Quote:
Originally Posted by some_other_dave
89 would be non-OBD. The only way to check the codes is to pull up the front of the passenger's carpet and look at the ECU when the key is on. There is a window in it, with an LED that will blink out the codes. No long/short blinks, just count the number of blinks until it pauses.
Generally the codes are only blinked out if the check-engine light (CEL) is on.
-soD
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The car is actually a Mitsubishi Mirage rebadged as an Eagle Summit, not a Honda. I was able to retrieve the trouble-codes with a voltmeter. Unfortunately the codes aren't concise enough and I still need to diagnose by hand (ugh!)
I used California98Civic's post as a rough guide and found it helpful.