Lexus IS III (2013-2016) ecu-ig lh fuse Wiring diagrams

A/C AMPLIFIER (CENTER OF DASH) A/C FUSE A/C PRESSURE SENSOR (LEFT SIDE OF RADIATOR) A/C ROOM TEMPERATURE SENSOR (COOLER THERMISTOR) (LEFT CENTER OF DASH) AUTOMATIC LIGHT CONTROL SENSOR (TOP FRONT 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 DEFOGGER SYSTEM DGS DGS TSD ECU-IG LH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LOUT LT GRN WIRE MHTR RDFG MPX+ MPX- PNK SG-2 SG-6 WIRE PNK WIRE PRE TSP PNK WIRE REAR WINDOW DEFOGGER SWITCH RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) ROUT SEAT HEATER SWITCH (W/ CLIMATE CONTROL SEAT) SEATS SYSTEM SG-1 GND IG+ SG-4 SMOG VENTILATION SENSOR (3.5L) (RIGHT FRONT OF RADIATOR) SOLAR SENSOR SVSG SW 5 SW 4 TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

+BM 2.5L BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE IND DOME +B ECU-IG LH FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 1 ENGINE ROOM R/B 2 ETCS FUSE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT LEFT COWL SIDE J/B LH-IG FUSE LT GRN WIRE MICRO COMPUTER MPX MPX-B FUSE NCA WIRE ORG/ WIRE PNK WIRE POWER SUPPLY RED WIRE RIGHT COWL SIDE J/B RIGHT END OF DASH) SPEEDOMETER THROTTLE W/ MOTOR BODY ASSEMBLY (REAR OF ENGINE) TRANSMISSION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE EC+ ECU-IG LH FUSE GARAGE DOOR OPENER HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF DOME ENGINE COMPT) FUSE INNER +B REARVIEW MIRROR ASSEMBLY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT OUTER MIRROR CONTROL ECU (LEFT FRONT DOOR) EC- LEFT OUTER REARVIEW MIRROR ASSEMBLY LT GRN WIRE MAP LIGHT ASSEMBLY PNK WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT OUTER MIRROR CONTROL ECU (RIGHT FRONT DOOR) EC- RIGHT OUTER REARVIEW MIRROR ASSEMBLY WHT/BLK WIRE

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

AIR CONDITIONING SYSTEM AUTOMATIC LIGHT CONTROL SENSOR (BEHIND LEFT SIDE OF DASH) BATB BLK WIRE BLK/ WHT WIRE BLK/YEL WIRE BLU RED/ WIRE BLU WIRE BRN WIRE CLTB CLTE CLTS ECU-IG LH FUSE ECU-IG RH FUSE EL ER IG ENGINE ROOM J/B 2 (LEFT SIDE OF FRONT CONTROLLER ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FR DOOR RH FUSE FR TAIL RELAY FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FR TAIL FUSE HOT W/ ACC RELAY ENERGIZED LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL LIGHT ASSEMBLY (IF EQUIPPED) LR LL LT BLU WIRE LT GRN WIRE MARKER OCTY ORG/ WIRE PARKING/ DAYTIME RUNNING LIGHT TURN PCTY PNK WIRE RCTY RED WIRE RED/BLU WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT HEADLIGHT ASSEMBLY PARKING/ DAYTIME RUNNING LIGHT RIGHT MAIN BODY ECU RIGHT SIDE TURN SIGNAL LIGHT ASSEMBLY (IF EQUIPPED) SOLAR SENSOR TI, TE FUSE TSL TURN TURN SIGNAL FLASHER TURN, HAZ FUSE VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

BLK/YEL WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ECU-IG LH FUSE ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B 2, ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FR FOG FUSE FR FOG RELAY FR TAIL FUSE FROM FRONT CONTROLLER GRN/RED WIRE GRY WIRE H-LP L LWR FUSE H-LP R LWR FUSE H-LP UPR FUSE HEAD HI RELAY HEAD LP RELAY HOT AT ALL TIMES HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FOG LAMP ASSEMBLY LEFT HEADLIGHT ASSEMBLY LIGHT LOW CONTROL (HID) ECU LT GRN WIRE MAIN FUSE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOG LAMP ASSEMBLY RIGHT HEADLIGHT ASSEMBLY SOLENOID WHT/BLK WIRE

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ECU-IG LH FUSE ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE FRONT CONTROLLER COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT OF RADIATOR) GRN WIRE GRY WIRE HORN HORN (HIGH) HORN (LOW) HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END OF DASH) LT GRN WIRE MPX-B FUSE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT COWL SIDE J/B RIGHT END OF DASH) SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY WHT WIRE WINDSHIELD WIPER SWITCH ASSEMBLY 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

2 1 TX+ TX- A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C FUSE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DEFOG FUSE DEFOG RELAY ECU-IG LH FUSE ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 GRN WIRE GRN/BLK WIRE HEATED MIRROR RELAY (LEFT SIDE OF TRUNK) HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY (W/O LEXUS NAVIGATION SYSTEM) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT OUTER REAR VIEW MIRROR ASSEMBLY LH-IG 1 RELAY LH-IG 2 RELAY LH-IG FUSE MHTR MIR HTR FUSE MIRROR HEATER MULTI-DISPLAY ASSEMBLY (W/ LEXUS NAVIGATION SYSTEM) NOISE FILTER NOISE FILTER (REAR WINDOW DEFOGGER) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RDFG REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER SWITCH 7 19 TX+ TX- RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 IG 30 31 COMPUTER MPX+ MPX- DATA LINES SYSTEM A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) ANFR ANRL BLK WIRE BRN WIRE COMBINATION INT INT METER ASSEMBLY COMPUTER DATA LINES COMPUTER DATA LINES GTX+ GTX- SYSTEM COMPUTER DATA LINES SYSTEM DOME+B ECU-IG LH FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) INPUT CIRCUIT LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT REAR TIRE PRESSURE WARNING ANTENNA (LEFT REAR WHEELWELL) LSEL RSEL SET LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX+ MPX- MPX-B FUSE NCA WIRE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE PNK CLSW IDSW GND WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT RED WIRE RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT TIRE PRESSURE WARNING ANTENNA (RIGHT FRONT WHEELWELL) SATELLITE RSEL LSFT SET SWITCH SET SYSTEM TIRE PRESSURE IND MASTER IND TIRE PRESSURE WARNING ECU, RECEIVER VIO WIRE WHT WIRE WHT/BLK WIRE