1.Connect your X431 Diagun IV Dongle 2.Select Right Area and car model- Asia-Nissan 3.16 Pin (All of OBD2 port support 16 pin) 4.Maintenance 5. Manual selection test 6. Wait it communicating until the process to 100% 7.After replacing or installing operation 8.replace ECM (used part) 9.Read the password Old one(before 2010) 5551 New Password(after… Continue reading Advance diagnosis Reset a used Nissan ECM (Get Pin code)