Replacing a Toyota Key Fob
Your Toyota key fob is packed with advanced technology to make it work. This includes remote locking, smart keys and other features. It's not surprising then that it can malfunction.
Fortunately that replacing the battery in your Toyota key fob is simple and affordable. Just follow the steps below.
Battery
Toyota key fobs are powered by a small battery that powers the electronics and transponder chip used to unlock your vehicle. The battery inside your key fob will eventually degrade and need to be changed. Replacing the battery in a Toyota key fob is straightforward and inexpensive, and it will bring back the functionality of your key fob.
Open the case of your key fob by inserting a flat tool such as an screwdriver or coin into a notch in the case. This will open the two halves of the key fob's case. On the back of one of the key fob halves, you will find a circuit board and a battery. Gently lift the circuit board to reveal the battery, and then remove it from the case. Note down (or snap a picture) of the kind of battery it is, and how it is placed in the case, so you can find an alternative.
Replace the battery with a new CR 2032 3V battery, and place it in the key fob with the negative side facing downwards. Reassemble the case and test the keyfob to confirm that it is working. If it's still not working then repeat the test to ensure that the connections and battery are in contact. If the key fob still doesn't work after all this, it might need to be programmed.
Case
The case of your Toyota keyfob may need to be changed periodically. This could happen when the key fob is damaged in any way or if the battery is dying. The replacement of a Toyota key fob case is quite simple. You can purchase an additional case from your local hardware store or on the internet. However replacing the electronics inside is a bit more difficult. Contact the Toyota dealership for more assistance.
To begin first, you need to remove the key from the case. This is usually accomplished by pressing an appropriate button or sliding a latch. Once the key has been removed then look for a small slot or notch on the inside of the case. Open the case by inserting a flat tool, such as a small screwdriver into this notch. Once the case is opened, carefully lift up the circuit board in order to expose the battery. Note down what kind of battery it is, and where it sits inside the case, as you will have to replace the battery.
Most Lakeland stores sell new batteries. You could use the old battery or a picture of it, to assist you on the purchase of a new. Once you have the replacement battery, carefully insert it inside your key fob. Then, test it to confirm that it works.
Electronics
The electronic components of the key fob will allow it to unlock your vehicle and start the engine. These components comprise a transmitter, a receiver, and the physical key itself. They are all powered by the battery in your key fob. If the battery is damaged it will not be capable of accessing your vehicle. Luckily, it's simple for motorists to replace the battery in their Toyota key fobs. This will make them function properly and reduce the chance of theft.
If your key fob won't work it could be due to a faulty module. These modules are less delicate than the transponder in the replacement key for Toyota and can be easily replaced at a lower cost. To ensure that the replacement process is completed correctly, it is important to choose a key repair shop that has extensive experience in this field.
In order to replace the battery in your Toyota key fob, you'll have to remove the case. This is accomplished by inserting a flat-edged tool such as an a miniature screwdriver or coin into a prominent notch on the case. Once you have inserted the tool, you'll have to gently separate the two parts of the key fob case. After the case is separated, you can remove it and see the battery. Photograph the battery to match it to the new one when you buy the replacement.
After you have removed the battery from the old one and replaced it with a new CR 2032 3V battery with the negative side up. Make sure that the new battery has the same cell type as the previous. Once you have the new battery, reassemble the case and test it. If your key fob won't function after reprogramming it the device, it may require replacement. This must be handled by a professional. Therefore, it is recommended that you have this done by an authorized Toyota dealer.
Programming
If your key fob doesn't work after replacing the battery, it could be the circuit board. In this case, it's best to purchase the whole new Toyota key fob. You can purchase one on the internet or from a locksmith at the dealership. If you're comfortable making it your own try to modify the key using these steps:
You will need an uncut Toyota Transponder Key. This can be obtained from the dealer, a locksmith or an online retailer. After you have a new transponder, you need to insert it into the ignition, but do not turn it. Press and release the brake pedal and the gas pedal simultaneously. Do this for 20 seconds or until the dashboard security light turns off. You can then replace the original key and test it to make sure it is working.
Toyota key fobs come with an intricate system that utilizes different signals to communicate with the car. These keys are designed to only work with the vehicle that they are inserted in. Reprogramming these keys is time-consuming and expensive, as they must meet legal requirements.
You may need the circuit board of your toyota replacement key fob to be reprogrammed by an auto dealer if it's not working. This is not a cheap option, but it can ensure that your car key works effectively and stops theft. If the problem is not caused by a damaged battery, it can be more expensive to repair than replacing the whole key fob.
If your Toyota aygo key fob battery is dead or is no longer working it is possible to replace it with a new battery. car keys toyota 's a simple procedure however, you'll need a special tool in order to get to the inner workings of your toyota key fob. To open the case, you will need to remove the clip from the back of the key fob. Then, gently pull the case off. Replace the old battery by the new CR2032 battery. Be sure to install it correctly. After you have put in the battery, close the case by snapping it shut.