Lexus IS II facelift (2008-2010) skid control ecu (behind right side of dash) Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FLO FRO GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE H-LP LVL FUSE HEADLAMP LEVELING MOTOR HEADLAMP SWIVEL MOTOR HEADLIGHT SWIVEL ECU (LEFT KICK PANEL) HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY (LEFT FRONT OF ENGINE COMPT) LEFT HEADLIGHT ASSEMBLY LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (UNDER LEFT REAR OF VEHICLE) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MOTOR ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLIGHT ASSEMBLY SENSOR SGF SMGR SMGL SGR SHB SHFL SHG SHRL SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SMBL SMBR SMBR SMBL SMR SML SMGL SMGR SML SMR SPDL SPDR SS+ SS- SHRL SBR SUB + VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 MRF SR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SFRR SRLR MR FLO FRO ABS 1 FUSE ABS MOTOR 1 RELAY ABS MOTOR 3 RELAY ABS SOL RELAY AST BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE PEDAL LOAD SENSING SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/RED WIRE BRN/WHT WIRE BZ D/G TS PKB WFSE CANL COMPUTER DATA LINES SYSTEM DATA LINE COMPUTER DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 (LEFT REAR OF FR- FR+ FL+ FL- R+ SRRR SFLR SSEL FSW+ GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEADLIGHT SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL) LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE NCA WIRE ORG/ WIRE PMC PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL) RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL) RL- RL+ RR+ RR- CSW CANH RRA+ FLA- RLA+ FRA- SIL SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SPDL SPDR SYSTEM VCM FSS RRA- FLA+ RLA- FRA+ VIO WIRE VSC OFF SWITCH WFSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DBE- ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B 2 ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER 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 (UNDER DRIVER'S SEAT) MPX MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE RED WIRE SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

1 2 3 4 5 6 7 8 9 10 SH BZR ALTB TRLY HRLY BLK WIRE BLU WIRE BRN WIRE CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) D/G DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE DCYL DCTY INTERIOR LIGHTS SYSTEM DIA DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM ACTD DOOR LOCKS SYSTEM LSWP DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS SYSTEM ECU-IG RH FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM MEMORY SYSTEMS FR DOOR RH FUSE FSPT ACAN SNOW PWR FUSE GRN WIRE GRN/RED WIRE GRY WIRE GSW HDLO HEAD IND HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG GSW LCTY PWS PKB LSWL INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM NAVIGATION SYSTEM LSWR LT GRN WIRE MEMORY SYSTEMS MIRB MIRS MPX-B FUSE MULTIPLEX TILT, TELESCOPIC ECU (STEERING COLUMN) NETWORK GATEWAY ECU (RIGHT END OF DASH) OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) OF DASH) ORG/ WIRE PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PASSENGER'S SEAT) PCTY PCYL LGCY INTERIOR LIGHTS SYSTEM PNK WIRE RCTY RED WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT POSITION CONTROL ECU, SWITCH (BELOW RIGHT SIDE OF FRONT RIGHT MAIN BODY ECU (RIGHT COWL SIDE JUNCTION BLOCK) RIGHT OUTER MIRROR CONTROL ECU (RIGHT FRONT DOOR) SIL SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) TI, TE FUSE TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TSW TKUL PNK PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

23 21 13 STP CAN+ CAN- 24 7 1 20 21 10 3 16 17 25 26 14 4 5 6 12 13 SL SLT- SLT+ NTO NTB 3 4 5 6 RL- RL+ RR+ RR- 7 8 9 10 FR- FR+ FL+ FL- BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON TRANSMISSION) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LT GRN WIRE NTB NTO OIL ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SLT- SLT+ SLU+ SLU- SLU+ TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE

BLU WIRE BRN WIRE CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) CG SG CANH SIL COMBINATION METER D/G DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) DIA ENGINE CONTROL MODULE (LEFT FRONT GRN WIRE GRY WIRE HIGH/LOW BUS CIRCUIT HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE MULTI-DISPLAY (W/ NAVIGATION) NETWORK GATEWAY ECU (RIGHT END OF DASH) OBD FUSE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) OF ENGINE COMPT) RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU SIL SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) TAC TS TC CANL WFSE BAT VIO WIRE WFSE WHT WIRE WHT/BLK 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 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, SW (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 ASSEMBLY (TRANSMISSION ASSEMBLY) PNK WIRE RED WIRE SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SYSB WHT WIRE WHT/BLK WIRE YEL WIRE

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 1 2 3 NE NE- VC 13 14 CANL CANH 18 34 27 VC NE- NE+ 18 6 INPUT CIRCUIT 8 7 SS- SS+ BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE 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 EPS FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HEADLAMP SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES HOT IN ON OR START INCS INSN LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE OUCS OUSN P/S IND POWER SUPPLY CIRCUIT POWER STEERING ECU (RIGHT REAR OF ENGINE COMPT) POWER STEERING MOTOR (LOWER FRONT OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT COWL (BEHIND RIGHT KICK PANEL) SIDE J/B (RIGHT END OF DASH) RIGHT COWL SIDE J/B (RIGHT END OF DASH) RZCS RZG RZSN RZSN RZCS INSN INCS OUSN OUCS RZV SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) STEERING SENSOR (UNDER LEFT SIDE OF DASH) STEERING TORQUE SENSOR (POWER STEERING PUMP) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

BACKUP BACKUP LAMPS CIRCUIT BLK/ WHT WIRE BLU WIRE BLU/WHT WIRE BRK-LP RELAY BRN WIRE ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 3 (LEFT REAR OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES HOT W/ LH-IG 1 RELAY ENERGIZED LEFT COWL SIDE J/B (LEFT END OF DASH) LH- IG FUSE JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LH J/B-AM FUSE LT GRN WIRE MARKER IND NOISE FILTER (STOP LIGHT) (LEFT SIDE OF TRUNK) PNK 8 6 4 2 OUT +B GND STP WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT COWL RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) 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 TRN+ TURN WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE GRN WIRE GRY WIRE LT BLU WIRE ORG/ WIRE PNK WIRE POWER STEERING ECU (RIGHT REAR OF ENGINE COMPT) POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RED WIRE SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) VIO WIRE WHT WIRE WINDSHIELD WIPER SWITCH ASSEMBLY