Replacing a Toyota Key Fob
Your Toyota key fob is loaded with advanced technology to make it work. This includes remote locking and smart keys, along with other features. It's not a surprise that things can go wrong with it.
Luckily replacing the battery on your Toyota key fob is easy and affordable. Follow the steps below.
Battery
Toyota key fobs contain a small battery that powers their electronics which includes the transponder chip, which allows you to unlock your car. When you use your key fob and the battery eventually wear out and it will have to be replaced. It is simple and inexpensive to replace the battery inside your Toyota key fob. This will restore the function.
Insert an instrument that is flat, such as a screwdriver or coin, into the notch on the case. The two parts of your key fob can be separated using this tool. On the side of one of the key fob's halves, you will find a circuit board and a battery. Lift the circuit board gently to expose the battery and then remove it from the case. Make a note (or take a photo) of what kind of battery it is and how it fits in the case, so you are able to find an alternative.
Replace the old battery with a brand new CR 2032 3V battery and place it in the key fob with the negative side facing down. Reassemble the case and test the keyfob to confirm that it is working. If it doesn't work, repeat the process, double-checking that the connections are in good order and making contact with the battery. If the key fob still doesn't work, it may require a program from a certified dealer.
Case
Sometimes the case of your Toyota key fob will require replacement. The key fob may be damaged or the battery could be dead. Replacing the Toyota key fob case is quite simple. You can buy an additional case from your local hardware store or online. However replacing the electronics within is a bit more complicated. Contact the Toyota dealership for further assistance.
In the beginning first, you need to take your key out of the case. This is usually accomplished by pressing a key or sliding the latch. Once the key has been removed you will find the small notch or slot on the inside of the case. The case can be opened by inserting a flat tool like a small screwdriver into this notch. Once the case is opened, carefully lift the circuit board to reveal the battery. Note the kind of battery and the location in the case. You'll need to replace it.
You can buy a new battery at a majority of Lakeland stores. Make use of the old battery or photo as a guide to ensure that you purchase a replacement battery that is the same type. Once you receive the replacement battery, carefully insert it into your keyfob. Then, test it to confirm that it is working.
Electronics
The electronic components of the key fob tells it to unlock your car and start the engine. The components comprise a transmitter, a receiver, and the actual key itself. These devices are all powered by the battery inside your key fob. If the battery is damaged, you will not be able to access your vehicle. Luckily, it's easy for drivers to replace the battery on their Toyota key fobs. This will restore their function and eliminate the possibility of theft.
If your key fob won't work, it could be because of an issue with the module. replacement toyota key to the transponder chip that is found in a Toyota aygo replacement key they aren't as delicate and can be replaced for a less cost. To ensure that the replacement is done correctly, it is essential to choose a key repair shop with extensive experience in this field.
In order to replace the battery on your Toyota key fob, you will have to open the case. This is done by inserting a flat-edged tool like an a miniature screwdriver or coin into a prominent cut-out on the case. After you have inserted the tool, you need to gently pull the two halves of the case apart. After the case has been separated from the circuit board to reveal the battery. Take a picture of the battery and compare it with a new one in case you have to replace it.
Once you have removed the battery from the old one, put in a new CR 2032 3V battery with the negative side facing down. Make sure the new battery is of the same model as the previous one. Once you have the new battery in the case, put it back together and test it. If your key fob still does not work, it might need to be reprogrammed. It is recommended that you take your vehicle to an authorized Toyota dealer to have this professionally done.
Programming
If your key fob still isn't working after replacing the battery it could be due to the circuit board. In this instance you need to purchase the new Toyota key fob. You can buy one online, from a locksmith or at the dealership. You can program your key yourself if you are comfortable.
First, you need to have a blank Toyota transponder key. It can be purchased through a dealer, locksmith, or an online source. Once you have a brand new transponder key, you can insert it into the ignition, but do not turn it. Press and release the brake pedal as well as the gas pedal simultaneously. Repeat this for up to 20 seconds or until the dashboard security light turns off. Now you can replace the original key and check to see if it works.
Toyota key fobs utilize a complex system to communicate with automobiles. They are designed to work only with the vehicle that they are inserted in. This is the reason why reprogramming them can be costly and time-consuming as they must comply with the legal requirements.
You may need the circuit board on your Toyota replacement key fob reprogrammed by an auto dealer if it is not working. This is not an inexpensive option, but it can ensure that your car keys function effectively and stops theft. If the issue isn't caused by a malfunctioning battery, it may be more expensive to fix than replacing the whole key fob.
You can replace the battery inside your toyota key fob in the event that it has stopped working or was damaged. It is a simple process however, you'll need a specific tool to access the inner workings on your toyota key fob. To open the case, you must remove the clip from the back of the key fob. Then, gently pry the case off. Replace the old battery by an CR2032 replacement battery. Be sure to install it correctly. After you have placed the battery in the case, close it with a snap.