Lexus IS III (2013-2016) (under center console) Wiring diagrams

2.5L HID W/ HEADLIGHT CLEANER BATB BLU WIRE BZR COMPUTER DATA LINES SYSTEM DCTY DIODE (LUGGAGE COMPARTMENT LAMP) (LEFT FRONT OF TRUNK) ECU-IG RH FUSE EXCEPT 2.5L HID W/ HEADLIGHT CLEANER FR DOOR RH FUSE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IND INTEGRATION CONTROL, PANEL ASSEMBLY LP J/C KEY LOCK KEY UNLOCK KUL LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT FRONT "B" PILLAR) LEFT FRONT DOOR LOCK ASSEMBLY (DRIVER'S DOOR) LGCY LSW LSWP LT BLU WIRE LT GRN WIRE MULTI- DISPLAY ASSEMBLY SECU ORG/ WIRE PCTY POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT FRONT "B" PILLAR) RIGHT FRONT DOOR LOCK ASSEMBLY (FRONT PASSENGER'S DOOR) RIGHT MAIN BODY ECU SECURITY HORN ASSEMBLY (RIGHT REAR OF ENGINE COMPT) SECURITY INDICATOR LIGHT TI, TE FUSE UNLOCK DETECTION VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (INSIDE LEFT FRONT WHEELWELL)

24 25 CANL CANH 36 37 38 39 40 SWIL 7 6 IMO IMI ACCD BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTSW SLR+ DOME +B DOOR IND EFII EFIO ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START ID CODE BOX (CENTER OF DASH) IGN FUSE IND INDS INDW INPUT CIRCUIT J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LIN LT BLU WIRE LT GRN WIRE MASTER MICRO COMPUTER MICRO COMPUTER (SUB) MPX MULTI-INFORMATION DISPLAY ORG/ WIRE PNK SPD WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM STARTING/CHARGING SYSTEM POWER SOURCE CONTROL ECU (RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT RED WIRE RED/BLK WIRE RIGHT COWL SIDE J/B RIGHT COWL SIDE J/B (RIGHT SIDE (RIGHT END OF DASH) OF DASH) SECURITY FUSE SHIFT INTERLOCK SYSTEM SKSW SLP STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM SHIFT INTERLOCK SYSTEM STEERING LOCK ACTUATOR (STEERING COLUMN) STOP SW FUSE (RIGHT END OF DASH) STSW SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL 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 25 26 GND WIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 S/S +2 S/M ALTL WNG BACK BKUP BLK WIRE BLOCK BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FR WIP FUSE LH-IG FUSE FROM RIGHT COWL SIDE J/B (DIAGRAM 1 OF 2) FRONT CONTROLLER GRN WIRE GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HOT IN RUN OR START ILE RCTY LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU (LEFT COWL SIDE JUNCTION LEFT MAIN BODY ECU (LEFT COWL SIDE JUNCTION BLOCK) LGCY LKUL LPSW LT BLU WIRE LT GRN WIRE MPXB IG NAVIGATION SYSTEM PNK BDCY WIRE PNK WIRE POWER WINDOW REGULAR MASTER SWITCH ASSEMBLY RED WIRE RED/BLU WIRE SGND TL TR TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM YEL WIRE

BATB BDCY RCTY BLK WIRE BLU WIRE BRN WIRE COURTESY DCTY DCYL ECU-IG RH FUSE FOOT LAMP FR DOOR RH FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR COURTESY LIGHT ASSEMBLY LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT MAIN BODY ECU LEFT OUTER REARVIEW MIRROR ASSEMBLY LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LGCY LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE COMPARTMENT LIGHT DIODE (LEFT SIDE OF TRUNK) NOISE FILTER (LUGGAGE ROOM LAMP) (LEFT SIDE OF TRUNK) ORG/ WIRE PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PCTY PCYL PNK WIRE RCTY RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT ASSEMBLY RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT MAIN BODY ECU RIGHT OUTER REARVIEW MIRROR ASSEMBLY RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) ROOM LIGHT ASSEMBLY 2 TI, TE FUSE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

19 12 EC 6 7 5 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/ WHT WIRE BLU WIRE CIGARETTE LIGHTER ASSEMBLY CLOCK ASSEMBLY ILL+ CONSOLE BOX ILLUMINATION LIGHT ASSEMBLY DCM ILL+ (TELE- MATICS TRANS- CEIVER) (RIGHT SIDE OF DASH) FRONT CENTER REGISTER ILLUM- INATION ILL+ FUSE GLOVE BOX LIGHT ASSEMBLY GRN WIRE GRN/RED WIRE GRY WIRE HEAD AUTO HOT AT ALL TIMES ENGINE ROOM MPX-B FUSE R/B 1 (RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) HOT IN ON OR ACC HOT IN ON OR START RIGHT COWL SIDE J/B (RIGHT END OF DASH) ECU-IG RH FUSE ILL+ GND ILL- MULTI- DISPLAY ASSEMBLY ILL+ INTEGRATED CONTROL, PANEL ASSEMBLY ILL+ LEFT COWL SIDE J/B (LEFT END OF DASH) LIGHT CONTROL SWITCH HEADLIGHT DIMMER SWITCH ASSEMBLY LT GRN WIRE OFF TAIL ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY ILL+ PANEL FUSE RADIO RECEIVER ASSEMBLY SWG ILL+ RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT INTERIOR ILLUM- INATION LIGHT ASSE- MBLY 2 RIGHT MAIN BODY ECU SATELLITE SWITCH SET TAIL RELAY TRLY BECU W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

A/C FUSE TV 1 FUSE S/ROOF FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BODY COMPUTER SYSTEM COMPUTER DATA LINES SYSTEM ECU-IG LH FUSE ENGINE ROOM J/B 1 (DIAGRAM 2 OF 5) EXTERIOR DEFOGGER LIGHTS SYSTEM SYSTEM EXTERIOR LIGHTS, TRANSMISSIONS, NAVIGATION, CRUISE CONTROL, DOOR LOCKS SYSTEMS FR P/ SEAT LH FUSE FUEL OPN FUSE PSB FUSE MIR HTR FUSE FR P/ SEAT RH FUSE RAD 3 FUSE FR S/ HTR LH FUSE FR WIP FUSE FROM ENGINE ROOM J/B 1 (DIAGRAM 2 OF 5) FROM RIGHT COWL SIDE J/B (DIAGRAM 5 OF 5) GRN WIRE H-LP LVL FUSE IG WIG LEFT MAIN BODY ECU LH-IG 1 RELAY LH-IG 2 RELAY LH-IG FUSE LT BLU WIRE MEMORY SYSTEMS MEMORY, NAVIGATION, SEATS SOUND SYSTEMS SYSTEMS NAVIGATION SYSTEM OBD FUSE ORG/ WIRE PASSIVE DEFOGGER RESTRAINTS SYSTEM SYSTEM PNK WIRE POWER AIR TOPS CONDITIONING SYSTEM SYSTEM RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) TO PWR POINT RELAY (DIAGRAM 5 OF 5) RIGHT MAIN BODY ECU ALTB SEATS SYSTEM SOUND, NAVIGATION SYSTEMS STOP SW FUSE TAIL RELAY TI, TE FUSE VIO WIRE WHT WIRE WIPER/ DEFOGGER SEATS WASHER SYSTEM SYSTEM SYSTEM YEL WIRE

ACC FUSE ANTENNA BACK BLK WIRE BLU WIRE BRN WIRE CA+ CGND COMBINATION METER COMPUTER DATA LINES SYSTEM DISP GPS ANTENNA GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED INPUT CIRCUIT INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B LEFT MAIN BODY ECU LEFT STEERING PAD SWITCH LT BLU WIRE MACC MICRO COMPUTER MIN MODE MPX MSSL MULTI-MEDIA MODULE RECEIVER ASSEMBLY NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PARKING BRAKE SWITCH PNK WIRE RAD 3 FUSE RED WIRE REV RH ECU-IG FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) RIGHT MAIN BODY ECU RIGHT STEERING PAD SWITCH SDARS ASSEMBLY SEEK SGND SHIELD SPIRAL CABLE STEERING PAD SWITCH SWG TV 1 FUSE VIO WIRE VMTF VOICE VOL (-) W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE YEL WIRE

ANTI-THEFT SYSTEMS BLK WIRE BRN WIRE CB+ CGND COMPUTER DATA CV+ DOOR LOCKS GRN WIRE GRY WIRE GVIF INTERIOR LIGHTS SYSTEM LINES SYSTEM LT GRN WIRE MCI- MCO- MCVD MULTI-DISPLAY ASSEMBLY SECURITY INDICATOR LAMP MUTE ORG/ WIRE PNK WIRE REAR TELEVISION CAMERA ASSEMBLY RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2, 3 (FRONT SPEAKER ASSEMBLY 3) SEUC SGND SHIELD SPI+ SPO- USB USBG USBV VIO WIRE VMTI VOR- VOT+ W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE YEL WIRE

ACC FUSE AGND ALI ANTENNA ARI ASGN ATX- AUXI BLK WIRE BLU WIRE BRN WIRE CDL+ CDR+ COMPUTER DATA LINES SYSTEM CSLD GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM IVO+ LT BLU WIRE LT GRN WIRE MACC MIC - MULTIMEDIA INTERFACE ECU MUTE NCA WIRE ORG/ WIRE PNK WIRE RAD 3 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT COWL SIDE J/B RIGHT END OF DASH) SDARS ANTENNA SGND SHIELD SLD SLDI SWG TXM- UDI- UESG ULO+ UPO URO+ VIO WIRE W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE WHT/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