Post by
Project240 »
https://forums.nicoclub.com/project240-u5974.html
Thu Oct 16, 2008 4:34 pm
Pull your passenger side kick panel inside the car, and look at your ECU. On one end you should see an LED light, and a small screw. Turn the ignition on, but don't start the car. Turn the screw all the way to the right, and then part of the way back to the left, until the LED starts blinking. It will blink codes at you: first a series of long blinks, then a series of quick blinks. This tells you what trouble code your ECU has logged. I.e. five long blinks, five short = 55, which is the "all clear" code (nothing wrong).
Do a search for the list of trouble codes, it's only in about 1,000,000 places on this forum or elsewhere. As is the procedure I just explained.