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There is only one fuse that mentions 'Locking', but also refers to the General Electrical Module (GEM). If you change the fob battery, you need to reprogram it to the vehicle. Or you could open any Transit around you. Lots of help below including resetting..
The common reason for both the remote fob to fail plus the manual lock to fail is a faulty lock actuator. But you can try replacing the battery in the key fob. Those batteries are at Wal-Mart and it that is the problem, you are in luck. That is a DIY. Yep, you can open that fob if you can spy the slot. The battery is the cr2032.
Yes, it is possible for a single door lock actuator to fail and that result in all the locks failing to work. That particularly can happen in newer cars. If the issue is not the battery in the fob, this may be the problem. It could be other things but you are looking for a quick fix, not a bunch of diagnostic efforts.
.Here is a possibility though not a high probability. Remove the ECU fuse. Then, put it back in! That might start things locking and unlocking again. These are the "quick" ideas I have.
This one you may be stuck paying the 50 dollars but what I would do first is contact the manufacturer of the remote control. I would bet they will help you out. The other option is to go to an after market installer of car alarms that is a bit smaller. They will most likely help you in the hopes of you coming back for further business.
double posted,
Check all fuses... in cab and eng. bay.
try again, again, say what dont work?
key fobs (all) dead??
or keys actual, or what,
what works and what dont. ???????????
central locking is complex. lots of switches fob and doors.
try saying what dont work exactly , instead of just central.......
you prolly want to check fuses first. If not solved then a continuity test needs to be done for hidden loose wires "a short' underneath the center console is where (on that model ) the wires are channled to their destination...
Toyota Corolla Verso - Central locking has just stopped responding
So you don't waste your time, here are some assumptions: -
1. When I press the key fob there is no sound of doors trying to lock/unlock and I know the key fob is fine.
Solution:
In this situation reset the alarm/locking system
Below is the procedure I followed to get the central locking working again: -
Open the passenger door, and look at the side of the dash board. There should be a triangular panel. Pull the panel off to reveal a small set of fuses(see the back of the panel for the fuse map). To power down the central locking you need to remove the Dome Light fuse, this is located top left. Second one down 7.5 amps. (if in doubt remove the top two 7.5 amp fuses I did)
When you remove the fuse(s) you will notice the interior light go out indicating you have powered down the system.
Now leave them out for at least 30 mins so any capacitors can discharge properly. (Be aware while the fuse is removed all central locking is disabled, so the other doors are open. I left the fuse(s) out over night with all the doors open but I don't recommend it, 30 mins should be fine)
After 30 mins replace the fuse(s) close all doors, and then try your key fob, hopefully you should here that satisfying locking sound.
2. When I press the key fob I hear the locking system trying to engage.
This could be a faulty door switch on any door including the boot, or there could be a dent in the inner door panel of any of the doors, usualy the rear doors due to the seat belt not retracting properly.
Solution:
Check all door switches for damage, and check inner panel for dents, just a small dent where the switch connects can be enough to not engage the switch. This will stop the central locking.
Use some kitchen roll wrapped in tape (as a makeshift pad) and tape to the inner door as a temp measure to engage the door switch. At least you can then lock the car.
TWO THINGS TO TRY... FIRST DISCONNECT BATTERY. LEAVE DISCONNECTED FOR TWENTY MINUTES, WHILE DISCONNECTED TURN THE IGNITION KEY TO THE RUN POSITION AND LET SIT...AFTER 20 MINUTES TURN KEY OFF RECONNECT BATTERY.. THEN TRY IF STILL NOTHING, THEN TRY TURNING KEY TO THE RUN POSITION AND LEAVE FOR 10 MINUTES.. THEN TRY IF STILL NO THEN GET BACK WITH ME FOR FURTHER INFO
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