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Connection issues


NVS1

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I have installed the G4+ software and cannot get my laptop to connect to the ECU. When I go to the device manager, I don't see any problems with the USB connection.  I opened each of the USB ports in device manager it says it's working properly.  I tried the auto select and selected each port manually under the G4 software settings tab and I tried switching the USB plug to all of the ports and always get a error message "selected com port error" when doing it manually or never get past the "searching" message when using the auto connect selection.   

I'm using windows 10 home edition. I also tried to run the program using Windows 8 & 7 in compatibility modes and get the same error.  I also installed ver. 5.6 and still can't connect to the ECU.  

Any advice? I can only assume its a windows setting related problem to the drivers.

thanks in advance

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Can you go to device manager, right click on the ECU com port, select properties, then go to the detail tab, select the property "hardware ID" and give us a photo of that screen.  It should look something like below.

AXnqVqn.png

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Hi Adam,  I tried to update the driver, but there is no driver folder in Windows. Could this be the problem? 

331861459_screenshot2.jpg.cfb002ac7e34b172a88e2796fd9b22fe.jpg

 

Under the PClink G4+ folder there are 3 files that I can see Command, Options2 & PopoutMenuConfig

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It sounds like you havent installed PC Link in the default location?   Can you try re-installing PC Link and dont change any of the default install options.  

Otherwise I would suggest calling our tech support and one of them can jump of team viewer and do it for you.

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Hi Adam, Uninstalled the application, re-downloaded the installation from the website and reinstalled the application.  It looked promising the C:\Link G4\Link USB Drivers folder is now there but still cannot connect to the ecu.  I tried to update the driver using the instructions I got from the video link you sent.  I now get this error.

 

I also tried to look for the phone support # but cannot find it anywhere. Can you provide it?

screen shot 3.jpg

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Hi Adam, the Windows 10 user is an Admin user, but when I called tech support the guy that answered said to load the system on another machine.  He said it should work b/c it works on his Windows 10 machine.  He agreed that it seemed like a driver issue, but could really help other than to say to get another machine.  Not really helpful..... So I finally got a hold of a Windows 7 laptop, which is no longer supported by Microsoft as of January of this year. I was able to connect with the ecu but the connection seems to drop every time the ignition key is cycled and during a few cranks on the engine.  I don't see the RPM move with the engine cranking but I'm not sure if it's because of a dropped connection or another reason.  Any ideas on this issue? 

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Hi Adam,  Did a little more testing. Found that the ECU gets 12v with the key on the on position but once I start cranking the engine it drops to 1v.  Does this make a difference?  How much voltage does the ECU need in order to fire the ignition coil or is it depended on the rpm signal?  I will try to look at the grounds and re-do them.  Any other advice for me to look into?  

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6 hours ago, NVS1 said:

ECU gets 12v with the key on the on position but once I start cranking the engine it drops to 1v.  Does this make a difference?  How much voltage does the ECU need in order to fire the ignition coil or is it depended on the rpm signal?

You obviously have a wiring issue.  The ECU will need at least 7V to stay alive, but if I saw any less than about 9.5V during cranking then I would be concerned at that level too.  So you need to follow where the ECU gets its power from and work out why it is disappearing.  

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