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gtr plugin erratic speed signal

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hello

I use a plugin G4+ on my 32GTR. All is fine except speed signal wich vary constantly from correct value to half the value.

Please see log attached. Anybody with the same issue who found a solution ?

IMG_20190507_135541.jpg

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In the R32 the ecu speed signal comes from a magnetic reed switch that is in the back of the speedo, driven by the cable.  It is pretty common for the reed switch to get sticky or fail with age (many older toyota's also).  I guess it could also be the cable so it wouldnt hurt to disconnect that and check it rotates freely and smoothly.

You can try switching the active edge on the digital input to the opposite of what you have now as sometimes the switch will close more reliably than open but I suspect you are going to need to change hardware in this case.

 

Speedometer_Senser.gif

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