Programming Immobilizer-Keyless Control Unit

Have all registered keys and the ECM/PCM code.
Connect the HDS to the data link connector (DLC).
Turn the ignition switch to ON (II).
Select IMMOBI from the System Selection Menu, then select IMMOBILIZER SETUP.
Select REPLACE IMMOBILIZER RECEIVER/CONTROL UNIT.
Do the registration according to the instructions on the HDS screen.
Check that the engine can be started with all registered keys check that the door locks operate using the immobilizer key transmitter.