w211 diagnostic socket battery drain

Discussion in 'Electronics' started by 4life211, Oct 5, 2016.

  1. 4life211

    4life211 Hardcore MB Enthusiast

    Messages:
    290
    Joined:
    Jul 14, 2015
    Car:
    mercedes 211
    My E270 cdi 2003 had battery drain .When tested with amp meter it drops to 0.18A.then I followed the procedure of removing all fuses 1 by 1 .The fuse of "Diagnostic socket" seems to be the one ,it drops to 0.03-0.08A .Why is Diagnostic socket cause this problem ???
     

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