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

OBD1 Mystery Code

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Old Apr 28, 2013 | 03:29 PM
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Default OBD1 Mystery Code

So I did some good ol' cleaning and sanding and replaced a bunch of 10 mm bolts to freshen up the bay a bit. I unhooked the negative battery cable to replace the ground bolt. After I had everything done and made sure the engine was running I got in and checked for codes. Normally I get a Code 17, which is the VSS, and I ignore the hell outta that. But today I was in for a surprise. After I turned the key to ON when the CEL normally goes out and starts flashing it got a little brighter and stayed on, and the SRS light started flashing and wouldn't stop. What does that mean? I drove it around for a good 10 minutes hoping that maybe the ECU would refresh the codes (I had unhooked the ground, don't forget), and I did it a second time and got the same results.

PS to grumblemarc and Bswapped92: after doing all of this my stereo is no longer having problems, but... we will see.
Old Apr 28, 2013 | 03:41 PM
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Default Re: OBD1 Mystery Code

WHAT'S GOIN ON?
Old Apr 28, 2013 | 03:54 PM
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Default Re: OBD1 Mystery Code

'ey yo whatz da hold up?
Old Apr 28, 2013 | 05:08 PM
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Default Re: OBD1 Mystery Code

Chill out.

When the CEL is not on without jumping the service connector, the CEL will remain on steady when you jump the service connector, indicating that no codes are thrown.

Like the CEL, the SRS blinks airbag codes when the service connector is jumped.

All this information is covered at the Codes link in my signature.
Old Apr 28, 2013 | 05:26 PM
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Default Re: OBD1 Mystery Code

Thanks son. But why does the SRS light keep flashing nonstop? It never did before!
Old Apr 28, 2013 | 05:28 PM
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Default Re: OBD1 Mystery Code

Originally Posted by crazyhouse2011
Thanks son. But why does the SRS light keep flashing nonstop? It never did before!
Please READ the thread before you ask more questions.
Old Apr 28, 2013 | 05:31 PM
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Default Re: OBD1 Mystery Code

I'm looking this over but I'm not sure how to use the chart. The ECU codes are quite simple to comprehend, long dash = 10 and short dash = 1. So how does this work exactly? Because my pattern doesn't match any of the descriptions. It is just on off on off on off about 2 cycles per second, without any variation in speed or timing. Just your basic on off on off.
Old Apr 28, 2013 | 05:32 PM
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Default Re: OBD1 Mystery Code

I'll try this one more time...

Originally Posted by RonJ@HT
Please READ the thread before you ask more questions.
Old Apr 28, 2013 | 05:59 PM
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Default Re: OBD1 Mystery Code

Okay. I read it through the ENTIRE SRS portion of the thread, post 4. I still don't get what is going on. It also said 96-98 models, and it MAY work for 94-95. Mine is a 95, perhaps it's not the right way?
Old Apr 28, 2013 | 06:02 PM
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Default Re: OBD1 Mystery Code

Your 95 Civic is the same as 96-98 Civics for SRS codes. What don't you get? Be specific.
Old Apr 28, 2013 | 06:04 PM
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Default Re: OBD1 Mystery Code

I already said it before. It's a very regular on off flashing. No irregular flashing, just a half second on half second off half second on half second off, non stop. No SRS light when the service connector isn't jumped, no CEL. It is very regular, and it never stops.
Old Apr 28, 2013 | 06:07 PM
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Default Re: OBD1 Mystery Code

Originally Posted by crazyhouse2011
I already said it before. It's a very regular on off flashing. No irregular flashing, just a half second on half second off half second on half second off, non stop. No SRS light when the service connector isn't jumped, no CEL. It is very regular, and it never stops.
I've also already said it before...It's explained in the SRS post, if you choose to do a careful reading.

Just reset the SRS control unit to clear the code.
Old Apr 28, 2013 | 06:08 PM
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Default Re: OBD1 Mystery Code

I give up. There's too much information presented at one time in these pictures. I'd understand it better if it was organized in a table rather than a line where time is plotted on the x axis. Whatever...
Old Apr 28, 2013 | 06:19 PM
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Default Re: OBD1 Mystery Code

Originally Posted by crazyhouse2011
I give up. There's too much information presented at one time in these pictures. I'd understand it better if it was organized in a table rather than a line where time is plotted on the x axis. Whatever...
If you don't understand how to read the SRS code, then post a video.

But given that the SRS light is off without the service connector jumped, then an old code that is no longer an issue is stored in the SRS control unit. Just reset the unit to clear the code(s), and you should be good to go. All covered in the diagrams - simple.
Old Apr 28, 2013 | 06:22 PM
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Default Re: OBD1 Mystery Code

Thanks for your help. Close this thread. I don't need it anymore.
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