Lexus IS III (2013-2016) (behind right side of dash) Wiring diagrams

ABS 2 FUSE ABS 1 FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BM CANH BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRAKE PEDAL LOAD SENSING SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BUZZER COMPUTER DATA LINES SYSTEM ECU-IG RH FUSE ENGINE ROOM J/B 1 FLO FRO FSW+ GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE HOT HOT AT ALL TIMES HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL) LT GRN WIRE MPX-B FUSE ORG/ WIRE PARKING BRAKE SWITCH ASSEMBLY (TOP OF PARKING BRAKE LEVER) PKB CSW STPO PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL) RL- RL+ FR- FR+ RR- RR+ FL- FL+ SKID CONTROL BUZZER ASSEMBLY STOP SW FUSE VIO WIRE VIO/YEL WIRE VSC OFF SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 3 9 10 2 IG BAT CANL CANH ESS 4 3 2 1 IG CANH CANL GND PNK WIRE 5 6 SPDL SPDR ABS IND. BLK WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE FLUID RESERVOIR) BRAKE IND BRK-LP RELAY BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B ECU-IG LH FUSE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN/WHT WIRE GRY WIRE HEADLIGHT LEVELING ECU (LEFT KICK PANEL) HOT IN ON OR START IND MASTER INPUT CIRCUIT LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LT GRN WIRE MICRO COMPUTER MPX OF DASH) ORG/ WIRE OUT STP PNK 8 2 WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT END SLIP IND SLIP OFF IND STEERING SENSOR (UNDER LEFT SIDE OF DASH) STOP LAMP CONTROL RELAY ASSEMBLY SWITCH TRAC OFF IND VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL WIRE

BLK WIRE BLK/ WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE DOME FUSE DOME LIGHT ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FSPT GRN WIRE HOT AT ALL TIMES LEFT FRONT MAP LIGHT LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 LEFT REAR MAP LIGHT LEFT RIGHT FRONT FRONT MAP MAP LIGHT LIGHT SWITCH SWITCH LEFT VANITY LAMP LEFT VISOR ASSEMBLY ON/OFF DOOR ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK WIRE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT MAP LIGHT RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 RIGHT MAIN BODY ECU RIGHT REAR MAP LIGHT RIGHT VANITY LAMP RIGHT VISOR ASSEMBLY SHIFT ILLUM- INATION SPOT LIGHT ASSEMBLY WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

BLK WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE DISTANCE SWITCH ASSEMBLY ILL+ ENGINE SWITCH FRONT FUSE GAUGE FUSE GRN WIRE GRY WIRE HEADLAMP CLEANER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START ILL+ TC ILL+ WIPER DEICER ILL- SWITCH LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY 2 LEFT STEERING PAD SWITCH LIGHT CONTROL RHEOSTAT LT GRN WIRE LUGGAGE DOOR OPENER SWITCH ASSEMBLY MPX+ MPX- MULTI-MEDIA MODULE RECEIVER ASSEMBLY (W/ NAVIGATION) ORG/ WIRE PATTERN SELECT SWITCH ASSEMBLY 1 PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT RIGHT COWL (BEHIND RIGHT KICK PANEL) SIDE J/B (RIGHT END OF DASH) RIGHT COWL SIDE J/B RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT END OF DASH) RIGHT STEERING PAD SWITCH SEAT HEATER SWITCH SHIFT POSITION INDICATOR SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY SWG SWIL TR ET VIO WIRE VSC OFF SWITCH W/ NAVIGATION W/O NAVIGATION WHT RED/ WIRE WHT WIRE WHT/BLK WIRE YEL 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

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

13 14 CANL CANH COMPUTER DATA LINES SYSTEM 34 24 7 PNK WIRE 6 18 17 MPX+ MPX- COMPUTER DATA LINES SYSTEM 7 6 5 SET LSEL RSEL BKUP BLK WIRE BLU/RED WIRE BRN WIRE CLEARANCE SONAR IND CLEARANCE WARNING BUZZER 1 (UNDER CENTER OF DASH) CLEARANCE WARNING ECU (LEFT SIDE OF TRUNK) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B ENGINE CONTROL MODULE (ECM) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES IG CBZ INPUT CIRCUIT LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT ULTRASONIC SENSOR 1 (LEFT FRONT OF VEHICLE) LEFT MAIN BODY ECU LEFT REAR ULTRASONIC SENSOR 1 (LEFT CORNER OF REAR BUMPER) LEFT REAR ULTRASONIC SENSOR 2 (LEFT SIDE OF REAR BUMPER) LH-IG FUSE MICRO COMPUTER ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH ASSEMBLY PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PKB IG ECU-IG RH FUSE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT ULTRASONIC SENSOR 1 (RIGHT FRONT OF VEHICLE) RIGHT MAIN BODY ECU RIGHT REAR ULTRASONIC SENSOR 1 (RIGHT CORNER OF REAR BUMPER) RIGHT REAR ULTRASONIC SENSOR 2 (RIGHT SIDE OF REAR BUMPER) SATELLITE SWITCH SET TRANSMISSION ASSEMBLY VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

27 25 2 STSW KSW STAR ACCR BATTERY BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE SWITCH LT BLU WIRE LT GRN WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (TRANSMISSION ASSEMBLY) POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/WHT WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) SKSW STSW CTSW ST CUT RELAY STARTER ASSEMBLY STARTER FUSE STARTER RELAY TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK 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

+B SFTD SFTU 34 56 PNK WIRE 9 16 10 1 2 7 8 CAN- BLK WIRE BLK/RED WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE LEFT PADDLE LT GRN WIRE M- M+ ETA ORG/ WIRE PADDLE SHIFT SWITCH PADDLE SWITCH RIGHT STEERING PATTERN SELECT SWITCH ASSEMBLY 1 PNK VCPA EPA VPA STP WIRE PNK WIRE PNK/BLU WIRE PWR RED WIRE RED/BLK WIRE RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU SDN SFTD SFTU SHIELD SHIFT SWITCH SHIFT SWITCH RIGHT PADDLE SNOW SPIRAL CABLE (UNDER STEERING WHEEL) SPORT SPT STEERING PAD SWITCH ASSEMBLY STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE SUP TRANSMISSION FLOOR SHIFT ASSEMBLY VCTA VTA VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE