Issues connecting with Kpro

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Issues connecting with Kpro

Run Away Thu Aug 22, 2013 1:27 am

Hello,

I've got a TV2 unit that I originally bought a couple years ago with a Neptune RTP system, and it was fantastic and worked flawlessly.
I've just completed a K swap and bought a Hondata interface module to work with my TV2. It arrived yesterday and I'm hooking it up now.
The issue I'm having is I just get a "Connecting...." screen with everything plugged in and the car running.
I've gone through the help and everything seems to be in order.

Here's what I've got.
TV2 configured for Kpro:


Plugged in to the middle port of the TV2:


Swapped the last two wires on the 4-pin cable:


Hondata module. One thing I don't see is the LEDs I see mentioned.


I'm hoping it's something simple and stupid on my part but I'm just not seeing it.

Ben

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Run Away Thu Aug 22, 2013 2:26 am

Okay after some playing around I've discovered that the TV2 unit does in fact work, but only without the car running.

If I simply key the ignition on, it will connect and display data (ECT works, TPS changes with gas pedal) but when I run the engine is stays stuck on "Connecting..."

Any ideas?

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HRTuning Thu Aug 22, 2013 3:33 am

You ignored the information suggesting that you hook it up to a switched ignition source or your on board logging is active.

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Run Away Thu Aug 22, 2013 3:41 am

Thanks for the prompt reply!

Power to the Hondata module was taken from the cigarette lighter, which is switched. Same place the Demon interface module I had before, which worked perfectly.

On-board logging is not enabled, I just double checked.

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HRTuning Thu Aug 22, 2013 3:43 am

Demon module does not operate the same way. If it runs at key on, but not once you crank you're not at switched ignition. it's that simple. You're resetting the module during cranking, but ground is still there.

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Run Away Thu Aug 22, 2013 3:52 am

Alright thanks, I misunderstood "switched" to just mean "hot on run", not "hot on run and start".
So the ECU and Hondata module must always receive power together, the Hondata module will not (re)establish a connection if it loses power while the ECU still has power?

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HRTuning Thu Aug 22, 2013 4:00 am

The module cannot lose power during cranking because the ECU feedback is preventing it from a full restart.

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