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Electrical issues 01 Civic
09-14-2014, 10:16 PM (This post was last modified: 09-15-2014 06:57 AM by Garner.)
Post: #1
Electrical issues 01 Civic
2001, Civic, Automatic, Don't remember what engine?

Several things are going on that may or may not be related. I'll list the issues and what I have checked so far.

Headlights left on chime no longer sounds.
Key in ignition w/door open chime no longer sounds; however, the key in ignition symbol on the dash Does light.
Break light comes on randomly.
Windshield wipers don't run when you spray the washers.
The door lock button no longer works.

I checked all of the fuses both under the dash & under the hood.
I cleaned the battery terminals, hot connections to the under hood fuse box, ground strap from the engine to the radiator support, ground from the battery to the engine.
I rearranged all of the relays under the hood. I couldn't get the relays out of the under dash box to try rearranging them.
I scanned all systems and didn't find any codes. I couldn't find a BCM to scan? I couldn't find any components to test with the scanner that were related to the problem.
I checked for grounds breaking out of the wiring harness under the dash but couldn't find any.
Master Cylinder is full of fluid, parking brake is released, there are no fluid leaks & the breaks seem to be working properly.

I know that there are a lot of other things to check and to test but I was hoping that someone else had a similar issue and could point me in the right direction to save me some time and hair pulling. Especially the hair pulling as mine is already thin enough.
Thanks in advance.

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Garner

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09-15-2014, 09:46 AM
Post: #2
RE: Electrical issues 01 Civic
Not up on Hondas in particular but it sounds like old age and several unrelated issues to me, especially when it comes to electrical stuff in the salt belt. You might try unplugging the sensors for the brake light one at a time. Recalling there's switch / sensor for proportioning valve, hand brake, and fluid level. Last time I went looking for the door chime it was located just left of the steering column. Sorry I can't be more specific.
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09-16-2014, 06:58 AM
Post: #3
RE: Electrical issues 01 Civic
I suppose that it’s possible that they are unrelated but I find it highly unlikely that everything is working and then you wake up one morning and all of those things have failed; separately, at once. One “Honda” forum listed almost identical issues and said that they were caused by the installation of a “Non-Factory” radio. Well; here again, this car has the Non-factory radio. Problem is, it’s been there for a long time. Why would the issues wait to appear?

It seems to me like I would be looking for a common ground? Something like may-be that brake light has shorted through to the ground of the other items causing the brake light to be on & the other items to fail?

I guess that I will just have to pick one issue & see where it leads me.

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Garner

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09-16-2014, 10:31 AM
Post: #4
RE: Electrical issues 01 Civic
That's where I would go, which is why I mentioned the sensors for the brake lights... nice and easy as a first pick. If the light is still on then you know it's a ground or a harness problem.

BTW, a few years ago I stripped out a Civic that was going to be highly modified and I don't recall a series of ground wires breaking out of the main harness. Maybe there was one on the inside and one on the outside under the hood.

Also, back in the day of working for Nissan one of my observations with older cars and electrical issues was to lift up the carpet to look for old body damage or water damage. You'd be amazed at how often that will point to a repair that finally let go. Water leaking around the windshield seals can do similar and it will run down into places you'd never figure.
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09-23-2014, 09:54 PM
Post: #5
RE: Electrical issues 01 Civic
I haven’t gotten the chance to do any more work on this one but my daughter was paying attention to it. She was headed out with it when she noticed that the brake light was NOT on. So she reached over & tried the door lock button, and it worked. So she tried the washers & the wipers came on. She shut it off & opened the door & the “Key In” chime worked. Tried the headlights and that chime also worked. So she went on her way and in a couple of miles the brake light came back on. She checked again and the other items didn’t work again. So I guess that tells me that if I find one thing it should fix them all. I’m leaning towards pulling the center consol to see if a coin, paper clip, etc., has dropped down in and is shorting the parking brake switch? It seems like the easiest; and most likely, place to start.

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Garner

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09-23-2014, 11:20 PM
Post: #6
RE: Electrical issues 01 Civic
Certainly worth a look to see if maybe a hot exhaust has done anything to a harness on the floor but if a coin will make the brake light go on then that would be the same as pulling up the barking brake, right? IOW, not really a short but a bogus connection to ground.

Now that I think about it, so many of these things have their own sensor or switch but likely feed the hot side from a common source. A wiring diagram might give you a clue on what's common here then you could go look at the back of the fuse block or possibly a large harness plug going through the firewall. (which I don't think Honda uses)
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09-24-2014, 06:13 AM
Post: #7
RE: Electrical issues 01 Civic
Ahhh... correct on the parking brake. So I think that I will pull the glove box instead. It seems that the wiring harness comes through on the passenger side behind the glove box and across to the driver’s side. I checked all of the wires on the driver’s side because there was an access panel there. I ran out of time for pulling the glove box. That “Non-factory” radio is right in the middle. May-be it actually is the problem?

You’re right, a wire diagram would probably help a lot. The problem is that I don’t have access to that stuff anymore and it is pretty hard to find it on line without a paid subscription.

Thanks for using the forum,
Garner

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