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Pectel T2 cooling fan output, anyone used this with success??

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Old 17-02-2009, 09:04 PM
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Martin-Hadland
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Default Pectel T2 cooling fan output, anyone used this with success??

Im struggling with getting the T2 ECU to control the cooling fan on my yellow MG, the output should give an earth when the fan is required to run but it's giving an earth all the time... Anyone had this problem??
Old 17-02-2009, 09:05 PM
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Stu @ M Developments
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I recall it can be inverted in the output setup section martin.
Old 17-02-2009, 09:08 PM
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Martin-Hadland
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Originally Posted by Stu @ M Developments
I recall it can be inverted in the output setup section martin.
I can't find it there Stu.
Old 17-02-2009, 09:48 PM
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markk
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does the earth disappear when the desired temp is reached if so, just use a differant relay with a differant contact setup?
Old 17-02-2009, 09:53 PM
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Martin-Hadland
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Originally Posted by markk
does the earth disappear when the desired temp is reached if so, just use a differant relay with a differant contact setup?
Will check that Mark but T6 works by supplying an earth to turn on the fans so I would have thought T2 would be the same.

Last edited by Martin-Hadland; 17-02-2009 at 10:41 PM.
Old 17-02-2009, 10:07 PM
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Originally Posted by martin-reyland
Will check that Mark but T6 works by suppling an earth to turn on the fans so I would have thought T2 would be the same.
Martin, do you get any error messages in deskpro. I had some issues with my WI on the T6 and it was saying something like (W) SCU NO PWM7-10 when it was not working correctly. The message is in the bottom right where you see the Start>Crank>Sync info.

I know the WI has more parameters telling it when to go on and off but the net result of the pin going to ground is the same? Mine was the same problem but not going to earth on trigger.

Stu
Old 17-02-2009, 11:04 PM
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Martin, how do you know its giving out an earth all the time ?


Depending on how you are measuring it.......

I say this as its an "open collector" output and will measure nothing when on or off with respect to ground without a proper load.

You need to provide a power source for it via a relay coil that has its other connection tied to +12 volts.

Make sense ?

Last edited by ECU Monitor Enthusiast; 17-02-2009 at 11:09 PM.
Old 18-02-2009, 06:41 AM
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Martin-Hadland
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Originally Posted by Flux Capacitor.
Martin, how do you know its giving out an earth all the time ?


Depending on how you are measuring it.......

I say this as its an "open collector" output and will measure nothing when on or off with respect to ground without a proper load.

You need to provide a power source for it via a relay coil that has its other connection tied to +12 volts.

Make sense ?
I think its giving an earth all the time because it trips the relay causing the fan to run as soon as the ecu gets powered up.
Old 18-02-2009, 08:02 AM
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tabetha
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Can't you use the air con control in the ecu to drive the fans, or does it not have the extra cooling fan circuit ?
tabetha
Old 18-02-2009, 12:53 PM
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Originally Posted by tabetha
Can't you use the air con control in the ecu to drive the fans, or does it not have the extra cooling fan circuit ?
tabetha

Why would you do that when the T2 has fan control?
Old 18-02-2009, 01:10 PM
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Originally Posted by polly_x
Why would you do that when the T2 has fan control?
Have been told that it's possible that the channel I'm using has been configured at the factory for tacho output and isn't user configurable even though it allows me to do so in descpro Am going to see if the rev counter works off it later today.
Old 18-02-2009, 01:12 PM
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LOL, undocumented features can be good and bad . !!
Old 18-02-2009, 02:00 PM
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Originally Posted by martin-reyland
Have been told that it's possible that the channel I'm using has been configured at the factory for tacho output and isn't user configurable even though it allows me to do so in descpro Am going to see if the rev counter works off it later today.


I think there are a few hard coded bits depending what the ECU was made for originally. My T6 has a hardcoded 10K rev limit which of course doesnt cause me issues but could have been a pain trying to diagnose and fix if you did need to go above that!

I assume that all this hard work means your going to make it to Bedford in the MG then Martin?

Last edited by polly_x; 18-02-2009 at 02:01 PM.
Old 18-02-2009, 02:07 PM
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Originally Posted by polly_x


I assume that all this hard work means your going to make it to Bedford in the MG then Martin?
Probably not, I have not even started mapping it yet!
Old 18-02-2009, 02:11 PM
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Originally Posted by martin-reyland
Probably not, I have not even started mapping it yet!
Ahh. Come on! You have a rolling road and the morning at Bedford to do that!

Lee's Westy and my RS are far from ready for Friday but we will make it!

Take the Escort which is what everyone really wants to see and just be gentle on certain areas of the track?
Old 18-02-2009, 02:26 PM
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Originally Posted by polly_x
Ahh. Come on! You have a rolling road and the morning at Bedford to do that!

Lee's Westy and my RS are far from ready for Friday but we will make it!

Take the Escort which is what everyone really wants to see and just be gentle on certain areas of the track?
No one wants the Escort there more than me!! But I'm not going to waste time taking it as I know it will fail noise!
Old 18-02-2009, 03:06 PM
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Originally Posted by martin-reyland
No one wants the Escort there more than me!! But I'm not going to waste time taking it as I know it will fail noise!
Cant you fit some sort of temporary airbox to help?
Old 18-02-2009, 03:26 PM
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He is scared mate. Just like Sean and Dan said he would be....

I said he wouldn't be!!!

Guess they were right after all!!!!

Don't me scared Martoon. Its only a little Yellow Bathtub mate
Old 18-02-2009, 03:53 PM
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Originally Posted by Porkie
He is scared mate. Just like Sean and Dan said he would be....

I said he wouldn't be!!!

Guess they were right after all!!!!

Don't me scared Martoon. Its only a little Yellow Bathtub mate

Thats just what I was thinking mate.

I put that carbon panel and Reyland sticker on the back of it especially for him to look at as well.
Old 18-02-2009, 03:56 PM
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Old 18-02-2009, 04:24 PM
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Martin-Hadland
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Originally Posted by Porkie
The bait on the end of the hook isn't tasty enough!!
Old 18-02-2009, 04:26 PM
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DOH!!!

I bet you had a little sniff at it though!!!
Old 18-02-2009, 04:31 PM
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Originally Posted by Porkie
DOH!!!

I bet you had a little sniff at it though!!!
I had a little chomp on it but spotted the hook!!

Last edited by Martin-Hadland; 18-02-2009 at 04:45 PM.
Old 18-02-2009, 04:32 PM
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Old 18-02-2009, 11:59 PM
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Originally Posted by martin-reyland
Have been told that it's possible that the channel I'm using has been configured at the factory for tacho output and isn't user configurable even though it allows me to do so in descpro Am going to see if the rev counter works off it later today.
dont you spec your own ecus martin?

the outputs on the T2 has to be specified when ordering them.have a order sheet if you like to see what options you have

cheers
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