Lexus HS I (2009-2012) Horn circuit

A/C PANEL J/B FUSE (LEFT SIDE OF DASH) BATT HRNL HRNH HNSW BLK WIRE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B GRY WIRE HIGH PITCHED HORN ASSEMBLY HORN SWITCH HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT INSTRUMENT (LEFT FRONT OF ENGINE COMPT) PANEL J/B (LEFT SIDE OF DASH) INTEGRATION RELAY LOW PITCHED HORN ASSEMBLY (LEFT FRONT OF RADIATOR) P/I 2 FUSE (LEFT SIDE OF ENGINE COMPT) SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE