Lexus RX III facelift (2012-2015) Horn circuit

ENGINE ROOM J/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) GRY WIRE HORN HORN ASSEMBLY (HIGH PITCH) (LEFT FRONT OF ENGINE COMPT) HORN ASSEMBLY (LOW PITCH) (RIGHT FRONT OF ENGINE COMPT) HORN FUSE HORN RELAY HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) MAIN BODY ECU RED WIRE SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY HORN SWITCH WHT WIRE