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19/21/Clio onboard computer modding

kujtek

New Member
Hello, anyone interested in modding onboard computer in analog dash?
I mean changing
kilometers to miles
L/100km to mpg
etc.
 
Sure
take a look

i.imgur.com_sgea01U.webp

Red (trip odometer) - kilometers <-> miles
Yellow (fuel consumption) - liters / 100km <-> miles per gallon
(yellow could be also switch from Celsiuses to Farentheits)
Green (fuel flow meter signal) - 80 (mm^3) ECU <-> 160 (mm^3) fuel flow meter in carburettor engines
Blue - i have no idea

Anyone willing to share photo of GB version of onboard computer??
 
Hmmm very interesting!

I'd like temperature in C but keep mpg rather than litres/km.

Do you think that's possible?

I don't dare do anything with my computer because the screen is perfect and I don;t want to disturb it. But if I had a spare I would give it a go.
 
You are not doing ANYTHING to lcd screen and its uC driver!
You are disconnecting LCD from computer board, then doing stuff with soldering jumpers on computer board.

I didn't managed to test all versions, i need to buy switches in electronic store and solder them instead of micro jumpers.
You need to try it yourself.

I'm sure it works anyway, because it showed me 122oF instead of 50oC, and 18.7 gallons instead of 70L

Oh, and one thing, you can swap only lcd!
I made one perfect set from two.
One had broken LCD, second had broken LCD wiring harness between LCD glass and uC driver.
Just peeled wiring harness from broken glass, and connected to good glass, then i put copper keeper.
 
Yeah I realise that, but a perfect LCD is very rare so I wouldn't want to touch it or disturb the module in any way, just in case!
 
As long as you don't touch it with hammer or razor it will not be disturbed :D

How does it display data in GB version?
Does it have "mpg" segment instead of l/100km?

Anyone will share computer board as i showed EU one?
 
UK ones show miles, fuel in gallons, mpg, Fahrenheit

From what you've shown, it looks like if I wanted temperature in C then I'd also have to have l/km
 
Currently i got worst 19 engine, c3j, no outside temp. sensor and not working vss in speedo cable, and i can't test all things.
Explosive mix, isn't it?
 
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