Lexus IS III (2013-2016) relay energized Wiring diagrams

9 10 CAN- CAN+ BACKUP LIGHT BKUP BLK WIRE BLU/RED WIRE COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU MPXB LEFT REAR COMBINATION LIGHT ASSEMBLY LH-IG FUSE MPX-B FUSE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (TRANSMISSION ASSEMBLY) RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT REAR COMBINATION BACKUP LIGHT LIGHT ASSEMBLY SGND WHT WIRE YEL WIRE

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 PKB LCTY TRLY HRLY 28 29 30 31 32 HORN SH BECU IG BLK WIRE BLU WIRE BZR DMDR DMON DOMR GSW DRLE FSPT DOOR LOCKS, ANTI-THEFT SYSTEMS ECU-ACC FUSE ECU-B FUSE EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM POWER WINDOWS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS HOT AT ALL TIMES ILE RCTY FRCL LGCY LSWL TR+ FFGO ACT- ACT+ ACTD INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM INSTRUMENT PANEL J/B (LEFT END OF DASH) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LT BLU WIRE LT GRN WIRE MAIN BODY ECU (IN INSTRUMENT PANEL J/B) NAVIGATION, SOUND SYSTEMS ORG/ WIRE PNK CANP CANN WIRE PNK WIRE POWER WINDOWS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS RED WIRE RELAY RELAY ENERGIZED REV FRCL SSCL TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 IG 1 4 7 PNK IG WIRE 2 1 3 PNK VS IGB GND WIRE 20 11 PNK WIRE 20 34 PNK 2 4 PNK TSR SG-3 WIRE 3 4 PNK CANH CANL WIRE 8 6 ILL- ILL+ A/C AMPLIFIER (CENTER OF DASH) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CUSHION CENTER FUSE GRN WIRE IGB VS SI GND PNK WIRE INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C J/C 11 (UNDER FRONT PASSENGER'S SEAT) J/C 12 (UNDER DRIVER SEAT) KA (LEFT KICK PANEL) LEFT SEAT BACK CLIMATE CONTROL BLOWER (DRIVER'S SEAT BACK) LEFT SEAT CLIMATE CUSHION CONTROL BLOWER ASSEMBLY (DRIVER'S SEAT CUSHION) LEFT SEAT HEATER ASSEMBLY (LEFT SEPARATE TYPE FRONT SEAT BACK COVER) LH BOLSTER LOUT LT BLU WIRE LT GRN WIRE ORG/ WIRE PA (RIGHT "B" PILLAR) PNK SHD + WIRE PNK SW WIRE PNK WIRE QA (LEFT "B" PILLAR) RED WIRE REFRESHING SEAT SWITCH RELAY ENERGIZED RH BOLSTER RIGHT SEAT BACK CLIMATE CONTROL BLOWER (FRONT PASSENGER'S SEAT BACK) RIGHT SEAT HEATER ASSEMBLY (RIGHT SEPARATE TYPE FRONT SEAT BACK COVER) RIGHT SEAT HEATER CONTROL ROUT S/HTR F/L FUSE S/HTR F/R FUSE SEAT BACK) SEAT HEATER CONTROL SG-4 SHP+ SWL SWR THL THR+ TSL VIO WIRE WHT WIRE WHT/BLK WIRE

3.5L, 2.5L ACCELERATOR POSITION SENSOR (ACCELERATOR PEDAL ASSEMBLY) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CCHG COMPUTER DATA LINES SYSTEM CONTROL STEERING CRUISE CONTROL MAIN SWITCH CRUISE CONTROL SWITCH EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 2 GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IGN FUSE LEFT PADDLE LGND LT GRN WIRE MODE ORG/ WIRE PAD SWITCH PADDLE SHIFT SWITCH PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU RED WIRE RED/BLK WIRE RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT DISTANCE RIGHT END OF DASH) RIGHT PADDLE SFTD SFTU SHIFT SWITCH SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY STOP LAMP SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

ACCELERATOR POSITION SENSOR (ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH CRUISE CONTROL SWITCH EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 2 GAUGE FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IGN FUSE LEFT PADDLE LT GRN WIRE ORG/ WIRE PADDLE SHIFT SWITCH PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU RED WIRE RED/BLK WIRE RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) RIGHT PADDLE SFTD SFTU SHIFT SWITCH SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH STOP LAMP SWITCH STOP SW FUSE TRANSMISSION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN 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

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

2 4 SG-4 TSL 4 2 SG-3 PNK PNK TSR WIRE 8 6 ILL- ILL+ A/C AMPLIFIER (CENTER OF DASH) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CUSHION CENTER FUSE GRN WIRE INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 11 (UNDER FRONT PASSENGER'S SEAT) J/C 12 (UNDER DRIVER'S SEAT) KA (LEFT KICK PANEL) LEFT SEAT HEATER ASSEMBLY (LEFT SEPARATE TYPE FRONT SEAT BACK COVER) LH BOLSTER LT BLU WIRE LT GRN WIRE ORG/ WIRE PA (RIGHT "B" PILLAR) PNK CANH CANL WIRE PNK IG WIRE PNK PNK SHD+ WIRE PNK SW WIRE PNK WIRE QA (LEFT "B" PILLAR) RED WIRE REFRESHING SEAT SWITCH RELAY ENERGIZED RH BOLSTER RIGHT SEAT HEATER ASSEMBLY (RIGHT SEPARATE TYPE FRONT SEAT BACK COVER) RIGHT SEAT HEATER CONTROL S/HTR F/L FUSE S/HTR F/R FUSE SEAT BACK) SEAT HEATER CONTROL SHP+ SWL SWR THL THR+ VIO WIRE WHT WIRE WHT/BLK WIRE

8 1 PNK IG WIRE ASSEMBLY BLK WIRE BLU WIRE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HEATER CONTROL HOT AT ALL TIMES ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) STRG HTR FUSE INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT REAR OF ENGINE COMPT) J/C 1 (LEFT SIDE OF ENGINE COMPT) KA (LEFT KICK PANEL) ORG/ WIRE PNK WIRE RED WIRE REFRESHING SEAT SWITCH RELAY ENERGIZED SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY (UNDER STEERING WHEEL) STEERING HEATER STEERING WHEEL HEATER CONTROL ASSEMBLY STRG HTR RELAY WHT WIRE WHT/BLK WIRE

AB (LEFT REAR OF ENGINE COMPT) AIR CONDITIONING SYSTEM ALT ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE DEFOGGER SYSTEM DRLL DRLR ENG-IG 2 FUSE ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HOT AT ALL TIMES J/C 1 (LEFT SIDE OF ENGINE COMPT) OUT P/I-AM FUSE P/I-B FUSE PNK WIRE RED WIRE RELAY ENERGIZED SEMICONDUCTOR POWER INTEGRATION ECU TAIL VIO WIRE WHT WIRE WHT/BLK WIRE