Lexus SC II (2001-2005) Horn circuit

BLK WIRE BLU WIRE COMBINATION SWITCH +B HORN SWITCH COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) ED (REAR OF LEFT FENDER) ENGINE ROOM 1 R/B HORN FUSE (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) FRONT CONTROLLER GRN WIRE GRN/YEL WIRE HORN RELAY HORN RLY HOT AT ALL TIMES JUNCTION CONNECTOR 3 (IN ENGINE ROOM 2 R/B) LEFT HORN MPX ORG/ WIRE PNK WIRE RED WIRE RIGHT HORN SECURITY FUSE WHT WIRE YEL WIRE