How to Replace a Toyota Key Fob with Isun Manufacturer

iSun

·July 19, 2024

·5 min read

A functional key fob ensures convenience and security for your vehicle. Without a working key fob, accessing your car becomes a hassle. The Isun manufacturer offers a reliable solution for those needing a Toyota key fob replacement. Isun specializes in high-quality car key products, including the innovative LCD smart car key. With over 50 years of experience, Isun has built a reputation for advancing technology. The company provides durable and efficient replacements, ensuring your vehicle remains secure and accessible with their LCD smart car key options.

Tools and Materials Needed

List of Necessary Tools

Screwdriver

A screwdriver will help you open the key fob case. Choose a small, precision screwdriver to avoid damaging the screws.

New Battery

A new battery ensures that your key fob functions properly. Check the old battery for the correct type before purchasing a replacement.

Isun Key Fob

An Isun Key Fob serves as the replacement for your old Toyota key fob. Isun offers high-quality and durable options.

Additional Materials

Small Container for Screws

A small container keeps the screws organized. This prevents losing any small parts during the replacement process.

Cleaning Cloth

A cleaning cloth helps remove any dust or debris from the key fob components. Clean parts ensure better performance and longevity.

Step-by-Step Replacement Process

Removing the Old Key Fob

Locating the Key Fob

Find the old key fob. Look in your pocket, bag, or any place where you usually keep keys.

Detaching the Key Fob from the Key Ring

Hold the key ring. Use your fingers to slide the key fob off the ring. Place the old key fob on a flat surface.

Opening the Key Fob Case

Identifying the Screws

Examine the key fob case. Look for small screws holding the case together. These screws usually sit on the back of the key fob.

Using the Screwdriver to Open the Case

Take a precision screwdriver. Insert the screwdriver into the screw heads. Turn the screwdriver counterclockwise to remove the screws. Place the screws in a small container to avoid losing them. Gently pry open the key fob case with the screwdriver.

Replacing the Battery

Removing the Old Battery

Locate the old battery inside the key fob. Use your fingers or a small tool to lift the battery out of its compartment. Dispose of the old battery properly.

Inserting the New Battery

Take the new battery. Check that the new battery matches the old one in size and type. Place the new battery into the compartment. Ensure the battery sits securely in place.

Programming the New Key Fob

Accessing the Car's Programming Mode

To program the new key fob, start by entering the car. Insert the existing car key into the ignition. Turn the key to the "On" position. Do not start the engine. Open the driver's door. Close the driver's door. Repeat this step twice. The car will enter programming mode.

Synchronizing the New Key Fob

With the car in programming mode, press the "Lock" button on the new key fob. Hold the button for a few seconds. Release the button. The car's locks will cycle to confirm synchronization. Repeat the process for any additional key fobs. Turn the ignition off. Remove the key from the ignition. Test the new key fob to ensure proper programming.

Testing the New Key Fob

Checking the Lock and Unlock Functions

Stand near the car. Press the "Lock" button on the new key fob. Observe the car's locks. The locks should engage. Press the "Unlock" button. The locks should disengage. Repeat the process several times to ensure consistency.

Ensuring the Key Fob Works from a Distance

Move a few steps away from the car. Press the "Lock" button again. The car's locks should respond. Walk further away. Test the "Unlock" button. The new key fob should work from a reasonable distance. Confirm that the key fob functions properly from various angles and distances.

Troubleshooting Common Issues

Key Fob Not Responding

Checking the Battery Installation

Ensure the battery sits correctly in the compartment. A misaligned battery can prevent the key fob from working. Check the battery's orientation. The positive and negative sides must match the markings inside the compartment.

Reprogramming the Key Fob

Sometimes, the key fob may need reprogramming. Follow the specific programming instructions provided by the manufacturer. Insert the car key into the ignition. Turn the key to the "On" position without starting the engine. Open and close the driver's door twice. Press the "Lock" button on the key fob. Hold for a few seconds. Release the button. The car locks should cycle to confirm successful programming.

Issues with Synchronization

Ensuring Proper Programming Steps

Verify that all programming steps were followed correctly. Each step must be completed in the correct order. Missing a step can cause synchronization issues. Repeat the programming process if necessary.

Consulting the Car's Manual

Refer to the car's manual for additional guidance. The manual provides detailed instructions for key fob programming. Follow the manual's steps precisely. If problems persist, consider seeking professional help.

Replacing a Toyota key fob with an Isun manufacturer involves straightforward steps. Gather the necessary tools and materials. Remove the old key fob. Open the case. Replace the battery. Program the new key fob. Test the functions.

Seek professional help if issues arise. Incorrect programming steps or faulty components may require expert assistance.

Refer to additional resources for further guidance. Manuals and online tutorials provide valuable information. Ensure your key fob works efficiently and securely.