Backup lamps circuit for Lexus GS IV facelift (2015-2020)

A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) ACCESSORY METER ASSEMBLY BACKUP BACKUP FUSE BACKUP LP RELAY BLK WIRE BLU WIRE DIODE (A/T SHIFT) GRN WIRE LEFT REAR LIGHT ASSEMBLY LUGGAGE ROOM J/B ASSEMBLY PARK/NEUTRAL POSITION SWITCH ASSEMBLY RED WIRE RELAY 1 ENERGIZED RELAY 2 ENERGIZED REV RH ECU-IG 2 FUSE RIGHT COWL SIDE J/B RIGHT REAR LIGHT ASSEMBLY T/P TRANSMISSION CONTROL ECU ASSEMBLY WHT WIRE WHT/BLK WIRE