It's a JDM ECU, so it's not OBDII and will not be able to communicate for emissions testing. The OEM 99-00 Si OEM ECU can be used to work around this with a simple rewiring to bypass a sensor.
It's a JDM ECU, so it's not OBDII and will not be able to communicate for emissions testing. The OEM 99-00 Si OEM ECU can be used to work around this with a simple rewiring to bypass a sensor.