Anti-lag stopped working on MS3-PRO

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dochka
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Anti-lag stopped working on MS3-PRO

Post by dochka »

Hi,
Anti-lag doesn't arm anymore or trigger, it suddenly stopped working;
Tried 2 other input wires , nothing changed;
Was running firmware 1.4.0 , upgraded to the latest 1.4.1 , nothing changed;
Checked the 2 fuses inside the ecu, both are good

Anyone had that issue ?
jsmcortina
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Re: Anti-lag stopped working on MS3-PRO

Post by jsmcortina »

Oh come on...
:msq:
I can repair or upgrade Megasquirts in UK. http://www.jamesmurrayengineering.co.uk

My Success story: http://www.msextra.com/forums/viewtopic ... 04&t=34277
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dochka
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Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

jsmcortina wrote:Oh come on...
:msq:
Here are the datalogs, please take a look
dochka
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Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

jsmcortina wrote:Oh come on...
:msq:
Anyone's got a solution or explanation to why this problem happened ?
The car is used in pro drifting and it's not competitive without the ALS

Please I need help
Matt Cramer
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Re: Anti-lag stopped working on MS3-PRO

Post by Matt Cramer »

Digital Switched 2 remained high (not grounded) through the entire log. The ECU didn't receive a triggering signal.
Matt Cramer -1966 Dodge Dart slant six running on MS3X
dochka
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Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

Matt Cramer wrote:Digital Switched 2 remained high (not grounded) through the entire log. The ECU didn't receive a triggering signal.
You mean the ground source is poor, there's no ground ?
Although I tried several other spots...
Is the problem in the ecu ?
Matt Cramer
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Re: Anti-lag stopped working on MS3-PRO

Post by Matt Cramer »

I have not seen an internal ECU fault do this. Check the voltage at Digital Switched In 2 with the key on and engine off while turning the antilag switch off and on.
Matt Cramer -1966 Dodge Dart slant six running on MS3X
dochka
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Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

Matt Cramer wrote:I have not seen an internal ECU fault do this. Check the voltage at Digital Switched In 2 with the key on and engine off while turning the antilag switch off and on.
Yesterday I grounded the "DS2" directly to the battery ground, nothing changed
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Re: Anti-lag stopped working on MS3-PRO

Post by jsmcortina »

Matt asked you to check the voltage levels. Please do that.

James
I can repair or upgrade Megasquirts in UK. http://www.jamesmurrayengineering.co.uk

My Success story: http://www.msextra.com/forums/viewtopic ... 04&t=34277
MSEXTRA documentation at: http://www.msextra.com/doc/index.html
New users, please read the "Forum Help Page".
dochka
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Posts: 379
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Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

jsmcortina wrote:Matt asked you to check the voltage levels. Please do that.

James
Will do asap and report back
dochka
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Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

jsmcortina wrote:Matt asked you to check the voltage levels. Please do that.

James
Switch off : 0.6V
Switch On : 12V
Matt Cramer
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Re: Anti-lag stopped working on MS3-PRO

Post by Matt Cramer »

It appears your switch has its on-off label on backwards.
Matt Cramer -1966 Dodge Dart slant six running on MS3X
dochka
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Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

Matt Cramer wrote:It appears your switch has its on-off label on backwards.
Sorry, my mistake, the values are exactly the opposite,
Switch Off : 12V
Switch On : 0.6V

So where is the problem ?
dochka
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Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

jsmcortina wrote:Matt asked you to check the voltage levels. Please do that.

James
No ideas what is going on here ?
Matt Cramer
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Re: Anti-lag stopped working on MS3-PRO

Post by Matt Cramer »

Check for any loose wires on the antilag input switch. The voltage looks right but it isn't making it into the MS3-Pro.
Matt Cramer -1966 Dodge Dart slant six running on MS3X
dochka
Master MS/Extra'er
Posts: 379
Joined: Thu Oct 07, 2010 10:03 am

Re: Anti-lag stopped working on MS3-PRO

Post by dochka »

Matt Cramer wrote:Check for any loose wires on the antilag input switch. The voltage looks right but it isn't making it into the MS3-Pro.
Tried a Frequency wire and It worked !
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