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#1613656 - 28/12/2017 22:59 Central locking not working with either fob
JKD Offline
Forum is my job

Registered: 20/09/2008
Posts: 4384
Loc:
When I press the unlock/lock button on either fob (the one that's always been used as well as the spare one that's never been used until now), the red lights on both fobs flash but the car doesn't unlock.

Both doors do unlock together when I open the driver's door with the key, but of course the red dashboard light stays on.

This is after fully charging the battery again from flat after a long time, if that could be causing a problem? I'm starting to think doing this causes a different electrical problem each time? I remember now that at one point after charging it up, the car wouldn't start with any key, then the next time I charged it up, it seemed to work ok! confused crazy

Could a battery in this condition cause problems with the link between the fob and the car?

Or is this something totally different?

Thanks.

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#1613658 - 29/12/2017 00:52 Re: Central locking not working with either fob [Re: JKD]
GrahamL Offline
I need some sleep

Registered: 17/12/2005
Posts: 3444
Loc: Pothole City
Alarm ECU or the services ECU under driver's seat might have crashed with the low power, so disconnect the battery for a minute to reset everything and try again.

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#1613683 - 29/12/2017 18:29 Re: Central locking not working with either fob [Re: GrahamL]
JKD Offline
Forum is my job

Registered: 20/09/2008
Posts: 4384
Loc:
Tried it, nothing. frown

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#1613691 - 29/12/2017 22:34 Re: Central locking not working with either fob [Re: JKD]
GrahamL Offline
I need some sleep

Registered: 17/12/2005
Posts: 3444
Loc: Pothole City
Probably dead alarm box then, bin it and fit one of the cheap remote locking units from ebay.

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#1613712 - 30/12/2017 20:13 Re: Central locking not working with either fob [Re: GrahamL]
JKD Offline
Forum is my job

Registered: 20/09/2008
Posts: 4384
Loc:
Just some quick clarification please.

According to the owner handbook, in the glove compartment, there is a pawl with a protective rubber cap that you raise and you then turn the emergency key to the off position, in order to turn the alarm off.

In my glove compartment there appears to be a round plastic cover in the middle but I can't seem to take it off. Pulling it only seems to move it a bit and it easily rotates but that of course doesn't make it looser? Is this what the manual is referring to, or at least some variation of it?

Or was this feature only on some Coops? confused

The handbook picture makes it look as if raising the rubber cap still has it partially connected to the pawl, whereas this looks like something that if I pulled it too hard it would totally come off! I don't want to unnecessarily break something.

Thanks.

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#1613734 - 31/12/2017 10:57 Re: Central locking not working with either fob [Re: JKD]
GrahamL Offline
I need some sleep

Registered: 17/12/2005
Posts: 3444
Loc: Pothole City
Never seen an alarm switch in the glove box, only the passenger airbag switch on later coupes.

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#1613757 - 31/12/2017 22:15 Re: Central locking not working with either fob [Re: GrahamL]
Possum Offline
My life on the forum

Registered: 19/12/2005
Posts: 1535
Loc: Brisbane, Australia
Originally Posted By GrahamL
Never seen an alarm switch in the glove box, only the passenger airbag switch on later coupes.


I have one in the glove box of my 1996 16VT, it is on the underside of the dash, in the middle. One has to bend down to see it. My cap has a "peak" on the cover which just lifts up to expose the key hole for the small round key that I have.
_________________________

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#1614110 - 06/01/2018 17:25 Re: Central locking not working with either fob [Re: GrahamL]
JKD Offline
Forum is my job

Registered: 20/09/2008
Posts: 4384
Loc:
Originally Posted By GrahamL
Never seen an alarm switch in the glove box, only the passenger airbag switch on later coupes.


How can I temporarily disable the alarm/immobiliser if my Coop doesn't have this alarm switch as per the manual?

I just want to charge up the battery, put in some petrol, start the engine, get it towed to a garage, get an MOT done and then sort any faults out after that if it is worth it.

The car has been SORN for a while and I'm expecting it to have a massive list of problems. So I'm trying to if I can, pay just for petrol, the MOT and towing. Just enough so that I can see how many problems it has got.

Of course deep down I'm hoping that it only has a few problems to sort out. laugh

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#1614111 - 06/01/2018 17:29 Re: Central locking not working with either fob [Re: JKD]
Edinburgh Offline
Club member 225
Je suis un Coupé

Registered: 04/03/2007
Posts: 9922
Loc: Auld Reekie
Originally Posted By JKD

Of course deep down I'm hoping that it only has a few problems to sort out. laugh


That's more like it laugh
_________________________


So there, Photobucket...

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#1614115 - 06/01/2018 20:55 Re: Central locking not working with either fob [Re: Edinburgh]
JKD Offline
Forum is my job

Registered: 20/09/2008
Posts: 4384
Loc:
Actually, can't just unlocking the door with a key and putting it in the ignition to whatever required position just turn the alarm off? As long as the system recognises that its a correct key and the CODE light doesn't stay on? confused

Basically, what I'm trying to ask is, can't you just somehow turn the alarm off (in the same way you normally do with the fob) without the fob as long as you have a correct key? confused

Thanks.

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#1614126 - 07/01/2018 10:03 Re: Central locking not working with either fob [Re: JKD]
DaveG Online   content
Club member 311
Forum is my life

Registered: 16/12/2005
Posts: 6750
Loc: Lightwater, Surrey, UK
Your profile doesn't reveal which model you have, but if your alarm fob has a small red LED then I'm guessing it's a Scorpion 918U as fitted up to around 1998 UK cars. Do you have a rectangular fob with two buttons at the top, a slider switch on one side and a little connection socket on the other side? If you do, then you should have an alarm siren in the space behind the n/s side/indicator/fog lamp unit, which can be turned off, but only if you have the key of course. Or you could disconnect it, and/or disconnect the alarm ECU which is normally buried behind the dash, remove the end panels and have a look.

The alarm is separate from the CODE immobiliser, it just sounds the alarm when activated, but won't prevent you starting the engine.

Can you start the engine? If it only starts intermittently, does the injector light or CODE light come on?
_________________________
2000 Pearl White Plus & 1996 Portofino 20vt
1985 & 2016 2017 Fiat 124 Spider + XF Sportbrake

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#1614141 - 07/01/2018 17:11 Re: Central locking not working with either fob [Re: DaveG]
JKD Offline
Forum is my job

Registered: 20/09/2008
Posts: 4384
Loc:
Will have to put in some petrol and then try starting the engine.

Yeah, its a Scorpion.

If the red LED on the fob stays lit for the same amount of time you are holding the fob button, does that even mean the fob battery is ok?

Because I've never actually changed the battery on either fob and I've had the car for many years! So could it also be a low fob battery as well?

How do you even open the fob?

Thanks.

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#1614143 - 07/01/2018 17:35 Re: Central locking not working with either fob [Re: JKD]
Edinburgh Offline
Club member 225
Je suis un Coupé

Registered: 04/03/2007
Posts: 9922
Loc: Auld Reekie
On mine (although a Toad fob) you prise open the two halves like a clam shell
_________________________


So there, Photobucket...

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#1614145 - 07/01/2018 18:03 Re: Central locking not working with either fob [Re: Edinburgh]
JKD Offline
Forum is my job

Registered: 20/09/2008
Posts: 4384
Loc:
That's what I thought, but it just doesn't open! It feels like my fingernails are going to come off! laugh

Crowbar? laugh

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#1614149 - 07/01/2018 18:48 Re: Central locking not working with either fob [Re: JKD]
Edinburgh Offline
Club member 225
Je suis un Coupé

Registered: 04/03/2007
Posts: 9922
Loc: Auld Reekie
Originally Posted By JKD


Crowbar? laugh


Yes, but very very very tiny....

There maybe a small indentation around the perimeter to start you off.

If all else fails, keep taking the tablets, post a pic laugh
_________________________


So there, Photobucket...

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