Lexus IS II facelift (2008-2010) blk/yel Wiring diagrams

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

24 12 POWER IG+ SUPPLY CIRCUIT 6 18 MPX+ MPX- ABS IND. BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/ WHT WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRAKE-LP RELAY BRN WIRE BRN/WHT WIRE BUZZER CIRCUIT INPUT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DASH) ENGINE ROOM R/B 3 (LEFT REAR OF ENGINE COMPT) FLA- FRA GAUGE FUSE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LT GRN WIRE MASTER IND MICRO COMPUTER NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PMC PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED GRN/ WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RH ECU-IG FUSE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RLA- RRA+ SFLR SFRR SLIP IND SPEEDOMETER SRLR SRRR SSEL STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE VCM VCS OFF IND SI BRAKE IND VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM DOME FUSE DRIVER'S DOOR ENGINE ROOM J/B 1 (RIGHT FOOT LAMP GATEWAY ECU (RIGHT END OF DASH) GRY WIRE HEAD LP RELAY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LGCY LKUL LT BLU WIRE LT GRN WIRE LUGGAGE COMPT DOOR LOCK CYLINDER COMPUTER DATA LINES SYSTEM MAIN FUSE REAR OF ENGINE COMPT) RED/WHT WIRE RIGHT OUTER REAR VIEW MIRROR SGND TURN SIGNAL FLASHER (LEFT SIDE OF DASH) VIO WIRE W/ MEMORY W/ MEMORY LEFT OUTER REAR VIEW MIRROR W/O MEMORY W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOME FUSE ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) FOOT LIGHT GND BDCY GRN WIRE GRY WIRE HEAD LP RELAY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) LCTY LEFT COWL SIDE J/B (LEFT LEFT MAIN BODY ECU END OF DASH) LEFT OUTER REAR VIEW MIRROR LGCY LKUL LPSW LT BLU WIRE LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK CYLINDER LUGGAGE ELECTRICAL KEY SWITCH (CENTER REAR OF LUGGAGE COMPT LID) MAIN FUSE PNK WIRE RED/WHT WIRE RIGHT OUTER REAR VIEW MIRROR SGND TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER (CENTER OF DASH) A/C FUSE A/C PRESSURE SENSOR (LEFT SIDE OF RADIATOR) AUTOMATIC LIGHT CONTROL SENSOR (LEFT SIDE OF DASH) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLLH BLRH BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BLW BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL ECU CUT) DGS DGS TSD ECU-IG LH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LOUT LT GRN WIRE MHTR RDFG MIRRORS SYSTEM DEFOGGER SYSTEM MPX+ MPX- PSW ORG/ WIRE PARTIAL PNK SG-2 SG-6 WIRE PNK WIRE PRE TSP PNK WIRE RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) ROUT SEAT HEATER SWITCH (IF EQUIPPED) SEATS SYSTEM SG-3 SG-1 GND IG+ SG-4 SMOG VENTILATION SENSOR (3.5L) (FRONT OF RADIATOR) SOL + SVSG TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

2.5L 3 1 2 +B GND 3.5L 3.5L 3.5L ACMG BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER MOTOR (RIGHT END OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN L COMBUSTION HEATER GLOW PLUG (REAR OF ENGINE) COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 1, ENGINE ETAM FAN FUSE GATEWAY ECU (RIGHT END OF DASH) GLW GLW FUSE FUSE FUSE GLW RLY 1 RELAY GLW RLY 2 RELAY GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES NCA WIRE NE+ PNK WIRE RED WIRE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) TAM VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

1 2 3 4 5 LGND SGRD LRDD LRRD IGB 14 25 4 5 16 17 6 7 18 19 11 CANL CANH RL- RL+ RR- RR+ FR- FR+ FL- FL+ 2 7 9 1 RB 35 34 9 27 26 25 24 19 18 17 16 13 12 11 10 32 6 SLT+ SLT- BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CANH CANL SGRD COMPUTER DATA LINES SYSTEM DISTANCE CONTROL ECU (LEFT SIDE OF DASH) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON TRANSMISSION) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GATEWAY ECU (RIGHT END OF DASH) GRD IGB PNK WIRE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/YEL WIRE J/C LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL HUB ASSEMBLY) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL HUB ASSEMBLY) LRDD LRRD LT BLU WIRE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (FRONT OF VEHICLE) MODE OF ENGINE COMPT) OIL OIL EOIL ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PNK WIRE RED WIRE RED/WHT WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL HUB ASSEMBLY) SLT- SLT+ SLU- SLU+ VIO WIRE VIO/YEL WIRE WHT 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

BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BRN WIRE ECU-IG LH FUSE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FR TAIL FUSE FRONT CONTROLLER GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE H-LP UPR FUSE HEADLIGHTS SYSTEM HORN FUSE HORN RELAY HORNS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) MPX-B FUSE HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END OF DASH) INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LEFT OUTER MIRROR CONTROL ECU LT GRN WIRE MPX OVERHEAD MODULE (CENTER FRONT OF ROOF) POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) VIO WIRE WHT/BLK WIRE WHT/BLU WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM

ACCELERATOR POSITION SENSOR (LEFT SIDE OF DASH) ACCR STA MREL FC FPR AIR CONDITIONING SYSTEM COOLING FANS SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CTSW EFI 2 RELAY EFI FUSE EFI MAIN RELAY EFII EFIO ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) F/PMP FUSE FAN TACH GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (RIGHT SIDE EXHAUST SYSTEM) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (LEFT SIDE EXHAUST SYSTEM) HOT AT ALL TIMES ID CODE BOX (CENTER OF DASH) IGSW TAM STSW CCHG IREL LT BLU WIRE LT GRN WIRE NCA WIRE PNK SFTD WIRE PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (RIGHT SIDE OF DASH) PPMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SFTU CCS SKSW SPD KSW CANL CANH STARTING/CHARGING SYSTEM STSW TC STP MPMP IMI IMO USA VIO WIRE VIO/RED WIRE VPA EPA VCPA VPMP ACMG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE