Blind spot monitoring circuit for Lexus GS IV facelift (2015-2020)

1) LEFT TURN 2) LEFT LANE CHANGE 3) NEUTRAL 4) RIGHT LANE CHANGE 5) RIGHT TURN BLB BLGD BLIND SPOT MONITOR BLIND SPOT MONITOR BUZZER BLK WIRE BLK/RED WIRE BLU WIRE BRB BRGD BSL+ BSMI BSMI BSR+ BZN BZP CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 2 ASSEMBLY GAUGE FUSE GRN WIRE GRY/RED WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY LED DRIVER LEFT BLIND SPOT MONITOR SENSOR LEFT COWL SIDE J/B LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER REAR VIEW MIRROR ASSEMBLY LH-IG FUSE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY OMIL OMIR ORG/ WIRE PNK BUZ WIRE PNK WIRE REAR CROSS TRAFFIC ALERT BUZZER RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RIGHT BLIND SPOT MONITOR SENSOR RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT OUTER REAR VIEW MIRROR ASSEMBLY TELLTALES TURN SWITCH UB (LEFT SIDE OF LUGGAGE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE