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Discussion Starter #1
Hi there,

I'm new here and have just recently purchased my first car - a 1994 Honda Civic EG hatch! Although I'm extremely delighted with the purchase there are a few problems I was wondering if someone could help me with?

First of all, I could be being really stupid on this one, however, when I unlock either the driver or passenger door, it doesn't unlock the opposite side. I.e if I'm unlocking the driver's side door my passenger door won't unlock unless I get in the car and unlock it from the inside and vice versa... Both locks seem completely fine if I'm using that side to unlock the car though. Is this common with these cars? Is only one door meant to unlock, or do I have a problem?

My other issue is that my windows fog up very easily. Could this be a sign of water getting in somewhere? I've checked all the carpets after it's just rained and all seem dry, so I'm unsure if this is the case, however, it does seem the most likely wouldn't you agree? Fingers crossed it could be something a lot simpler, but that's what I'm here for. Help and advice! Are there common areas I should look out for when it comes to water getting in the car, or is this a known issue and there's an easier fix to not having the windows fog up so easily?

Like I said any help would be greatly appreciated!

Cheers in advance,

Brett
 

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An outside possibility is that the heater matrix could have a pin hole leak.

I would suggest with the heater temperature set to a high setting, with the heater fan also set to a fast speed, directed to the front screen, if the screen mists up that to me would point to the matrix.
 

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Discussion Starter #3
Ok, thanks for the suggestion! I'll give what you said a try and see what happens.
 

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Does this model have central locking?

if it doesn't that's why you have to do one at a time, if it does then you have a fault somewhere.
 

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Discussion Starter #5
I don't have a key fob if that's what you're asking? I take it that it's just meant to be that way, which is very inconvenient lol.
 

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don't have to have a fob to have central locking.
if you have CL then using the key in the drivers door should open the lot.
 

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Discussion Starter #7
Without sounding even more stupid than I already am haha, how would I know if I have central looking or not?
 

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I had a 1990 1.6 16i basically a crx in a civic shell
many years ago
I can remember it was bad at misting the windows had to run the fan most the time think it was just a issue with the car rather than and leaks or anything
as for central locking cant remember that far back if it had it or not
loved that car
 

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Without sounding even more stupid than I already am haha, how would I know if I have central looking or not?
see if you can find any info on the internet about your particular model.
or there might be a mechanic at your local dealer who is old enough to remember the 1990s.

i do recall some of the cars i had around that time had CL that worked using the key in the drivers door, nissan Primera for one.
 

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If the car had powered locks there should be electrical wiring into the door. If there was no evidence of any wiring then of course the locks would be mechanical only.
 

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Discussion Starter #11
Thank you all for helping out! I tried looking up my year and model but nothing really came up unfortunately... I'll do a bit more digging and hopefully find something regarding CL.

Oh, and just thought I'd mention in case this helps at all - when locking the car from either door, both doors lock, it's just they don't unlock together. Could the signify CL or is this just normal even with manual doors?
 

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That would suggest CL if they both lock and suggest a fault since they don't both unlock.

Perhaps the services of a good auto electrician are required.
 

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Oh, and just thought I'd mention in case this helps at all - when locking the car from either door, both doors lock, it's just they don't unlock together. Could the signify CL or is this just normal even with manual doors?
Dilemma resolved! (the central locking's broken)
 

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Oh, and just thought I'd mention in case this helps at all - when locking the car from either door, both doors lock, it's just they don't unlock together.
It would have saved a lot of posts if you had told us this vital diagnostic piece of info at post #1.:grin2:
 

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Discussion Starter #15
Haha, whoops, I must admit it slipped my mind until today when I was locking the car... I checked the vehicle owners manual thingy (lol) and looked to see if it mentioned central locking at all, and it did, however it said "for some types" which doesn't really help lol. I tried looking it up on the good ol' google again but couldn't find anything. Just stuff regarding the 1.6 sedan model and not the 1.5 VEI hatch that I have.

Thanks for all the help like I said! Now it's what to do...
 

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try spraying the insides with a good lubricant like wd40 (there are better out there these days) it maybe the actuators are just sticking
on seat's you drill a small hole in the central locking motor and spray a releasing fluid in and they come back to life

ive done this with my sons leon and 2 different altea's and they are working fine they were similar think they would lock but wouldn't open but that is of the fob not sure if same with just key

also if you remove the inner door card and work the lock with the key there could be a little tag that catches and triggers the central locking
long time since ive worked on a car without key fobs but there are types that do have little tabs that break off or bend
 

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Discussion Starter #18
try spraying the insides with a good lubricant like wd40
I will try this, thanks for the suggestion once again!

Also, just wondering if I should be starting a new thread with regards to fixing suspected broken CL, or is this one ok to continue?

The thing is both doors unlock absolutely fine, just not together for whatever reason... Like I stupidly forgot to mention as well, they lock (together) perfectly fine too, so I'm really unsure about what it could be that's causing said issue. In an ideal world, I'd really like to keep the door cards on and not fiddle around with things too much due to them working fine manually. I'm not sure what to do lol, I'm stuck!!!!
 

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Also, just wondering if I should be starting a new thread with regards to fixing suspected broken CL, or is this one ok to continue?
Why would you want to do that? CL's what most of this thread maxes on and you if you start another one then the answers will be spread all over the place and difficult to follow. :surprise:

I'ts just that perhaps the title that hadn't been thought through, but that could be changed.:wink3:
 

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Discussion Starter #20
Okie dokie, I was just wondering haha.

If anyone has any ideas or knows what I should do regarding said broken CL, then any help would be greatly appreciated as always!
 
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