Lexus ES XV60 (2012-2015) Vehicle proximity notification circuit

+ECU 1 2 3 4 5 6 7 8 9 10 11 12 IG STP SP+ BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM (CENTER OF DASH) ECU-ACC FUSE ENGINE OIL PRESSURE SWITCH ASSEMBLY (LEFT FRONT OF ENGINE) FUSE GRY WIRE INSTRUMENT PANEL J/B (LEFT END LT GRN WIRE MAIN BODY ECU OF DASH) OF FRONT GRILLE) PNK WIRE RED WIRE RELAY ENERGIZED SETP OPSW SFTP SKID CONTROL ECU W/ ACTUATOR (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) SPD GND SP- VEHICLE APPROACHING SPEAKER ASSEMBLY (BEHIND LEFT SIDE VEHICLE APPROACHING SPEAKER CONTROLLER (RIGHT END OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE