >>>>>> Alistair Bell wrote:
>>>> >>>>>> Ok, did that.
>>>> >>>>>>
>>>> >>>>>> And apologies for the confusing way I noted results.
>>>> >>>>>>
>>>> >>>>>> The board tested in orientation shown, the red tape and black marks
>>>> >>>>>> refer to the pin orientation and results.
>>>> >>>>>>
>>>> >>>>>> From pin mark outwards, too and bottom, check mark means continuity,
>>>> >>>>>> check plus asterisk means brief continuity. Dash mark means no
>>>> >>> continuity.
>>>> >>>>>>
>>>> >>>>>> Started with transistor leg on right. Marks on tape closest to pin
>>>> >>>>>> marks. Working ext was middle leg, and finally left leg.
>>>> >>>>>>
>>>> >>>>>> I think, if I’ve rotated things in my head correctly, the pin marks
>>>> >>>>>> are too left 13, top right 1 Bottom left 14 , bottom right 25
>>>> >>>>>>
>>>> >>>>>> If that’s right, nine of your suggested pins have continuity to any
>>>> >>>>>> of the legs of the trans.
>>>> >>>>>>
>>>> >>>>>> https://shufti.files.wordpress.com/2020/03/3e721a30-3d1c-42e2-9f2a-19
>>>> >>>>>> 2eb14ad5a1.jpeg
>>>> >>>>>>
>>>> >>>>>>
>>>> >>>>>> The transistor as I measured, right leg first, then middle then left
>>>> >>>>>>
>>>> >>>>>> https://shufti.files.wordpress.com/2020/03/cb7b8634-ac9f-4345-b857-3a
>>>> >>>>>> 8a061a9e54.jpeg
>>>> >>>>>>
>>>> >>>>>>
>>>> >>>>>> Ab
>>>> >>>>>>
>>>> >>>>>>
>>>> >>>>>>
>>>> >>>>>>
>>>> >>>>>>>> On Mar 31, 2020, at 4:17 PM, vw_van_fan_Mark <madvws@cox.net> wrote:
>>>> >>>>>>>
>>>> >>>>>>> For fun you could use an Ohm meter to see if that transistor
>>>> >>>>>>> connects to the ECU pin that drives the ignition coil.
>>>> >>>>>>> Put a meter probe on each of the three legs in turn and test the ECU
>>>> >>>>>>> pin(s) with the other probe.
>>>> >>>>>>>
>>>> >>>>>>> I would look at ECU pins 25, 12 3
>>>> >>>>>>> to see if any leg of that transistor connects to any of those pins.
>>>> >>>>>>>
>>>> >>>>>>> The driver transistor for the fuel injectors is the one I'm used to
>>>> >>>>>>> seeing a bad connector at.
>>>> >>>>>>>
>>>> >>>>>>> Mark
>>>> >>>>>>>
>>>> >>>>>>> Alistair Bell wrote:
>>>> >>>>>>>> That black component that had the one leg solder joint broken is
>>>> >>>>>>>> BUV37B
>>>> >>>>>>>>
>>>> >>>>>>>> Looked up and it’s , if I read it right, a power transistor.
>>>> >>>>>>>>
>>>> >>>>>>>> Alistair
>>>> >>>>>>>>
>>>> >>>>>>>>>>
>>>> >>>>
>>>> >>>
>>>> >
>>>
>>>
>>> --
>>> ________________________________________________________________________
>>> Mark Belanger - mbelanger@gmail.com
>
>
> --
> ________________________________________________________________________
> Mark Belanger - mbelanger@gmail.com
| 
