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Gen90 data cable always plugged in?



  Clio 172 + Clio200T
Hi guys.
On my clio I have a Gen90 Ecu, and I also got the data cable to connect laptop to.
I was thinking about a fast way to access my ecu data with my laptop during trackdays..especially between one run and another.
So the idea was.. being the cable quite long.. what If I route it from engine bay to inside car like near the dashboard? doing so.. I can finish my track run, pick laptop from bag, connect it , check data all while still being in the car.
From my understanding..the cable seems a normal serial/usb adapter which become active only when the laptop usb port gives it energy through usb power rail... so the question is: would be a bad idea to leave it always plugged in the ecu ? Can it harm the ecu in some way or is safe to do? it would be really handy..
 

JamesBryan

ClioSport Club Member
  Titanium 182
Seen it done with other ECUs, so I don't see why not. Other than it being in the engine bay, so could be susceptible to moisture ingress?
 
  Clio 172 + Clio200T
Seen it done with other ECUs, so I don't see why not. Other than it being in the engine bay, so could be susceptible to moisture ingress?
The plug in the ecu is always uncovered(it does not have a cap) so I guess moisture is not a problem.. the car sleep in a garage under my house, so always"warmy" and dry.
I live in northern italy, so it does not rain so often.. and I usually bring her to teacksays only if weather is fine because I don't like so much doing it while raining..
 

JamesBryan

ClioSport Club Member
  Titanium 182
The plug in the ecu is always uncovered(it does not have a cap) so I guess moisture is not a problem.. the car sleep in a garage under my house, so always"warmy" and dry.
I live in northern italy, so it does not rain so often.. and I usually bring her to teacksays only if weather is fine because I don't like so much doing it while raining..

Should be ok then.
 

Brigsy

ClioSport Club Member
  T.Turbo
I have a 3mtr usb cable plugged into my ecumaster ecu in the engine bay all the time running through the bulkhead, when its not in use i have it coiled up in the glovebox. It wont be an issue.
 
  Clio 172 + Clio200T
thank you for sharing your experience. That's exactly what I want to do! Ok today I'll begin the routing!
 


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