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I had this problem once...if this system runs your car battery dead with the flashing lights and horn you have to totally lock the car up using the key in the lock on the driver's door from outside...then unlock it with the key...all this has to be done after the battery is charged enough to insure it has enough juice to electrically 'know' that the key was recognized and used...Good Luck and hope this helps!!
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.
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.
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.
This could be due to the connecting rod between the key lock barrel and the lock mechanisim (in the door, connected lock button, breaking. The connector comprises of 5 parts, a rod, a spring, ans two 'plates' at either end. The spare parts can be bought from autmobile shop for around 10 GBP
if remote is good here are the factory instructions to program it, if this doesn't work u may have a bad remote or receiver in car.
1. Start with the key out of the ignition, drivers door is open all others closed and drivers door is unlocked. 2. Perform these steps within 5 seconds. A. Insert the key into the ignition(Do NOT Turn) Pull key out. B. Insert the key into the ignition(Do NOT Turn) Pull key out. 3. Perform these steps within 40 seconds. A. Close then open the drivers door. B. Close then open the drivers door. C. Insert the key into the ignition(Do NOT Turn) Pull key out. 4. Perform these steps within 40 seconds. A. Close then open the drivers door. B. Close then open the drivers door. C. Insert the key into ignition and leave it in ignition. D. Close the drivers door. E. Turn the ignition to ON (Do NOT Start) then back to OFF. F. Remove the key from the ignition. 5. Within 3 seconds, the power door locks should lock then unlock automatically indicating successful entry into programming mode. Return to step 1 if the locks do not cycle at this point. 6. Perform these steps within 40 seconds. A. Press the lock and unlock buttons on the remtoe simutaneously for 1.5 seconds. B. Immediately after letting go of the lock and unlock buttons, Press the lock button by itself and hold for 2 seconds. Within 3 seconds, the door locks should lock and then unlock once indicating successful programming. If the door locks cycle twice, repeat steps A and B in step 6 as the remote was not accepted. C. Repeat steps A and B in step 6 for each new remote. 7. Open drivers door.