Lexus GS IV (2011-2015) junction Wiring diagrams

13 26 CANH CANL 20 21 22 23 24 25 26 27 28 FSPT RLEN 7 8 CANN CANP 9 8 CANN CANP BLK WIRE BLU WIRE CANL CANH REV RDA DOOR LOCKS, ANTI-THEFT SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HEAD TAIL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT, INTERIOR LIGHTS SYSTEMS HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS INTEGRATION CONTROL, PANEL CIRCUIT JUNCTION KOFF SFTP PRG HU RCTY LSFL HF LLEW LSFR LGCY CLTB CLTS CLTE TKUL PNK WIRE LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MULTI-MEDIA MODULE RECEIVER ASSEMBLY NAVIGATION SYSTEM PARKING BRAKE ECU (LEFT SIDE OF LUGGAGE COMPT) PNK WIRE POWER WINDOWS SYSTEM WARNING, DOOR LOCKS, ANTI-THEFT SYSTEMS RED WIRE RIGHT END OF DASH) RIGHT FRONT MULTIPLEX NETWORK DOOR ECU (IN RIGHT FRONT DOOR) RIGHT POSITION CONTROL ECU (UNDER FRONT PASSENGER'S SEAT) WARNING, DOOR LOCKS, ANTI-THEFT SYSTEMS WHT WIRE WHT/BLK WIRE YEL WIRE

AF- AIR BAG SENSOR ASSEMBLY ASSEMBLY BLK WIRE BLOWER MOTOR SUB ASSEMBLY W/ FAN BRAKE ACTUATOR ASSEMBLY COMPRESSOR ASSEMBLY W/ PULLEY EFI MAIN 2 RELAY RELAY RELAY EFI- MAIN 1 RELAY FRONT WIPER DEICER (WINDSHIELD GLASS) HEADLIGHT CLEANER CONTROL RELAY HEADLIGHT SWIVEL ECU ASSEMBLY INTEGRATION RELAY JUNCTION LEFT FRONT ABSORBER CONTROL ACTUATOR MULTI-MEDIA MODULE RECEIVER ASSEMBLY POWER STEERING ECU ASSEMBLY RIGHT END OF DASH) RIGHT FRONT ABSORBER CONTROL ACTUATOR ST RELAY WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY WIRELESS DOOR LOCK BUZZER WIRING HARNESS CONDENSER ASSEMBLY 1

AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) SHIELD BRN WIRE CANISTER PUMP MODULE COOLING FAN ECU CRANK POSITION SENSOR SHIELD ECM SHIELD ENGINE HOOD COURTESY SWITCH ENGINE OIL LEVEL IGNITION SENSOR COIL 6 FUEL PUMP INJECTOR ASSEMBLY DRIVER SHIELD SHIELD IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 JUNCTION KNOCK KNOCK CONTROL CONTROL SENSOR SENSOR (BANK 1) (BANK 2) SHIELD SHIELD LEFT FRONT FOG LIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY MILLIMETER WAVE RADAR SENSOR ASSEMBLY NCA WIRE REAR OXYGEN SENSOR 2 (BANK 1 SENSOR 2) SHIELD REAR OXYGEN SENSOR 2 (BANK 2 SENSOR 2) SHIELD RIGHT FRONT FOG LIGHT ASSEMBLY RIGHT HEADLIGHT ASSEMBLY SMOG VENTILATION SENSOR SPIRAL CABLE (STEERING COLUMN) WHT/ BLK WIRE WHT/BLK WIRE

A/C COMP RELAY ALL DOOR BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE DCM (TELEMATICS TRANSCEIVER) FAN RELAY 1 FR PWR OUTLET RH ACC RELAY RELAY FRONT STEERING ABSORBER CONTROL ECU CONTROL ECU HEADUP DISPLAY (COMBINATION METER MIRROR ECU) ID CODE BOX JUNCTION JUNCTION TERMINAL L/D DOOR DOOR LOCK LEVEL WARNING SWITCH ASSEMBLY LH- LH- FUEL MAIN UNLOCK OPN UNLOCK BODY RELAY RELAY RELAY RELAY RELAY RELAY ECU LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY MAP LIGHT ASSEMBLY NETWORK GATEWAY ECU REFRESHING SEAT SWITCH RELAY RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) RR PWR TRK OPN OUTLET RELAY RELAY STEERING LOCK ACTUATOR ASSEMBLY STOP LIGHT SWITCH ASSEMBLY WHT/BLK WIRE

BLK WIRE BRN WIRE CENTER STOP LIGHT ASSEMBLY EXCEPT 10-WAY SEAT POSITION 10-WAY SEAT POSITION FUEL FUEL INJECTOR INJECTOR ASSEMBLY 4 ASSEMBLY 2 SHIELD SHIELD FUEL INJECTOR ASSEMBLY 1 SHIELD FUEL INJECTOR ASSEMBLY 3 SHIELD FUEL INJECTOR ASSEMBLY 5 SHIELD FUEL INJECTOR ASSEMBLY 6 SHIELD JUNCTION JUNCTION TERMINAL LEFT "C" PILLAR) LEFT BLIND SPOT MONITOR SENSOR LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT FRONT SEAT HEATER ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT POSITION CONTROL ECU ASSEMBLY LEFT POSITION CONTROL ECU ASSEMBLY (EXCEPT 10-WAY SEAT POSITION) LEFT REAR ABSORBER CONTROL ACTUATOR LEFT REAR DOOR LOCK ASSEMBLY LEFT REAR DOOR OUTSIDE HANDLE ASSEMBLY LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LEFT REAR SEAT INNER W/ CENTER BELT ASSEMBLY LEFT RIGHT REAR REAR COMBINATION COMBINATION LIGHT LIGHT ASSEMBLY ASSEMBLY LEFT SEAT CLIMATE CONTROL BLOWER LUGGAGE CLOSER MOTOR ASSEMBLY NCA WIRE PARKING FUEL BRAKE PUMP ECU CONTROL ASSEMBLY ECU RELAY SEAT BELT CONTROL ECU SECURITY HORN RELAY TRK BACK UP OPN RELAY RELAY WHT WIRE WHT/BLK WIRE

BLK WIRE CONSOLE BOX ILLUMINATION LIGHT ASSEMBLY DOOR CONTROL SWITCH DOOR UNLOCK SWITCH SUB-ASSEMBLY DRIVER'S DOOR JUNCTION JUNCTION TERMINAL LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT REAR SEAT BACK HEATER ASSEMBLY LEFT REAR SEAT HEATER ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH NIGHT VIEW ECU 1 REAR CONTROL SWITCH REAR POWER OUTLET SOCKET ASSEMBLY 2 REAR STEERING CONTROL ECU REAR TELEVISION CAMERA ASSEMBLY REAR WINDOW DEFOGGER (BACK WINDOW GLASS) RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT FRONT POWER SEAT SWITCH ASSEMBLY RIGHT FRONT SEAT INNER BELT ASSEMBLY RIGHT POSITION CONTROL ECU ASSEMBLY RIGHT POSITION RIGHT CONTROL FRONT SEAT ECU HEATER ASSEMBLY ASSEMBLY RIGHT REAR ABSORBER CONTROL ACTUATOR RIGHT REAR DOOR LOCK ASSEMBLY RIGHT REAR DOOR OUTSIDE HANDLE ASSEMBLY RIGHT REAR LIGHT ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT REAR SEAT BACK HEATER ASSEMBLY RIGHT REAR SEAT HEATER ASSEMBLY RIGHT REAR SEAT RIGHT BLIND SPOT INNER W/ CENTER BELT MONITOR ASSEMBLY SENSOR RIGHT SEAT CLIMATE CONTROL BLOWER STEREO COMPONENT AMPLIFIER ASSEMBLY WHT WIRE WHT/BLK WIRE

10-WAY SEAT POSITION 11 3 CANN CANP 12 13 CANH CANL 18-WAY SEAT POSITION 7 8 CANN CANP 8 9 CANL CANH 9 8 7 8 CANN CANP 9 8 CANN CANP ABSORBER CONTROL ECU (RIGHT SIDE OF DASH) BLK WIRE BLU WIRE CANL CANH CLEARANCE WARNING ECU (LEFT END OF DASH) DRIVING SUPPORT ECU (LEFT END OF DASH) GRN WIRE GRY WIRE HEADLIGHT SWIVEL ECU (BEHIND LEFT KICK PANEL) JUNCTION LEFT FRONT MULTIPLEX NETWORK DOOR ECU (IN LEFT FRONT DOOR) LT BLU WIRE LT GRN WIRE MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) PNK WIRE RED WIRE RIGHT END OF DASH) RIGHT FRONT MULTIPLEX NETWORK DOOR ECU (IN RIGHT FRONT DOOR) RIGHT POSITION CONTROL ECU (UNDER FRONT PASSENGER'S SEAT) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

10 11 PNK WIRE 12 11 PNK WIRE 12 25 13 26 CANP CANN CANH CANL 13 14 CANL CANH 19 7 18 6 TX- TX+ TX- TX+ 5 6 CANN CANP 9 10 CANP CANN ACCESSORY METER ASSEMBLY (W/ NAVIGATION) MULTI-DISPLAY (W/O NAVIGATION) BLK WIRE BLU WIRE ECM (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HEADUP DISPLAY (COMBINATION METER MIRROR ECU) JUNCTION LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE LUGGAGE CLOSER MOTOR (LEFT FRONT OF LUGGAGE COMPT) MAIN BODY ECU (LEFT END OF DASH) MULTI-MEDIA MODULE RECEIVER ASSEMBLY PARKING BRAKE ECU (LEFT SIDE OF LUGGAGE COMPT) PNK WIRE REAR CONTROL SWITCH RED WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

12 11 CANH CANL BLK WIRE BLU WIRE DRIVER MONITOR ECU (LEFT END OF DASH) GRN WIRE JUNCTION LANE RECOGNITION CAMERA SENSOR LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (CENTER OF FRONT FASCIA) NIGHT VIEW ECU (RIGHT SIDE OF LUGGAGE COMPT) RED WIRE RIGHT BLIND SPOT MONITOR SENSOR (BEHIND RIGHT END OF REAR BUMPER) WHT WIRE WHT/BLK WIRE YEL WIRE

13 26 CANH CANL AIR BAG SENSOR ASSEMBLY (UNDER REAR OF CENTER FLOOR CONSOLE) BBR+ BCR+ BDR BLK WIRE BLU WIRE BUCKLE SWITCH CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FSR+ DIA GND FSR- +B IG GAUGE FUSE HOT AT ALL TIMES ICR+ JUNCTION LED DRIVER LEFT REAR WEIGHT DETECTION SENSOR OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ODS FUSE PASSIVE RESTRAINTS SYSTEM PR- PRR- RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT SEAT INNER BELT (UNDER FRONT PASSENGER'S SEAT) RIGHT REAR AIR BAG SENSOR (UNDER RIGHT REAR SEAT) RIGHT REAR WEIGHT DETECTION SENSOR RIGHT SIDE AIR BAG SENSOR (IN RIGHT "B" PILLAR) RIGHT SIDE DOOR AIR BAG SENSOR (IN RIGHT FRONT DOOR) SFR- SRR+ TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE