First off, you need to take off the top and bottom covers on your ECU. This will give you access to the chip-side and the solder-side of the ECU. You'll have to locate the 28-pin chip to de-solder it. In the above picture, it shows where the chip is on the chip-side of the Honda chips for cars. If you're not sure you can always count the number of pins on each chip to be sure. All 90-91 PM6 ECU's will have 28-pins and 88-89's are not chippable you'll kno right off the bat.
First off, you need to take off the top and bottom covers on your ECU. This will give you access to the chip-side and the solder-side of the ECU. You'll have to locate the 28-pin chip to de-solder it. In the above picture, it shows where the chip is on the chip-side of the
BalasHapusHonda chips for cars. If you're not sure you can always count the number of pins on each chip to be sure. All 90-91 PM6 ECU's will have 28-pins and 88-89's are not chippable you'll kno right off the bat.