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The mkiv Supra Owners Club

central locking inop


supraturbochris

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evening all, i have read previous threads on this, but they havnt really gone anywhere. My central locking doesnt want to lock, it only unlocks the car. I also have a toad a1600 alarm system fitted to the car. I had the door panel off today but didnt notice anything. Could anyone point me in the right direction or tell me how too fix?

thank you

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I fitted the Toad ai606 to mine.

 

The connections from the alarm to the central locking on the car were done in the fuse box panel that's located in the drivers footwell.

 

Does the car central locking open and close when you turn the key in the door lock?

 

You just have a problem when you alarm the car with the toad fob and it doesn't lock the car?

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The alarm fob arms its self but doesnt lock the doors. But when pushing the button to open the car, it opens ok. On the switch on the drivers door panel, it clicks down to open the doors alright but when clicking the up button to lock the doors it does nothing. It seem like there is no signal getting to the passenger door.

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its still playing up please help :(

 

It seems like nobody really knows, however i was told that its probably just a connections somewhere and cleaning them may help. I havent tried doing mine yet because of the weather but i think there is a box somewhere in the passenger footwell with connections in.

 

If you get it sorted let me know and i will do the same.

 

Cheers

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I just have seen this thread. It's connector in drivers door playing up, I had (and have it again :rolleyes: ) same problem when it's getting really wet and cold. When you take off doors card it will be on the right side of drivers door, small white connector with 3 cables going in and out. Clean it, dry it and it should work fine again :)

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I just have seen this thread. It's connector in drivers door playing up, I had (and have it again :rolleyes: ) same problem when it's getting really wet and cold. When you take off doors card it will be on the right side of drivers door, small white connector with 3 cables going in and out. Clean it, dry it and it should work fine again :)

 

Thanks will try this once it drys up outside :)

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  • 2 weeks later...

funny thing, mine has just started acting a bit odd. few days ago.

what mine is doing is after the car has been parked up over night i go to get in by unlocking the door via my alarm fob, and it wont unlock the doors, disarms the alarm and immobilizer but wont unlock the doors!! central locking works fine with my key, both doors, so i think ive got a crappy connector somewhere. but once ive unlocked the doors with my key the fob works fine locking and unlocking my doors. only odd thing off the top of my head is that ive got fitted a camera detector, bel something or other, anyway this bel lately has been bringing up a low volt message on the display!! but the cars starts perfectly and seems plenty power in the battery, is it possible that the alarm wont trip the doors to unlock if it senses low voltage from the cars battery?

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also this morning on the way to work it suddenly locked the doors by its self, and it kept trying to lock the doors even tho they were locked, could just hear the relay clicking over in the passenger side foot well. after reading about the various things that go wrong, ie- those clips in the doors and having a look in the drivers footwell behind the black cover ive blasted the clips in both doors,(can get to them from above with the windows down,wd40 and straw):cool:. also there was a drop or two of rain water on the connectors of some relay thing down under the drivers footwell!!(no corrosion what so ever down there on any of the connections so thats good),i gave that a little blast with WD40. all this weather and older cars dont mix so it seems. mines an aero if that makes any difference, the door/roof seals must let a very small amount of water in some where that finds its way down to the drivers side foot well!!:( just so happens theres electrics down there, so not good. ive just had a good go at everything with wd40, so with any luck. what do you lot recommend grease wise to put on the roof and doors seals to help seal from any rain getting in.

Edited by supraGZaerotop (see edit history)
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