Hi, I drive a ford fiesta 2003. I am having a problem with the central locking. when using the buttons on the key, when I use the unlock button, all doors unlock. when I press the lock button, only the drivers side locks. when I stick the key in the drivers side door and unlock the doors, all doors unlock, when I lock it only the drivers side locks. the only way I can lock all doors is from the passenger side door by turning the key to unlock the door, then turning it to lock it. any ideas what's wrong with my locking system?
My car has a manual transmission.
Your central locking system may have been designed with a control module in the circuit. This is a small computer that is responsible for controlling the different functions of a particular system. It is possible that the module for your central locking system may have shorted out internally preventing particular functions from working properly. I would recommend having a certified technician test your central locking module to determine if all of its functions are working properly.
How to Identify and Fix Common car Problems ?
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The key fob battery is dead: This is one of the most common reasons why your car door lock is not working. If your locks aren`t working, replacing the battery in the key fob could solve the issue. The key fob is faulty: If the battery isn`t the problem, the issue may be with the fob itself.
A problem with one lock is probably due to the lock actuator or another malfunction inside the mechanism of the door itself. But if none of the power locks work, check the fuse box in your vehicle. A blown fuse can cause the power locks to stop working.
If the locks on all doors have suddenly stopped working or responding, then the problem could be the key fob. The battery may have died or something could be preventing the fob from sending a signal; in this case, it might need replacing. If one door lock is being problematic then it could be the lock solenoid.
If the battery dies, the fob chip loses power and will not open or close your car doors. To avoid such frustrations, ensure you are stocked with spare batteries or a backup key. Another major issue in the key fob is misaligned buttons and broken contacts. You can open the key fob to check if it has any issues.
In most cases, when a single door will not open, it`s due to a broken latch – which will require replacement. As long as you can get into the vehicle, you should be able to climb into the driver`s seat and drive home safely until you have time to contact a mechanic to find the issue and make the right repairs.
A door locking motor is fitted to each door and connected to a control box located under the fascia in front of the steering wheel. A 20 amp fuse is incorporated to protect the System, see figure 1.
Door lock problems are often caused by a malfunctioning lock mechanism or latch assembly, but there are several common reasons why locks stop working: The lock is dry or dirty. It doesn`t fit in the door properly. The latch and strike plate don`t align.
Five of the most common reasons for a car door lock not working properly are a dead battery in the key fob, bad programming in the fob, a blown fuse, a bad solenoid or a broken wire.
If your ECU controls the anti-theft system, disconnecting the battery may lock you out of your car. Like desktop computers and most other electronics, disconnecting the battery cable for a short period will not fully reset your ECU due to the residual power remaining in the circuits.
The majority of cars now have remote central locking, however, with a flat or dead battery this won`t work and you will be forced to use the key to open the car doors.
The keyless entry system receiver(s) on your vehicle may not be picking up the signal from the key fob. Try holding the fob right next to the door handle when pressing the unlock button. If it unlocks the door, the problem may be a weak battery in the key fob, or a problem in the keyless entry antenna or wiring.
If the key won`t turn in the door lock, the problem could be dirt or dust in the cylinder causing the pins to be stuck in a partially raised position. If that`s the case, it may be an easy fix. You can spray dry lubricant into the keyway and then insert the key a few times to get the lubricant working.
Most door lock actuators are integrated into a door latch assembly, and you`ll find one at each door that has a power lock. Some lock actuators are separate from the latch, and they tend to be less expensive.
The solenoid lock denotes a latch for electrical locking and unlocking. It is available in unlocking in the power-on mode type, and locking and keeping in the power-on mode type, which can be used selectively for situations. The power-on unlocking type enables unlocking only while the solenoid is powered on.
A door lock relay can be located in four different places on a vehicle, including: Under the dash on the wall by the brake pedal. Under the dash in the middle of the cab behind the stereo. Under the dash behind the passenger air bag.
Power door locks use electric motors to engage and disengage the door locks on your car. Owners can control their door locks via door- or console-mounted switches or buttons or remotely by a key fob or smartphone app.
The electric motor is called the actuator and it administrates and controls the entire mechanism of central locking.
The car`s central locking is not working with the key: This problem may arise if the key fob has an issue or the fob`s battery is dead. You can try replacing the batteries or getting the key remote diagnosed at the service centre.
They are available in three different types: lockable thumb-turn, single and double. For the single cylinder, the lock has a key barrel on the outside, and the inside has a thumb-turn. The lock can easily be opened from the inside if an intruder has access to the thumb-turn.
The main parts of a door lock are the cylinder, bolt, box and strike plate. It`s useful for any DIY-er to know how things around the home operate. Understanding the different parts that work together to make a door handle and lock work, can help you fix minor problems on your own.
Lack of lubrication. Moving parts always experience friction, so a possible cause of the driver-side door locks not working is a poorly lubricated door latch. For this issue, check if the latch mechanism on the door has any corrosion that could be hindering the lock.
Lack of lubrication. Moving parts always experience friction, so a possible cause of the driver-side door locks not working is a poorly lubricated door latch. For this issue, check if the latch mechanism on the door has any corrosion that could be hindering the lock.
Try rebooting the door lock by removing the batteries. Removing the batteries will force the device to reset. Then, check the security panel (or control panel) to make sure that the door lock is appearing on the list of connected devices. If it is not appearing, reconnect it.