Testing Nitrous 2

K-Series Programmable ECU installation questions / support issues
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iBoost
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Joined: Mon Aug 10, 2009 8:28 pm

Testing Nitrous 2

Post by iBoost »

I have a Generic Output/Always On E21 control using certain conditions to activate a 2nd fuel pump.

Image

In Kmanager, is there a way I can manually test that I have everything wired correctly? I would like to be able to turn the pump on through kmanager by activating the output if that makes sense.
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Spunkster
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Re: Testing Nitrous 2

Post by Spunkster »

With it running make sure that all the parameters are met and it should activate.
iBoost
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Re: Testing Nitrous 2

Post by iBoost »

Spunkster wrote: Tue Jul 15, 2025 9:00 am With it running make sure that all the parameters are met and it should activate.
Thank you for clarifying. With my specific settings, if I change the engine load minimum to 0, the pump should activate when I start as long as it idles above 1000rpm, correct?
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Spunkster
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Re: Testing Nitrous 2

Post by Spunkster »

As long as all parameters are met it should activate. You should datalog to confirm.
iBoost
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Re: Testing Nitrous 2

Post by iBoost »

Spunkster wrote: Fri Jul 18, 2025 12:30 pm As long as all parameters are met it should activate. You should datalog to confirm.
Thank you Spunkster.

After further investigation, I believe I may have wired my relay incorrectly. Currently, I have:

30 - +12 battery
85 - Ground
86 - ECU (E21 VSV)
87 - Fuel Pump +

As I look at the help file in Kpro, it appears I need to have both 30 and 86 connected to +12v battery, and swap 85 to the ECU pin E21.

Am I understanding that correctly or am I all mixed up?
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Spunkster
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Re: Testing Nitrous 2

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It sounds like you have it wired incorrectly.
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