How to Substitute the PCM

How to Substitute the PCM
1. Connect the Honda PGM Tester or HDS to the DLC.
2. Turn the ignition switch OFF.
3. Jump the SCS line with the Honda PGM Tester or HDS.
4. Remove the PCM, and install a known-good PCM.
5. Rewrite the immobilizer code with the PCM replacement procedure in the Honda PGM Tester or HDS; this will allow you to start the engine.
6. After completing your test, reinstall the original PCM and rewrite the immobilizer code with the PCM replacement procedure in the Honda PGM Tester or HDS again.