How to Use Honda HDS Program New Key for Honda Odyssey 2008

When the Honda ECM/PCM is replaced, it is necessary to be recognized a code each other to the ECM/PCM and the Immobilizer Control Unit-Receiver with the HDS. Also, the vehicle with Keyless Access System needs to be recognized a code each other to the ECM/PCM and Keyless Access Control Unit. Otherwise, the engine cannot be started.

Preparations:
How to Install Honda HDS Software for DIY
Newest Honda HDS V104 V102  Free Download
Honda HDS 3.104.002+I-HDS+ECU Rewrite+Immobilizer Tool
Procedures:
System Selection Menu, click [IMMOBI]
Note:Not all systems may be available on this vehicle.Refer to the Service Manual for further information.

Click [Replace ECM/PCM]
IMPORTANT:
For vehicles equipped with Keyless Access System,use the actual immobilizer key in the remote to register and diagnose the system.

Press tick to continue
Obtain PCM-code from MaRIS2/GENPO/Distributor

Input PCM-code and Press tick to continue

 PCM-code to use [Acura code Generator] calculated.

Turn the ignition switch off

Turn the ignition switch on

Turn the ignition switch off. The registration of immobilizer codes into the Immobilizer unit has been completed.

Press tick to continue Check all keys to ensure each will start the engine

Is this vehicle equipped with a KEYLESS ACCESS Remote System?
Click [NO]

The registration is complete.Press tick to continue

Done!
https://www.autoepccatalog.com/product/honda-hds-diagnostic-software-i-hds-ecu-rewrite-immobilizer-tool/