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        General >> Problems >> alarm going off
        
(Message started by: pedropedro on Jun 16^th, 2012, 6:32pm)

Title: alarm going off
Post by pedropedro on Jun 16^th, 2012, 6:32pm

Hi...its a 2.3 and the alarm has started going off intermittently ...had to pull the wire on the horn as temp fix...is there any obvious way to establish whats going on? if its working fine how can you find which switch is causing a problem...? it doesnt have ultrasonics so its not wind ...any ideas appreciated .....goes off randomly once every 18 hours or so tks john

Title: Re: alarm going off
Post by Simmo on Jun 16^th, 2012, 8:07pm

Bonnet switch is the favourite .

Title: Re: alarm going off
Post by Mike H on Jun 16^th, 2012, 8:12pm

I agree.

Title: Re: alarm going off
Post by pedropedro on Jun 16^th, 2012, 8:51pm

Ok...so found bonnet switch connector separated and it tests fine zero ohms and its stable when switch closed.......not sure where to go now.....i assume if i leave disconnected alarm wont set so at least wont have the hazards going off

cant see how to logically follow through ..with battery disconnected the other side of the connector measures open circuit so assume some relay needs be closed to complete the loop

any ideas would be appreciated

Title: Re: alarm going off
Post by pedropedro on Jun 17^th, 2012, 10:55am

I recall a method of checking the alarm switches.. hold down heated seat button or similar anyone know or point me in right direction?
rgds john

Title: Re: alarm going off
Post by Mike H on Jun 17^th, 2012, 11:06am

If you look at this: Anti-Theft Alarm wiring diagram (https://skydrive.live.com/?cid=eb36f845ea9b8fb6&id=EB36F845EA9B8FB6%21146#cid=EB36F845EA9B8FB6&id=EB36F845EA9B8FB6%21188)

It connects to the Central Control Module so is electronic gubbins at the other end.

My best guess is you got a bad connector somewhere, and could be for any of the switches not just bonnet.

Title: Re: alarm going off
Post by Mike H on Jun 17^th, 2012, 11:08am

on 06/16/12 at 20:51:07, pedropedro wrote:

i assume if i leave disconnected alarm wont set

Yes that should be correct

Title: Re: alarm going off
Post by pedropedro on Jun 17^th, 2012, 11:15am

ok thanks for that

Title: Re: alarm going off
Post by Jonnycab on Jun 19^th, 2012, 4:29am

Does it have internal sensors in the headlining above the door pillars ?....If so, disconnect them....worked for me ;)

Title: Re: alarm going off
Post by pedropedro on Jun 19^th, 2012, 7:42am

tks for tip but thats where i first looked had that problem with another scorp ..no it doesnt have internal sensors...tks though

Title: Re: alarm going off
Post by retiredjames on Jun 19^th, 2012, 8:40am

I had a similar problem with my first Scorpio - 2.5TD Estate. Whenever it happened I opened and closed all doors and this seemed to cure it. Still have no idea what caused it in the first place.
Cheers,
James ::)

Title: Re: alarm going off
Post by Mike H on Jun 19^th, 2012, 5:55pm

Just dirty switches.