Vehicle & Technical > Discovery

central locking on 300 dosnt work

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bodgeitjo:
hi people as above the central locking on the fob has stopped working. changed the battery in the fob and it works the immobiliser ok but not the doors have also checked the fuse thats ok. there it a very quiet click coming from the black box thingy behind the door card. the trouble ive got is it doesn't lock on the key so cant leave it.    thanx  jo

sirloincloth:
Had the same problem on my Disco. Turned out to be a problem with the fob. It may be worth checking the following;

1. split the fob.
2. Check the push buttons in the plastic cover still line up with the electronic button switches on the circuit board (PCB). They can shift postion over time, and suddenly you find the central locking doesn't work.
3. It may be worth operating the push buttons on the PCB while the fob cover is split. If the central locking works you know its a fob problem.

Chris

jay2578:
the quiet click in the door could indicate a relay problem?

JPJ:
What happens when you try the key in the lock? Does the central locking still not work - does the door open OK? The central locking module is connected to the drivers door lock by good old metal rods hooked onto a plastic/nylon loop.

karlo:
Does it switch the immobiliser on and off that would indicate if the fob was working as they have a habit of becoming unsoldered where the battery carrier connects to the circuit board.

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