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Author Topic: Central Locking Problem  (Read 1762 times)

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SI

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Central Locking Problem
« on: 23 April 2007, 09:07:41 »

Thanks for your responses to my 1st topic - much appreciated.

My next problem is with the central locking. Changed batteries in both key fobs as locking was becoming intermittent. Then couldn't unlock car and tried using the key to unlock the door but no joy. I could the alarm indicator flashing on the dash and using the key fob, pressed until the alarm no longer flashed. Then managed to unlock the boot (eatate) and climbed  ;D through to see I could start the engine, which I could, then had to find someone to close the boot for me  :-[, got home and climbed out of the boot much to my families amusement. Took out fuses changed batteries and central locking worked again for a couple of days. Same problem this morning, however managed to use key to open door. Any advise please

thanks

SI
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Marks DTM Calib

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Re: Central Locking Problem
« Reply #1 on: 23 April 2007, 09:35:01 »

Ok....after changing the fob batteries, you shoudl re-sync them to the car (they use a rolling code) by getting in the car, closing the door, key in ignition and tunred so the warning light on the dash come on, then press and hold the lock or unlock button until the doors lock and then unlock again....

Does the LED always flash on the remote when a button is pressed...
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SI

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Re: Central Locking Problem
« Reply #2 on: 23 April 2007, 09:38:55 »

Thanks I'll try that at luchtime, yes the red light does come on the key fob
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Matchless

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Re: Central Locking Problem
« Reply #3 on: 23 April 2007, 10:48:50 »

Was it dead locked (pressed keyfob twice)?

Turning the key in the drivers door operates some switch contacts which unlock it in the same way as the remote, doesn't turn off the alarm though so you have to put key in ignition to stop the alarm.
If its been deadlocked you have to use quite a bit of force on the key to over-ride the deadlock but it should let you in.
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SI

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Re: Central Locking Problem
« Reply #4 on: 23 April 2007, 12:50:49 »

Managed to unlock car with key, but just opened the drivers door, no alarm triggered.

Tried re-sync the key fob - no joy. Put in key and turned 'til warning lights came on then pressed and held fob, light flashing on fob. Tried to open and close but no luck.

What thing I have notice is that occasionaly there is a buzzing / humming noise in sync with alarm indicator flashing, although its not doing it today - Is that connected ???

 Any other suggestion please

thanks

SI
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ians

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Re: Central Locking Problem
« Reply #5 on: 23 April 2007, 12:55:50 »

From my recollection, the resync proceedure changed at some point.  I know its different for my 94 and 98 cars.   It should be descirbed in your manual if you've got it.  (Sorry don't have details to hand.)
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TheBoy

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Re: Central Locking Problem
« Reply #6 on: 23 April 2007, 18:30:31 »

The RF ones (about 95 onwards) the resync is as described above.  The IR ones, I have no idea.
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JasonH

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Re: Central Locking Problem
« Reply #7 on: 23 April 2007, 23:29:42 »

The locking mechanism in the door tends to seize up.

You could try removing the driver's door card cleaning all linkages etc. with lots of WD40 then applying some grease to all the bits that move.
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