Hondata(PC)doesn't see my car!!

s300 and SManager software questions & answers
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Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

Hello all!! so for those that was keeping track, i ended up getting another p28 ECU because i thought my issue was the ECU. Figured that out(not so tight water neck on lower thermostat) car starts up so i can continue with my attempt at tuning. I'm seeing that i don't have the lightning bolt, i can't datalog, can't do anything. This happened after i updated to 2.8.1.0.

All that looks good, laptop says on line so i know the ECU is talking to the laptop, what do i do?
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Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Re: Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

So why on the program name bar it says "Hondata smanager 2.8.1.0 but on the picture i uploaded, it says "software version 2.7.8"? What needs updated?
Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Re: Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

I hit check for updates and it says everything is good
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Spunkster
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Re: Hondata(PC)doesn't see my car!!

Post by Spunkster »

You need to upload your calibration to the ECU using the new version of software.
Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Re: Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

So go on the site and redownload?
Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Re: Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

so i went to forums and there was a thread that was pinned regarding the update. I downloaded and made sure it was up to date. key is on the on position and its not seeing it. also, it still shows in the settings that im in 2.7.8 but on the program title bar, it says 2.8.1. what am I doing wrong here? I need help with this. this whole ground problem really set me back couple weeks and now im trying to get the car tuned and ready to drive. I bled the clutch, the brakes. its ready. thanks!
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Spunkster
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Re: Hondata(PC)doesn't see my car!!

Post by Spunkster »

You need to try your ECU on a known working vehicle to see if it sees the ignition being on and allows you to upload. If it does then you know there is still a wiring issue in your vehicle that needs to be resolved.
Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Re: Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

Going to go back to my original ECU and see what's up. What wire (s) would i need to look for? Car starts up with no problem
Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Re: Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

Are we not looking at the software no more?
Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Re: Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

Plugged Hondata in my other ECU(the first one) and I'm able to tune
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Spunkster
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Location: Hondata

Re: Hondata(PC)doesn't see my car!!

Post by Spunkster »

So it sounds like the ECU is the problem not the s300. You can try replacing the capacitors in the ECU, but that may not resolve the issue if it is damaged.

https://www.hondata.com/products/access ... acitor-kit
Ichiro718
Posts: 73
Joined: Sun Oct 23, 2022 9:16 am

Re: Hondata(PC)doesn't see my car!!

Post by Ichiro718 »

It's possible. I'm going to switch the board over to the *new* ECU and see what's up now that i got everything working
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