Lexus GS IV facelift (2015-2020) left cowl side j/b Wiring diagrams

1) LEFT TURN 2) LEFT LANE CHANGE 3) NEUTRAL 4) RIGHT LANE CHANGE 5) RIGHT TURN BLB BLGD BLIND SPOT MONITOR BLIND SPOT MONITOR BUZZER BLK WIRE BLK/RED WIRE BLU WIRE BRB BRGD BSL+ BSMI BSMI BSR+ BZN BZP CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 2 ASSEMBLY GAUGE FUSE GRN WIRE GRY/RED WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY LED DRIVER LEFT BLIND SPOT MONITOR SENSOR LEFT COWL SIDE J/B LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER REAR VIEW MIRROR ASSEMBLY LH-IG FUSE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY OMIL OMIR ORG/ WIRE PNK BUZ WIRE PNK WIRE REAR CROSS TRAFFIC ALERT BUZZER RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RIGHT BLIND SPOT MONITOR SENSOR RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT OUTER REAR VIEW MIRROR ASSEMBLY TELLTALES TURN SWITCH UB (LEFT SIDE OF LUGGAGE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

4 3 LCYL BLK WIRE BLU WIRE DOME CUT RELAY DOOR CONTROL SWITCH FSPT GRN WIRE GRY WIRE HOT AT ALL TIMES LCTY LEFT "C" PILLAR) LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY LIGHT LEFT REAR DOOR COURTESY LIGHT LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH J/B-B FUSE LH-IG FUSE LRLP LT BLU WIRE LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 MAIN BODY ECU (LEFT END OF DASH) NOISE FILTER (CENTER STOP LIGHT, LUGGAGE COMPARTMENT LIGHT) ORG/ WIRE PNK WIRE RCTY RCYL RED WIRE RELAY 1 ENERGIZED RIGHT REAR DOOR COURTESY LIGHT RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY VIO WIRE W/ POWER TRUNK OPENER, CLOSER WHT WIRE WHT/BLK WIRE YEL WIRE

BCUT PNK CPUB WIRE BDR BLK WIRE BLK/RED WIRE BLU WIRE CAN I/F CANN CANP COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CPUB CYL ENGINE ROOM R/B 2 ASSEMBLY F/L DOOR FUSE F/R DOOR FUSE FOOTWELL) GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LED LED+ PNK WIRE LEFT COWL SIDE J/B LEFT FRONT AMBIENT LIGHT (LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MLP P/W-B FUSE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT FRONT AMBIENT LIGHT (RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT OUTER REAR VIEW MIRROR ASSEMBLY SIG TELLTALES UA (LEFT "B" PILLAR) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR CONDITIONING SYSTEM AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE CENTRAL STOP LIGHT ASSEMBLY CLTB CLTE CLTS COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 ASSEMBLY INTEGRATION RELAY GNDA (-) GNDB GRN WIRE GRY WIRE HEAD HMSL HOT AT ALL TIMES LCTY LEFT "C" PILLAR) LEFT COWL SIDE J/B LEFT REAR COMBINATION LIGHT ASSEMBLY LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY MAIN BODY ECU MARKER NOISE FILTER (CENTER STOP LIGHT, LUGGAGE COMPARTMENT LIGHT) ORG/ WIRE PNK WIRE RCTY RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RIGHT REAR COMBINATION LIGHT ASSEMBLY SIDE SOLAR SENSOR STOP STOP FUSE TAIL TAIL/STOP TLP TRN+ TSL TSR TURN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE ENGINE ROOM R/B 2 ASSEMBLY GRN WIRE HIGH PITCHED HORN ASSEMBLY HORN HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES LEFT COWL SIDE J/B LOW PITCHED HORN ASSEMBLY MAIN BODY ECU PNK WIRE SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY

30 28 TAIL A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) AGND AUTO AUTO TAIL OFF DRL OFF HEAD AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE CANADA USA CERTIFICATION ECU CLTB CLTE CLTS COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 ASSEMBLY ENGINE SWITCH GLOVE BOX LIGHT ASSEMBLY GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL REGISTER ASSEMBLY 2 LEFT COWL SIDE J/B LH J/B-B FUSE LH-IG FUSE LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE OFF DRL OFF ORG/ WIRE P/I-B 1 FUSE PANEL) PNK WIRE REAR SUNSHADE SWITCH ASSEMBLY RED WIRE REMOTE OPERATION SWITCH RIGHT END OF DASH) SWIL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BCUT BDR BLK WIRE BLU WIRE CAN I/F CANN CANP COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM EAU ENGINE ROOM R/B 2 ASSEMBLY F/L DOOR FUSE F/R DOOR FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IL+2 LED LEFT COWL SIDE J/B LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT STEERING PAD SWITCH LT GRN WIRE MODE OFF HOOK ON HOOK ORG/ WIRE P/W-B FUSE PNK CPUB WIRE PNK WIRE PWS RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT STEERING PAD SWITCH SEEK SIG SIG PNK CPUB WIRE SPEAKER SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY TELLTALES VIO WIRE VOICE VOLUME- W/ DYNAMIC RADAR CRUISE CONTROL W/ LANE DEPARTURE ALERT WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FORWARD RECOGNITION CAMERA FORWARD RECOGNITION W/ HEATER HOOD SUB-ASSEMBLY GAUGE FUSE GRN WIRE GRY WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HTR IGB KC (UNDER CENTER CONSOLE) LANE DEPARTURE ALERT SWITCH LEFT COWL SIDE J/B LH ECU-IG FUSE LINES SYSTEM LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY MILLIMETER WAVE RADAR SENSOR ASSEMBLY ORG/ WIRE PNK BZ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RIGHT STEERING PAD SWITCH SGND SKID CONTROL BUZZER SPIRAL CABLE SUB-ASSEMBLY SPSW STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STP+ WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

ACC FUSE AIR AMPLIFIER ANTENNA ASSEMBLY ANTENNA CORD SUB-ASSEMBLY 2 ARON BLK WIRE BLU WIRE CANADA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM EAU GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B LEFT STEERING PAD SWITCH LH-IG FUSE LT BLU WIRE LT GRN WIRE MACC MIN MODE MULTI MEDIA FUSE MULTI-MEDIA MODULE RECEIVER ASSEMBLY NAVIGATION ANTENNA ASSEMBLY NCA WIRE OFF HOOK ON HOOK PNK WIRE RED WIRE RELAY 1 ENERGIZED RH ACC RELAY RH ECU-IG FUSE RIGHT COWL SIDE J/B ROOF ANTENNA ASSEMBLY SEEK SEUC SGND SHIELD SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SUPPLEMENTAL RESTRAINTS SYSTEM SWG USA VIO WIRE VMTF VOICE VOLUME- W/ SAFETY CONNECT W/O SAFETY CONNECT W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY BLK WIRE BLU WIRE CBZ CLEARANCE WARNING ECU ASSEMBLY COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE LEFT COWL SIDE J/B LEFT FRONT ULTRASONIC SENSOR 1 LEFT REAR ULTRASONIC SENSOR 1 LH-IG FUSE LT BLU WIRE LT GRN WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RIGHT FRONT ULTRASONIC SENSOR 1 RIGHT REAR CENTER ULTRASONIC SENSOR 1 RIGHT REAR ULTRASONIC SENSOR 1 VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE