Lonsdor LT20 8A+4D Toyota & Lexus Smart Key divides into three kinds of keys: Lonsdor LT20-01, LT20-04, and LT20-08. They support different series boards. All can be used to work with Lonsdor K518 Key Programmer and Lonsdor KH100P to convert smart key chip type and generate remote, etc.
Lonsdor LT20-01 8A+4D Toyota & Lexus Smart Key
Src: https://www.eobdtool.co.uk/wholesale/lonsdor-lt20-01-8a-4d-toyota-lexus-smart-key.html
LT20-01 series boards:
| Board | P1 | Frequency (MHz) | Modulation | Pack | Buttons |
| 3370 | 98 | 312.00/314.35/315.12/433.92 | ASK | Bubble pack | Lock, unlock,
trunk, panic |
| A433 | 98 | 433.92 | ASK | Bubble pack | Lock, unlock,
trunk, panic |
| F433 | 98 | 433.92 | FSK | Bubble pack | Lock, unlock,
trunk, panic |
| 5290 | 98/78 | 312.00/314.35/315.12/433.92 | FSK | Bubble pack | Lock, unlock,
trunk, panic |
| 0140 | 94 | 312.00/314.35/315.12/433.92 | ASK | Bubble pack | Lock, unlock,
trunk, panic |
Shell fitting:
Lonsdor LT20-04 8A+4D Toyota & Lexus Smart Key
Src: https://www.eobdtool.co.uk/wholesale/lonsdor-lt20-04-8a-4d-toyota-lexus-smart-key.html
LT20-04 series boards:
| Board | P1/P4 | Frequency
(MHz) |
Modulation | Pack | Buttons |
| 0020 | P4 [00 00 88 88] | 314.35/315.10/312.09/
314.35/433.58/434.42 |
FSK | Bubble pack | Lock, unlock,
trunk, panic |
| 7930 | P1 [ 98 ] | 312.00/ 314.35/315.12/433.92 | FSK | Bubble pack | Lock, unlock,
trunk, panic |
| 2110 | P4 [00 00 A8 A8] | 314.35/315.10/312.09/314.35/
433.58/434.42/312.50/314.00 |
FSK | Bubble pack | Lock, unlock,
trunk, panic |
| 0010 | P4 [00 00 A8 A8] | 433.58/434.42/312.09/314.35 | FSK | Bubble pack | Lock, unlock,
trunk, panic |
Shell fitting:
Lonsdor LT20-08 8A+4D Toyota & Lexus Smart Key
Src: https://www.eobdtool.co.uk/wholesale/lonsdor-lt20-08-8a-4d-toyota-lexus-smart-key.html
LT20-08 series boards:
| Board | P4 | Frequency (MHz) | Modulation | Battery Holder | Buttons |
| 0410 | P4 [91 00 AA AA] | 433.58/434.42 | FSK | FT02 | Lock, unlock,
trunk, panic |
Shell fitting:
What’s the function of Lonsdor LT20 8A+4D Toyota & Lexus Smart Key?
They can perform the following functions with Lonsdor K518/KH100P.
1.Get Version InfoK
2.Read Button Type
3.Convert Button Functions
4.Unlock key
5.Upgrade Smart Key
6.Modify Frequency
7.Smart Key Copy (K518 supports, KH100+ doesn’t support)
8.Convert Smart Key Type
9.Modify Remote Count Data
10.Generate Emergency Key
Which Toyota/Lexus models are supported?
Toyota:
Camry (2015-2021)
Corolla (2015-2019)
C-HR (2019- )
RAV4 (2015-2021)
RAV4 (2008-2011)
Land Cruiser (2016-2021)
Highlander (2008-2013)
Levin (2015-2018)
Alphard (2015-2021)
IZOA (2019-2021)
Wildlander (2021- )
Prado (2008)
Alphard (2012- )
Yaris (2007- )
CROWN (2010-2014)
Lexus:
LS (2013-2016)
ES (2006-2012)
IS (2009-2015)
RX (2008-2015)
Tips and guide to use Lonsdor LT20 8A+4D Smart Key and K518ISE:
i.e. Lonsdor LT20-04 8A+4D Toyota & Lexus Smart Key PCB
Install a battery at the back of Lonsdor LT20 8A+4D smart key, press the button and the indicator will flash
Supply power to Lonsdor K518ISE tablet
Tap Push function>> Special functions>> Key settings>> LT smart key
Then you can see the function menu supported
Here we show the guide to get key version info and convert smart key type.
- Get version info
Select “Get version info” and place the smart key horizontally on the card slot of K518ISE Key Programmer
Tips:
If it appears the error “Failed to obtain key data, retry or not?”
Press “OK” and try with different positions.
Wait a moment, and it reads out the product ID, PSN, model number, status, version and frequency.
- Convert Smart Key Type
This function requires internet connection. Make sure the network is connected normally on the Lonsdor K518ISE Key Programmer.
Select “Convert Smart Key Type”
Keep the Lonsdor LT20 smart key in the card slot
There are two smart key types to select: Generate 8A and Generate 4D.
Tick one type you want and tap “Confirm”
Then select type of key (to be generated)>> select PKE frequency>> convert button type
For other functions, just select the corresponding item, and follow the on-screen prompts to do it one by one.
