Lexus IS II facelift 2 (2010-2016) computer data lines system Wiring diagrams

+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

17 18 SHIELD BLK WIRE BLU WIRE CB+ CGND COMPUTER DATA LINES SYSTEM CV+ GRN WIRE GRY WIRE GVIF LIGHTS SYSTEM INTERIOR LINES SYSTEM COMPUTER DATA LT GRN WIRE MCI- MCO- MCVD MULTI-DISPLAY ASSEMBLY SECURITY INDICATOR LAMP MUTE ORG/ WIRE PNK WIRE REAR WINDOW DEFOGGER SWITCH RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT FRONT SPEAKER ASSEMBLY 3 SEUC SGND SHIELD SHIELD 8 9 SHIELD 9 10 11 12 13 14 15 16 SPI+ SPO- TELEVISION CAMERA ASSEMBLY (REAR OF TRUNK LID) TWR+ USB USBG USBV VIO WIRE VMTI VOR- VOT+ W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 SHIELD CSLD CDR+ CDR- CDL+ CDL- MUTE GND 10 11 12 SHIELD ANTENNA ARI ASGN ALI AGND AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES ATX- SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER TX+ TX- IVO+ IVO- SLDI DATA LINES SYSTEM FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED ILL INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM ILL + LT BLU WIRE LT GRN WIRE MIC+ MACC MIC- SGND SHIELD MULTIMEDIA INTERFACE ECU (LOWER RIGHT SIDE OF DASH) MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK INSTRUMENT CLUSTER SPD SYSTEM WIRE R- L- GND RAD 3 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SDARS ANTENNA SHIELD SHIELD SHIELD SWG TXM- TXM+ UDI- UESG ULO+ UPO URO+ VIO WIRE W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE WHT/BLK 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 MUTE L- L+ R- R+ 1 2 3 4 5 6 7 8 9 10 FL+ FR+ BLK WIRE BLU WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (RIGHT REAR FL+ FR+ GRN WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT FRONT SPEAKER ASSEMBLY 2, 3 (FRONT SPEAKER ASSEMBLY 3) LEFT REAR SPEAKER ASSEMBLY LEFT STEERING PAD SWITCH LT BLU WIRE MICRO COMPUTER MODE MSSL OF ENGINE COMPT) OFF HOOK DISP ON HOOK DISP ORG/ WIRE PNK TMUT WIRE PNK WIRE RAD 2 FUSE RED WIRE RED/BLU WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT FRONT SPEAKER ASSEMBLY 2, 3 (FRONT SPEAKER ASSEMBLY 3) RIGHT REAR SPEAKER ASSEMBLY RIGHT STEERING PAD SWITCH SEEK SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT AMPLIFIER (RIGHT SIDE OF TRUNK) TX- TX+ VIO WIRE VOICE VOL (-) W/ SAFETY CONNECT W/O SAFETY CONNECT WFL+ RL+ RR+ PNK PNK WIRE WFL- WFR- WFR+ RL- RR- PNK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

-SR -SL +SR +SL AIR BAG SENSOR SEAT POSITION BBL+ BBL- BBL+ BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DCM TELEMATICS TRANSCEIVER (RIGHT SIDE OF DASH) DK DK ECU-IG RH FUSE GRN WIRE GRY WIRE GSW HOT AT ALL TIMES IGN FUSE GAUGE FUSE LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT CURTAIN SHIELD AIR BAG ASSEMBLY (LEFT ROOF RAIL) LEFT FRONT PRETENSIONER (BASE OF LEFT "B" PILLAR) LEFT FRONT SEAT INNER BELT ASSEMBLY (IN DRIVER'S SEAT BELT BUCKLE ASSEMBLY) LEFT FRONT SIDE AIR BAG SENSOR (LEFT "B" PILLAR) LEFT FRONT SIDE AIR BAG SQUIB (LEFT SIDE OF DRIVER'S SEAT BACK) LEFT REAR AIR BAG SENSOR (LEFT "C" PILLAR) BCL- BCL+ LEFT REAR PRETENSIONER (LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE ORG/ WIRE P- P+ D+ D- PNK 1 2 3 4 5 6 7 8 9 WIRE PNK COMPUTER DATA LINES SYSTEM CAN L PAON WIRE PNK WIRE RED WIRE RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END END DASH) RIGHT MAIN BODY ECU SIL P-AB GSW PK+ PK- WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BBR+ BCR- BCR+ REAR AIR BAG SENSOR BBR- BBR+ (RIGHT "C" PILLAR) BLK WIRE BRN WIRE CANH + CANL - CLOCK ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER SIDE SQUIB CIRCUIT FRONT PASSENGER SIDE SQUIB CIRCUIT FRONT PASSENGER'S AIR BAG ON/OFF INDICATOR LIGHT GRN WIRE GRY WIRE INTEGRATION CONTROL, PANEL ASSEMBLY LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE ORG/ WIRE P-AB PAON PBEW PNK 1 2 3 4 5 6 7 8 9 WIRE PNK WIRE RED WIRE RIGHT RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY (RIGHT ROOF RAIL) RIGHT FRONT PRETENSIONER (BASE OF RIGHT "B" PILLAR) RIGHT FRONT SIDE AIR BAG SENSOR (RIGHT "B" PILLAR) RIGHT FRONT SIDE AIR BAG SQUIB (RIGHT SIDE OF RIGHT FRONT SEAT BACK) RIGHT REAR PRETENSIONER (RIGHT "C" PILLAR) SL- SPIRAL CABLE SUB- ASSEMBLY (UNDER STEERING WHEEL) SR- VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED 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

ACCELERATOR POSITION SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END LH-IG FUSE OF DASH) INPUT LCD CIRCUIT (MULTI) LCD (SHIFT POSITION) MASTER IND MICRO COMPUTER MPX ORG/ WIRE PNK WIRE PNK/BLU WIRE POWER SUPPLY CIRCUIT RED WIRE RED/BLK WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SNOW IND SPORT IND STARTING/ CHARGING SYSTEM THROTTLE BODY ASSEMBLY (TOP OF ENGINE) WHT WIRE WHT/BLK WIRE YEL 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

1 2 3 4 5 PNK WIRE A/F EFI 2 FUSE FUSE A/F RELAY AE (RIGHT REAR OF ENGINE COMPT) ANTI-THEFT SYSTEM B+ PNK WIRE BATT IGSW BLK WIRE BLK/RED WIRE BLU WIRE CANL CANH CCS COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM EFI MAIN FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FA (LEFT REAR OF ENGINE) GRN WIRE GROUND J/C 1 (LEFT REAR OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES KA (LEFT KICK PANEL) KICK DOWN SWITCH ASSEMBLY LT GRN WIRE MREL IREL FPC NEO PNK WIRE NSW IMO IMI ORG/ WIRE PNK 13 14 WIRE PNK 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 WIRE PNK 7 8 9 WIRE PNK PNK WIRE PNK WIRE RED WIRE RFC EPA SHIFT POSITION INDICATOR SPCN SR SFTD SFTU CAN- CAN+ PNK WIRE STA TC SNWI PWR STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM STP KD TACH SPSW TRANSMISSIONS SYSTEM VCPA SPD KSW PNK PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE