Lexus GS IV facelift (2015-2020) Horn circuit

BLK WIRE BLU WIRE ENGINE ROOM R/B 2 ASSEMBLY GRN WIRE HIGH PITCHED HORN ASSEMBLY HORN HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES LEFT COWL SIDE J/B LOW PITCHED HORN ASSEMBLY MAIN BODY ECU PNK WIRE SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY