Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: nixoro on 22 February 2007, 08:41:37
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My dad has an M plate omega and so the alarm is the infra red type.
Up until yesterday the car was in daily use, without any problems.
Yesterday morning he went to unlock the car and it would not open from the fob, he opened the car sat in the drivers seat and pointed the remote towards the red Dot on the sunroof panel and nothing.
I got a call from him yesterday saying the car is totally immobilised what should I do, so I talked him through the resync process over the phone, nothing happened.
On my way home from work I called in as I couldn't understand what was happening, tried the resync myself but again no joy.
Central Locking works, the Alarm button LED flashes and the internal lights work.
The process for this is to turn the key till the ignition lights appear and point the remote towards the red dot then the internal light should flash 3 times and the locks should open close. This however is not doing what it should.
The remote red led flashes so I know the batteries are ok in it.
Could anyone suggest a way to get this sorted.
Cheers for any responses in advance.
Roy
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Juat a thought........fuse?
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I'd be interested if you work out what this is - my housemates vectra has the same problem although it doesn't get immobilised, we're just treated to the alarm going off everytime he opens it up first thing in the morning - it drives me nuts so god know what the neighbours think.
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Juat a thought........fuse?
Having looked in the manual I cant see any fuse for the alarm.
One of my thoughts was to disconnect the battery and reconnect then try a resync.
Does anyone know where the alarm module is if it has one perhaps it needs reseating or something silly like that.
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I'd be interested if you work out what this is - my housemates vectra has the same problem although it doesn't get immobilised, we're just treated to the alarm going off everytime he opens it up first thing in the morning - it drives me nuts so god know what the neighbours think.
Regards the alarm is the alarm the Infra red type or frequency type , if frequency type it could be the remote coming unsynced someone on here suggested it could be a dry joint or something similar, I have the same problem with my alarm on my car so I have a couple of remotes that need to be programmed to mine asap.
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I think its the infra-red type, however I'll check it as not 100% sure - its on an N plate.
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I'm guessing there is no way to bypass the immobiliser but then again this will invalidate the insurance or will it.
Stuck for Ideas / options at the moment.
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My mate had a similar problem with his Peugeot, turned out to be a slight leak in the sunroof & water got into the receiver.
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My mate had a similar problem with his Peugeot, turned out to be a slight leak in the sunroof & water got into the receiver.
Are you meaning the red pimple on the sunroof panel, If so I must admit I was tempted to remove this to have a look but the the misses called wanting to be picked up, shall be having a look first chance I get though.
Can anyone tell where the alarm module is as I may check that aswell while I'm at it.
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Are you meaning the red pimple on the sunroof panel
That's the one, probably different on an Omega but worth a try if all else fails.
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Are you meaning the red pimple on the sunroof panel
That's the one, probably different on an Omega but worth a try if all else fails.
Cheers Bo Bo for the confirmation :y
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As check the fuse has been suggested can anyone confirm if there is one and where it would be, as I may have missed it.
Cheers
Roy
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If I can get 10 spare minutes tonight I will check the wiring diags.....the immobiliser can be wired out on these....
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If I can get 10 spare minutes tonight I will check the wiring diags.....the immobiliser can be wired out on these....
That would be much appreciated Mark :y
Is there a way to remove the Infra red type alarm as I'm thinking to upgrade it.
If I go the upgrade route would this be suitable:
http://cgi.ebay.co.uk/CAR-ALARM-IMMOBILISER-CARBON-VAUXHALL-ASTRA-CORSA-OMEGA_W0QQitemZ230093252389QQihZ013QQcategoryZ75329QQssPageNameZWDVWQQrdZ1QQcmdZViewItem#ebayphotohosting
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Im sure it can be done.....and that looks suitable....
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Yes, earlier IR ones can be bypassed. However, may be worth checking if transponder still in place. Does his other key work?
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Yes, earlier IR ones can be bypassed. However, may be worth checking if transponder still in place. Does his other key work?
Its sods law my dad broke the other remote and has been trying to source a good replacement.
He has said to me he is going to get another set of batteries for the one he has and shall try that first, never know it may work.
Tempted to just remove the old alarm system and fit a new one.
With these types of remote they dont need programming to the ecu or do they?
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They do need programming, sorry, didn't get a chance to look at the scms last night....
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They do need programming, sorry, didn't get a chance to look at the scms last night....
Damn (regards the programming), have been looking at possible replacement alarm systems and its hard to decide which to go for if I do upgrade as some have alarm relays and some dont.
I have a copy of the haynes, I shall see if I can make some understanding of the wiring layout.
Can anyone confirm whether it needs the relay or not.
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Has anyone else had a similar or the same problem, and if so how did you get around it.
On sunday i had a look proved one cable to the battery live feeds the central locking alarm/ immmobiliser.
Checked the alarm/immobiliser box behind the driver side kick panel.
Removed the sunroof and internal lamp section and checked the Infra red sensor.
After all that still none the wiser and now in need of a new sunroof twist dial thingy, couldn't pull it out so out came the pliers ;D
Having read the Haynes diagrams if you disconnect the immobiliser this also takes out the fuel pump, from the looks of it you have the Central locking unit which connects to the alarm unit which then connects to the Immobiliser both the alarm unit and Immobiliser box, the fuel pump is connected to in some way. F18 runs to both the alarm unit and immobiliser, my thoughts was to disconnect the immobiler leaving the central locking and alarm intact.
Current State:
The alarm light is flashing.
The central locking is not working from the remote but the car is unlocking from the key.
The car itself cannot be started with the key.
Tried to do the paper clip test but this failed need to double check the bulb as its not coming on when you turn the key in the ignition.
The little LED is flashing when you press the Button on the remote.
Read other suggestions where removing fuse 12 or 15 bypasses but I found 1 of the fuses knocked out everything.
Any Ideas would be much appreciated