This article provides a step-by-step guide about 2023 Toyota BZ3 EV all keys lost programming by KEYDIY KD-X4 5-in-1 key programmer.
Step 1: Module Removal and Chip Preparation
Begin by successfully removing the necessary electronic module from the vehicle.
Carefully desolder the octagonal chip from the vehicle module.
Solder this octagonal chip securely onto the designated adapter board.
Step 2: Device Connection and Data Reading
Enable the OTG function on your mobile phone and connect the OTG cable correctly.
Connect the adapter board (with the chip) to the cable and ensure KD-X4 device is powered on.
Open the IMMO Programming application and select KD-X4/KD Prog Mini.
Navigate to Read File -> Read EEPROM 95XXX Chip.
Select the correct chip type, which is 95640, and start the reading process.
Once the reading is successful, save the data file.
Step 3: Module Reassembly and Key Programming
Desolder the octagonal chip from the adapter board and restore it to the original vehicle module.
Reinstall the module back into the vehicle.
In the IMMO Programming tool, navigate to Make Dealer Keys -> Generate Emergency Key for Toyota-> BZ3 Dealer Keys
Choose the data file you saved in the previous step.
Initiate the key programming process. Wait for the “Generate successfully” message.
Step 4: Final Functional Test
After a successful match, test the new key’s functionality thoroughly:
Remote Control: Verify that the lock/unlock buttons operate normally.
Ignition/Start Function: Confirm that the vehicle starts without any issues.
Conclusion:
Following these steps will result in a fully functional key for 2023 Toyota BZ3 using KD-X4 key programmer.
