Lexus RX IV facelift (2019-2023) blk Wiring diagrams

A/C PRESSURE SENSOR BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BLU WIRE BLW BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA COOLER THERMISTOR (AMBIENT TEMPERATURE SENSOR) DEFOGGER SYSTEM DGS ECO ENGINE ROOM R/B FDEF GRN WIRE GRY WIRE HOT AT ALL TIMES HTR FUSE LINES SYSTEM LOUT LT GRN WIRE ORG/ WIRE PNK WIRE RDFG RED WIRE RIGHT END OF DASH) ROUT SEATS SEATS SYSTEM SMOG VENTILATION SENSOR SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE

ACPB ACPE AIR CONDITIONING CONTROL ASSEMBLY 2 ALT AUTOMATIC LIGHT CONTROL SENSOR BLIN BLK WIRE BLU WIRE CLK+ CLTB CLTE CLTS COMPRESSOR W/ MOTOR ASSEMBLY COMPUTER DATA LINES SYSTEM DC/DC FUSE DIN DOUT ENGINE ROOM J/B ETI FMIG GRN WIRE GRY WIRE HEATER ACCESSORY ASSEMBLY HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU IDH INVERTER W/ CONVERTER ASSEMBLY ITE LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE SEMICONDUCTOR POWER INTEGRATION ECU SHIELD STB STBI VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR CONDITIONING CONTROL ASSEMBLY 2 BLK WIRE BLU WIRE BRAKE CONTROL POWER SUPPLY ASSEMBLY GRY WIRE LEFT BLIND SPOT MONITOR SENSOR LEFT FOLD SEAT CONTROL ECU (REAR 1 SEAT) LEFT FOLD SEAT CONTROL ECU (REAR 2 SEAT) LEFT FRONT SEAT HEATER CONTROL SUB-ASSEMBLY LEFT FRONT SEAT OUTER BELT ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT POSITION CONTROL ECU, SWITCH ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU ORG/ WIRE PARKING BRAKE ECU ASSEMBLY PNK WIRE REAR CROSS TRAFFIC ALERT BUZZER (BLIND SPOT MONITOR BUZZER) REAR REFRESHING SEAT SWITCH REAR SEAT HEATER RELAY RED WIRE RIGHT BLIND SPOT MONITOR SENSOR RIGHT FOLD SEAT CONTROL ECU (REAR 1 SEAT) RIGHT FOLD SEAT CONTROL ECU (REAR 2 SEAT) RIGHT FRONT SEAT HEATER CONTROL SUB-ASSEMBLY RIGHT FRONT SEAT OUTER BELT ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) TO INVERTER RELAY (DIAGRAM 3 OF 10) VIO WIRE W/ MEMORY W/ SLIDING ROOF WHT WIRE YEL WIRE

A/C RR FUSE ABS 3 FUSE ABS MTR 1 FUSE ABS MTR 1 RELAY ABS MTR 2 FUSE ABS MTR 2 RELAY ALL DR LOCK RELAY BATT ALT BATT FAN FUSE BATT FAN RELAY BATTERY BATTERY STATE SENSOR ASSEMBLY BLK WIRE BLK/GRY WIRE BLOWER MOTOR CONTROL BLOWER MOTOR W/ FAN SUB-ASSEMBLY BLU WIRE BRAKE CONTROL POWER SUPPLY ASSEMBLY CAPACITOR FUSE D DR UNLOCK RELAY INSTRUMENT PANEL J/B ASSEMBLY D/L FUSE DC/DC FUSE DC/DC-S FUSE DOOR DL FUSE ENGINE ROOM J/B ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 EPS FUSE FAN 1 FUSE FAN 1 RELAY FAN 2 RELAY ENGINE ROOM R/B FAN-2 FUSE FUSE BLOCK ASSEMBLY 1 FUSIBLE LINK BLOCK ASSEMBLY GRN WIRE GRY WIRE H-LP CLN FUSE HEADLAMP CLEANER MOTOR, PUMP ASSEMBLY HTR FUSE ICS FUSE INVERTER W/ CONVERTER ASSEMBLY J/B-AM FUSE L/D-DR UNLOCK RELAY LEFT FOLD SEAT CONTROL ECU (REAR 1 SEAT) LEFT FOLD SEAT CONTROL ECU (REAR 2 SEAT) LEFT FRONT SEAT HEATER CONTROL SUB-ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN FUSE MULTIPLEX NETWORK DOOR ECU P/SEAT (RR) FUSE P/SEAT R/L FUSE PBD FUSE PNK WIRE POWER STEERING ECU ASSEMBLY PPL/RED WIRE PTC HTR 1 FUSE PTC HTR 1 RELAY PTC HTR 2 FUSE PTC HTR 2 RELAY PTC HTR 3 FUSE PTC HTR 3 RELAY REAR SEAT HEATER RELAY RED WIRE RIGHT FOLD SEAT CONTROL ECU (REAR 1 SEAT) RIGHT FOLD SEAT CONTROL ECU (REAR 2 SEAT) RIGHT FRONT SEAT HEATER CONTROL SUB-ASSEMBLY ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) RR-B FUSE S/HTR F/L FUSE S/HTR F/R FUSE S/HTR RR FUSE S/ROOF 2 FUSE SEMICONDUCTOR POWER INTEGRATION ECU SKID CONTROL ECU ASSEMBLY TO EFI-MAIN FUSE (DIAGRAM 4 OF 10) TO FUSE BLOCK ASSEMBLY 2 (DIAGRAM 9 OF 10) TO HORN FUSE (DIAGRAM 7 OF 10) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 6 OF 10) TO P/OUTLET FUSE (DIAGRAM 3 OF 10) TOWING BRK FUSE VIO WIRE W/ PANORAMIC MOON ROOF SYSTEM WHT WIRE YEL WIRE

BLK WIRE BLU WIRE ENGINE ROOM R/B FROM P/SEAT R/R FUSE (DIAGRAM 1 OF 10) GRN WIRE GRY WIRE INSTRUMENT PANEL J/B ASSEMBLY INV FUSE INVERTER RELAY LEFT FOG LIGHT ASSEMBLY LEFT HEADLIGHT ECU SUB-ASSEMBLY LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY METER MIRROR SUB-ASSEMBLY ORG/ WIRE P/OUTLET 2 FUSE P/OUTLET 2 RELAY P/OUTLET FUSE POWER OUTLET SOCKET ASSEMBLY 2 PPL PPL/BLU WIRE PPL/YEL WIRE R/B 4 RADIO RECEIVER ASSEMBLY REAR POWER OUTLET SOCKET ASSEMBLY 1 REAR POWER OUTLET SOCKET ASSEMBLY 2 RED WIRE RIGHT FOG LIGHT ASSEMBLY RIGHT HEADLIGHT ECU SUB-ASSEMBLY RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY TO ENGINE ROOM R/B (DIAGRAM 4 OF 10) TO R/B 4 (DIAGRAM 8 OF 10) VIO WIRE VOLTAGE INVERTER ASSEMBLY W/ CORNERING LIGHT W/ HEADLIGHT BEAM LEVEL CONTROL W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE

A/F FUSE A/F RELAY ABSORBER CONTROL ECU AVS FUSE BLK WIRE BLU WIRE BRN WIRE EFI MAIN FUSE EFI MAIN RELAY ENGINE ROOM R/B FAN 1 RELAY FAN 2 RELAY FOR PORT INJECTION FROM DC/DC FUSE (DIAGRAM 1 OF 10) FROM ENGINE ROOM R/B (DIAGRAM 3 OF 10) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 5 OF 10) FUEL INJECTOR ASSEMBLY 1 FUEL INJECTOR ASSEMBLY 2 FUEL INJECTOR ASSEMBLY 3 FUEL INJECTOR ASSEMBLY 4 FUEL INJECTOR ASSEMBLY 5 FUEL INJECTOR ASSEMBLY 6 GRN WIRE GRY WIRE H-LP LH LO FUSE H-LP LH-LO RELAY H-LP RH LO FUSE H-LP RH-LO RELAY HYBRID VEHICLE CONTROL ECU IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 IGNITION COIL ASSEMBLY 5 IGNITION COIL ASSEMBLY 6 LT BLU WIRE LT GRN WIRE ORG/ WIRE P INJ FUSE PNK WIRE RED WIRE SHIFT LOCK CONTROL ECU SKID CONTROL ECU ASSEMBLY SPIRAL CABLE SUB-ASSEMBLY STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY STEERING SENSOR STEERING VIBRATION, HEATER ECU STRG HTR FUSE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YAW RATE SENSOR ASSEMBLY YEL WIRE

A/C AMPLIFIER ASSEMBLY AIR BAG SENSOR ASSEMBLY BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU CLEARANCE WARNING ECU ASSEMBLY COMBINATION METER ASSEMBLY D/L FUSE DCM (TELEMATICS TRANSCEIVER) DCM FUSE ECU-B 1 FUSE ECU-B 2 FUSE ECU-B 3 FUSE ELECTRIC PARKING BRAKE SWITCH ASSEMBLY FROM ACC RELAY (DIAGRAM 6 OF 10) FROM CERTIFICATION ECU (DIAGRAM 2 OF 10) FROM ENGINE ROOM R/B (DIAGRAM 2 OF 10) FROM TAIL RELAY (DIAGRAM 6 OF 10) GRN WIRE GRY WIRE HAZ FUSE HYBRID VEHICLE CONTROL ECU ID CODE BOX LEFT POSITION CONTROL ECU, SWITCH ASSEMBLY LT BLU WIRE LT GRN WIRE MAP LIGHT ASSEMBLY MULTIPLEX NETWORK DOOR ECU MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU NETWORK GATEWAY ECU OCCUPANT DETECTION ECU ORG/ WIRE PARKING ASSIST ECU PARKING BRAKE ECU ASSEMBLY PNK WIRE POWER STEERING ECU ASSEMBLY REAR WIPER, MOTOR, BRACKET ASSEMBLY RED WIRE RIGHT END OF DASH) SKID CONTROL ECU ASSEMBLY STEERING LOCK ACTUATOR/UPPER BRACKET ASSEMBLY STOP FUSE STOP LIGHT SWITCH ASSEMBLY STRG LOCK FUSE TO ENGINE ROOM R/B (DIAGRAM 4 OF 10) TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 2 OF 10) VEHICLE APPROACHING SPEAKER CONTROLLER VIO WIRE WASHER FUSE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIPER RR FUSE YEL WIRE

ACC RELAY BLK WIRE BLU WIRE CLOCK ASSEMBLY DATA LINK CONNECTOR 3 DOOR F/L FUSE DOOR F/R FUSE DOOR R/L FUSE DOOR R/R FUSE ECU-ACC FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FROM ENGINE ROOM J/B (DIAGRAM 1 OF 10) GRN WIRE GRY WIRE HYBRID VEHICLE CONTROL ECU LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT HEADLIGHT ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT SEAT MEMORY SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MULTI- DISPLAY ASSEMBLY MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU NETWORK GATEWAY ECU OBD FUSE ORG/ WIRE P/OUTLET 1 FUSE PANEL FUSE PARKING ASSIST ECU PNK WIRE POWER OUTLET SOCKET ASSEMBLY 1 PPL/GRN WIRE PPL/GRY WIRE PPL/PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE REMOTE OPERATION CONTROLLER RIGHT END OF DASH) RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT HEADLIGHT ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY S/ROOF FUSE SEMICONDUCTOR POWER INTEGRATION ECU SHIFT POSITION INDICATOR SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) STEREO COMPONENT AMPLIFIER ASSEMBLY TAIL TAIL FUSE TAIL RELAY TI, TE FUSE TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 2 OF 10) TO P/SEAT F/L FUSE (DIAGRAM 8 OF 10) TO R/B 4 (DIAGRAM 8 OF 10) TOWING CONVERTER TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) USED) VIO WIRE W/ MEMORY W/ NAVIGATION W/O HEADLIGHT BEAM LEVEL CONTROL W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY AMP FUSE BKUP LP FUSE BKUP LP RELAY BLK WIRE BLU WIRE BRN WIRE COMPRESSOR W/ MOTOR ASSEMBLY ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ETCS FUSE FMIG FORWARD RECOGNITION CAMERA FORWARD RECOGNITION W/ HEATER HOOD SUB-ASSEMBLY FROM ABS MTR 1 FUSE (DIAGRAM 1 OF 10) FRONT REFRESHING SEAT SWITCH FUEL OPN FUSE FUEL OPN RELAY FUEL PMP FUSE FUEL PMP RELAY GRN WIRE GRY WIRE H-LP CLN RELAY H-LP LH FUSE H-LP LH RELAY H-LP RH FUSE H-LP RH RELAY HORN FUSE HORN RELAY IGCT FUSE IGCT RELAY ENGINE ROOM R/B 2 INJ FUSE INJ RELAY ENGINE ROOM R/B INSTRUMENT PANEL J/B ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY LT BLU WIRE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY PNK WIRE PTC HTR 1 RELAY PTC HTR 2 RELAY PTC HTR 3 RELAY RADIO 2 FUSE RED WIRE S-HORN FUSE S-HORN RELAY SEMICONDUCTOR POWER INTEGRATION ECU ENGINE ROOM J/B SKID CONTROL BUZZER ASSEMBLY SMOG VENTILATION SENSOR STEREO COMPONENT AMPLIFIER ASSEMBLY TO D/C CUT FUSE (DIAGRAM 2 OF 10) TO R/B 4 (DIAGRAM 3 OF 10) TOWING CONVERTER TOWING FUSE USED) VIO WIRE W/ HEADLIGHT BEAM LEVEL CONTROL W/O PRE-COLLISION SYSTEM HEATER WHT WIRE WIPER FUSE WIPER RELAY YEL WIRE

AIR CONDITIONING CONTROL ASSEMBLY 2 BLK WIRE BLU WIRE CLOCK ASSEMBLY COMBINATION SWITCH ASSEMBLY ECU-B 4 FUSE ELECTRIC PARKING BRAKE SWITCH ASSEMBLY EPB 1 FUSE EPB 2 FUSE FOLD SEAT SWITCH ASSEMBLY FROM FUSIBLE LINK BLOCK ASSEMBLY (DIAGRAM 1 OF 10) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 6 OF 10) FRONT CONSOLE BOX LIGHT (INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) FRONT REFRESHING SEAT SWITCH FUSE BLOCK ASSEMBLY 2 GLOVE BOX LIGHT ASSEMBLY GRN WIRE GRY WIRE INSTRUMENT PANEL J/B ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY MULTI- DISPLAY ASSEMBLY ORG/ WIRE PARKING BRAKE ECU ASSEMBLY PNK WIRE RADIO RECEIVER ASSEMBLY REAR CONSOLE BOX LIGHT (INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) REAR REFRESHING SEAT SWITCH (W/ SEAT HEATER) RED WIRE REMOTE OPERATION CONTROLLER RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY SHIFT POSITION INDICATOR SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 2 OF 10) TRIP SWITCH VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE