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

ALTB ACT+ BATB BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CPUB DOOR END OF DASH) RIGHT MAIN BODY ECU FR DOOR RH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES KUL LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LEFT REAR DOOR LOCK ASSEMBLY (REAR OF LEFT REAR LGCY LOCK KEY LSSR LSW LSWL GSW LSWP LSWR LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY PWS RED WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT RIGHT FRONT DOOR LOCK ASSEMBLY (REAR OF RIGHT FRONT DOOR) RIGHT REAR DOOR LOCK ASSEMBLY (REAR OF RIGHT REAR DOOR) TI, TE FUSE UDL UNLOCK DETECTION UNLOCK KEY VIO WIRE 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 HEADLIGHTS SYSTEM 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 MLP+ 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 MLP PNK WIRE RED/WHT WIRE RIGHT OUTER REAR VIEW MIRROR MLP+ SGND TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL 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

1 2 3 PNK WIRE 4 5 6 7 8 9 PNK WIRE BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CLG CLGB COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DATA DOME +B DOOR CONTROL RECEIVER (CENTER FRONT OF TRUNK) ECU-IG RH FUSE FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INPUT CIRCUIT J/C LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR ELECTRICAL KEY OSCILLATOR (FRONT LEFT DOOR) LEFT MAIN BODY ECU LH-IG 1 RELAY LH-IG FUSE LT GRN WIRE MASTER IND MICRO COMPUTER MPX MPXB ORG/ WIRE OUTSIDE LEFT FRONT DOOR HANDLE ASSEMBLY PARK/ NEUTRAL POSITION SWITCH (TRANSMISSION ASSEMBLY) PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT DOOR ELECTRICAL KEY OSCILLATOR (RIGHT FRONT DOOR) RIGHT MAIN BODY ECU RSSI SEL SENS SGT TRG+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 B+ 13 14 25 CANL CANH RL 15 14 EFII EFIO PNK WIRE 2 30 31 20 STAR IMO IMI STA ACCD BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTSW SLR+ ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) FUSE GENERATOR ASSEMBLY GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 2 STR LOCK FUSE (LEFT SIDE OF ENGINE COMPT) ID CODE BOX (BEHIND CENTER OF DASH) IGE SGND GND INDS INDW INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B (LEFT END OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK ALT WIRE PNK SPD WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT IGN FUSE END OF DASH) RIGHT COWL RIGHT COWL SIDE J/B (RIGHT END OF DASH) SECURITY FUSE SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE) SKSW SLP STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM STEERING LOCK ACTUATOR (STEERING COLUMN) STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SIDE J/B SW (RIGHT FUSE END OF DASH) STSW SWIL VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C FUSE A/C PRESSURE SENSOR (LEFT SIDE OF RADIATOR) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLW BRN WIRE BRN/RED WIRE CLTB CLTE CLTS COMPRESSOR ASSEMBLY COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGS DGS TSD TAM SG SG-2 SG-6 ECU-IG LH FUSE FLOW CONTROL FRONT BLOWER FAN MOTOR (UNDER LOWER GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LH-IG 1 RELAY ENERGIZED HOT W/ LH-IG 2 RELAY ENERGIZED JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LT GRN WIRE MHTR RDFG MPX+ MPX- ORG/ WIRE PNK WIRE PRE TSP PNK WIRE RED WIRE RIGHT MAIN BODY ECU (RIGHT COWL SIDE JUNCTION BLOCK) SG-1 GND IG+ SMOG VENTILATION SENSOR (FRONT OF RADIATOR) SOL + SOLAR SENSOR AUTOMATIC LIGHT CONTROL SENSOR (BEHIND LEFT SIDE OF DASH) TSL TSR VALVE VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

1 2 3 +B SI GND 19 13 14 RFC CANL CANH A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C BLOWER ASSEMBLY A/C EVAPORATOR TEMPERATURE SENSOR B+ BUS BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BUS - BUS G COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING COLOR CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (NATURAL) COOLING FAN ECU (BEHIND LEFT RADIATOR COOLING FAN MOTOR) COOLING FAN ECU 2 (BEHIND RIGHT RADIATOR COOLING FAN MOTOR) COOLING FAN MOTOR 1 (LEFT FRONT OF ENGINE COMPT) COOLING FAN MOTOR 2 (RIGHT FRONT OF ENGINE COMPT) DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX DRIVER SIDE) DAMPER SERVO MOTOR (AIR MIX FRONT PASSENGER SIDE) DAMPER SERVO MOTOR (AIR VENT MODE) DAMPER SERVO MOTOR (COOL AIR BYPASS) ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) EFI ENGINE COOLANT TEMPERATURE SENSOR (TOP OF ENGINE) ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF FAN 1 FUSE FAN RELAY 1 FAN RELAY 2 FAN-2 FUSE GRN/YEL WIRE HEATER FUSE HOT AT ALL TIMES RED WIRE RED/BLK WIRE RED/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+BM 17 12 13 CCHG 21 13 14 15 TC CANL CANH CCS 24 16 SPD LGND 29 20 23 28 21 22 1 VPA EPA VCPA 56 34 PNK WIRE 6 7 PNK WIRE 8 7 SFTU SFTD BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) EFI FUSE EFI MAIN RELAY ENGINE ROOM ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LH-IG 1 RELAY ENERGIZED IGN FUSE JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B LH-IG FUSE (LEFT END OF DASH) LT GRN WIRE M- M+ ETA NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (TRANSMISSION ASSEMBLY) PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RELAY ENERGIZED STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE THROTTLE BODY ASSEMBLY (TOP OF ENGINE) VCTA VTA VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

1 2 3 4 5 LGND SGND LRDD LRRD IGB BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CIRCUIT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE IND DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) DOME +B ENGINE ROOM GRN/RED WIRE GRY WIRE HOT AT ALL TIMES IGB INPUT CIRCUIT J/C JUNCTION JUNCTION CONNECTOR LCD (MULTI) LRDD LRRD LT GRN WIRE MICRO COMPUTER MILLIMETER WAVE RADAR SENSOR (BEHIND CENTER OF FRONT GRILLE) MODE MPX MPX-B FUSE R/B 1 (RIGHT REAR OF ENGINE COMPT) ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) GAUGE FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SGND SPEEDOMETER STEERING SENSOR (UNDER LEFT SIDE OF DASH) SUPPLY POWER VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL/GRN WIRE

17 16 6 7 19 18 RR+ RR- FR- FR+ FL+ FL- 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 4 5 RL- RL+ BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) 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 OIL ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SLT+ NTB NTO SLT- SL SLU+ SLU- SLU+ TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/GRN WIRE