Lexus IS III (2013-2016) (under right front seat) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 GND SLD+ SLD- FRV- +B FRV+ LFT+ RCL+ LFT- RCL- 2 1 GND BLK WIRE BLU WIRE BLU/RED WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CERTIFICATION ECU (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) FR DOOR RH FUSE FR P/ SEAT RH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG 1 RELAY LH-IG FUSE LT GRN WIRE NETWORK GATEWAY ECU (RIGHT END OF DASH) PARK/ NEUTRAL POSITION SWITCH (TRANSMISSION ASSEMBLY) PNK SYSB WIRE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT LUMBAR POWER SEAT SWITCH RIGHT POWER SEAT LIFT POSITION MOTOR (UNDER RIGHT FRONT SEAT) RIGHT POWER SEAT LUMBAR SUPPORT MOTOR (RIGHT FRONT SEAT BACK) RIGHT POWER SEAT RECLINING POSITION MOTOR (RIGHT FRONT SEAT BACK) RIGHT POWER SEAT SLIDE POSITION MOTOR (UNDER RIGHT FRONT SEAT) RIGHT POWER SEAT VERTICAL POSITION MOTOR (UNDER RIGHT FRONT SEAT) WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/ GRN WIRE BLU WIRE BUCKLE SWITCH HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT SEAT INNER BELT ASSEMBLY (IN DRIVER'S SEAT BELT BUCKLE ASSEMBLY) LH-IG FUSE ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RELAY RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) W/ OCCUPANT CLASSIFICATION SYSTEM W/O OCCUPANT CLASSIFICATION SYSTEM WHT/BLK WIRE YEL WIRE

ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BRN WIRE CIG FUSE CIGARETTE LIGHTER ASSEMBLY ECU-IG RH FUSE FR DOOR LH FUSE FR S/ HTR RH FUSE FROM ENGINE ROOM J/B 1 (DIAGRAM 3 OF 5) FROM OBD FUSE (DIAGRAM 4 OF 5) FROM POWER SOURCE CONTROL ECU (DIAGRAM 3 OF 5) FUSE GRN WIRE JUNCTION LEFT COWL SIDE J/B (LEFT END OF DASH) LT GRN WIRE MEMORY SYSTEMS MEMORY, POWER WINDOWS SYSTEMS MIRRORS, MEMORY, DOOR LOCKS, ANTI-THEFT SYSTEMS NAVIGATION, SOUND SYSTEMS ORG/ WIRE PNK WIRE POWER OUTLET SOCKET ASSEMBLY POWER WINDOWS SYSTEM PWR OUTLET FUSE PWR POINT RELAY RELAY RH-IG 1 RELAY RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU RR DOOR LH FUSE SEATS SYSTEM SEATS, CRUISE CONTROL, TRANSMISSIONS, NAVIGATION, DEFOGGER SYSTEMS SECURITY FUSE TO LEFT COWL SIDE J/B (DIAGRAM 4 OF 5) WHT WIRE YEL WIRE

ALTB ACT+ BATB BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CPUB DOOR END OF DASH) RIGHT MAIN BODY ECU FR DOOR RH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES KUL LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LEFT REAR DOOR LOCK ASSEMBLY (REAR OF LEFT REAR LGCY LOCK KEY LSSR LSW LSWL GSW LSWP LSWR LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY PWS RED WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT RIGHT FRONT DOOR LOCK ASSEMBLY (REAR OF RIGHT FRONT DOOR) RIGHT REAR DOOR LOCK ASSEMBLY (REAR OF RIGHT REAR DOOR) TI, TE FUSE UDL UNLOCK DETECTION UNLOCK KEY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BZR COMPT) COURTESY COURTESY SWITCH (LEFT "C" PILLAR) CTY DCTY DOME LIGHT DOME LIGHT STOP LIGHT ASSEMBLY DOOR GRN WIRE ILLB IND INTEGRATED CONTROL, PANEL ASSEMBLY SECU SECURITY INDICATOR LIGHT LCTY LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LILL LOCK LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) MULTI- DISPLAY ASSEMBLY ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PCTY RCTY RED WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT RIGHT FRONT DOOR CONTROL SWITCH ASSEMBLY RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT MAIN BODY ECU END OF DASH) RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) SECU SECURITY INDICATOR LIGHT SECURITY HORN ASSEMBLY (RIGHT REAR OF ENGINE COMPT) UN LOCK W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1 2 3 PNK WIRE 4 5 6 7 8 9 PNK WIRE AGND BLK WIRE BLU WIRE BRN WIRE CLGB CODE COM DATA LINES COMPUTER ENGINE SWITCH GRN WIRE GRY WIRE INDS INDW INSIDE LUGGAGE COMPARTMENT ELECTRICAL KEY OSCILLATOR (LEFT REAR OF TRUNK) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE OUTSIDE LUGGAGE ROOM ELECTRICAL KEY OSCILLATOR (BEHIND CENTER OF REAR BUMPER) PNK WIRE REAR INDOOR ELECTRICAL KEY OSCILLATOR (UNDER REAR OF CENTER CONSOLE) RED WIRE RSSI SWIL SYSTEM TRANSPONDER KEY COIL TXCT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BZR COMPUTER DATA LINES SYSTEM DCTY ECU-IG RH FUSE END OF DASH) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FR DOOR RH FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LED LED AUTO LED AUTO LIN LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LT GRN WIRE MOTOR (RIGHT FRONT DOOR) MPX-B FUSE PNK LIN WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT RIGHT FRONT POWER WINDOW REGULATOR RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT MAIN BODY ECU RIGHT REAR POWER WINDOW REGULATOR MOTOR (RIGHT REAR DOOR) RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RR DOOR RH FUSE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT)

2 1 TX+ TX- A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C FUSE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DEFOG FUSE DEFOG RELAY ECU-IG LH FUSE ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 GRN WIRE GRN/BLK WIRE HEATED MIRROR RELAY (LEFT SIDE OF TRUNK) HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY (W/O LEXUS NAVIGATION SYSTEM) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT OUTER REAR VIEW MIRROR ASSEMBLY LH-IG 1 RELAY LH-IG 2 RELAY LH-IG FUSE MHTR MIR HTR FUSE MIRROR HEATER MULTI-DISPLAY ASSEMBLY (W/ LEXUS NAVIGATION SYSTEM) NOISE FILTER NOISE FILTER (REAR WINDOW DEFOGGER) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RDFG REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER SWITCH 7 19 TX+ TX- RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY WHT/BLK WIRE YEL WIRE

11 12 DBE+ DBE- 13 12 FSR- FSR+ 13 22 CANH CANL 2 1 3 PS GPS VPS 30 31 MPX+ MPX- 7 15 6 14 13 11 12 10 VPS GPS PS BGND BSW FSR+ FSR- DIA A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) BELT BUCKLE ASSEMBLY) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) CLOCK ASSEMBLY COMBINATION PBLT P/SB METER ASSEMBLY COMPUTER DATA LINES SYSTEM DCTY DOME +B DOOR IND DRIVER'S SEAT BELT IND ECU-IG RH FUSE GAUGE FUSE GRN WIRE GRY WIRE GTX+ GTX- HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) IG 2 IG+ IG+ INPUT CIRCUIT INTEGRATION CONTROL, PANEL ASSEMBLY LCD (MULTI) LEFT FRONT SEAT INNER BELT ASSEMBLY (IN DRIVER'S SEAT BELT BUCKLE ASSEMBLY) LT BLU WIRE LT GRN WIRE MAIN BODY ECU MICRO COMPUTER MPX+ MPX- MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) OCCUPANT DETECTION SENSOR ORG/ WIRE PASSIVE RESTRAINT SYSTEM PBEW PBEW PNK PNK WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT COWL SIDE J/B (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM RIGHT FRONT SEAT INNER BELT ASSEMBLY (IN FRONT PASSENGER'S SEAT W/O W/ NAVIGATION NAVIGATION WHT WIRE YEL WIRE

14 25 21 CAN L CAN H BZ 23 13 22 8 9 LRRD IGB LRDD CANH CANL PNK WIRE 3 5 4 LRDD IGB LRRD 4 3 2 IG CANH CANL PNK WIRE BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE BUZZER CAN-H- CAN-L- COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) ECU-IG LH FUSE GBT GND PS VPS GBT IG DIA FSR+ FSR- BSW BGND GPS BT VBT GPS GRN WIRE GRY WIRE HOT AT ALL TIMES IG+ ES INPUT CIRCUIT LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT COWL SIDE J/B (LEFT END RELAY OF DASH) LT GRN WIRE MICRO COMPUTER MILLIMETER WAVE RADAR SENSOR (BEHIND CENTER OF FRONT GRILLE) MPX+ MPX- OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) OCCUPANT DETECTION SENSOR (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PBLT PNK VBT WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE SEAT BELT TENSION SENSOR (BASE OF RIGHT "B" PILLAR) SIDE OF DASH) SKID CONTROL BUZZER ASSEMBLY (W/ DYNAMIC RADAR CRUISE CONTROL) (BEHIND LEFT SRS IND STEERING SENSOR (UNDER LEFT SIDE OF DASH) VPS WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL WIRE YEL/BLK WIRE