Lexus IS III (2013-2016) brake actuator assembly (left rear of engine compt) 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

5 4 3 2 SLT+ SLT- SLU+ SLU- BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER DISPLAY DRIVER LCD ECM (LEFT FRONT OF ENGINE COMPT) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) KC (RIGHT KICK PANEL) LT BLU WIRE LT GRN WIRE METER FUSE MPX-B 1 FUSE OIL ORG/ WIRE RED WIRE RELAY ENERGIZED SLT- SLU+ SPEAKER TELLTALES VIO WIRE WHT WIRE YEL WIRE

10 9 CANN CANP PNK WIRE 14 13 CANH CANL 3 11 CANP CANN 8 7 CANP CANN 9 8 CANP CANN ABSORBER CONTROL ECU (RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CAN J/C 4 (LEFT END OF DASH) CAN JUNCTION TERMINAL 2 (W/ NETWORK GATEWAY ECU) (UPPER LEFT CANL CANH CANL CANH 2 3 1 END OF DASH) GRN WIRE KC (RIGHT KICK PANEL) LEFT FRONT POWER SEAT SWITCH LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (W/ MEMORY) (LEFT FRONT DOOR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (IN INSTRUMENT PANEL J/B) MULTIPLEX TILT, TELESCOPIC ECU (IF EQUIPPED) (ON STEERING COLUMN) OPTION CONNECTOR (CENTER OF DASH) ORG/ WIRE PNK WIRE RED WIRE VIO WIRE W/ MEMORY W/ NETWORK GATEWAY ECU W/ VGRS SYSTEM WHT WIRE YEL WIRE

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

1 2 3 1 2 3 NE NE- VC 1 2 3 4 5 6 7 8 9 10 11 12 13 RZG SRZG RZV TRQV 1 2 3 4 5 6 7 8 9 10 IG ESS BAT 13 14 CANL CANH 18 34 27 VC NE- NE+ 18 6 INPUT CIRCUIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CANH CANL PIG PGND CANL CANH COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE COMPUTER MICRO CRANK POSITION SENSOR (RIGHT SIDE OF ENGINE) ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ECU-IG LH FUSE ECU-IG RH FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES ENGINE ROOM J/B 1 EPS FUSE (RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES ENGINE ROOM R/B 1 MPX-B FUSE (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR START INCS INSN LEFT COWL SIDE J/B (LEFT END OF DASH) LT GRN WIRE NCA WIRE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE OUCS OUSN POWER STEERING ECU (RIGHT REAR OF ENGINE COMPT) POWER STEERING IND POWER STEERING MOTOR (LOWER FRONT OF ENGINE COMPT) POWER SUPPLY CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RZCS RZG RZSN RZSN RZCS INSN INCS OUSN OUCS RZV STEERING SENSOR (UNDER LEFT SIDE OF DASH) STEERING TORQUE SENSOR (POWER STEERING PUMP) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

14 13 CANH CANL 31 22 2 STPO 8 12 13 IGSW BACKUP BACKUP LAMPS CIRCUIT BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRK-LP RELAY BRN WIRE COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM R/B 3 (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) LH J/B- AM FUSE HOT IN ON OR START IGN FUSE JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LT GRN WIRE MARKER IND NOISE FILTER (STOP LIGHT) (LEFT SIDE OF TRUNK) PNK 8 6 4 2 OUT +B GND STP WIRE POWER SOURCE CONTROL ECU RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT COWL RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY SHIFT LOCK CONTROL ECU STOP CENTER LIGHT SET STOP LIGHT CONTROL RELAY (BEHIND CENTER OF DASH) STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE SIDE J/B (RIGHT END OF DASH) STOP/ TAIL IND STOP/ TAIL MARKER IND IND STP TL TAIL FUSE TAIL IND TAIL RELAY TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) TRN+ TURN TURN BACKUP WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

15 SPEAKER 8 SPEAKER BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CAN I/F CANN CANP COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER DISPLAY ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GVIF HOT AT ALL TIMES KC (RIGHT KICK PANEL) LCD DRIVER LT BLU WIRE LT GRN WIRE MCI- MCO- MCVD MPX-B 1 FUSE MSCH MSCL MUTE ORG/ WIRE PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 SGND SHIELD SHIELD SHIELD SPEAKER SPI+ SPO- TELLTALES USB USBG USBV VIO WIRE VOR- VOT+ W/ LEXUS ENFORM, SAFETY CONNECT W/O LEXUS ENFORM, SAFETY CONNECT WHT WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DBE- ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B 2 (LEFT FRONT CONTROLLER SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE GSW HORN (HIGH) (FRONT OF RADIATOR) HORN (LOW) (FRONT OF RADIATOR) HORN FUSE HORN RELAY HOT AT ALL TIMES LEFT FRONT SEAT INNER BELT ASSEMBLY (IN DRIVER'S SEAT BELT BUCKLE ASSEMBLY) MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE REAR OF ENGINE COMPT) RED WIRE RIGHT COWL SIDE J/B (RIGHT VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

+B PGND 1 2 3 4 5 6 7 8 CAN H CAN L 22 23 13 8 9 8 7 6 LRDD LRRD IGB CAN H CAN L 25 14 COMPUTER DATA LINES SYSTEM CAN H CAN L 6 18 MPX+ MPX- COMPUTER DATA LINES SYSTEM 8 6 7 IGB LRRD LRDD BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) ECU-IG RH FUSE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) PSB FUSE HOT W/ IG 2 RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) GAUGE FUSE HOT W/ RH-IG 1 RELAY ENERGIZED INPUT CIRCUIT JUNCTION CONNECTOR LEFT FRONT PRE-COLLISION SEAT BELT MOTOR (BASE OF LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MILLIMETER WAVE RADAR SENSOR (BEHIND CENTER OF FRONT GRILLE) MOR- MOR+ MOL+ MOL- ORG/ WIRE PCS IND PNK COMPUTER DATA LINES SYSTEM WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT PRE-COLLISION SEAT BELT MOTOR (BASE OF RIGHT "B" PILLAR) SEAT BELT CONTROL ECU (LEFT SIDE OF TRUNK) WHT WIRE WHT/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