SymbolDescriptionF23/1Control Module BoxK40Relay Module (HFM-SFI, HFM-SFI With Air Pump, ME-SFI, EDC, Base Function)M2/2Module Box Blower Motor (Engine 112 Only)N3CFI Control Module (IFI, DFI, HFM-SFI, ME-SFI, PEC)N47Traction System Control ModuleX11/4Data Link Connector Mercy CLK320 2004 Main Fuse Panel/Board – Fuse Symbol Map