Lexus LS IV (2006-2012) mpxb Wiring diagrams

20 21 COMPUTER DATA LINES SYSTEM 30 24 23 SHRL 7 1 2 8 6 5 HEAD AIR SUSPENSION CONTROL ECU (RIGHT END OF DASH) ASF OFF IND BLK WIRE BLU WIRE BRN WIRE CANN CANP PNK WIRE CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM D MPX-B 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) E/G ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FMIG HEAD FUSE GRN WIRE GRY WIRE HEAD AUTO HEAD LIGHT SWIVEL MAIN SWITCH HEADLAMP LEVELING MOTOR HEADLAMP SWIVEL MOTOR HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT SWIVEL ECU ASSEMBLY (RIGHT KICK PANEL) HOT AT ALL TIMES HOT IN ON OR START LED DRIVER HEADLAMP MODULE SWIVEL MOTOR LED DRIVER MODULE LEFT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY (INSIDE LEFT FRONT WHEELWELL) LEFT HEADLIGHT ASSEMBLY LEFT REAR HEIGHT CONTROL SENSOR LH E LH- RH- SML LH+ LHM+ LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MASTER IND MOCRO COMPUTER MPXB MSW MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) OFF TAIL ORG/ WIRE P-D/C (RIGHT END CUT OF DASH) FUSE P-J/B FUSE PASSENGER SIDE J/B PASSENGER SIDE J/B (RIGHT END OF DASH) PNK INL INR WIRE PNK WIRE POWER SUPPLY RED WIRE RH E RHM + RIGHT HEADLIGHT ASSEMBLY SGR SHB SHFL SHFL SBR SHRL SHG SHRL SMBL SMBR SMGL SMGL SMGR SMGR SML SMR SMR RH+ CANH CANL IGS IG PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 16 +BS PNK WIRE 16 15 CANL CANH BACKUP LIGHT BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) LEFT REAR LIGHT ASSEMBLY LGLB LIGHT BACKUP LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPXB PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PNK WIRE REAR JUNCTION BLOCK ECU IG CANN CANP RED WIRE RELAY ENERGIZED RIGHT REAR LIGHT ASSEMBLY RR MPX B 1 FUSE RR MPX-B 2 FUSE WHT WIRE YEL WIRE

6 11 3 9 10 1 BDR CPUB SIG CANP CANN GND 7 6 8 CTY +B BLK WIRE BLK/WHT WIRE BLU WIRE CANN CANP CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CTYB CYL DBIL FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START PASSENGER SIDE J/B (RIGHT END IG CANL CANH GND BDCY LCTY LED LEFT FRONT SEAT INNER BELT SWITCH (UNDER DRIVER'S SEAT) LGCY LGLB LGLP LIN LT GRN WIRE LUGGAGE COMPARTMENT DOOR LIGHT ASSEMBLY 1 6 1 7 LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 LUGGAGE DOOR CLOSER ASSEMBLY LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPXB OF DASH) FUSE P-D/C CUT FUSE PBIL PNK WIRE POWER TRUNK LID CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) PTL FUSE REAR FOOTWELL REAR JUNCTION BLOCK ECU FUSE RED WIRE RIGHT FRONT SEAT INNER BELT SWITCH RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 RIGHT REAR DOOR COURTESY LIGHT ASSEMBLY RIGHT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY RIGHT REAR MULTIPLEX NETWORK DOOR ECU (RIGHT REAR DOOR) RR MPX B 1 FUSE RR MPX-B 2 FUSE RSPL RSPR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 IG LR LL 16 15 24 23 SIDR CRAR SIDL CRAL BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CANN CANP CANP CANN FMIG CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM D MPX-B 1 FUSE DIODE (TURN SIGNAL) (LEFT END OF DASH) DRIVER SIDE J/B (LEFT END OF DASH) E/G ECU-B FUSE ENERGIZED ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FR CTRL ALT FR CTRL BAT FUSE GRN WIRE GRY WIRE HAZ FUSE HAZ TURN SIGNAL FLASHER ASSEMBLY (LEFT SIDE OF DASH) HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) STOP FUSE I/F POWER SUPPLY J/C LEFT OUTER REAR VIEW MIRROR (AT MIRROR) LEFT TURN IND LIGHT HEADLIGHT ASSEMBLY LT BLU WIRE LT GRN WIRE MARKER MASTER IND MICRO COMPUTER MPXB MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) P-J/B FUSE PARKING PNK BATB ALTB WIRE PNK EL ER WIRE PNK WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT OUTER REAR VIEW MIRROR (AT MIRROR) RIGHT TURN IND STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) TAIL IND (CANADA) TRN+ TRNI TURN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BACKUP BACKUP LAMPS CIRCUIT BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER STOP LIGHT ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT KICK PANEL) FUSE GRN WIRE HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LGLB LICENSE PLATE LIGHT ASSEMBLY LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MARKER MPXB ORG/ WIRE RADIO SETTING CONDENSER (LEFT "C" PILLAR) REAR JUNCTION BLOCK ECU RED WIRE RELAY ENERGIZED RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY RR MPX B 1 FUSE RR MPX-B 2 FUSE SHIFT LOCK CONTROL ECU (IN CENTER CONSOLE) SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) STOP STOP LP 1 FUSE STOP LP 2 FUSE T/P TAIL FUSE TAIL/STOP TURN VIO WIRE WHT/BLK WIRE YEL WIRE

12 17 1 MJ 15 16 CANN CANP 2 8 1 7 5 6 IG 6 5 3 CLTB CLTS CLTE 7 1 4 +B 7 21 18 19 20 RCTY PCTY CLTE CLTS CLTB AUTOMATIC HIGH BEAM SENSOR LIN AUTOMATIC LIGHT CONTROL SENSOR (CENTER OF DASH) BLK WIRE BLU WIRE BRN WIRE CAN I/F CAN I/F CANL CANH CANN CANP CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM COURTESY SWITCH D MPX-B 2 FUSE DCTY DIMMER SWITCH DRIVER SIDE J/B (LEFT END OF DASH) ENGINE ROOM FOG SWITCH HEADLIGHT DIMMER SWITCH FRONT FOG IND FUSE GRN WIRE GRY WIRE HEAD AUTO HEAD CANP CANN PNK WIRE HEAD IND (USA) HIGH HIGH MASTER BEAM BEAM IND IND AUTO IND HIGH LOW FLASH HOT AT ALL TIMES HOT IN ON OR START HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) IG 5 17 INNER REAR VIEW MIRROR ASSEMBLY (W/ AUTOMATIC HIGH BEAM SYSTEM) J/C LCTY LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LIGHT CONTROL SWITCH LOW FLASH LT BLU WIRE LUGGAGE ROOM J/B MAIN BODY ECU (LEFT END OF DASH) MICRO COMPUTER MPX+B MPX+B MPXB OFF TAIL ORG/ WIRE OVERHEAD MODULE (ROOF CONSOLE) P-D/C CUT FUSE P-J/B J/B 2 (RIGHT SIDE OF ENGINE COMPT) FUSE PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY RED WIRE RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) RR ECU-B FUSE VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

13 14 CANL CANH 18 34 27 VC NE- NE+ PNK WIRE 4 6 5 PNK WIRE BDCY BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR CUTD D-ACC FUSE DCM (TELEMATICS TRANSCEIVER) (RIGHT END OF DASH) DCTY DISP DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) ELECTRIC POWER CONTROL ECU BCUT ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FRONT PAD WEAR INDICATOR SWITCH FUEL INJECTOR (DIRECT INJECTION 1) (LEFT SIDE OF INTAKE MANIFOLD) FUEL INJECTOR (PORT INJECTION 1) (LEFT SIDE OF INTAKE MANIFOLD) FUEL SENDER GAUGE (LEFT SIDE OF FUEL TANK) FUEL SENDER GAUGE (SUB) (RIGHT SIDE OF FUEL TANK) FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INJECTOR DRIVER (BANK 1) (CENTER REAR OF ENGINE COMPT) J/B 3 (RIGHT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LCTY LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LEFT REAR HEIGHT CONTROL SENSOR (RIGHT REAR WHEELWELL) LGLB LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU MPXB NCA WIRE NE NE- VC PNK WIRE P-D/C CUT FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PCTY PIND PNK WIRE RCTY REAR JUNCTION BLOCK ECU REAR PAD WEAR INDICATOR SWITCH REAR SEAT ENTERTAINMENT TABLE SWITCH RED WIRE RESET+ RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) RL+ RL- 7 8 RR MPX B 1 FUSE RR MPX-B 2 FUSE SPDP STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEERING SWITCH ECU STEREO COMPONENT AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) TOP OF ENGINE) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ MULTI DISPLAY WHT WIRE WHT/BLK WIRE YEL WIRE

B/ANC FUSE BANC BES BLK WIRE BLU WIRE CANN CANP CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE COMPUTER DATA LINES SYSTEM D-ACC FUSE DBM+ DCTY DRIVER SIDE J/B (LEFT END OF DASH) FUSE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT HEIGHT ADJUSTABLE ANCHOR MOTOR (LEFT "B" PILLAR) LGLB LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU MPXB OF DASH) PBES PBM+ PSSE PVC REAR J/B ECU RED WIRE RIGHT HEIGHT ADJUSTABLE ANCHOR MOTOR (RIGHT "B" PILLAR) RR MPX B 1 FUSE RR MPX-B 2 FUSE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ABS AIR CONDITIONING, SEATS, INTERIOR LIGHTS, POWER WINDOWS SYSTEMS AMP FUSE ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CRUISE CONTROL, ANTI-LOCK BRAKES, ELECTRONIC POWER STEERING SYSTEMS DC- DOOR 1 FUSE DOOR 2 FUSE EFI EFI MAIN FUSE EFI MAIN RELAY ENGINE CONTROLS SYSTEM FROM FUSIBLE LINK BLOCK ASSEMBLY 1 (DIAGRAM 1 OF 6) FUSE GRY WIRE IGCT RELAY LGLB MAIN BODY ECU MPX-B FUSE MPXB NAVIGATION, SOUND SYSTEMS ORG/ WIRE P RR DOOR FUSE P-D/C CUT FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) POWER SWITCH PTC HTR 1 RELAY PTC HTR 1 FUSE PTC HTR 3 FUSE PTC HTR 3 RELAY RADIO 1 FUSE REAR JUNCTION BLOCK ECU RED WIRE RELAY RR MPX B 1 FUSE RR MPX-B 2 FUSE SEATS SYSTEM SEATS, NAVIGATION, INTERIOR LIGHTS, AIR CONDITIONING, DOOR LOCKS SYSTEMS SOUND SOUND SYSTEMS SYSTEMS TO ENGINE ROOM J/B 2 (DIAGRAM 5 OF 6) 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