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Aug 24th, 2023
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Joined: Jun 2016
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OP
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Joined: Jun 2016
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Hey Everyone,
I am trying to get some diagnostics off of the ECU to understand why my check engine light is on. I can't seem to locate the USB connection on the ECU.
Can one of you kind dudes provide some help? A photo would be wonderful!!!
Thanks!
-Tom
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Joined: Aug 2011
Posts: 398 Likes: 1
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Hi Tom
There should be Pix in another thread, However from an oral point of view , here goes
The ECU is underneath the fuses, Right hand side looking from the front. It is a flat rectangular black thing.
On its right hand side you should see two very small allen screws which hold a cover plate over the USB connection.
Very easy to lose the screws so have a cloth underneath when undoing.
Cover plate is maybe 1 inch by 1/2 inch.
Hope this helps
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Joined: Aug 2011
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Joined: Nov 2013
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Talk Morgan Regular
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Talk Morgan Regular
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Joined: Jun 2016
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OP
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Joined: Jun 2016
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Awesome!!! Thanks so much guys! Another reason why I love this forum...
I'll try to connect to the ECU tomorrow. Hope I don't run into any software driver issues like I've read about. I just want to understand what's causing the check engine light to stay on.
Do you guys know if there's a way to clear the code if it's a simple "problem"? Is the software read only or can you actually get in there and make changes?
Thanks again!
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Joined: Feb 2016
Posts: 7,929 Likes: 218
Talk Morgan Guru
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Talk Morgan Guru
Joined: Feb 2016
Posts: 7,929 Likes: 218 |
Awesome!!! Thanks so much guys! Another reason why I love this forum...
I'll try to connect to the ECU tomorrow. Hope I don't run into any software driver issues like I've read about. I just want to understand what's causing the check engine light to stay on.
Do you guys know if there's a way to clear the code if it's a simple "problem"? Is the software read only or can you actually get in there and make changes?
Thanks again! The manual for Pro-tune II software is downloadable here. Page 34 covers clearing historic codes.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Jan 2013
Posts: 400
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It takes a mini-USB, not a micro-USB. Most Android phones use micro, nowadays.
Cameras use mini much more often, just so that you know where to look for a cable.
M3W, now!!!
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Joined: Jun 2016
Posts: 149
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OP
L - Learner Plates On
Joined: Jun 2016
Posts: 149 |
Thanks Richard. The Check Engine Light has been on since Day 1, but the car seems to drive and operate normally....though I have no basis of comparison. Hope this isn't a big problem and I can get the okay from my dealer to clear the code. Awesome!!! Thanks so much guys! Another reason why I love this forum...
I'll try to connect to the ECU tomorrow. Hope I don't run into any software driver issues like I've read about. I just want to understand what's causing the check engine light to stay on.
Do you guys know if there's a way to clear the code if it's a simple "problem"? Is the software read only or can you actually get in there and make changes?
Thanks again! The manual for Pro-tune II software is downloadable here. Page 34 covers clearing historic codes.
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Joined: Jun 2016
Posts: 149
L - Learner Plates On
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OP
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Joined: Jun 2016
Posts: 149 |
Thanks Nik! I've got my mini-USB ready to go...just couldn't find the port until you fine chaps pointed me in the right direction! It takes a mini-USB, not a micro-USB. Most Android phones use micro, nowadays.
Cameras use mini much more often, just so that you know where to look for a cable.
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Joined: Nov 2013
Posts: 1,944
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Nov 2013
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I had an engine check light problem, dealer thought it was oxygen (lambda) sensors. Fixed but returned before I got home. I ran with it for over 2 months & 1000 miles. At second attempt they tried various things swapping parts off a good one. After several consultations with MMC it turned out to be the engine ECU which was changed under warranty.
Tim
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