Lexus LS IV (2006-2012) lt blu Wiring diagrams

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 IG SYSB 2 1 3 4 TDB- TDB+ 2 1 4 3 TDC- TDC+ TCS ASSEMBLY BCS BFC- BLK WIRE BLU WHT/BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE COMBINATION SWITCH DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IND INDR LT BLU WIRE LT GRN WIRE MPX OF DASH) ORG/ WIRE P S/HTR FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PILLAR) PNK BFC+ BCS BFC- TDC- TDC+ TDB- TDB+ VER GND LIN WIRE PNK BFC+ WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SEAT CLIMATE CONTROL BLOWER (UNDER FRONT PASSENGER'S SEAT) RIGHT FRONT SEAT CLIMATE CONTROL ECU RIGHT FRONT SEAT CLIMATE CONTROL SWITCH RIGHT FRONT SEAT CLIMATE CONTROLLER RIGHT FRONT SEAT CLIMATE CONTROLLER SEAT BACK RIGHT FRONT SEAT HEATER (FRONT PASSENGER'S SEAT BACK) SEAT BACK) SEAT CUSHION (FRONT PASSENGER'S SEAT BACK) SEAT CUSHION WING SEAT CUSHION) TBS VG TCS TBS VS VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 1 4 3 TDC- TDC+ TCS BCS BFC- BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) D S/HTR FUSE DRIVER SIDE J/B (LEFT END OF DASH) FUSE GND LIN GRN WIRE GRY WIRE HOT AT ALL TIMES IG SYSB IND INDL LEFT FRONT SEAT CLIMATE CONTROL BLOWER (UNDER DRIVER'S LEFT FRONT SEAT CLIMATE CONTROL ECU (UNDER DRIVER'S SEAT) LEFT FRONT SEAT CLIMATE CONTROL SWITCH LEFT FRONT SEAT CLIMATE CONTROLLER SEAT BACK LEFT FRONT SEAT CLIMATE CONTROLLER SEAT CUSHION (DRIVER'S SEAT BACK) LEFT FRONT SEAT HEATER (DRIVER'S SEAT BACK) LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY PNK 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 WIRE PNK BFC+ BCS BFC- TDC- TDC+ TDB- TDB+ WIRE PNK WIRE RED WIRE RELAY ENERGIZED SEAT BACK) SEAT CUSHION) SEAT) TBS TDB+ VG TCS TBS VS VIO WIRE WHT WIRE WHT/BLK WIRE WING YEL WIRE

-TW 1 2 3 4 5 6 +B GND 1 2 3 4 5 6 7 8 9 10 WFR+ FL+ TWL+ TWR+ WFR- FL- FR- FR+ TWL- TWR- AMP FUSE BLK (OR VIO) WIRE BLK WIRE BLU WIRE CENTER SPEAKER CTR+ WFL+ DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES D MPX B 2 HOT IN ON OR ACC INSTRUMENT CLUSTER SYSTEM J/B 5 (LEFT SIDE OF DASH) LEFT FRONT WOOFER LEFT REAR SQUAWKER LEFT REAR TWEETER LT BLU WIRE LT GRN WIRE MARK LEVINSON EXCEPT MARK LEVINSON MO- NCA WIRE P-ACC FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK CTR+ WFL+ WIRE PNK WIRE REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE RIGHT FRONT WOOFER RIGHT REAR SQUAWKER RIGHT REAR TWEETER RLD RRD SLDO MO- STEREO COMPONENT AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) TMUT VIO WIRE WHT WIRE WHT/BLK WIRE WOOFER WUO YEL (OR PNK) WIRE YEL WIRE

1 2 3 4 ALO ARO ASGN AUXO ALI ANT ANTENNA ARI ASGN ATX- AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE HOT IN ON OR ACC J/B 5 (LEFT SIDE OF DASH) LEFT FRONT TWEETER LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MODE MUTE NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK WIRE RADIO ANTENNA RADIO RECEIVER ASSEMBLY RED WIRE RR ACC FUSE SEEK + SEEK - SLD SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEREO JACK ADAPTER 1 SWG VIO WIRE VOICE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DCM DISPLAY, NAVIGATION MODULE DISPLAY FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MACC MCI- MCO- MCVD MI+ MICROPHONE, MICROPHONE AMPLIFIER MIN MUTE NCA WIRE ORG/ WIRE P-ACC FUSE PASSENGER SIDE J/B PNK WIRE RADIO (RIGHT END OF DASH) FUSE REAR SEAT ENTERTAINMENT CIRCUIT REAR SEAT ENTERTAINMENT CIRCUIT GPS ANTENNA RED WIRE REV RIGHT FRONT TWEETER RSE SGND SLDI SPI+ SPO- UGND USB USBG USBV VIO WIRE VMTR VOR- VOT+ W/ LEXUS ENFORM OR SAFETYCONNECT W/ REAR SEAT ENTER- TAINMENT SYSTEM W/ REAR SEAT ENTERTAINMENT SYSTEM W/O LEXUS ENFORM OR SAFETYCONNECT W/O REAR SEAT ENTERTAINMENT SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 AGND VV+ VAR+ VAL+ SG VV- VA- ADPG ARON AIR AUTO BLK WIRE BLU WIRE BRN WIRE CANN CANP CB+ CGND COMPUTER DATA LINES SYSTEM CV+ DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B ELECTRIC PARKING BRAKE SWITCH GRN WIRE IEEE IEEE CONNECTOR (LEFT SIDE OF DASH) J/B 3 (RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MULTI-MEDIA MODULE NAVIGATION ASSEMBLY (W/ DVD) (RIGHT SIDE OF DASH) NCA WIRE NTSC NTSO V+ CA+ ORG/ WIRE PARKING ASSIST ECU (RIGHT END OF DASH) PARKING BRAKE ECU (LEFT SIDE OF LUGGAGE COMPT) PKBO PNK WIRE PULL PUSH REAR JUNCTION BLOCK ECU (LEFT SIDE OF LUGGAGE COMPT) REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE SGND SUPPLEMENTAL RESTRAINTS SYSTEM TELEVISION CAMERA (CENTER REAR OF LUGGAGE COMPT LID) ULO+ URO+ V- CGND VGN VIO WIRE VLI VRI W/ HDD WHT WIRE WHT/BLK WIRE YEL WIRE

11 5 IRLY 8 9 13 14 12 IG GND RX TX SGND BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) DRIVER SIDE J/B (LEFT SIDE OF DASH) ECU-IG FUSE FUSE GRN WIRE GRY WIRE GVI- HOT AT ALL TIMES DRIVER SIDE J/B STOP (LEFT END FUSE OF DASH) HOT IN ON OR START HOT IN ON OR START ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) NV-IR FUSE IG IRL IRDV GND IRFL IRLY IRR LEFT HEADLIGHT ASSEMBLY LT BLU WIRE LT GRN WIRE NEAR INFRARED PROJECTOR OBJECT RECOGNITION ECU (IF EQUIPPED) (RIGHT REAR OF LUGGAGE COMPT) ORG/ WIRE OVERHEAD MODULE (ROOF CONSOLE) PASSENGER SIDE J/B (RIGHT END OF DASH) RED WIRE RIGHT HEADLIGHT ASSEMBLY SGND RX TX SOL + SOL IRFR STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 IG BLK WIRE BLU WIRE ECU-IG FUSE ENGINE CONTROLS SYSTEM FROM FROM LUGGAGE ROOM J/B (DIAGRAM 4 OF 6) FROM RR ACC RELAY AC (DIAGRAM 4 OF 6) FUSE IGN FUSE INJ FUSE INV RELAY JUNCTION LT BLU WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU NAVIGATION, SUPPLEMENTAL RESTRAINTS SYSTEMS P-J/B FUSE PNK WIRE POWER OUTLET RED WIRE RELAY VIO WIRE VOLTAGE INVERTER ASSEMBLY W/ 5 SEATER, OTTOMAN W/O 5 SEATER, OTTOMAN WHT WIRE WHT/BLK WIRE

1 2 3 5 6 TRG- 24 6 18 19 17 16 15 14 25 DCTY 5 6 15 16 9 CANH CANL CANN CANP SPD 6 22 15 23 5 25 11 17 14 ALTB BDR BDRJ BLK WIRE BLU WIRE BRN WIRE CANN CANP CGBI CGBO CLGI CLGO COMPUTER DATA COMPUTER DATA LINES SYSTEM CPSE CPUB D-ACC FUSE DLE DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE H/FU HNDL HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG STP INDS INDW SWIL PNK WIRE INIT INSTRUMENT CLUSTER SYSTEM J/B 4 (RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LINES SYSTEM LSW LSWE LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) ORG/ WIRE OSCB OSCE PCTY PML PMUL PNK WIRE POLE POWER WINDOWS) PWE PWS RCTY RED WIRE RIGHT FRONT DOOR CONTROL ECU (FRONT PASSENGER'S DOOR) RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT FRONT DOOR OUTSIDE HANDLE (FRONT PASSENGER'S DOOR) RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) SEL SEL CLGB SENS GND PNK WIRE SENS SHIFT INTERLOCK SYSTEM SID- SIDI SIG SLP SLR+ STOP STOP FUSE STOP LIGHT SWITCH (LEFT SIDE OF DASH) SYSTEM TRG+ TRG- CLG TRNL TRNR LCTY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 USB USBG VOT+ USBV VOT- VOR- VOR+ 20 21 18 COMPUTER DATA LINES SYSTEM I/F 4 10 FR+ FR- 7 2 TMUT SPD ANTENNA ANTENNA BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DCM DCM (TELEMATICS TRANSCEIVER) (RIGHT END OF DASH) DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) GRN WIRE GSW HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IGN FUSE INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER MICROPHONE, MICROPHONE AMPLIFIER MIN MPXB MUTE MCO+ MCO- NCA WIRE ORG/ WIRE OVERHEAD MODULE (ROOF CONSOLE) P-ACC FUSE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY RADIO 1 FUSE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 SGND SGND MCVD MCI+ MCI- SIG PNK (+) WIRE SOS SWITCH SPDP SPO+ SPO- PNK WIRE STEREO COMPONENT AMPLIFIER ASSEMBLY (RIGHT REAR OF LUGGAGE COMPT) SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE ANTENNA ASSEMBLY (FRONT OF CENTER CONSOLE) UGND USBV VIO WIRE VOR- VOT+ WHT WIRE WHT/BLK WIRE YEL WIRE