Lexus IS III (2013-2016) junction Wiring diagrams

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

+IG BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT SIDE OF TRUNK) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME+B ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GND TR TL GRN RED/ WIRE GRN WIRE GRN/ LT WIRE GRN/RED WIRE GRY WIRE HAZARD SWITCH HEAD AUTO HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ LH-IG 1 RELAY ENERGIZED INPUT CIRCUIT JUNCTION LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LH TURN IND LH-IG FUSE LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX+ MPX- MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) OFF OFF TAIL ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RED GRN/ WIRE RED WIRE RELAY ENERGIZED RH TURN IND RIGHT COWL SIDE J/B (RIGHT END OF DASH) TAIL TAIL IND (EXCEPT USA) TURN SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

A/F RELAY BLK/RED WIRE BRAKE ACTUATOR ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH BRAKE PEDAL LOAD SENSING SWITCH COOLING FAN MOTOR 1 EFI MAIN RELAY ENGINE COMPRESSOR CONTROL ASSEMBLY MODULE W/ MAGNET (ECM) CLUTCH ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B 2 (LEFT SIDE EFI 2 OF ENGINE RELAY COMPT) ENGINE ROOM R/B 2 FAN 2 RELAY (LEFT SIDE OF ENGINE COMPT) BRAKE ACTUATOR ASSEMBLY FRONT CONTROLLER FRONT WIPER DEICER (WINDSHIELD GLASS) HEADLAMP LEVELING ECU HEADLIGHT WINDSHIELD CLEANER WASHER CONTROL MOTOR RELAY JUNCTION JUNCTION CONNECTOR LEFT FOG LIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY LEVEL WARNING SWITCH ASSEMBLY RELAY RIGHT FOG LIGHT ASSEMBLY RIGHT HEADLIGHT ASSEMBLY W/ HID W/O HID WHT/ BLK WIRE WHT/BLK WIRE WINDSHIELD WIPER MOTOR WIRELESS DOOR LOCK BUZZER

AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) SHIELD BRN WIRE CANISTER PUMP MODULE COMPRESSOR ASSEMBLY W/ MAGNET CLUTCH CRANK POSITION SENSOR SHIELD DATA LINK CONNECTOR (DLC) 3 ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) SHIELD ENGINE IGNITION CONTROL COIL 5 MODULE (ECM) ENGINE OIL LEVEL SENSOR FUEL INJECTOR (DIRECT INJECTION 1) SHIELD FUEL INJECTOR (DIRECT INJECTION 2) SHIELD FUEL INJECTOR (DIRECT INJECTION 4) SHIELD FUEL INJECTOR (DIRECT INJECTION 6) SHIELD IGNITION IGNITION COIL 1 COIL 3 IGNITION IGNITION COIL 6 COIL 4 (3.5L) (3.5L) INJECTOR DRIVER SHIELD JUNCTION JUNCTION CONNECTOR KNOCK CONTROL SENSOR (BANK 1) SHIELD KNOCK CONTROL SENSOR (BANK 2) SHIELD OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD OXYGEN SENSOR (BANK 2 SENSOR 2) SHIELD POWER STEERING MOTOR SHIELD SHIELD SPILL CONTROL VALVE SHIELD SPIRAL CABLE (UNDER STEERING WHEEL) STEREO COMPONENT AMPLIFIER WHT/BLK WIRE

BLK WIRE CENTER AIR BAG SENSOR ASSEMBLY CIGARETTE LIGHTER ASSEMBLY COMBINATION METER COOLING UNIT MOTOR SUB-ASSEMBLY W/ FAN ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE SWITCH FROM ID CODE BOX JUNCTION LEFT VANITY LIGHT ASSEMBLY LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY MAP LIGHT ASSEMBLY NCA WIRE NOISE FILTER POWER SOURCE CONTROL ECU POWER STEERING ECU POWER TILT MOTOR (STEERING COLUMN ASSEMBLY) PWR POINT RELAY RELAY RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU RIGHT VANITY LIGHT ASSEMBLY STARTER RELAY STEERING LOCK ACTUATOR WHT WIRE WHT/BLK WIRE

BACK WINDOW LEFT LOCK SLIDE ROOF MOTOR BLK WIRE CENTER STOP LIGHT ASSEMBLY DRIVER'S DOOR FUEL LID W/ MOTOR LOCK FUEL PUMP, GAUGE ASSEMBLY JUNCTION JUNCTION CONNECTOR LEFT FRONT LUMBAR POWER SEAT SWITCH LEFT FRONT POSITION CONTROL ECU, SWITCH ASSEMBLY LEFT FRONT POWER SEAT SLIDE SWITCH ASSEMBLY LEFT FRONT POWER SEAT SWITCH LEFT FRONT SEAT INNER BELT LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT LUGGAGE COMPARTMENT DOOR HINGE ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT SEAT BACK CLIMATE CONTROL BLOWER LEFT SEAT LEFT HEATER SEAT CUSHION CONTROL CLIMATE SUB- CONTROL ASSEMBLY BLOWER LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH OUTER MIRROR SWITCH LEFT ASSEMBLY FRONT DOOR LOCK ASSEMBLY POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY REAR WINDOW DEFOGGER (BACK DOOR GLASS) RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY SLIDING ROOF CONTROL ECU TRIM HINGE PACKAGE TRAY 1 TRIM HINGE PACKAGE TRAY 2 VIO WIRE W/ CLIMATE CONTROL SEAT W/ MEMORY W/O MEMORY WHT WIRE WHT/BLK WIRE

BLK WIRE CERTIFICATION ECU DOOR CONTROL RECEIVER JUNCTION PACKAGE TRAY TRIM BRACKET POWER OUTLET SOCKET ASSEMBLY RIGHT FRONT DOOR ELECTRICAL KEY OSCILLATOR RIGHT FRONT DOOR LOCK ASSEMBLY RIGHT FRONT LUMBAR POWER SEAT SWITCH RIGHT FRONT POSITION CONTROL ECU, SWITCH ASSEMBLY RIGHT FRONT POWER SEAT SLIDE SWITCH ASSEMBLY RIGHT FRONT POWER SEAT SWITCH RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT FRONT SEAT INNER BELT RIGHT LUGGAGE COMPARTMENT DOOR HINGE ASSEMBLY RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RIGHT QUARTER POWER WINDOW REGULATOR MOTOR RIGHT ROOF PANEL STRENGTH SUB-ASSEMBLY RIGHT SEAT BACK CLIMATE CONTROL BLOWER RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY RIGHT SLIDE ROOF MOTOR ROOF FRONT LOCK SWITCH (REMOVABLE ROOF LOCK SUB- ASSEMBLY) SEAT BELT CONTROL ECU SLIDING ROOF CONTROL ECU W/ CLIMATE CONTROL SEAT W/ MEMORY W/O MEMORY WHT WIRE WHT/BLK WIRE

1 21 2 22 20 39 IG PNK WIRE BLK WIRE BLU WIRE BRN WIRE DOME FUSE R/B 1 (RIGHT REAR OF ENGINE COMPT) ECU-IG LH FUSE ENGINE ROOM GARAGE DOOR OPENER GRN WIRE HOT AT ALL TIMES HOT W/ LH-IG 2 RELAY ENERGIZED INNER REAR VIEW MIRROR ASSEMBLY JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT OUTER ECI- ECI+ MIRROR CONTROL ECU EC- EC+ (LEFT FRONT DOOR) LEFT OUTER REARVIEW MIRROR ASSEMBLY LT GRN WIRE ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK 6 1 4 5 2 +B IG EC+ EC- 4 3 2 1 WIRE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT OUTER ECI- ECI+ MIRROR CONTROL ECU EC- EC+ (RIGHT FRONT DOOR) RIGHT OUTER REARVIEW MIRROR ASSEMBLY VIO WIRE W/ GARAGE DOOR OPENER W/O GARAGE DOOR OPENER WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 IG BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG (LEFT FUSE END OF DASH) PARK/NEUTRAL POSITION SWITCH ASSEMBLY (TRANSMISSION ASSEMBLY) POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY ENERGIZED RELAY ENERGIZED ECU- IG LH FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE) SHIFT LOCK SOLENOID SLS+ STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 GND SGND IGE 32 26 30 SLR+ SLP BLK WIRE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES ID CODE BOX (BEHIND CENTER OF DASH) IGN FUSE JUNCTION LIN LT GRN WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) STEERING LOCK ACTUATOR (STEERING COLUMN) STR LOCK FUSE VIO WIRE WHT WIRE WHT/BLK WIRE