This article show a demo on how to use CGDI MB to clean ISM DSM ESM for Benz W164.   Procedures: Remove the ISM/DSM/ESM from vehicle Automatic Transmission Module Automatic Transmission Module connector pin Run the CGDI MB Prog software,click “Auto Computer”–>”Type W164”–>”ISM/DSM/ESM” Select “Wiring Diagram” Then it will show the wiring diagram to you.