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Old 04-09-2012, 05:30 PM   #1 (permalink)
Cd
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Question How can you test an ECU for a 1993 Civic ?

How can you test an ECU ( "computer" ) for a 1993 Civic ?

I have been talking to a guy at a Honda Civic forum almost five months now, and we can't figure out the problem with the car.

My car has an electrical short somewhere, but im beginning to suspect the ECU is at fault.

Is there a bench test to see if my ECU is dead ?

When i try and start the car, i see the CheckEngineLight come on, and when the car decides to run, the CEL performs as normal and goes off after a second or two after starting*.


I had read that this is a good sign that the CEL is still good, but I also read elsewhere where the guy performing the test got a CEL but the ECU was still a dead part.

( *The car is now no longer starting at all )

1993 Honda Civic DX 1.5 L Automatic ECU code # 37820-P06-A51-741-627244

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