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Tacho Settings Mid-90s Toyota


robrixon
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Based on the testing below and advice from AdamW I don't believe the tacho from my 1JZ-GTE JZX90 requires the resistor mod or external booster, however, I would still value any input on what is going on below.

Key on Sweep is working
Ignition Off = Displays 1,000rpm
Ignition On = Displays 2,125rpm

Relationship between signal and needle position is as follows:

image.png.e612daf9e3fe9767bf7867bb7fa34069.png

Playing with multiplier, offset, duty cycle etc appear to have no effect.

image.png.fdabcd00d60eafa4097aa59debe10159.png

Next step is to try a GP PWN table I'm guessing? The thread below is a similar situation but to be honest I can't replicate these G4+ settings on G4X as I'm out of my depth in custom PWN tables.

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