JDM ecu chipping

You will need bridge J1 on the back of the ecu.

jdm ecu2

Add the 74hc373 SMD chip with the circle notch facing the inside of the ecu.
Also desolder & install the 28 pin eprom chip socket & chip.
Make sure to face the half moon notch on the chip towards the ecu plug side of the ecu.

jdm ecu1

NOT REQUIRED: For Datalogging J4 on front.& Solder in a 4 pin header supplied.