Lexus RX III facelift (2012-2015) brn Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 BATT 120 46 2 25 27 NSW STA 26 77 78 79 80 19 18 17 PNK WIRE 34 25 38 27 10 11 MREL 55 56 57 58 59 60 VPA BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN (-) CAN (+) COMPUTER DATA LINES SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI MAIN EFI MAIN RELAY ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) ETA VCTA M+ M- FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LT GRN WIRE NCB NCO NTB NTO ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE SFTU SFTD CANH CANL SLU- SLU+ SLT- SLT+ STA NSW STP IGSW PNK WIRE STOP FUSE STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL ASSEMBLY) THROTTLE W/ MOTOR BODY ASSEMBLY (REAR LEFT SIDE OF ENGINE) TRANSMISSION CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) VCPA EPA PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BKUP LP FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) FUSE GAUGE 2 FUSE GRN/RED WIRE GRY WIRE HOT IN ON OR START IG+ PNK WIRE INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LEFT PADDLE LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (TRANSAXLE) PNK CANH WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE SFTD SFTU SHIFT DOWN SHIFT SWITCH SHIFT SWITCH RIGHT PADDLE SHIFT UP SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STAR STEERING PAD SWITCH ASSEMBLY TRANSMISSION CONTROL SWITCH (UNDER CENTER CONSOLE) W/ PADDLE SHIFT SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

15 16 17 18 19 20 STA PNK WIRE 21 22 23 24 CAN+ 26 77 78 79 80 19 18 17 PNK WIRE 34 25 38 27 10 11 MREL 55 56 57 58 59 60 VPA 6 7 8 9 10 11 12 13 14 BATT BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI MAIN EFI MAIN RELAY ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) ETA VCTA M+ M- FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RELAY ENERGIZED SFTU SFTD CANH CANL STOP FUSE STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL ASSEMBLY) THROTTLE W/ MOTOR BODY ASSEMBLY (REAR LEFT SIDE OF ENGINE) TRANSMISSION CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) VCPA EPA PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE LT BLU WIRE LT GRN WIRE NCB NCO NTB NTO OIL ORG/ WIRE PNK WIRE RED WIRE SLU+ STL- TRANSMISSION CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) VIO WIRE WHT WIRE YEL WIRE

BKUP LP FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) FUSE GAUGE 2 FUSE GRN/RED WIRE GRY WIRE IG+ PNK WIRE INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LEFT PADDLE LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (TRANSAXLE) PNK CANH WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE RELAY ENERGIZED SFTD SFTU SHIFT DOWN SHIFT SWITCH SHIFT SWITCH RIGHT PADDLE SHIFT UP SPRIAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STAR STEERING PAD SWITCH ASSEMBLY TRANSMISSION CONTROL SWITCH (UNDER CENTER CONSOLE) W/ PADDLE SHIFT SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

13 5 15 14 OSR OSE OSL PAWL MSW 2 5 4 1 RSSI DATA +5 GND 5 15 16 RCO RDA RSSI ASSEMBLY (BEHIND LEFT SIDE OF DASH) BACK DOOR CONTROL SWITCH BACK DOOR LOCK ASSEMBLY (LOWER CENTER OF BACK DOOR) BACK DOOR OPENER SWITCH ASSEMBLY BLK WIRE BLU WIRE BRN WIRE BZR CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) COMPUTER CANN CANP DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CTY DLSW DOOR CONTROL RECEIVER DOOR CONTROL SWITCH ASSEMBLY ECU-B 1 FUSE FSW+ GRN WIRE GRY WIRE HAF HOT AT ALL TIMES HOT IN ON OR START MAIN BODY ECU FUSE HZSW IG (LEFT REAR OF LUGGAGE COMPT) ECUB GND INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT POWER BACK DOOR SENSOR (LEFT SIDE OF LIFTGATE) LOCK LT BLU WIRE LT GRN WIRE PBDS PNK 1 2 WIRE PNK 23 22 9 10 13 16 WIRE PNK FUL WIRE PNK WIRE POS POWER BACK DOOR MAIN SWITCH POWER BACK DOOR UNIT ASSEMBLY (LEFT REAR OF ROOF) RED WIRE RIGHT POWER BACK DOOR SENSOR TURN SIGNAL FLASHER ULSW VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

23 24 PNK COMPUTER DATA LINES SYSTEM CANH CANL WIRE 4 1 3 SIG ES MPX PNK WIRE 40 26 19 24 IG IG PNK PNK WIRE ACAN AUTO BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY FR WASH FUSE FR WIP FUSE FRONT WASHER SWITCH FRONT WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY (IN WASHER FLUID RESERVOIR) FRONT WIPER SWITCH FUSE GRN WIRE GRY WIRE HEADLIGHT CLEANER CONTROL RELAY (BELOW RIGHT HEADLIGHT ASSEMBLY) HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/C LEVEL WARNING SWITCH (IN WASHER FLUID RESERVOIR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) MIST OFF ORG/ WIRE OVERHEAD MODULE PNK FRWA WIRE RAIN SENSOR (CENTER FRONT OF ROOF) RED WIRE TAIL VIO WIRE WHT WIRE WHT/BLK WIRE WIG WINDSHIELD WIPER MOTOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

BLK WIRE BRN WIRE COMBINATION METER ASSEMBLY ECM (RIGHT FRONT OF ENGINE COMPT) FUEL FUEL FILLER OPENING LID LOCK SUB-ASSEMBLY (LEFT REAR OF VEHICLE) FUEL LID COURTESY SWITCH FUEL LID OPENER SWITCH FUGI FUO FUWI GRN WIRE GRY WIRE HOT AT ALL TIMES FUEL OPN FUSE HOT IN ON OR START GAUGE 2 FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT "C" PILLAR) LIDO LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 4 8 9 5 2 3 +B FSR- FSR+ BSW BGND DIA GND 1 6 12 24 23 IG+ ES PBLT CANL CANH 16 24 FSR+ FSR- 18 10 LBE- LBE+ AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BLK WIRE BLU WIRE BRN WIRE CANL CANH COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT "B" PILLAR) LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LT GRN WIRE MAIN BODY ECU OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PNK WIRE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED RIGHT FRONT SEAT INNER BELT ASSEMBLY (UNDER FRONT PASSENGER'S SEAT) VIO WIRE W/ NAVIGATION W/ RADIO, DISPLAY RECEIVER TYPE W/O RADIO, DISPLAY RECEIVER TYPE W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 IG 24 23 CANL CANH PNK WIRE 7 8 9 10 11 12 GND CLSW RDA BLK WIRE BRN WIRE CANN CANP COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM FUSE GAUGE 2 FUSE GRY WIRE HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE RED WIRE TIRE PRESSURE WARNING ANTENNA, RECEIVER (REAR CENTER OF ROOF) TIRE PRESSURE WARNING ECU (BEHIND RIGHT SIDE OF DASH) TIRE PRESSURE WARNING RESET SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE