Wiring diagrams for Lexus IS
Access to the online wiring database Lexus IS III facelift (2015-2020)
Headlamps leveling circuit
Headlamps leveling circuit
Charging circuit
Charging circuit
Headlamp washer circuit
Headlamp washer circuit
Front deicer circuit
Front deicer circuit
Active sound control circuit
Active sound control circuit
Rear window sun shade circuit
Rear window sun shade circuit
Rear defogger & heated mirrors circuit
Rear defogger & heated mirrors circuit
Front wiper/washer circuit
Front wiper/washer circuit
Starting circuit
Starting circuit
Power tilt steering column circuit
Power tilt steering column circuit

Wiring diagrams for Lexus IS III facelift (2015-2020)

  • Description:
    Engines: 2.0L TURBO, 3.5L
  • Systems: 148 Components: 244
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List of components:

A/C SWITCH AUTO HIGH BEAM SWITCH AUTO WIPER SWITCH BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY BUCKLE SWITCH COMBINATION SWITCH ASSEMBLY CRUISE CONTROL MAIN SWITCH DIMMER SWITCH DOOR LOCK, UNLOCK SWITCH DOOR UNLOCK SWITCH SUB-ASSEMBLY DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE UP SWITCH ECO MODE SWITCH ENGINE OIL PRESSURE SWITCH ASSEMBLY ENGINE SWITCH FOG LIGHT SWITCH FRONT LUMBAR POWER SEAT SWITCH FRONT PASSENGER SIDE POWER WINDOW SWITCH FRONT WINDOW DEICER SWITCH OUTER MIRROR HEATER SWITCH ASSEMBLY HAZARD SWITCH HEADLAMP DIMMER SWITCH ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY HORN SWITCH KICK DOWN SWITCH ASSEMBLY LANE DEPARTURE ALERT SWITCH LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT DOOR COURTESY SWITCH ASSEMBLY LEFT FRONT POWER SEAT SWITCH LEFT PADDLE SHIFT SWITCH LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR SIDE POWER WINDOW SWITCH LEFT SEAT MEMORY SWITCH LEFT STEERING PAD SWITCH LEVEL WARNING SWITCH ASSEMBLY LIGHT CONTROL SWITCH LIGHT SWITCH LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY LUGGAGE DOOR OPENING CANCEL SWITCH SWITCH ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH MIRROR ADJUST SWITCH MIRROR L SELECT SWITCH IND MIRROR R SELECT SWITCH IND MIRROR R/L SELECT SWITCH MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY OFF WIPER SWITCH OUTER MIRROR HEATER SWITCH ASSEMBLY P POSITION DETECTION SWITCH PARK/ NEUTRAL POSITION SWITCH ASSEMBLY PARK/NEUTRAL POSITION SWITCH ASSEMBLY PARKING BRAKE SWITCH ASSEMBLY POWER WINDOW SWITCH REAR SUN SHADE SWITCH ASSEMBLY REAR SUNSHADE SWITCH ASSEMBLY REAR WINDOW DEFOGGER SWITCH, MIRROR HEATER SWITCH REFRESHING SEAT SWITCH REMOTE OPERATION SWITCH RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT FRONT POWER SEAT SWITCH RIGHT PADDLE SHIFT SWITCH RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR SIDE POWER WINDOW SWITCH RIGHT STEERING PAD SWITCH SELECT SWITCH SHIFT SWITCH SLIDING ROOF CONTROL SWITCH SNOW MODE SWITCH STEERING PAD SWITCH ASSEMBLY STOP LAMP SWITCH ASSEMBLY STOP LIGHT SWITCH ASSEMBLY SWITCH DOME LIGHT TILT, TELESCOPIC SWITCH TRIP SWITCH UNLOCK SWITCH VACUUM WARNING SWITCH ASSEMBLY VEHICLE SOUND SWITCH VOLUME SWITCH INT SWITCH VSC OFF SWITCH WASHER SWITCH WINDOW LOCK SWITCH WINDSHIELD WIPER SWITCH ASSEMBLY

2 3 RCTY 2.0L TURBO 2.0L TURBO 3.5L 3.5L 3.5L 2.0L TURBO 3.5L 2.0L TURBO W/ ADAPTIVE FRONT LIGHTING SYSTEM (IF (LOWER REAR OF DRIVER'S DOOR (RIGHT SIDE OF TRANSMISSION +BI 8 9 +BM +BO +S CANL -TW A/C CONTROL ASSEMBLY A/C HARNESS ASSEMBLY ACT- 9 10 ACT+ AIR CONDITIONING SYSTEM AIR CONDITIONING, COOLING FANS SYSTEMS AIR CONDITIONING, DEFOGGER SYSTEMS AIR CONDITIONING, HEADLIGHTS SYSTEMS ANTI-THEFT SYSTEM ANTI-THEFT, DOOR LOCKS SYSTEMS AUTO DRL OFF OFF TAIL AUTO OFF DRL OFF B+ BUS BACK-UP BACKUP LAMPS CIRCUIT BBL+ BBR+ BCL+ BCR+ BDL- BMU 4 5 BMU+ BMV+ BMW+ BSL+ BSR+ BUS - BUS G BZR 22 23 CA+ CAN I/F CAN I/F ES CAN JUNCTION TERMINAL 1 CAN JUNCTION TERMINAL 2 CANADA USA CANADA USA W/ ADAPTIVE FRONT LIGHTING SYSTEM CANL CANH CB+ CBR+ CENTER STOP LIGHT ASSEMBLY CHARGING CIRCUIT CLEARANCE WARNING BUZZER 1 CLOCK ASSEMBLY COMBINATION METER ASSEMBLY COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT COOLER COMPRESSOR ASSEMBLY COOLING FAN COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL, COMPUTER DATA LINES, NAVIGATION, WARNING SYSTEMS CRUISE CONTROL, WIPER/WASHER, MIRRORS, POWER TOPS, NAVIGATION SYSTEMS CSS+ CTR + CUSHION CENTER CV+ DATA LINES DEFOGGER SYSTEM DISPLAY DRIVER DISTANCE CONTROL DK+ DOME LIGHT DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR UNLOCK DOWN AUTO DOWN MANUAL DRIVER DISPLAY DRIVER SIDE DRIVER'S DOOR DRL L DRL OFF DRL OFF OFF DRL R DRL/ PARKING E FL E FR E RL E RR EC MIRROR EC+ ECI+ ELECTROCHROMIC MIRROR CIRCUIT ELECTRONIC POWER STEERING SYSTEM ELECTRONIC SUSPENSION SYSTEM ENTER LEFT EX+ F IN F OT FAL+ FAR- FBL- FBR- FDWN LUP FLASHER CIRCUIT FLCY CANL FOOT LIGHT FP- FPD + FRONT PASSENGER SIDE FRONT SIDE MARKER FRONT TIRE PRESSURE MONITOR INITIATOR FRONT VERTICAL FRV- FSW+ FUEL RETURN VENT TUBE SUB-ASSEMBLY FUEL SENDER GAUGE FUEL TANK VENT TUBE ASSEMBLY FUP SLDR GLOVE BOX LIGHT ASSEMBLY GROUND J/C 1 HAZM LL HEADLIGHTS SYSTEM HEADLIGHTS, WIPER/ WASHER SYSTEMS HORNS SYSTEM HORNS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT W/ ICL- ICR+ ID CODE BOX IG 15 16 IL+2 ILLUMINATION CIRCUIT INJECTOR DRIVER SHIELD INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B ASSEMBLY INSTRUMENT PANEL PASSENGER AIR BAG W/O DOOR ASSEMBLY INTAKE MASS AIR FLOW METER SUB-ASSEMBLY J/C 1 J/C 7 KA (LEFT KEY UNLOCK KICK PANEL) LBR- LCTY IG LED DRIVER LEFT "C" PILLAR) LEFT BLIND LEFT BLIND SPOT MONITOR IND LEFT CLEARANCE LIGHT ASSEMBLY LEFT CURTAIN SHIELD AIR BAG ASSEMBLY LEFT FOG LIGHT ASSEMBLY LEFT FRONT LEFT FRONT COURTESY LIGHT LEFT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY LEFT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LEFT FRONT MAP LEFT FRONT SEAT AIR BAG ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT FRONT SEAT OUTER BELT ASSEMBLY LEFT FRONT SHOCK ABSORBER LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT PADDLE LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT REAR SEAT 3 POINT TYPE OUTER BELT ASSEMBLY LEFT REAR SEAT BELT INNER ASSEMBLY 1 LEFT REAR SHOCK ABSORBER LEFT REAR, RIGHT REAR SIDE LEFT SEAT BACK CLIMATE CONTROL BLOWER LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LEFT TURN IND LEFT VANITY LIGHT ASSEMBLY LEFT VISOR ASSEMBLY LF+ LFT- LG+ LH - LH BOLSTER LH E LHM+ LIN 1 LOIL GND LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 1 LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 2 LSP + LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 M+ MV MAP LIGHT MAP LIGHT ASSEMBLY MCI- MCO- MEMORY, ELECTRONIC POWER STEERING SYSTEMS MEMORY, MIRRORS SYSTEMS MG+ MH+ VR HR MI+ MICRO - MIRROR DRIVE IC MIRROR R/L MIRRORS SYSTEM MIRRORS, MEMORY SYSTEMS MLP BSL+ MLP BSR+ MO- MSCL MSCH MSM+ MULTI- DISPLAY ASSEMBLY MV+ MV NAVIGATION SYSTEM NAVIGATION, SOUND SYSTEMS NE+ NT- ODO TRIP OFF DRL OFF OFF DRL OFF HEAD OFF HOOK ON HOOK ON OFF OUSN OUCS P-AB PASSENGER'S DOOR PASSIVE RESTRAINTS SYSTEM PGND PIG PK- PL- PLR+ POWER DISTRIBUTION SYSTEM POWER TOPS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS, MIRRORS, MEMORY SYSTEMS POWER WINDOWS, POWER TOPS SYSTEMS PR- PRR- PURGE VSV PUSH NORMAL R IN R OT RADIO RECEIVER ASSEMBLY RAL+ RAR+ RBL- RBR- RCL- RCLR LUP REAR PASSENGER'S SEAT BELT WARNING LIGHT REAR TIRE PRESSURE MONITOR INITIATOR REAR UP RF+ RG+ RH BOLSTER RH E RH- RHM + RIGHT BLIND RIGHT BLIND SPOT MONITOR IND RIGHT CLEARANCE LIGHT ASSEMBLY RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY RIGHT END OF DASH) RIGHT FOG LIGHT ASSEMBLY RIGHT FRONT RIGHT FRONT COURTESY LIGHT ASSEMBLY RIGHT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY RIGHT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RIGHT FRONT INNER SEAT BELT ASSEMBLY RIGHT FRONT MAP RIGHT FRONT SEAT AIR BAG ASSEMBLY RIGHT FRONT SEAT INNER BELT ASSEMBLY RIGHT FRONT SEAT OUTER BELT ASSEMBLY RIGHT FRONT SHOCK ABSORBER RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT OUTER REAR VIEW RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RIGHT PADDLE RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY RIGHT REAR SEAT 3 POINT TYPE OUTER BELT ASSEMBLY RIGHT REAR SEAT BELT INNER ASSEMBLY 1 RIGHT REAR SHOCK ABSORBER RIGHT SEAT BACK CLIMATE CONTROL BLOWER RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY RIGHT TURN IND RIGHT VANITY LIGHT ASSEMBLY RIGHT VISOR ASSEMBLY RV+ RZCS INSN RZG SRZG SEAT BACK) SEAT POSITION SEATS SYSTEM SEATS, MEMORY SYSTEMS SET- SFL- SFR- SG-1 SG-2 SG-3 SG-4 SHIELD SHIELD SHIFT INTERLOCK SYSTEM SHIFT INTERLOCK, DOOR LOCKS, ANTI-THEFT SYSTEMS SHP+ SIDE MARKER SIDE MARKER TURN SKID CONTROL BUZZER ASSEMBLY SL- SLC+ SLIDING ROOF SLIDING ROOF IND SLS+ SLT- SLU+ SOL + SPI+ SPO- SPORT S/S+ SPORT SPORT S/S+ SPOT LIGHT ASSEMBLY SPOT MONITOR SPSW PWMS SR- SRL- SRR+ SS+ SSCL 19 20 SSR+ STA STAR STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM STEERING COLUMN) STEREO COMPONENT EQUALIZER ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 STP+ SUPPLEMENTAL RESTRAINTS SYSTEM SW 6 TAIL AUTO HEAD TELESCO SHORTEN TELESCO STRETCH TELESCOPIC SHORTEN TELESCOPIC STRETCH THR+ TILT DOWN TILT UP TIRE PRESSURE MONITOR INITIATOR DRIVER TIRE PRESSURE MONITORING INITIATOR DRIVER TRANSMISSIONS SYSTEM TRANSMISSIONS, NAVIGATION, SOUND, CRUISE CONTROL SYSTEMS TRN+ TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS TURN LIGHT UNLOCK DETECTION UP AUTO UP BACK UP MANUAL USA CANADA W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT LIGHTING SYSTEM VA- VAL+ VAR+ VOICE RETURN VOLUME- VOR- VOT+ VV- VVE- VVI+ VVL+ VVR+ W/ ADAPTIVE FRONT LIGHTING W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT LIGHTING SYSTEM W/ AUTO WIPER SYSTEM, VGRS SYSTEM W/ AUTO WIPER SYSTEM, W/O VGRS SYSTEM W/ BACK GUIDE MONITOR W/ DYNAMIC RADAR CRUISE CONTROL W/O DYNAMIC RADAR CRUISE CONTROL W/ FRONT FOG LIGHT W/ HALOGEN W/ LED W/ LEXUS DISPLAY AUDIO SYSTEM W/ LEXUS DISPLAY AUDIO SYSTEM 2.0L TURBO W/ LEXUS DISPLAY AUDIO SYSTEM W/O LEXUS DISPLAY AUDIO SYSTEM W/ LEXUS ENFORM W/ LEXUS ENFORM, SAFETY CONNECT W/ LEXUS ENFORM, SAFETY CONNECT W/O LEXUS ENFORM, SAFETY CONNECT W/ MEMORY W/ MEMORY W/O MEMORY W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM W/ NAVIGATION W/O NAVIGATION 3.5L 2.0L TURBO W/ NAVIGATION W/O NAVIGATION W/ SAFETY CONNECT, W/ LEXUS ENFORM W/ NAVIGATION W/O NAVIGATION W/O DISPLAY AUDIO W/ DISPLAY AUDIO W/ PARKING ASSIST W/ REAR SIDE AIR BAG W/ SAFETY CONNECT W/ VGRS SYSTEM W/ VGRS W/O VGRS W/O ADAPTIVE FRONT LIGHTING W/O ADAPTIVE FRONT-LIGHTING SYSTEM W/O ADAPTIVE VARIABLE SUSPENSION W/O ADAPTIVE VARIABLE SUSPENSION W/ ADAPTIVE VARIABLE SUSPENSION 3.5L 2.0L TURBO W/O DYNAMIC RADAR CRUISE CONTROL W/O LED W/O LEXUS DISPLAY AUDIO SYSTEM W/O LEXUS DISPLAY AUDIO SYSTEM W/ LEXUS DISPLAY AUDIO SYSTEM W/O MEMORY W/O MEMORY W/ MEMORY W/O PRE-COLLISION SYSTEM WARNING SYSTEM WARNING SYSTEMS WARNING, MEMORY, DOOR LOCKS, ANTI-THEFT SYSTEMS WGV+ WIPER/ WASHER SYSTEM WIPER/WASHER SYSTEM WIRING HARNESS CONDENSER ASSEMBLY 1 WLF- WRF-