Replacing a Toyota Key Fob
Your Toyota key fob is loaded with a lot of complex technology that allows it to work. This includes remote locking and smart keys among other options. It's not a surprise that it can malfunction.
It's easy and inexpensive to replace the battery on your Toyota keyfob. Follow the steps below.
Battery
Toyota key fobs are powered by a small battery that powers the electronics and transponder chip that unlocks your vehicle. When you use your key fob it will eventually degrade, and it will need to be replaced. It's easy and affordable to replace the battery on your Toyota key fob. This will restore the functionality.
Open the case of your key fob by inserting a flat tool like a screwdriver or coin into a notch in the case. The two parts of your key fob can be separated using this tool. On the back of the key fob's back, you'll see a circuitboard and an battery. Gently lift the circuit board to reveal the battery and then remove it from the case. Note down (or take a picture) of what kind of battery it is and how it sits in the case, so you can locate the replacement.
Replace the old battery with a new CR2032 3V and then insert it inside 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, it may require a program from a certified dealer.
Case
The case of your Toyota key fob might need to be changed every now and then. The key fob may be damaged or the battery may fail. Replacing the Toyota key fob case is quite simple. You can locate a replacement case online or at an in-store hardware store. However replacing the electronics inside is a bit more complicated. Contact the Toyota dealership for further assistance.
To begin with it is necessary to remove the key from the case. This is usually done by pressing an a key or sliding an latch. After you have removed the key then look for a tiny slot or notch on the outside of the case. Use a flat tool, like a screwdriver in this notch and then open the case. After the case has been opened and the circuit board is lifted, gently lift the board to expose the battery. Note the type of battery and where it is inside the case. You'll need to replace it.
You can purchase a new battery at most Lakeland stores. You can use the battery you have, or a photo of it, to assist you to purchase a replacement. Once you have your replacement battery, carefully insert it in your key fob. Then check it out to ensure that it functions.
Electronics
Your key fob's electronic components are what allow it to unlock your vehicle and start the motor. These components include the transmitter, receiver and the physical key. These devices are all powered by the battery that is in your key fob. If the battery is damaged, you will not be capable of accessing your vehicle. Thankfully, it is fairly easy for people to replace the battery on their Toyota key fobs. This will restore the function of your key fobs and help prevent theft.
If your key fob does not function, it could be because of an inoperative module. These modules are less prone to damage than the transponder in the replacement key for Toyota and can be replaced for a lower price. To ensure that the replacement is carried out correctly, it is essential to use a key repair shop with years of experience in this field.
In order to replace the battery on your Toyota key fob, you'll need to open the case. Insert a flat tool, such as a screwdriver mini-screwdriver, or a coin into the notch visible on the case. After inserting your tool, you will have to gently pull apart the two sides of the key fob case. Once the case is separated from the circuit board and view the battery. Take a picture of the battery to match it with the new one when you purchase the replacement.
After removing the old battery, replace it with a new CR2032 3V battery. Make sure that the negative side is facing down. Make sure the new battery is the same model as the previous one. Once you have the new battery in the case, you can reassemble it and test it. If the key fob does not work after reprogramming, it might need to be replaced. It is recommended that you bring your vehicle to an authorized Toyota dealer to have this professionally done.
Programming
If you have replaced the battery on your key fob, but it still doesn't work the issue could be with the circuit board. In this case you'll need to buy the new Toyota key fob. You can get one from a dealer, a locksmith, or online. You can reprogram your key yourself if you're comfortable.
You'll need an uncut Toyota Transponder Key. You can purchase it from a dealer, locksmith, or online. Insert the new transponder into the ignition without turning it. Press and release the brake pedal and the gas pedal at the same time. toyota spare key should take about 20 seconds or until the security light on the dashboard goes off. It is now time to replace the original key and test it.
Toyota key fobs make use of a complex system to communicate with automobiles. They are made to communicate only with the vehicle they are inserted into. This is why reprogramming them could be costly and time-consuming, since they must conform to the lawful requirements.
It is possible that you need the circuit board of your Toyota replacement key fob to be reprogrammed by an auto dealer if it's not working. This isn't a cheap alternative, but it will ensure that your car key works properly and prevents theft. If the issue isn't caused by a defective battery, it can be more expensive to fix than replacing the entire key fob.
You can replace the battery on your toyota key fob when it is not working or has was damaged. The procedure is straightforward but requires a specialized tool to gain access to the inner workings of your car's toyota key fob. To open the case, you have remove the clip on the back of the fob and then gently pull it apart. Replace the old battery by the new CR2032 battery. Make sure you install it correctly. After inserting the battery the case, you must close the case and snap it shut.