Lexus RX III facelift (2012-2015) (left "b" pillar) Wiring diagrams

6 5 7 4 ER EL BDSL BDSR BLB BLGD BLK WIRE BLK/YEL WIRE BLU WIRE BRB BRGD BRN WIRE BSM BSSW BSTL BSTR COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HAZ FUSE HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES ILL ILL INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) L/P LEFT "C" PILLAR) LEFT BLIND SPOT MONITOR SENSOR (BEHIND LEFT SIDE OF REAR FASCIA) LEFT OFF RIGHT LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) LEFT OUTER REARVIEW MIRROR ASSEMBLY LT BLU WIRE LT GRN WIRE OMIL OMIR ORG/ WIRE PNK CANH WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT BLIND SPOT MONITOR SENSOR (BEHIND RIGHT SIDE OF REAR FASCIA) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT FRONT DOOR) RIGHT OUTER REARVIEW MIRROR ASSEMBLY TURN SIGNAL FLASHER ASSEMBLY (BEHIND LEFT SIDE OF DASH) TURN SWITCH VIO WIRE WARNING CANCELING SWITCH ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

10 9 6 16 8 15 SVPB SVDB SG-5 SVPS A/C AMPLIFIER ASSEMBLY (RIGHT SIDE OF DASH) BLK WIRE BLLH BLRH SVSG BLU WIRE BRN WIRE CTB FUSE GRN WIRE GRY WIRE HEATER 2 IG (IN FRONT PASSENGER'S SEAT BACK) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT SEAT BACK CLIMATE CONTROL GND BLOWER (IN DRIVER'S SEAT BACK) LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY (UNDER DRIVER'S SEAT) LEFT SEAT HEATER CONTROL SUB-ASSEMBLY LH S-HTR FUSE LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK SWL WIRE PNK WIRE RED WIRE RELAY ENERGIZED RH S-HTR FUSE RIGHT SEAT BACK CLIMATE CONTROL BLOWER BLOWER RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY RV SW SEAT BACK) SEAT CUSHION HEATER 1 SEAT HEATER SWITCH SIGN SVDS SWR THL THR+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GND SLD+ 6 3 4 GND FWD BACK BLK WIRE BLU WIRE BUCKLE SWITCH CANN CANN CANP PRDC CANP COMPUTER DATA LINES SYSTEM CSNF CSNR ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ECU- B 1 FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT LUMBAR SUPPORT FORWARD, BACK MOTOR ASSEMBLY LEFT FRONT POWER SEAT CUSHION CONTROL MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT LIFT POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT RECLINING POSITION MOTOR ASSEMBLY (IN DRIVER'S SEAT BACK) LEFT FRONT POWER SEAT SLIDE POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT VERTICAL POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF LEFT "B" PILLAR) LEFT POWER SEAT FRONT SWITCH ASSEMBLY LEFT SEAT VARIABLE CUSHION SWITCH LFT- RCL- LT BLU WIRE LT GRN WIRE O/P P-SEAT LH FUSE PNK WIRE RED WIRE SEAT MEMORY SWITCH SET- SGND SSRS PVCC PBCL SLD- FRV- +B FRV+ LFT+ RCL+ SYSB VCC PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE CLK- CLK+ DETECTION DOOR LOCK CONTROL SWITCH ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM AIR CONDITIONING SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 2 (LEFT REAR OF ENGINE COMPT) FD RV GRN WIRE GRY WIRE HOT W/ IGCT MAIN RELAY ENERGIZED IGCT 3 FUSE IWP NIWP BL GI LEFT REAR DOOR LOCK MOTOR (IN LEFT REAR DOOR) LT GRN WIRE MTH- MTH+ HSDN REQ- REQ+ MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NCA WIRE OPST ORG/ WIRE PNK CLK STB NODD RMT RMTG MMT MMTG GMT GMTG WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER MANAGEMENT CONTROL ECU RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (AT RIGHT "B" PILLAR) SIO ETI ITE ILK PNK WIRE STP HTM+ HTM- TRANSMISSIONS SYSTEM UNLOCK VIO WIRE VLO WHT WIRE WHT/BLK WIRE WP FCTL YEL WIRE

BATTERY COOLING BLOWER ASSEMBLY CENTER BATTERY VOLTAGE SENSOR BLK WIRE BRAKE CONTROL POWER SUPPLY ASSEMBLY BRN WIRE DOOR CONTROL RECEIVER FUEL LID COURTESY SWITCH FUEL PUMP, FUEL SENDER GAUGE ASSEMBLY HV BATTERY JUNCTION BLOCK ASSEMBLY INTER LOCK SWITCH INVERTER RELAY J/C JUNCTION CONNECTOR LEFT "C" PILLAR) LEFT BATTERY COOLING BLOWER ASSEMBLY LEFT BLIND SPOT MONITOR SENSOR LEFT FRONT POWER SEAT SWITCH ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LEFT REAR SIDE MARKER LIGHT ASSEMBLY LEFT SEAT BACK CLIMATE CONTROL BLOWER LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LEFT SEAT HEATER CONTROL SUB-ASSEMBLY LEFT SEAT VARIABLE CUSHION SWITCH OCCUPANT DETECTION ECU REAR POWER POINT SOCKET ASSEMBLY RIGHT BATTERY COOLING BLOWER ASSEMBLY RIGHT BLIND SPOT MONITOR SENSOR RIGHT FRONT POWER SEAT SWITCH RIGHT FRONT POWER SEAT SWITCH ASSEMBLY RIGHT FRONT SEAT INNER BELT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR DOOR W/ MOTOR LOCK ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT REAR SIDE MARKER LIGHT ASSEMBLY RIGHT SEAT BACK CLIMATE CONTROL BLOWER RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY RIGHT SEAT VARIABLE CUSHION SWITCH STEREO COMPONENT AMPLIFIER ASSEMBLY VOLTAGE INVERTER ASSEMBLY WHT WIRE WHT/BLK WIRE

AIR BAG MAIN BODY ECU SENSOR ASSEMBLY BACK DOOR CONTROL SWITCH BACK DOOR OPENER SWITCH ASSEMBLY BLK WIRE BLK/ WHT WIRE BRN WIRE CENTER STOP LIGHT ASSEMBLY FRONT POWER POINT SOCKET ASSEMBLY 1 ID CODE BOX INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/C LEFT ELECTRICAL KEY ANTENNA LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT OUTER MIRROR CONTROL SEAT ECU MEMORY ASSEMBLY SWITCH LEFT REAR LIGHT ASSEMBLY MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NAVIGATION MULTI-DISPLAY RECEIVER ASSEMBLY ASSEMBLY NCA WIRE POWER MANAGEMENT CONTROL ECU POWER POINT SOCKET ASSEMBLY 2 REAR WINDOW DEFOGGER REAR WIPER, MOTOR, BRACKET ASSEMBLY RED WIRE RIGHT REAR LIGHT ASSEMBLY SPIRAL CABLE SUB- ASSEMBLY POWER (IN STEERING MANAGEMENT COLUMN) CONTROL ECU STEERING CRUISE WHEEL CONTROL HEATER MAIN CONTROL SWITCH ASSEMBLY ASSEMBLY STEERING PAD SWITCH ASSEMBLY TRANSMISSION CONTROL SWITCH TURN SIGNAL FLASHER POWER ASSEMBLY SWITCH WHT WIRE WHT/BLK WIRE YAW RATE SEAT SENSOR HEATER ASSEMBLY SWITCH

2 5 4 1 RSSI DATA +5 GND 5 15 16 RCO RDA RSSI 6 9 8 4 3 2 1 7 CPUB CANP CANN 7 8 4 CANN CANP PBCL 9 10 CANH CANL BLK WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CANN CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) ECU ASSEMBLY (IN LEFT FRONT DOOR) ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FLCY CANP CANN FUSE GND TIM- GRN WIRE GRY WIRE HEADLAMP DIMMER SWITCH ASSEMBLY 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 POSITION CONTROL ECU, SWITCH ASSEMBLY (LEFT SIDE OF DRIVER'S LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LEFT OUTER MIRROR CONTROL LT BLU WIRE LT GRN WIRE MAIN BODY ECU MM GND MSW MULTIPLEX TILT, TELESCOPIC ECU (AT BASE OF STEERING COLUMN) ORG/ WIRE PNK WIRE POWER TILT MOTOR (ON STEERING COLUMN) RED WIRE RELAY ENERGIZED SEAT CUSHION) SEAT MEMORY SWITCH SET- SYSTEM TELESCO SHORT TELESCOPIC MOTOR TELESCOPIC SENSOR TEM TES TI, TE FUSE TILT DOWN TILT UP TELESCO STRETCH TILT, TELESCOPIC SWITCH TIM TIS VCE VCI VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

9 4 PRDC PBCL BLK WIRE BLU WIRE FUSE GRN WIRE HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT SEAT INNER BELT BUCKLE ASSEMBLY SWITCH (UNDER DRIVER'S SEAT) LEFT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF LEFT "B" PILLAR) PNK WIRE RIGHT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF RIGHT "B" PILLAR) VIO WIRE W/ MEMORY W/O MEMORY WHT WIRE WHT/BLK WIRE YEL WIRE

4 OF 4) ANTI-LOCK BRAKES SYSTEM ANTI-LOCK PASSIVE BRAKES RESTRAINT SYSTEM SYSTEM NAVIGATION SYSTEM BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CIG FUSE DEFOGGER, AIR CONDITIONING, WIPER/ WASHER, SEATS SYSTEMS ELECTRONIC POWER STEERING SYSTEM EPS FUSE FUSE FR RR WASH FUSE FROM ENGINE ROOM J/B ASSEMBLY (DIAGRAM 1 OF 4) FROM ENGINE ROOM R/B ASSEMBLY (DIAGRAM 2 OF 4) FRONT POWER POINT SOCKET ASSEMBLY FRONT POWER POINT SOCKET ASSEMBLY 1 FUSE GAUGE 1 FUSE GRN WIRE GRY WIRE LT BLU WIRE MAIN BODY ECU MAIN BODY ECU TRLY MIRRORS, MEMORY SYSTEMS ORG/ WIRE P/POINT FUSE PNK WIRE RADIO 2 FUSE REAR POWER POINT SOCKET ASSEMBLY RED WIRE RELAY RH LH S-HTR S-HTR FUSE FUSE RR FR WIP WIP WASH FUSE FUSE FUSE SEATS SYSTEM SEATS, WARNING, NAVIGATION, SOUND, EXTERIOR LIGHTS, INSTRUMENT CLUSTER SYSTEMS SHIFT INTERLOCK SYSTEM SOUND SYSTEMS SOUND, NAVIGATION SYSTEMS TAIL PANEL FUSE FUSE TAIL RELAY TO D/L ALT B FUSE (DIAGRAM TO ECU-ACC FUSE (DIAGRAM 4 OF 4) TO FR FOG RELAY (DIAGRAM 4 OF 4) TO INVERTER RELAY (DIAGRAM 4 OF 4) TO POWER MANAGEMENT CONTROL ECU (DIAGRAM 4 OF 4) TRANSMISSIONS SUPPLEMENTAL SYSTEM RESTRAINTS, MEMORY SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WARNING SYSTEM WHT WIRE WHT/BLK WIRE WIPER/ WASHER, POWER TOPS, MIRRORS, NAVIGATION SYSTEMS WIPER/WASHER SYSTEM YEL WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE CLK- CLK+ DETECTION DOOR LOCK CONTROL SWITCH ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM AIR CONDITIONING SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 2 (LEFT REAR OF ENGINE COMPT) FD RV GRN WIRE GRY WIRE HOT W/ IGCT MAIN RELAY ENERGIZED IGCT 3 FUSE IWP NIWP BL GI LEFT REAR DOOR LOCK MOTOR (IN LEFT REAR DOOR) LT GRN WIRE MTH- MTH+ HSDN REQ- REQ+ MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NCA WIRE OPST ORG/ WIRE PNK CLK STB NODD RMT RMTG MMT MMTG GMT GMTG WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER MANAGEMENT CONTROL ECU RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (AT RIGHT "B" PILLAR) SIO ETI ITE ILK PNK WIRE STP HTM+ HTM- TRANSMISSIONS SYSTEM UNLOCK VIO WIRE VLO WHT WIRE WHT/BLK WIRE WP FCTL YEL WIRE