Horn circuit for Toyota Avalon XX40 (2012-2015)

BLK WIRE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HIGH PITCHED HORN ASSEMBLY HORN FUSE HORN RELAY HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) LOW PITCHED HORN ASSEMBLY (LEFT FRONT OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE MAIN HORN BODY ECU (ATTACHED TO INSTRUMENT PANEL J/B) SPIRAL CABLE HO SUB ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH HORN SWITCH ASSEMBLY WHT WIRE