Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

ECU not plugged in, car still runs

 
Old 05-06-2019, 12:49 PM
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Default ECU has two sets of wires but nowhere to go

Hello, I just bought a 93 Del Sol 1.6L so I am new and just joined.

I plan on restoring this car while parts are still available haha, but today I noticed the carpet on the passenger side was loose. I pulled it back and found the ECU, not bolted to its mount.

That didn't surprise me, but then I saw two different wire connectors not hooked up to anything... there is a green little box they fit in but no wires leading from it.

Any idea what these may be for? I can't find anything online about them. Thanks!

Last edited by YeehawDawg; 05-06-2019 at 01:31 PM. Reason: Adding picture
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Old 05-06-2019, 05:22 PM
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Default Re: ECU not plugged in, car still runs

Those plugs DO NOT connect to the ECU.
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Old 05-06-2019, 08:53 PM
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Default Re: ECU not plugged in, car still runs

The 2-pin plug is your MIL/Service Connector... jumping/shorting it will allow one to set the distributor timing AND make the CEL on the dash flash with any stored trouble codes. The 3-pin plug is the OBD-1 data port and connects to a specialized converter to allow real time data to be examined while the engine is running. They fit inside the green rubber holder when not in use... so NO, they are not normally plugged into anything.
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Old 05-06-2019, 08:56 PM
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Default Re: ECU not plugged in, car still runs

Oh sweet thank you that's way informative, I'll just put them in that green holder and let em be!
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