Immobilizer-Keyless Control Unit Registration

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Have all registered keys and the 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, and check that the door locks operate using the Immobilizer key transmitter.