Lexus GS III facelift (2007-2011) Back-up lamps circuit

11 8 4.6L 3.5L 3.5L BACKUP LIGHT BLK WIRE BLU WIRE BODY ECU BRN WIRE CANL CANH ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER ENGINE ROOM R/B 1 FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) HOT AT ALL TIMES HOT IN ON OR START LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL LEFT COWL SIDE J/B (BEHIND BODY ECU LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT REAR COMBINATION LAMP LH-IG FUSE SIDE J/B (BEHIND LEFT SIDE OF DASH) LUGGAGE ROOM J/B ECU ECUB MPX-B FUSE ORG/ WIRE P-GND PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT REAR COMBINATION LAMP ROOM J/B RR+B RR-B FUSE ST-PLUG W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE