Lexus RX III (2008-2012) (top center of dash) Wiring diagrams

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 COMPUTER DATA LINES SYSTEM CANH CANL CTY DLSW DOOR CONTROL RECEIVER DOOR CONTROL SWITCH ASSEMBLY ECU-B 1 FUSE FSW+ FUSE GRN WIRE GRY WIRE HAF HOT AT ALL TIMES HOT IN ON OR START MAIN BODY ECU 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 OSR OSE OSL PAWL MSW PBDS PNK 23 22 9 10 WIRE PNK FUL WIRE PNK WIRE POS POWER BACK DOOR MAIN SWITCH POWER BACK DOOR UNIT ASSEMBLY (LEFT REAR OF ROOF) POWER SIDE BACK DOOR WARNING BUZZER (IN BACK DOOR) 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

14 16 64 15 PNK WIRE AGND ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BRN WIRE CANH CANL SWIL TXCT CODE CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) CLGB COMPUTER DATA LINES SYSTEM DATA DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) DOORS SYSTEM FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE IG CUTB INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE OUTSIDE LUGGAGE ELECTRICAL KEY ANTENNA (BEHIND CENTER OF REAR BUMPER) PNK WIRE RCO RDA RSSI REAR INDOOR ELECTRICAL KEY OSCILLATOR (FRONT OF LUGGAGE COMPT) RED WIRE RELAY ENERGIZED RIGHT ELECTRICAL KEY ANTENNA (FRONT PASSENGER'S DOOR OUTSIDE HANDLE) RSSI SENS TRG+ TRUNK, TAILGATE, FUEL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 4 5 GND RSSI +5 DATA 15 5 16 RDA RCO RSSI 37 13 38 14 OPN DWN CLS UP GND 9 10 CANH CANL BLK WIRE BLU WIRE BRN WIRE BZR CANL CANH CERTIFICATION ECU ASSEMBLY COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) KEY LOCK KEY UNLOCK LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT "B" PILLAR) LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LIN IG LT BLU WIRE LT GRN WIRE M- M+ MAIN BODY ECU INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) OPN DWN CLS UP OVERHEAD MODULE PNK 1 2 3 4 5 6 7 8 9 10 WIRE PNK CANL WIRE PNK IG WIRE RED WIRE S/ROOF FUSE SLIDING ROOF CONTROL ECU (CENTER FRONT OF ROOF) WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BZR COMPUTER DATA LINES SYSTEM DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE UP SWITCH ECU-B 1 FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY F/L DOOR FUSE FRONT PASSENGER SIDE CONTROL SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LED LEFT FRONT DOOR COURTESY LIGHT SWITCH (AT LEFT "B" PILLAR) LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN DRIVER'S DOOR) LEFT REAR SIDE CONTROL SWITCH LIN LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ORG/ WIRE PNK WIRE RED WIRE RIGHT REAR SIDE CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDOW LOCK SWITCH WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

-TW ADAPTER ASSEMBLY 1 STEREO JACK AGND ALI ALO ARI ARO ASGN AUXI AUXO BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY CONSOLE) GRN WIRE GRY WIRE LEFT QUARTER SIDE SPEAKER ASSEMBLY (W/ 15 SPEAKER) LEFT REAR SPEAKER ASSEMBLY LEFT REAR SPEAKER ASSEMBLY 2 LT BLU WIRE LT GRN WIRE MI+ MO- NCA WIRE NTSC PBLT PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE REMOTE OPERATION SWITCH RIGHT QUARTER SIDE SPEAKER ASSEMBLY (W/ 15 SPEAKER) RIGHT REAR SPEAKER ASSEMBLY RIGHT REAR SPEAKER ASSEMBLY 2 SLD SLDI SLDO STEREO JACK ADAPTER ASSEMBLY 1 (MULTI-MEDIA INTERFACE ECU) UNDER CENTER FLOOR VIO WIRE W/ MULTI-MEDIA INTERFACE ECU W/O MULTI-MEDIA INTERFACE ECU WHT WIRE WHT/BLK WIRE WUI WUO YEL WIRE

1 2 3 4 5 6 7 8 R+ L+ ACAN ADIM ADPG AIR ARON BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM GRN WIRE GRY WIRE HEADPHONE TERMINAL HEATER CONTROL PANEL (RADIO RECEIVER ASSEMBLY) LEFT SET BACK DISPLAY LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) MULTI-DISPLAY CONTROLLER MUTE NCA WIRE NTSC PBEW PNK WIRE RED WIRE RIGHT SET BACK DISPLAY SLDA SLDB SUB-ASSEMBLY (UNDER CENTER CONSOLE) SUPPLEMENTAL RESTRAINTS SYSTEM VA- VAL+ VAR+ VD VG VIO WIRE VMTR VV- WHT WIRE WHT/BLK WIRE YEL WIRE

ACAN ADIM BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM GRN WIRE GRY WIRE HEATER CONTROL PANEL (RADIO RECEIVER ASSEMBLY) LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE MACC MCO- MODE NCA WIRE OFF HOOK ON HOOK PNK WIRE RED WIRE RIGHT STEERING PAD SWITCH SEEK SPIRAL CABLE SUB-ASSEMBLY ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY TELEPHONE MICROPHONE ASSEMBLY OVERHEAD MODULE VIO WIRE VOICE VOLUME- W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) P POSITION DETECTION SWITCH PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE RELAY ENERGIZED SHIFT LOCK CONTROL ECU SUB-ASSEMBLY (UNDER CENTER CONSOLE, BESIDE SHIFT LEVER) SHIFT LOCK SOLENOID SLS+ SLS- STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3 2 IGE BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPARTMENT) GAUGE 2 FUSE GRN WIRE HOT AT ALL TIMES ID CODE BOX (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LIN LIN 1 POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE RELAY ENERGIZED SL/R SLP STEERING LOCK ACTUATOR ASSEMBLY (ON STEERING COLUMN) STR LOCK FUSE WHT/BLK WIRE YEL WIRE

1 2 3 4 BDR+ BDR- BCR- BCR+ 1 2 B+ DIA 1 2 BDR- BDR+ 14 15 PNK WIRE 24 23 6 1 13 CANL CANH ES IG+ PNK WIRE 4 5 6 7 8 9 10 11 12 FSR- BGND AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BBR+ BCR+ BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU- FUSE FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FSR+ BBR+ BBR- GRN WIRE GRY WIRE GSW HOT AT ALL TIMES ICR+ IG FSR+ BSW INSTRUMENT MAIN PANEL J/B BODY (LEFT SIDE ECU OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PNK WIRE RED WIRE RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY (RIGHT SIDE OF ROOF) RIGHT DOOR SIDE AIR BAG SENSOR (BASE OF RIGHT "B" PILLAR) RIGHT FRONT SEAT INNER BELT ASSEMBLY (UNDER FRONT PASSENGER'S SEAT) RIGHT FRONT SIDE AIR BAG SQUIB CIRCUIT (IN FRONT PASSENGER'S SEAT BACK) RIGHT REAR AIR BAG SENSOR (RIGHT "C" PILLAR) RIGHT REAR SIDE AIR BAG SQUIB CIRCUIT (RIGHT "C" PILLAR) RIGHT SIDE AIR BAG SENSOR ASSEMBLY (RIGHT "B" PILLAR) SFR- SL- SR- SRR+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE