Engine Management and Tuning Crome, NepTune, Hondata, AEM, MOTEC

s300 disconnecting problem

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Old Sep 12, 2009 | 09:03 PM
  #1  
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Default s300 disconnecting problem

Anyone have trouble with the s300 disconnecting while tunning or with laptop connected viewing sensors.How do you solve this problem.
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Old Sep 13, 2009 | 08:07 AM
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Default Re: s300 disconnecting problem

Do you have any aftermarket ignition components ?
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Old Sep 13, 2009 | 10:38 AM
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Default Re: s300 disconnecting problem

Originally Posted by mtber
Do you have any aftermarket ignition components ?
Yep MSD coil and digital 7.
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Old Sep 13, 2009 | 11:39 AM
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Default Re: s300 disconnecting problem

The aftermarket ignition systems can cause interference with the s300. That's likely your problem.
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Old Sep 13, 2009 | 12:03 PM
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Default Re: s300 disconnecting problem

Originally Posted by HRTuning
The aftermarket ignition systems can cause interference with the s300. That's likely your problem.
I have same
problem how can it be solved.
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Old Sep 13, 2009 | 02:11 PM
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Default Re: s300 disconnecting problem

Get a USB cable with a large noise suppressor in it.

OR

Move your ignition components as far away from the ECU as possible.
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Old Sep 13, 2009 | 10:04 PM
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Default Re: s300 disconnecting problem

Originally Posted by sander
Move your ignition components as far away from the ECU as possible.
+2
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Old Sep 14, 2009 | 08:37 AM
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Default Re: s300 disconnecting problem

i had this happen to a few S300 ecus i tuned. all cars had stock ignition systems.
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Old Sep 14, 2009 | 04:33 PM
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Default Re: s300 disconnecting problem

Make sure j12 is removed in the ecu
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Old Sep 14, 2009 | 04:38 PM
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Default Re: s300 disconnecting problem

i had many s300 and kpro's drop using my dell laptop. i've tuned many cars from stock k's to tucked setups with msd boxes 10 inches away from the s300 and kept dropping. well, my dell finally crashed and i bought a toshiba. call it what you want, but i've never dropped again - even with that car with the msd box 10 inches away from the s300, all those kpro's from the past, never happened since.
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