Lexus IS III (2013-2016) main body ecu (in instrument panel j/b) Wiring diagrams

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

A/C AMPLIFIER ASSEMBLY (CENTER OF DASH) BLK WIRE BLU WIRE CANN CANP CERTIFICATION ECU (RIGHT END OF DASH) GRY WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS EXTERIOR LIGHTS SYSTEM HF HCTY HEAD CANL CANH HU TCYL FFOG FRCY ACAN LLEW TMSW TKUL CLTB CLTS CLTE TAIL LT BLU WIRE LT GRN WIRE MAIN BODY ECU (IN INSTRUMENT PANEL J/B) NETWORK GATEWAY ECU (IF EQUIPPED) (RIGHT SIDE OF DASH) ORG/ WIRE PNK WIRE RED WIRE RLEW RDA PRG FLCY GBS VIO WIRE WHT WIRE YEL WIRE

10 9 CANN CANP PNK WIRE 14 13 CANH CANL 3 11 CANP CANN 8 7 CANP CANN 9 8 CANP CANN ABSORBER CONTROL ECU (RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CAN J/C 4 (LEFT END OF DASH) CAN JUNCTION TERMINAL 2 (W/ NETWORK GATEWAY ECU) (UPPER LEFT CANL CANH CANL CANH 2 3 1 END OF DASH) GRN WIRE KC (RIGHT KICK PANEL) LEFT FRONT POWER SEAT SWITCH LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (W/ MEMORY) (LEFT FRONT DOOR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (IN INSTRUMENT PANEL J/B) MULTIPLEX TILT, TELESCOPIC ECU (IF EQUIPPED) (ON STEERING COLUMN) OPTION CONNECTOR (CENTER OF DASH) ORG/ WIRE PNK WIRE RED WIRE VIO WIRE W/ MEMORY W/ NETWORK GATEWAY ECU W/ VGRS SYSTEM WHT WIRE YEL WIRE

13 14 CANL CANH COMPUTER DATA LINES SYSTEM 17 27 28 1 FRCL DMDR DMON FLCL 6 27 FLCY FRCY BLK WIRE BLU WIRE DOME CUT RELAY DOME FUSE ECU-B FUSE FOOT LIGHT FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B J/C 6 (RIGHT FRONT DOOR) J/C 7 (LEFT FRONT DOOR) KC (RIGHT KICK PANEL) LEFT FRONT COURTESY LIGHT LEFT FRONT DOOR LOCK W/ MOTOR (DRIVER'S DOOR) LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "C" PILLAR) LEFT REAR DOOR LOCK W/ MOTOR (LEFT REAR DOOR) LSWR LT GRN WIRE LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 MAIN BODY ECU (IN INSTRUMENT PANEL J/B) MILE NA (REAR OF RIGHT FRONT DOOR) NB (REAR OF LEFT FRONT DOOR) ORG/ WIRE PA (RIGHT "B" PILLAR) PARKING BRAKE SWITCH ASSEMBLY (LEFT SIDE OF DASH) QA (LEFT "B" PILLAR) RED WIRE RED/ BLK WIRE RELAY ENERGIZED RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT "B" PILLAR) RIGHT FRONT DOOR LOCK W/ MOTOR (FRONT PASSENGER'S DOOR) RIGHT OUTER REARVIEW MIRROR ASSEMBLY (W/O MEMORY) RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT "C" PILLAR) RIGHT REAR DOOR LOCK W/ MOTOR (RIGHT REAR DOOR) TCYL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

11 18 6 27 17 HCTY TKUL FLCY FRCY 13 14 5 4 29 2 7 CANL CANH PRG RDA 31 32 9 10 8 BECU IG ACT+ ACTD ACT- 6 23 14 TR+ DOMR TRLY ALL DOOR LOCK RELAY BLK WIRE BLK/ WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM 18 19 D DOOR UNLOCK RELAY D/L FUSE ECU-B FUSE FUSE GBS GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B (LEFT END INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM KA (LEFT KICK PANEL) KC (RIGHT KICK PANEL) L/D DOOR UNLOCK RELAY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE LUGGAGE DOOR OPENING CANCEL SWITCH SWITCH ASSEMBLY MAIN BODY ECU (IN INSTRUMENT PANEL J/B) OF DASH) ORG/ WIRE P/W FUSE PNK TSW SSCL LSWR WIRE PNK WIRE RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT "B" PILLAR) SH LSFL BZR LGCY RCTY LCTY LSFR LSWL TMSW TRUNK OPN FUSE TRUNK OPN RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 IG 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RH+ LH+ SBR 13 14 12 CANL CANH 31 32 BECU IG AUTO TAIL HEAD BLK WIRE BRN WIRE CAN I/F CANADA USA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DRL OFF OFF ECU-B FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRWA FUSE GRN WIRE GROUND J/C 1 (LEFT REAR OF ENGINE COMPT) GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT LEVELING ACTUATOR HEADLIGHT LEVELING ECU ASSEMBLY (LEFT KICK PANEL) HLC RHT LHT SHRL HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B KA (LEFT KICK PANEL) KC (RIGHT KICK PANEL) LED DRIVER LEFT HEADLIGHT ASSEMBLY LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (LEFT REAR SUSPENSION) LH E LH T LHIG LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (IN INSTRUMENT PANEL J/B) METER (LEFT END FUSE OF DASH) MPX-B 1 FUSE ORG/ WIRE OUT RED WIRE RH E RH LH RH T RHIG RIGHT HEADLIGHT ASSEMBLY SGR TELLTALES VCC VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM YEL WIRE

14 11 TRLY 14 13 CANH CANL 20 19 21 CLTS CLTB CLTE 22 8 12 TAIL 32 31 30 IG BECU 4 1 2 CLTS CLTB CLTE ACAN AUTO DRL OFF OFF TAIL HEAD AUTOMATIC LIGHT CONTROL SENSOR (RIGHT SIDE OF DASH, AT BASE OF WINDSHIELD) BLK WIRE BLU WIRE CANADA COMPUTER DATA LINES SYSTEM CONTROL DOME LIGHT SWITCH ECU-ACC FUSE ECU-B FUSE ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GLOVE BOX LIGHT GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES ILLB INSTRUMENT PANEL J/B (LEFT END OF DASH) J/B LH-AM FUSE KA (LEFT KICK PANEL) KC (RIGHT KICK PANEL) LIGHT CONTROL SWITCH LILL LT GRN WIRE MAIN BODY ECU (IN INSTRUMENT PANEL J/B) MAP LIGHT ASSEMBLY MAP LIGHT SWITCH ORG/ WIRE PANEL FUSE PNK WIRE RED WIRE RELAY RELAY ENERGIZED RILL RLMP SLIDING ROOF SOLAR SENSOR SPOT LIGHT ASSEMBLY SWITCH TAIL AUTO OFF DRL OFF HEAD TAIL RELAY USA WHT WIRE WHT/BLK WIRE YEL WIRE