From March 2005 onwards, the telephone system in Korea is set up as follows: The connection between the TCU control module and the Bluetooth-capable snap-in adapter is a radio connection with Bluetooth standard. The connection between the snap-in adapter and the mobile phone is a wire connection.
So that the Bluetooth connection between the control module and the snap-in adapter works, the snap-in adapter has to be registered once at the TCU control module.
Procedure
The snap-in adapter is registered using the DIS tester. For the entire duration of the registration, a switched-off mobile phone must be inserted in the snap-in adapter.
First of all, the Bluetooth passkey of the snap-in adapter must be entered at the DIS tester. This 4-digit number is located:
Then the connection between the snap-in adapter and the control module is set up automatically. The connection setup can take up to 2 minutes.