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The mkiv Supra Owners Club

Thor tsd+dsc problem


pjavon

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Just fitted mine tonight, everything seems o.k except for one small problem. When i turn the ignition on the speedo jumps up to 20mph:innocent: The car is measuring in mph, i checked it with a sat nav and at 90mph on the speedo i was doing 70mph on the sat nav and the same at 70mph on the speedo it was 50 on the sat nav, so seems it just starting from the wrong point

Has anyone got an idea as to what maybe wrong. I had to pop the needle off the speedo because the car had the 120Kph dial fitted to it so i needed to refit the 180 Kph. I'm pretty sure this is back in the correct position but is there some trick to putting the needle back on to set it at 0mph.

Help please:)

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Just fitted mine tonight, everything seems o.k except for one small problem. When i turn the ignition on the speedo jumps up to 20mph:innocent: The car is measuring in mph, i checked it with a sat nav and at 90mph on the speedo i was doing 70mph on the sat nav and the same at 70mph on the speedo it was 50 on the sat nav, so seems it just starting from the wrong point

Has anyone got an idea as to what maybe wrong. I had to pop the needle off the speedo because the car had the 120Kph dial fitted to it so i needed to refit the 180 Kph. I'm pretty sure this is back in the correct position but is there some trick to putting the needle back on to set it at 0mph.

Help please:)

 

you have to move the needle to a bit before the needle stoper, about 4/5mm and then adjust it with your satnav

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When i put the needle back on i fitted it about 10mm behind the needle stopper so it falls back to it ok. It's just when i turn the ignition on it jumps to 20mph, if i turn it off it goes back to 0mph.

If that makes any sense:innocent:

 

try turning the ignition on without the needle and then refit the needle at the same position you had before, but live the ignition on.

i had the same thing..

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