Wednesday, 4 June 2025

Lonsdor K518 Pro Add 2016 Toyota RAV4 8A All Smart Keys Lost

 How to program a smart key to 2016 Toyota RAV4 8A (all keys lost) using Lonsdor K518 Pro?

It’s easy to operate via OBD. Require Lonsdor Simu-Antenna and LT20 Smart Key (LT20–04) to work with the device.

Check the step-by-step guide below.

1.Connect device and vehicle

Connect the K518 Pro key programmer to the vehicle’s OBD port via the OBD cable

Power on the device and ensure internet connectivity

2.Convert Smart Key

Navigate to:

Special Functions > Key Settings > LT20 Smart Key > Convert Smart Key Type


Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost

Select the following options:

Key Type

Generate 8A

Key type

PKE frequency


Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost

Set the key button according to the key position of the original car key


Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost

Generate key successfully


Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost

3.Backup EEPROM Data

Navigate to:

Immo & Remote-> Toyota-> Select from type-> All smart key lost-> Type 1 (-2016)-> 8A (P4 88 A8_39)-> Backup EEPROM Data

Enter filename to save the data

Backup data success


Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost

4.Generate emergency key

Select Generate emergency key (PRO Antenna)

Connect the simu-antenna and place the Antenna’s top in the card slot of Lonsdor K518 Pro

Load the saved EEPROM file and confirm details

Generate emergency key successfully


Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost

5.Add smart key

Ensure the smart key battery is full charge.

Hold the emulator key near the ignition until the dashboard lights up.

Register the new key:

  • Place the new key near the Start button until the buzzer beeps once.
  • Within 30 seconds, hold it again until the buzzer beeps twice.

Operation completed!

The registered key count shows 2.


Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost
Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost

6.Verify:

Test ignition and remote functions with the programmed Lonsdor LT20 Smart Key PCB


Lonsdor K518 Pro Programs 2016 Toyota RAV4 All Keys Lost

Important Notes:

  • Internet access is required for key generation.
  • Always backup EEPROM data before programming.
  • Abort the process if errors occur and retry.
  • For 2016 RAV4, use 8A (P4 88 A8_39) protocol.

www.obdexpress.co.uk

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