Lexus RX IV (2015-2019) Horn circuit

BLK WIRE ENGINE ROOM R/B GRN WIRE HIGH PITCHED HORN ASSEMBLY HORN HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LOW PITCHED HORN ASSEMBLY MAIN BODY ECU SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY WHT WIRE