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interior lock button #1628271
01/01/2019 15:50
01/01/2019 15:50
Joined: Nov 2018
Posts: 15
Greater Manchester
C
Ceramicolive Offline OP
Newbie
Ceramicolive  Offline OP
Newbie
C

Joined: Nov 2018
Posts: 15
Greater Manchester
This may be a common fault as it does it on both the coupes that I have but when I press the interior lock button on the dash it tries to lock the doors but then immediately unlocks them.

Anybody had this or know how to cure it?

Many Thanks

Re: interior lock button [Re: Ceramicolive] #1628276
01/01/2019 18:17
01/01/2019 18:17
Joined: Mar 2007
Posts: 10,471
Auld Reekie
Edinburgh Offline
Club Board member
Edinburgh  Offline
Club Board member
I AM a Coop

Joined: Mar 2007
Posts: 10,471
Auld Reekie
I take it your central locking works perfectly normally when outside the cars?



[Linked Image]

So there, Photobucket...
Re: interior lock button [Re: Ceramicolive] #1628281
02/01/2019 05:36
02/01/2019 05:36
Joined: Dec 2005
Posts: 32,065
Hemel in the Hempstead
barnacle Offline
Club Member 18 - Minister without Portfolio
barnacle  Offline
Club Member 18 - Minister without Portfolio
Forum Demigod

Joined: Dec 2005
Posts: 32,065
Hemel in the Hempstead
One of the doors, or less probably the alarm system, is holding the system unlocked. The most likely cause is the microswitches in one of the lock units - isolate the door by removing the door loom at the big white connector in the A-column - but another possibility is the light in the boot.

The switch that turns it on is on a tab of metal which gets bent so it never turns off, and that tells the alarm not to lock the doors.

Incidentally, it eats your battery quite quickly too, but you'd probably notice that.



Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!
Re: interior lock button [Re: Edinburgh] #1628310
02/01/2019 21:32
02/01/2019 21:32
Joined: Nov 2018
Posts: 15
Greater Manchester
C
Ceramicolive Offline OP
Newbie
Ceramicolive  Offline OP
Newbie
C

Joined: Nov 2018
Posts: 15
Greater Manchester
Originally Posted By Edinburgh
I take it your central locking works perfectly normally when outside the cars?



Yes it does, it locks with the both doors with the key from the drivers door.

Re: interior lock button [Re: barnacle] #1628311
02/01/2019 21:33
02/01/2019 21:33
Joined: Nov 2018
Posts: 15
Greater Manchester
C
Ceramicolive Offline OP
Newbie
Ceramicolive  Offline OP
Newbie
C

Joined: Nov 2018
Posts: 15
Greater Manchester
Originally Posted By barnacle
One of the doors, or less probably the alarm system, is holding the system unlocked. The most likely cause is the microswitches in one of the lock units - isolate the door by removing the door loom at the big white connector in the A-column - but another possibility is the light in the boot.

The switch that turns it on is on a tab of metal which gets bent so it never turns off, and that tells the alarm not to lock the doors.

Incidentally, it eats your battery quite quickly too, but you'd probably notice that.


Thanks I'll give it a try and report back

Re: interior lock button [Re: Ceramicolive] #1628317
03/01/2019 05:44
03/01/2019 05:44
Joined: Dec 2005
Posts: 32,065
Hemel in the Hempstead
barnacle Offline
Club Member 18 - Minister without Portfolio
barnacle  Offline
Club Member 18 - Minister without Portfolio
Forum Demigod

Joined: Dec 2005
Posts: 32,065
Hemel in the Hempstead
Originally Posted By Ceramicolive
Originally Posted By Edinburgh
I take it your central locking works perfectly normally when outside the cars?



Yes it does, it locks with the both doors with the key from the drivers door.


Ah, that suggests that the fault may be the driver's door not actually locking when commanded by the electrics. The test would be to try locking the passenger door with the key.



Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!
Re: interior lock button [Re: Ceramicolive] #1628341
03/01/2019 21:40
03/01/2019 21:40
Joined: Dec 2005
Posts: 215
Honiton, Devon
alex1982 Offline
Club Member 653
alex1982  Offline
Club Member 653
Making a profit

Joined: Dec 2005
Posts: 215
Honiton, Devon
I've just sorted this issue on my coupe, car would lock ok using driver door lock, but the locks would pop back open when locking using the passenger door or the dash button.
With mine, the drivers door lock mechanism had been over-greased and attracted dirt, the extra friction meant that the door motor didn't have the strength to operate the lock properly and popped back.
By removing , cleaning and lubricating it sparingly, it's now working as it should.
Hope this helps
Alex


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