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

+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

14 13 CANH CANL 31 22 2 STPO 8 12 13 IGSW BACKUP BACKUP LAMPS CIRCUIT BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRK-LP RELAY BRN WIRE COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM R/B 3 (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) LH J/B- AM FUSE HOT IN ON OR START IGN FUSE JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LT GRN WIRE MARKER IND NOISE FILTER (STOP LIGHT) (LEFT SIDE OF TRUNK) PNK 8 6 4 2 OUT +B GND STP WIRE POWER SOURCE CONTROL ECU RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT COWL RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY SHIFT LOCK CONTROL ECU STOP CENTER LIGHT SET STOP LIGHT CONTROL RELAY (BEHIND CENTER OF DASH) STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE SIDE J/B (RIGHT END OF DASH) STOP/ TAIL IND STOP/ TAIL MARKER IND IND STP TL TAIL FUSE TAIL IND TAIL RELAY TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) TRN+ TURN TURN BACKUP WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

+IG 4 6 7 5 HEAD AUTO BATB BLK WIRE BLU WIRE BRN WIRE CLTB CLTE CLTS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DCTY DIMMER SWITCH DOME +B DRL OFF IND ECU-IG RH FUSE FLASH LOW FOG SWITCH FR DOOR RH FUSE FRONT FOG IND BEAM IND FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEAD AUTO HEAD CLTB CLTS CLTE HEAD IND (USA) HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM MPX-B R/B 1 FUSE (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR ACC HOT IN ON OR START HU HF INPUT CIRCUIT LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH (LEFT "B" PILLAR) LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX+ MPX- OFF TAIL ORG/ WIRE POWER SUPPLY CIRCUIT RCTY PCTY REAR FOG IND RED WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU RIGHT REAR DOOR COURTESY LIGHT SWITCH (RIGHT "C" PILLAR) TAIL TI, TE FUSE TO LEFT COWL SIDE J/B (DIAGRAM 2 OF 2) WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL/BLK WIRE

13 14 CANL CANH 2 19 24 7 TACH SPD PNK WIRE 24 26 18 SPD MOL MOPS BLK WIRE BLK/ WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) 3 (BEHIND LOWER LEFT SIDE OF DASH) DCM TELEMATICS TRANSCEIVER (RIGHT SIDE OF DASH) DCTY ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ECU-IG LH FUSE ENGINE OIL LEVEL SENSOR (RIGHT SIDE OF OIL PAN) ENGINE OIL PRESSURE SWITCH (LOWER FRONT OF ENGINE) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FUEL SENDER GAUGE ASSEMBLY (FUEL TANK) FUEL SENDER/ GAUGE ASSEMBLY (SUB) (FUEL TANK) FUSE GRN WIRE GRN/ YEL WIRE GRN/RED WIRE GRY WIRE HOT IN ON OR ACC LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LEVEL WARNING SWITCH (WASHER RESERVOIR) LGCY LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) MULTI-MEDIA MODULE RECEIVER ASSEMBLY (W/ NAVIGATION) ORG/ WIRE PCTY PNK 2 3 WIRE PNK SPDP WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RADIO RECEIVER ASSEMBLY (W/O NAVIGATION) RCTY RED WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU RIGHT STEERING PAD SWITCH SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT AMPLIFIER (RIGHT REAR OF TRUNK) SWG TAC TACH VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

8 SPEAKER 15 SPEAKER A/C SWITCH BLK WIRE BLU WIRE CA+ CB+ CGND CV+ GRN WIRE GVIF ILL LT GRN WIRE MI+ MO- MULTI- DISPLAY ASSEMBLY MUTE ORG/ WIRE PNK WIRE REAR TELEVISION CAMERA ASSEMBLY RED WIRE REV SHIELD SLD SLDI SLDO TMUT VIO WIRE VMTI WHT WIRE WHT/BLK WIRE WUI

ADIM BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE HOT W/ INSTRUMENT PANEL J/B LT GRN WIRE MACC MAP LIGHT ASSEMBLY MCO- METER FUSE MICROPHONE MIN ORG/ WIRE PARKING BRAKE SWITCH ASSEMBLY PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE SGND SHIELD SWG VIO WIRE VMTF W/ LEXUS ENFORM, SAFETY CONNECT W/O LEXUS ENFORM, SAFETY CONNECT WHT WIRE WHT/BLK WIRE

ACC RELAY ADIM ADPG AGND BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU CNAH COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) ECU-ACC FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B J/C 1 LT BLU WIRE LT GRN WIRE MACC MAIN ANTENNA MIN NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH ASSEMBLY PNK WIRE RADIO FUSE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT END OF DASH) SDARS ANTENNA SGND SHIELD STEREO JACK ADAPTER ASSEMBLY 1 SUB ANTENNA SWG VA- VAL+ VAR+ VIO WIRE VV- WHT WIRE WHT/BLK WIRE

15 SPEAKER 8 SPEAKER A/C SWITCH BLK WIRE BLU WIRE BRN WIRE CA+ CB+ CGND CV+ GIVF GRN WIRE GRY WIRE ILL LEFT STEERING PAD SWITCH LT GRN WIRE MI+ MO- MODE MULTI- DISPLAY ASSEMBLY OFF HOOK ON HOOK ORG/ WIRE PNK WIRE RADIO RECEIVER ASSEMBLY REAR TELEVISION CAMERA ASSEMBLY RED WIRE REV RIGHT STEERING PAD SWITCH SEEK SHIELD SLDI SLDO SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY VIO WIRE VMTI VOICE VOICE RETURN VOL (-) WHT WIRE WHT/BLK WIRE WUO

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY CYLINDER FUEL LID FUEL LID W/ MOTOR LOCK ASSEMBLY (LEFT REAR OF VEHICLE) FUEL OPN FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LKUL LPSW LT BLU WIRE LT GRN WIRE LUGGAGE LUGGAGE COMPARTMENT DOOR LOCK LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE COMPARTMENT DOOR OPENING CANCEL SWITCH ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH (CENTER REAR OF LUGGAGE COMPT LID) MPX-B FUSE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU SGND MPXB TKUL TR+ LGCY TSW BECU WHT WIRE WHT/BLK WIRE