Lexus IS II facelift 2 (2010-2016) yel Wiring diagrams

2 3 PNK WIRE 25 24 28 22 VG 29 20 23 28 21 22 VPA EPA VCPA 3 7 24 13 MREL BATT SPD STP ACCELERATOR PEDAL SENSOR ASSEMBLY (RIGHT REAR OF ENGINE) BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECM (LEFT FRONT OF ENGINE COMPT) EFI 2 FUSE EFI MAIN FUSE EFI MAIN RELAY ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF FA (LEFT REAR OF ENGINE) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INTAKE MASS AIR FLOW METER SUB-ASSEMBLY (RIGHT SIDE OF ENGINE COMPT) KA (LEFT KICK PANEL) NT- NT+ PNK SNSW WIRE PNK SNWI SFTU SFTD CANH CANL WIRE PNK WIRE RED WIRE SHIELD SNOW MODE SWITCH STOP FUSE STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) THA THROTTLE BODY W/ MOTOR ASSEMBLY (RIGHT REAR OF ENGINE) TRANSMISSION REVOLUTION SENSOR (COUNTER GEAR) (REAR OF TRANSMISSION) TRANSMISSION REVOLUTION SENSOR (TURBINE) (FRONT OF TRANSMISSION) VCTA VTA M+ M- VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

14 13 CANH CANL ALT FUSE BATTERY BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CHARGE INDICATOR COMBINATION METER ASSEMBLY +IG COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GENERATOR ASSEMBLY IG GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ALT-S FUSE ENGINE COMPT) HOT AT ALL TIMES ENGINE ROOM R/B 1 DOME FUSE (RIGHT REAR OF ENGINE COMPT) INPUT CIRCUIT LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LT GRN WIRE MICRO COMPUTER MPX+ MPX- MPX-B FUSE NETWORK GATEWAY ECU ORG/ WIRE PNK ALT WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT END OF DASH) STARTER ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

+5 DATA 1 2 4 5 GND RSSI 26 14 BECU DCTY 38 29 39 27 28 RDA RCO RSSI BLK WIRE BLU WIRE BODY ECU RIGHT COWL SIDE J/B (RIGHT END OF DASH) BRN WIRE BZR CERTIFICATION ECU (RIGHT SIDE OF TRUNK) CLS CLS OPN COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B DOWN ECU-IG LH FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE MPX-B FUSE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) HOT W/ IG 2 RELAY ENERGIZED HOT W/ LH-IG 2 RELAY ENERGIZED INPUT CIRCUIT KUL KUL LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER MPX MPX+ MPX- OF ROOF) OPN ORG/ WIRE OVERHEAD MODULE (CENTER FRONT POWER SUPPLY CIRCUIT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) S/ROOF FUSE SLIDING ROOF CONTROL ECU (CENTER FRONT OF ROOF) SLIDING ROOF SWITCHES UP DWN VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 LSW 4 8 10 2 5 AUTO LED BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM CPUB DATA DOOR CONTROL RECEIVER (CENTER FRONT OF TRUNK) FR DOOR LH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES KEY LOCK KEY UNLOCK KUL LED LED AUTO LIN LED LIN PNK WIRE LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LEFT FRONT POWER WINDOW REGULATOR MOTOR (LEFT FRONT DOOR) LEFT MAIN BODY ECU LEFT REAR POWER WINDOW REGULATOR MOTOR (LEFT REAR DOOR) LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LSSR LT BLU WIRE LT GRN WIRE PNK PNK WIRE PNK WIRE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RCO RDA RSSI RED WIRE RR DOOR LH FUSE RSSI SIG UNLOCK DETECTION WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ECU-B FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) KA (LEFT KICK PANEL) KC (RIGHT KICK PANEL) LT BLU WIRE MAIN BODY ECU ORG/ WIRE PARK/ NEUTRAL POSITION QA (LEFT "B" PILLAR) REAR SUNSHADE RELAY (REAR WINDOW SHADE ASSEMBLY) REAR SUNSHADE SWITCH ASSEMBLY RED WIRE REV SHADE RR FUSE SWITCH (RIGHT SIDE OF TRANSMISSION) WHT/BLK WIRE YEL 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

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

-SR -SL +SR +SL AIR BAG SENSOR ASSEMBLY (UNDER CENTER CONSOLE) BBL+ BCL+ BDL- BLK WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CANL PAON COMPUTER DATA LINES SYSTEM DK DK FUSE GRN WIRE GRY WIRE GSW HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) INSTRUMENT PANEL PASSENGER W/O DOOR AIR BAG ASSEMBLY KB (UNDER CENTER CONSOLE) KC (RIGHT KICK PANEL) LBE+ LSP+ BBL+ BBL- LBE- LSP- LEFT FRONT SEAT AIR BAG ASSEMBLY (IN OUTBOARD SIDE OF LEFT FRONT SEAT BACK) LEFT FRONT SEAT INNER BELT ASSEMBLY (INBOARD SIDE OF LEFT FRONT SEAT) LEFT REAR AIR BAG SENSOR (IN LEFT "C" PILLAR) LEFT SIDE AIR BAG SENSOR ASSEMBLY LEFT SIDE DOOR AIR BAG SENSOR (LEFT FRONT DOOR) LT BLU WIRE MAIN BODY ECU ODS FUSE ORG/ WIRE P- P+ D+ D- P-AB GSW PK+ PK- PASSIVE RESTRAINTS SYSTEM QA (LEFT "B" PILLAR) RED WIRE SEAT POSITION AIR BAG SENSOR SFL- SRL- VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

A/C CONTROL ASSEMBLY PASSENGER AIR BAG ON/OFF INDICATOR BLK WIRE BLU WIRE DRIVER SIDE SQUIB CIRCUIT (HORN BUTTON ASSEMBLY) GRN WIRE GRY WIRE GSW ICL- ICR+ INSTRUMENT PANEL J/B (LEFT END OF DASH) LEFT CURTAIN SHIELD AIR BAG ASSEMBLY (LEFT ROOF RAIL) LEFT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF LEFT "B" PILLAR) LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 1 LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 2 LT BLU WIRE P-AB PAON PASSIVE RESTRAINTS SYSTEM RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY (LEFT ROOF RAIL) RIGHT FRONT SEAT AIR BAG ASSEMBLY (IN OUTBOARD SIDE OF RIGHT FRONT SEAT BACK) RIGHT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF RIGHT "B" PILLAR) SFR- SL- SPIRAL CABLE (UNDER STEERING WHEEL) SR- VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 +B DIA GND FSR- BGND 3 2 1 SGD SIG SVC 3 2 1 SGD SIG SVC PNK WIRE AIR BAG SENSOR ASSEMBLY (UNDER CENTER CONSOLE) BBR+ BCR+ BDR BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT SIDE OF DASH) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FSR+ BSW GRN WIRE GRY WIRE HOT AT ALL TIMES ICR+ INSTRUMENT PANEL J/B KA (LEFT KICK PANEL) KC (RIGHT KICK PANEL) LED DRIVER LT BLU WIRE LT GRN WIRE METER FUSE (LEFT END OF DASH) MPX-B 1 FUSE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) PASSIVE RESTRAINTS SYSTEM PB (RIGHT "C" PILLAR) PBSW PNK WIRE PR- PRE-COLLISION SYSTEM CANCEL SWITCH (PRE-CRASH SYSTEM CANCEL SWITCH ASSEMBLY) PRR- RED WIRE RIGHT REAR AIR BAG SENSOR (RIGHT "C" PILLAR) RIGHT SIDE AIR BAG SENSOR ASSEMBLY RIGHT SIDE DOOR AIR BAG SENSOR (RIGHT FRONT DOOR) SFR- SRR+ TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE