How to diegnoce the auto trunk system on a 2005 W211 E320 Tested Motor it works. on 2005 Mercedes-Benz E320

Motor works both ways Up and Down when i by pass computer. But will not work with keyless entry or swathes in trunk or car door. could any one tell me the truck lid angel switch in put and out put Voltage and MV and any other perameters to the system so i can Repair it.

Asked by for the 2005 Mercedes-Benz E320