Horn circuit for Toyota Sienna III facelift 2 (2017-2020)

BLU 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 LOW PITCHED HORN ASSEMBLY LT GRN WIRE MAIN BODY ECU RED WIRE SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY W/ HEATED STEERING WHEEL SYSTEM W/O HEATED STEERING WHEEL SYSTEM