Download release firmware

Snapshot firmware bundle

https://github.com/rusefi/hellen-NB1-issues

Interactive Pinout

Miata 1999

ibom rev a

neomiata 2000 Wiring Diagram

Schematic Rev A

x

Options Port

Pin Type Comments
4A Ground
4B Digital Input Flex Sensor
4C Temperature or PPS2 Temp or ETB Pedal
4D Boost Controller Output
4E VVT Output
4F +5v
4G WBO Vs/Ip LSU 4.9 Pin 2
4H WBO Vs LSU 4.9 Pin 6
4I WBO R Trim LSU 4.9 Pin 5
4J WBO Ip LSU 4.9 Pin 1
4K WBO Heater - LSU 4.9 Pin 3
4L +12v LSU 4.9 Pin 4

Options Port Schematic

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Additional Hardware

Options Port Connector

LSU 4.9 Wideband Connector

LSU 4.9 Wideband Sensor Or Similar

Changelog

rev B Nov 30, 2021

rev A

  • good to drive, great success!