Wiring diagrams for Lexus RX
Access to the online wiring database Lexus RX IV (2015-2019)
Cruise control circuit, w/o dynamic radar controls (1 of 3)
Cruise control circuit, w/o dynamic radar controls (1 of 3)
Cruise control circuit, w/ dynamic radar controls (1 of 3)
Cruise control circuit, w/ dynamic radar controls (1 of 3)
Rear folding seat circuit (1 of 2)
Rear folding seat circuit (1 of 2)
Anti-lock brakes circuit (1 of 4)
Anti-lock brakes circuit (1 of 4)
A/t circuit (1 of 3)
A/t circuit (1 of 3)
Computer data lines circuit (1 of 4)
Computer data lines circuit (1 of 4)
Forced entry circuit (1 of 5)
Forced entry circuit (1 of 5)
Courtesy lamps circuit (1 of 4)
Courtesy lamps circuit (1 of 4)
Instrument illumination circuit (1 of 4)
Instrument illumination circuit (1 of 4)
Instrument cluster circuit (1 of 3)
Instrument cluster circuit (1 of 3)

Wiring Diagrams for Lexus RX IV (2015-2019)

  • Description:
    Engines: 3.5L, 3.5L HYBRID
  • Systems: 194 Components: 1821
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  • Finding components on wiring diagrams
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List of components:

A/C EVAPORATOR TEMPERATURE SENSOR A/C PRESSURE SENSOR ACCELERATOR PEDAL SENSOR ASSEMBLY ACCELERATOR POSITION SENSOR ASSEMBLY AIR BAG SENSOR ASSEMBLY AUTOMATIC LIGHT CONTROL SENSOR BATTERY STATE SENSOR ASSEMBLY BATTERY VOLTAGE SENSOR BRAKE PEDAL STROKE SENSOR ASSEMBLY CANISTER PRESSURE SENSOR CRANK POSITION SENSOR E.F.I. ENGINE COOLANT TEMPERATURE SENSOR EFI VACUUM SENSOR ASSEMBLY FUEL TANK PRESSURE SENSOR LEFT ACCELERATION SENSOR LEFT BLIND SPOT MONITOR SENSOR LEFT BLINDSPOT MONITOR SENSOR LEFT DOOR SIDE AIR BAG SENSOR LEFT FRONT AIR BAG SENSOR LEFT FRONT CENTER ULTRASONIC SENSOR 1 LEFT FRONT SKID CONTROL SENSOR WIRE LEFT FRONT SPEED SENSOR LEFT FRONT ULTRASONIC SENSOR 1 LEFT POWER BACK DOOR SENSOR ASSEMBLY LEFT REAR AIR BAG SENSOR LEFT REAR CENTER ULTRASONIC SENSOR 1 LEFT REAR OCCUPANT CLASSIFICATION SENSOR LEFT REAR SPEED SENSOR LEFT REAR ULTRASONIC SENSOR 1 MILLIMETER WAVE RADAR SENSOR ASSEMBLY POWER STEERING TORQUE SENSOR ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY RAIN SENSOR REAR EMBLEM SENSOR ASSEMBLY RIGHT ACCELERATION SENSOR RIGHT BLIND SPOT MONITOR SENSOR RIGHT BLINDSPOT MONITOR SENSOR RIGHT DOOR SIDE AIR BAG SENSOR RIGHT FRONT AIR BAG SENSOR RIGHT FRONT CENTER ULTRASONIC SENSOR 1 RIGHT FRONT SKID CONTROL SENSOR WIRE RIGHT FRONT SPEED SENSOR RIGHT FRONT ULTRASONIC SENSOR 1 RIGHT POWER BACK DOOR SENSOR ASSEMBLY RIGHT REAR AIR BAG SENSOR RIGHT REAR CENTER ULTRASONIC SENSOR 1 RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RIGHT REAR OCCUPANT CLASSIFICATION SENSOR RIGHT REAR SPEED SENSOR RIGHT REAR ULTRASONIC SENSOR 1 SEAT POSITION AIR BAG SENSOR SHIFT LEVER POSITION SENSOR SMOG VENTILATION SENSOR SOLAR SENSOR STEERING SENSOR TORQUE SENSOR VAPOR PRESSURE SENSOR ASSEMBLY YAW RATE SENSOR ASSEMBLY

A/C SWITCH AUTO HIGH BEAM SWITCH AUTO MIRROR RETRACT SWITCH BACK DOOR OPENER SWITCH ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR BUCKLE SWITCH COMBINATION SWITCH ASSEMBLY CRUISE CONTROL MAIN SWITCH DIMMER SWITCH DOOR CONTROL SWITCH DOOR LOCK SWITCH DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE UP SWITCH ECO SWITCH ELECTRIC PARKING BRAKE SWITCH ASSEMBLY ENGINE OIL PRESSURE SWITCH ASSEMBLY ENGINE SWITCH FOG SWITCH FOLD SEAT SWITCH ASSEMBLY FRONT PASSENGER SIDE CONTROL SWITCH FRONT REFRESHING SEAT SWITCH FRONT SEAT BLOWER SWITCH FRONT SEAT HEATER SWITCH FRONT WIPER SWITCH HAZARD SWITCH HEADLIGHT DIMMER SWITCH ASSEMBLY HORN SWITCH INTER LOCK SWITCH INTERLOCK SWITCH INTERMITTENT SWITCH LANE DEPARTURE WARNING SWITCH LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT LUMBAR POWER SEAT SWITCH LEFT FRONT POWER SEAT SWITCH LEFT PADDLE SHIFT SWITCH LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR POWER SEAT SWITCH LEFT REAR SIDE CONTROL SWITCH LEFT SEAT MEMORY SWITCH LEFT SEAT VARIABLE CUSHION SWITCH LEFT STEERING PAD SWITCH LIGHT CONTROL SWITCH MANUAL MIRROR RETRACT SWITCH MIRROR ADJUST SWITCH MIRROR SELECT SWITCH MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY P DETECTION SWITCH PARK/NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH ASSEMBLY POWER BACK DOOR SWITCH POWER SWITCH REAR REFRESHING SEAT SWITCH REAR SEAT HEATER SWITCH REAR WINDOW DEFOGGER SWITCH, MIRROR HEATER SWITCH REAR WIPER SWITCH RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT FRONT LUMBAR POWER SEAT SWITCH RIGHT FRONT POWER SEAT SWITCH RIGHT PADDLE SHIFT SWITCH RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR POWER SEAT SWITCH RIGHT REAR SIDE CONTROL SWITCH RIGHT SEAT VARIABLE CUSHION SWITCH RIGHT STEERING PAD SWITCH RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY STEERING HEATER SWITCH STEERING PAD SWITCH ASSEMBLY STOP LIGHT SWITCH ASSEMBLY TELEVISION SWITCH, VOLUME ASSEMBLY TILT, TELESCOPIC SWITCH TRIP SWITCH VCS OFF SWITCH VOLUME SWITCH WASHER SWITCH WINDOW LOCK SWITCH WINDSHIELD WIPER SWITCH ASSEMBLY WIPER DEICER SWITCH

1) 2) NEUTRAL RIGHT LANE CHANGE RIGHT TURN 3) 4) 5) (IF (W/ CORNERING (W/O CORNERING +BC +BM +BWP A/C RADIATOR DAMPER SERVO SUB-ASSEMBLY 1 A/C RADIATOR DAMPER SERVO SUB-ASSEMBLY 2 AIR CONDITIONING SYSTEM AIR CONDITIONING, BODY COMPUTER SYSTEMS ALT BATT ANTI-THEFT ANTI-THEFT SYSTEM ANTI-THEFT, DOOR LOCKS SYSTEMS AUTO INT AUTOMATIC HIGH BEAM B+ BUS BBI+ BBL+ BBO- BBR+ BCB+ BCL+ BCR+ BCV- BD+2 BD- BD-2 BDL- BLIND SPOT MONITOR IND BLOWER DAMPER SERVO SUB-ASSEMBLY BODY COMPUTER SYSTEM BRAKE CONTROL POWER SUPPLY ASSEMBLY BRAKE STROKE SIMULATOR CYLINDER SUB-ASSEMBLY BTH+ BUS - BUS G CA+ CAN CPU I/F CAN I/F CAN L CANADA USA CANL CANH CANL SHIELD AGND SHIELD SG CB+ CENTER BUSBAR MODULE CENTER STOP LIGHT ASSEMBLY CLEARANCE WARNING BUZZER 1 CLK+ CLOCK ASSEMBLY CLUSTER SYSTEM COMBINATION METER ASSEMBLY COMPRESSOR W/ PULLEY ASSEMBLY COMPUTER DATA COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT COOLING FAN COOLING FANS SYSTEM CRUISE CONTROL CRUISE CONTROL SYSTEM CRUISE CONTROL, NAVIGATION SYSTEMS CSW+ CTR + CV+ DATA LINES DC- DCV+ DEFOGGER SYSTEM DISPLAY DRIVER DISTANCE CONTROL DK+ DOME LIGHT DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOWN AUTO DOWN FRONT DOWN MANUAL DRIVER DISPLAY DRL OFF DRL OFF OFF DRL/ PARKING EC+ ECI+ ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY ELECTRONIC POWER STEERING SYSTEM ELECTRONIC SUSPENSION SYSTEM ETM- EV MODE EX+ FAL+ FAR- FCP+ FE CANH FLA- FLASHER CIRCUIT FP- FPD + FRONT VERTICAL FRONT WIPER/WASHER CIRCUIT FRR+ FRV- FSW+ FUEL SUCTION FUSIBLE LINK BLOCK ASSEMBLY FUSIBLE LINK MAIN GARAGE DOOR OPENER GLOVE BOX LIGHT ASSEMBLY HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT W/ HTM- I.C IC 1 IC 2 ICL- ICR+ ID CODE BOX ILL ILL INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B ASSEMBLY INSTRUMENT PANEL J/B J/B ASSEMBLY INSTRUMENT PANEL PASSENGER AIR BAG W/O DOOR ASSEMBLY INTAKE MASS AIR FLOW METER SUB-ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 INVERTER W/ CONVERTER ASSEMBLY JUNCTION TERMINAL KEY UNLOCK LCB+ LCV- LED DRIVER LEFT "C" PILLAR) LEFT BUSBAR MODULE LEFT CORNERING LIGHT ASSEMBLY LEFT CURTAIN SHIELD AIR BAG ASSEMBLY LEFT FOG LIGHT ASSEMBLY LEFT FRONT LEFT FRONT DOOR COURTESY LIGHT ASSEMBLY LEFT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LEFT FRONT SEAT AIR BAG ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT FRONT SEAT OUTER BELT ASSEMBLY LEFT FRONT SHOCK ABSORBER ASSEMBLY LEFT HEADPHONE TERMINAL LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR DOOR COURTESY LIGHT ASSEMBLY LEFT REAR DOOR OUTSIDE HANDLE ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT REAR SEAT AIR BAG ASSEMBLY LEFT REAR SHOCK ABSORBER ASSEMBLY LEFT SEAT BACK CLIMATE CONTROL BLOWER LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LEFT SPOT LIGHT LEFT TELEVISION DISPLAY ASSEMBLY LEFT TURN IND LEFT TURN LEFT LANE CHANGE LEFT TURN LEFT LANE CHANGE 1) 2) LEFT TURN LEFT LANE CHANGE 1) 2) NEUTRAL RIGHT LANE CHANGE RIGHT TURN 3) 4) 5) LEFT VANITY LIGHT ASSEMBLY LEFT VISOR ASSEMBLY LFT- LH FOLD LH RETURN LIGHT CONTROL LINES SYSTEM LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 1 LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 1 KNEE AIR BAG LSP + LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 M- M+ MAIN BOARD MAIN BOARD MAP LIGHT ASSEMBLY MAP LIGHT MAP LIGHT ASSEMBLY MCI- MCO- MEMORY SYSTEMS METER MIRROR SUB-ASSEMBLY MG+ MI+ MICRO COMPUTER MIRRORS SYSTEM MIST OFF AUTO INT MO- MOBILE WIRELESS CHARGER CRADLE ASSEMBLY MRL+ MSM+ MTH+ MULTI- DISPLAY ASSEMBLY MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY NAVIGATION SYSTEM NAVIGATION, SOUND SYSTEMS NE+ NEUTRAL RIGHT LANE CHANGE RIGHT TURN 3) 4) 5) NORMAL CUSTOMIZE NOT USED NOT USED ODO TRIP OFF HOOK ON HOOK ON OFF PASSIVE RESTRAINTS SYSTEM PL- PLR+ POWER BACK DOOR POWER BACK DOOR WARNING BUZZER POWER DISTRIBUTION SYSTEM POWER SUPPLY CIRCUIT POWER TOPS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS, DEFOGGER, MEMORY SYSTEMS POWER WINDOWS, DOOR LOCKS, ANTI-THEFT, MEMORY SYSTEMS PR- PRETENSIONER LEFT REAR SEAT OUTER BELT ASSEMBLY 1 PRR- PURGE VSV R CL R-U R-V R-W RADIO RECEIVER ASSEMBLY RAL+ RAR+ RCB+ RCL- REMOTE OPERATION CONTROLLER REQ+ RESTRAINTS SYSTEM RH FOLD RH RETURN RIGHT BUSBAR MODULE RIGHT CORNERING LIGHT ASSEMBLY RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY RIGHT END OF DASH) RIGHT FOG LIGHT ASSEMBLY RIGHT FRONT RIGHT FRONT DOOR COURTESY LIGHT ASSEMBLY RIGHT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RIGHT FRONT DOOR SCUFF PLATE RIGHT FRONT SEAT AIR BAG ASSEMBLY RIGHT FRONT SEAT CUSHION AIR BAG ASSEMBLY RIGHT FRONT SEAT INNER BELT ASSEMBLY RIGHT FRONT SEAT OUTER BELT ASSEMBLY RIGHT FRONT SHOCK ABSORBER ASSEMBLY RIGHT HEADPHONE TERMINAL RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT ASSEMBLY RIGHT REAR DOOR OUTSIDE HANDLE ASSEMBLY RIGHT REAR LIGHT ASSEMBLY RIGHT REAR SEAT AIR BAG ASSEMBLY RIGHT REAR SEAT OUTER BELT ASSEMBLY 1 PRETENSIONER RIGHT REAR SHOCK ABSORBER ASSEMBLY RIGHT SEAT BACK CLIMATE CONTROL BLOWER RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY RIGHT SPOT LIGHT RIGHT TELEVISION DISPLAY ASSEMBLY RIGHT TURN IND RIGHT VANITY LIGHT ASSEMBLY RIGHT VISOR ASSEMBLY RLA- RLR+ ROOF CLOSE ROOF OPEN RRA+ RRR + SCB+ SCV+ SEATS SYSTEM SEATS, NAVIGATION SYSTEMS SECURITY IND SELECTABLE FORCE LIMITER SERVICE PLUG SET- SFL- SFR- SG-1 SG-2 SG-4 SG-5 SG-6 SG-7 SG-8 SHADE CLOSE SHADE CLOSE DOWN SHADE OPEN SHADE OPEN UP SHIELD SHIELD SHIFT INTERLOCK SYSTEM SHP+ SKID CONTROL BUZZER ASSEMBLY SL- SLC+ SLDR LUP SLS+ SLT- SLU+ SOL + SP- SPD SHIELD SGND SPI+ SPIRAL CABLE SUB-ASSEMBLY SPO- SPORT S/S+ SPOT LIGHT ASSEMBLY SR- SRL- SRR+ SSR+ STARTING CIRCUIT STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM STEERING WHEEL) STEREO JACK ADAPTER ASSEMBLY 1 STP+ SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE MICROPHONE ASSEMBLY TELESCOPIC SHORTEN TELESCOPIC STRETCH THR+ TILT DOWN TILT UP TOUCH - TOWING CONVERTER TOWING HITCH TRANSMISSIONS SYSTEM TRN+ TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN IND TURN SIGNAL TX+1 TX-1 UP AUTO USA CANADA USA CANADA W/O CORNERING LIGHT W/ CORNERING LIGHT VOLTAGE INVERTER ASSEMBLY VOR- VOT+ VSC OFF VV- VVL+ VVR+ W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ ADAPTIVE VARIABLE SUSPENSION W/O ADAPTIVE VARIABLE SUSPENSION W/ AUTO WIPER SYSTEM W/O AUTO WIPER SYSTEM W/ CLIMATE CONTROL SEAT W/ CORNERING LIGHT W/ ENFORM W/ LEXUS ENFORM W/ NAVIGATION W/ REAR SEAT ENTERTAINMENT SYSTEM W/ REAR SEAT ENTERTAINMENT SYSTEM W/O REAR SEAT ENTERTAINMENT SYSTEM W/ ROOF SUNSHADE SYSTEM W/ ROOF SUNSHADE SYSTEM W/O ROOF SUNSHADE SYSTEM W/ SAFETY W/ SEAT VARIABLE CUSHION W/ SEAT VARIABLE CUSHION W/O SEAT VARIABLE CUSHION W/O ADAPTIVE VARIABLE SUSPENSION W/O CORNERING LIGHT W/O DYNAMIC RADAR CONTROLS W/O ENFORM W/O NAVIGATION W/O PANORAMIC VIEW MONITOR SYSTEM W/O SAFETY W/O SEAT VARIABLE CUSHION WARNING SYSTEMS WATER INLET W/ THERMOSTAT SUB-ASSEMBLY WFL- WFR- WIPER/ WASHER SYSTEM WIPER/ WASHER, MIRRORS SYSTEMS WIPER/WASHER SYSTEM