| Subject: | Update Re: Engine died, March 31 update and maybe ecu smoking gun? |
| From: | Alistair Bell <albell@SHAW.CA> |
| Date: | Tue, 31 Mar 2020 14:51:38 -0700 |
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
>> On Mar 31, 2020, at 2:41 PM, Alistair Bell <albell@shaw.ca> wrote:
> Hi,
>
> Yesterday wasnt much success. Was planning on more but it poured ra=
> in most of afternoon and I really didnt want to fool around in the wEt.
>
> Went into work at 5, got my work work going and then tried....
>
> Timing light with trigger tie wrapped on, inductive lead around plug lead, etc. Crank and no flashing of light.
>
> Installed spare dizzy. Now I have now idea of hall sensor in this unit ok. BUt installed made no change, cranks and no timing light flash.
>
> I was getting pretty disheartened. Back to work and out by midnight .
>
> Today I got the ecu into the home workshop. And looked at it more carefully.
> And I did find one bad solder connection. The pin does move in the joint when lightly probed.
>
> https://shufti.files.wordpress.com/2020/03/65892428-f4f0-4c98-b531-805319377126.jpeg
>
> It corresponds to the middle leg of this black square heat sunk component.
>
> https://shufti.files.wordpress.com/2020/03/2171ce8f-47d2-47f0-be1c-03f92115a95e.jpeg
>
> I will reflow the joint unless I hear back from you guys not to bother=
> :-)
>
> Alistair
