Lexus IS III (2013-2016) power source control ecu (behind right side of dash) Wiring diagrams

1 3 4 6 GND SIG CPUB BDR BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM DATA DCTY DOOR CONTROL RECEIVER (CENTER FRONT OF TRUNK) ECU-IG RH FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES JUNCTION CONNECTOR LEFT FRONT DOOR COURTESY LIGHT SWITCH (LEFT "B" PILLAR) LEFT FRONT SEAT MEMORY SWITCH LEFT OUTER MIRROR CONTROL ECU (LEFT FRONT DOOR) LT GRN WIRE MPX-B FUSE MSWE ORG/ WIRE PNK 34 7 24 WIRE PNK PNK WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RCO RED WIRE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU RSSI SET- SILE WHT WIRE WHT/BLK WIRE YEL WIRE

+IG BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT SIDE OF TRUNK) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME+B ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GND TR TL GRN RED/ WIRE GRN WIRE GRN/ LT WIRE GRN/RED WIRE GRY WIRE HAZARD SWITCH HEAD AUTO HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ LH-IG 1 RELAY ENERGIZED INPUT CIRCUIT JUNCTION LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LH TURN IND LH-IG FUSE LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX+ MPX- MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) OFF OFF TAIL ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RED GRN/ WIRE RED WIRE RELAY ENERGIZED RH TURN IND RIGHT COWL SIDE J/B (RIGHT END OF DASH) TAIL TAIL IND (EXCEPT USA) TURN SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

1 2 3 4 5 6 HDLO 2 4 5 6 7 IG HEAD BLK WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE COMPUTER DATA LINES SYSTEM ECU-IG RH FUSE FRONT CONTROLLER FRWA PB GRN WIRE GRY WIRE HEAD AUTO HEAD HDLO HEAD LP RELAY HEADLAMP CLEANER SWITCH ASSEMBLY HEADLIGHT CLEANER CONTROL RELAY (BELOW LEFT HEADLIGHT) HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY (WASHER RESERVOIR) HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM HOT AT ALL TIMES ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) J/B 2 (LEFT SIDE OF ENGINE COMPT) WASHER FUSE LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG 1 RELAY LH-IG FUSE LIGHT CONTROL SWITCH MAIN FUSE OFF OFF TAIL ORG/ WIRE PNK 34 24 7 WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) R/B 2 (LEFT SIDE OF ENGINE COMPT) H-LP CLN FUSE RED WIRE RED/GRN WIRE RED/WHT WIRE RH-IG 1 RELAY RIGHT MAIN BODY ECU TAIL HEAD AUTO WASH RELAY WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY (WASHER RESERVOIR) WINDSHIELD WIPER SWITCH ASSEMBLY YEL 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

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

BLK WIRE BLU WIRE BRN WIRE BZR COMPUTER DATA LINES SYSTEM DCTY ECU-IG RH FUSE END OF DASH) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FR DOOR RH FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LED LED AUTO LED AUTO LIN LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LT GRN WIRE MOTOR (RIGHT FRONT DOOR) MPX-B FUSE PNK LIN WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT RIGHT FRONT POWER WINDOW REGULATOR RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT MAIN BODY ECU RIGHT REAR POWER WINDOW REGULATOR MOTOR (RIGHT REAR DOOR) RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RR DOOR RH FUSE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT)

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 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

1 2 3 4 5 6 7 GND SGND IGE 32 26 30 SLR+ SLP BLK WIRE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES ID CODE BOX (BEHIND CENTER OF DASH) IGN FUSE JUNCTION LIN LT GRN WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) STEERING LOCK ACTUATOR (STEERING COLUMN) STR LOCK FUSE VIO WIRE WHT WIRE WHT/BLK 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