Here is the guide on programming Toyota RAV4 2021 8A (P1:AA) proximity smart key All Keys Lost without changing PEPS module, just use Lonsdor K518ISE Key Programmer and Lonsdor ADP Adapter. All keys lost requires LKE emulator as well.
The procedure is the same as previous post:
Lonsdor ADP Adapter Manual: Backup IMMO, Add Key and Delete Key
Follow k518 instruction to connect ADP adapter with vehicle and connect PIN cable with PEPS module
1.Backup IMMO data
In K518ISE menu, go to Immo & Remote- Toyota- Select from type- All smart key lost (2016-)- 8A
First Backup Immo Data
Detect serial number
Calculating and save data
Backup immo data successfully.
2. Generate LKE emulator
Insert LKE emulator into K518ISE
Load backup data to generate an emergency key in AKL situation.
This function requires network connection
Select the backup data
Reconnect car original cable
The emulator can start the car
3. Generate remote
Generate geniune smart remote key 315MHZ 8990H-0R030
Turn ignition off and turn on two emergency lights
Load D-flash data of PEPS to acquire 12-bit PIN
Register key success
follow k518ise prompt to learn key
1). Hold the registered LKE key close to the Start button, the buzzer beeps once, take the key away from the button
2). Hold the smart ley to be registered close to the Star button, the buzzer beeps twice, take the key away from the button.
To program more keys, repeat step 2).
Finally car and remote work successfully. Done.