Lexus RC F I facelift (2018-2024) main body ecu Wiring diagrams

ACC RELAY ACT- 9 10 ACT+ BLK WIRE BLU WIRE BZR 22 23 CANN DMDR DMON DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DRLE ECU-ACC FUSE ECU-B FUSE FLCL FRCL FUEL GRN WIRE GSW HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LGCY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MILE 5 6 PNK TSW WIRE OC (RIGHT KICK PANEL) PNK CANP WIRE PNK WIRE POWER WINDOWS SYSTEM RED WIRE RELAY ENERGIZED SSCL 19 20 SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY ACAN BLK WIRE BLU WIRE CERTIFICATION ECU CLTB CLTE CLTS COMBINATION METER ASSEMBLY DOOR LOCKS, ANTI-THEFT SYSTEMS GRN WIRE GRY WIRE HEAD HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LT GRN WIRE MAIN BODY ECU NETWORK GATEWAY ECU ORG/ WIRE PNK WIRE RED WIRE RIGHT END OF DASH) STEERING COLUMN) STEERING SENSOR TAIL TCYL TMSW TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WARNING SYSTEMS WHT WIRE YAW RATE SENSOR YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM DBCL DRDC ECU-B FUSE ENGINE ROOM R/B ASSEMBLY 1 FRV- GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT POSITION CONTROL ECU, SWITCH ASSEMBLY LEFT POWER SEAT LIFT MOTOR (LEFT FRONT SEAT ADJUSTER ASSEMBLY) LEFT POWER SEAT SLIDE MOTOR (LEFT FRONT SEAT ADJUSTER ASSEMBLY) LFT- LT BLU WIRE LT GRN WIRE MAIN BODY ECU MPX-B 1 FUSE P/SEAT F/L FUSE PASSIVE RESTRAINTS SYSTEM PNK WIRE RCL- RED WIRE RELAY ENERGIZED SGND SLD SSRL SSRS SYSB VIO WIRE W/ SEAT HEATER W/O SEAT HEATER WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM ECU-B FUSE ENGINE ROOM R/B ASSEMBLY 1 FDWN FUP GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LFT- LT GRN WIRE MAIN BODY ECU MPX-B 1 FUSE P/SEAT (FR) FUSE PASSIVE RESTRAINTS SYSTEM PBCL PNK WIRE RCL- RED WIRE RELAY ENERGIZED RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT POSITION CONTROL ECU, SWITCH ASSEMBLY RIGHT POWER SEAT LIFT MOTOR (RIGHT FRONT SEAT ADJUSTER ASSEMBLY) RIGHT POWER SEAT SLIDE MOTOR (RIGHT FRONT SEAT ADJUSTER ASSEMBLY) SGND SLD SSRC SSRL SSRS SYSB VIO WIRE W/ SEAT HEATER W/O SEAT HEATER WHT WIRE WHT/BLK WIRE

A/C AMPLIFIER ASSEMBLY A/C FUSE AMP 1 FUSE AMP 2 FUSE BLK WIRE BLU WIRE COMBINATION METER ASSEMBLY DATA LINK CONNECTOR 3 DOME CUT RELAY DOME FUSE DOOR F/R FUSE DRIVER'S DOOR ECU-B FUSE FROM DOOR F/L FUSE (DIAGRAM 7 OF 8) FROM ENGINE ROOM R/B ASSEMBLY 1 (DIAGRAM 1 OF 8) FRONT STEERING CONTROL ECU GRN WIRE HAZ FUSE ID CODE BOX INSTRUMENT PANEL J/B ASSEMBLY J/B-AM FUSE J/B-B FUSE LEFT POSITION CONTROL ECU, SWITCH ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MULTI- DISPLAY ASSEMBLY MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU NAVIGATION ECU OBD FUSE OCCUPANT DETECTION ECU ODS FUSE ORG/ WIRE P/SEAT (FR) FUSE P/SEAT F/L FUSE P/W FUSE RADIO FUSE RADIO RECEIVER ASSEMBLY REMOTE OPERATION CONTROLLER ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT POSITION CONTROL ECU, SWITCH ASSEMBLY RIGHT POWER WINDOW REGULATOR MOTOR ASSEMBLY S/ROOF FUSE SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) SMART FUSE STEERING LOCK ACTUATOR ASSEMBLY STEREO COMPONENT AMPLIFIER ASSEMBLY STRG LOCK FUSE TI, TE FUSE TO CERTIFICATION ECU (DIAGRAM 1 OF 8) TO D/L FUSE (DIAGRAM 4 OF 8) VIO WIRE W/ MEMORY W/O MEMORY WHT WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY A/C CONTROL ASSEMBLY BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY BLK WIRE CLEARANCE WARNING ECU ASSEMBLY DIODE (PARK/ NEUTRAL POSITION SWITCH ASSEMBLY) ENGINE ROOM R/B ASSEMBLY 3 (LEFT REAR OF ENGINE COMPT) FORWARD RECOGNITION CAMERA FORWARD RECOGNITION W/ HEATER HOOD SUB-ASSEMBLY FRONT WIPER DEICER SWITCH GRY WIRE INNER REAR VIEW MIRROR ASSEMBLY LEFT FRONT SEAT OUTER BELT ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT POSITION CONTROL ECU, SWITCH ASSEMBLY MAIN BOARD MAIN BODY ECU MAP LIGHT ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU PNK WIRE PTC HTR 1 RELAY PTC HTR 2 RELAY RADIO RECEIVER ASSEMBLY RAIN SENSOR RED WIRE REFRESHING SEAT SWITCH RIGHT FRONT SEAT OUTER BELT ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT POSITION CONTROL ECU, SWITCH ASSEMBLY SKID CONTROL BUZZER ASSEMBLY SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) SMOG VENTILATION SENSOR STEERING SENSOR STEREO COMPONENT EQUALIZER ASSEMBLY STRG HTR RELAY ENGINE ROOM R/B ASSEMBLY 3 TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) VEHICLE SOUND SWITCH VIO WIRE

ACC RELAY BKUP LP FUSE BKUP LP RELAY BLIND SPOT MONITOR MAIN SWITCH (WARNING CANCELING SWITCH ASSEMBLY) BLK WIRE BLU WIRE CLOCK ASSEMBLY DIODE (PARK/ NEUTRAL POSITION SWITCH ASSEMBLY) DOOR F/L FUSE DRIVING SUPPORT ECU ASSEMBLY ECU-ACC FUSE FROM CERTIFICATION ECU (DIAGRAM 1 OF 8) FROM ENGINE ROOM J/B ASSEMBLY 1 (DIAGRAM 1 OF 8) GLOVE BOX LIGHT ASSEMBLY GRN WIRE HEADLIGHT CLEANER CONTROL RELAY LEFT BLIND SPOT MONITOR SENSOR LEFT CORNERING LIGHT ASSEMBLY LEFT HEADLIGHT CONTROL ECU SUB-ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LEFT SEAT HEATER ASSEMBLY (LEFT FRONT SEAT CUSHION W/ COVER PAD) LT GRN WIRE MAIN BODY ECU MULTI- DISPLAY ASSEMBLY NETWORK GATEWAY ECU ORG/ WIRE P/OUTLET 1 FUSE P/OUTLET RELAY PNK WIRE POWER OUTLET SOCKET ASSEMBLY 1 RADIO RECEIVER ASSEMBLY REAR CROSS TRAFFIC ALERT BUZZER (BLIND SPOT MONITOR BUZZER) RED WIRE REMOTE OPERATION CONTROLLER ASSEMBLY RIGHT BLIND SPOT MONITOR SENSOR RIGHT CORNERING LIGHT ASSEMBLY RIGHT HEADLIGHT CONTROL ECU SUB-ASSEMBLY RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY RIGHT SEAT HEATER ASSEMBLY (RIGHT FRONT SEAT CUSHION W/ COVER PAD) S/HTR F/L FUSE S/HTR F/R FUSE STEREO COMPONENT AMPLIFIER ASSEMBLY TIRE PRESSURE MONITOR INITIATOR DRIVER TO ENGINE ROOM J/B ASSEMBLY 2 (DIAGRAM 3 OF 8) TO ENGINE ROOM R/B ASSEMBLY 2 (DIAGRAM 3 OF 8) TO TI, TE FUSE (DIAGRAM 5 OF 8) TO TRUNK OPN (DIAGRAM 8 OF 8) VIO WIRE W/ CLIMATE CONTROL SEAT W/ MEMORY W/O CLIMATE CONTROL SEAT W/O NAVIGATION WHT WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIPER SW-IG FUSE YEL WIRE

A/C CONTROL ASSEMBLY AUTO HIGH BEAM SWITCH BACK SONAR/ CLEARANCE SONAR SWITCH ASSEMBLY BLIND SPOT MONITOR MAIN SWITCH (WARNING CANCELING SWITCH ASSEMBLY) BLK WIRE BLU WIRE CLOCK ASSEMBLY COMBINATION SWITCH ASSEMBLY FROM DOOR F/L FUSE (DIAGRAM 7 OF 8) FRONT WIPER DEICER SWITCH GRN WIRE INSTRUMENT PANEL J/B ASSEMBLY LEFT FRONT MARKER LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY MAIN BODY ECU MAP LIGHT ASSEMBLY MULTI- DISPLAY ASSEMBLY MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY PANEL FUSE PARKING BRAKE SWITCH ASSEMBLY POWER WINDOW REGULATOR SWITCH ASSEMBLY RADIO RECEIVER ASSEMBLY REFRESHING SEAT SWITCH REMOTE OPERATION CONTROLLER ASSEMBLY RIGHT FRONT MARKER LIGHT ASSEMBLY RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY SEMICONDUCTOR POWER INTEGRATION ECU ENGINE ROOM J/B ASSEMBLY 2 SHIFT POSITION INDICATOR SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY TAIL FUSE TAIL RELAY TRIP SWITCH TRUNK OPN FUSE TRUNK OPN RELAY VEHICLE SOUND SWITCH VIO WIRE W/ ASC W/ MEMORY W/O MEMORY W/ PARKING ASSIST W/ SEAT HEATER

A/C CONTROL ASSEMBLY AUTO BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRN WIRE CAN I/F CANADA USA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B FUSE GRN WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LBR- LED DRIVER LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR SEAT INNER BELT ASSEMBLY 1 LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU METER FUSE OFF DRL OFF RBR- REAR PASSENGER'S SEAT BELT WARNING LIGHT RED WIRE RELAY ENERGIZED RIGHT REAR SEAT INNER BELT ASSEMBLY 1 RLID RLMT RLSB RRID (IF EQUIPPED) RRMT RRSB SPEAKER TAIL TELLTALES VIO WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F CERTIFICATION ECU COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CSEL DATA DISPLAY DRIVER ECU-B FUSE GRN WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B ASSEMBLY J/B-AM FUSE LED DRIVER LEFT "C" PILLAR) LT GRN WIRE MAIN BODY ECU METER FUSE OA (LEFT KICK PANEL) RCO RDAM RED WIRE RELAY ENERGIZED RIGHT END OF DASH) TELLTALES TIRE PRESSURE WARNING RESET SWITCH (TIRE PRESSURE WARNING SWITCH) WHT WIRE WHT/BLK WIRE YEL WIRE