How to use OBDSTAR X300 Pro3 program Toyota H chip remote key?

OBDSTAR X300 Pro3 Key Master Pro3 supprot program Toyota H chip remote key,program a remote with a chip H (47).

KD900 Remote Maker to make a remote

Obdstar X300 Pro3 to program a H chip key

Two keys- right: original, left: new to be programmed

obdstar x300 pro3

Test process:

First make a remote key with the KD900 and insert the chip H (47)

Then, program the chip through obdstar key master

Select Immobiliser-> Toyota/Lexus-> Toyota/Lexus v31.03


Loading software…Then select Immobiliser-> Type 2 (with G/ H)-> Add a key

obdstar key master

obdstar key master

1 master key is needed to erase or add other keys!

How to identify a master key and a valet key?

Insert the key into ignition switch, if the immobiliser light isn’t bright, that is the master key; if it is bright for a second and then extinguished, that is the valet key.

obdstar key master

So insert the programmed master key, and switch ignition on, then press Enter to continue

obdstar x300 pro3

Insert to match the key and keep the ignition switch off and wait until about 60 seconds until the anti-theft lights go out and the matching is done


Insert a new key wait until the security light goes off (need 60s)

Next, program the remote, also with OBDSTAR Key Master

Go to Immobiliser-> Add a key-> Type 2 (with G/ H)-> Remote-> Type 1

obdstar x300 pro3

Communication breakdown:

  • 1 ignition switch is turned on
  • 2 mainline is connected
  • 3 battery has power
  • 4 is equipped with this system…

obdstar key master

Select Remote-Type 2.Add remote.

Switch ignition on and open the driver door

Press LOCK and UNLOCK together for a sec within 30 sec, press LOCK once

x300 pro3

Successfully program a remote!