GR Yaris How to make a gear indicator?

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Navihaus

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MK2 has an indicator of the engaged gear, but MK1 does not. How can such an indicator be made?
 
Well, this info is already known to the ECU so you just need to have some way of extracting it and displaying it.

You probably have three options

  1. Buy a load of OBD decoding bits, cables, and some sort of display from Aliexpress etc., and spend some time digging into it with your laptop
  2. Buy an OBD transmitter like the Ecutek one and create a dashboard with the display information you want
  3. Buy and fit a Canchecked or similar
 
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