Lexus LS IV (2006-2012) center junction block j/b 5 (left side of dash) 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

18 20 RILL BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BLU WIRE CENTER CONSOLE SPOT LIGHT IND CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) D MPX-B 1 FUSE DOME DOME FUSE DOOR DOOR IND DRIVER SIDE J/B DRIVER SIDE J/B (LEFT END OF DASH) GRN WIRE GRY WIRE HOT AT ALL TIMES ILLB INTERIOR INTERIOR LIGHT) LEFT LEFT FRONT MAP LIGHT SWITCH LEFT FRONT VANITY LIGHT LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 LEFT MAP LIGHT LEFT REAR VANITY LIGHT ASSEMBLY LEFT VISOR ASSEMBLY LIGHT SW LIN OFF OVERHEAD MODULE (ROOF CONSOLE) PNK WIRE REAR REAR FOOTWELL RED WIRE RIGHT RIGHT FRONT MAP LIGHT SWITCH RIGHT FRONT VANITY LIGHT RIGHT MAP LIGHT RIGHT REAR VANITY LIGHT ASSEMBLY RIGHT VISOR ASSEMBLY RLMP RLSW PNK RRSW WIRE RLVS RLVT ROOF CONSOLE BOX ASSEMBLY RRMP RRVS RRVT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BAT DLC 3 (LEFT SIDE OF DASH) 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) CG SG CANH SIL DCM (TELEMATICS TRANSCEIVER) (RIGHT END OF DASH) DIA DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRN WIRE HIGH/LOW BUS CIRCUIT HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) LUGGAGE ROOM J/B OBD FUSE (LEFT SIDE OF LUGGAGE COMPT) OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) OPA TS TC CANL ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE SIL SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) STEERING CONTROL ECU (RIGHT SIDE OF DASH) SUSPENSION CONTROL ECU (RIGHT END OF DASH) TAC TACH VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 3 5 6 TSL TSR CLTE CLTS CLTB 6 5 8 CANN CANP PNK WIRE AIR CONDITIONING SYSTEM AUTO AUTOMATIC LIGHT CONTROL SENSOR (CENTER OF DASH) BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK CENTER JUNCTION BLOCK J/B 4 CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CLTB CLTE CLTS DCTY DRIVER SIDE J/B (LEFT END OF DASH) FLSW FRLY FUSE GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEAD HEAD AUTO HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (RIGHT END OF DASH) P-D/C CUT FUSE HOT IN ON OR ACC D ACC FUSE HZCT HZSW ILLUM J/B 3 (RIGHT SIDE OF DASH) LCTY LEFT LIGHT CONTROL SWITCH LJB LT BLU WIRE LT GRN WIRE MAIN BODY ECU OFF TAIL ORG/ WIRE PASSENGER SIDE J/B PCTY PNK WIRE RCTY RED WIRE RELAY ENERGIZED RIGHT RIGHT END OF DASH) TAIL TO DRIVER SIDE J/B (DIAGRAM 3 OF 3) TRNL TRNR TURN SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY 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

1 2 HORL HORH 1 5 PNK BATB ALTB WIRE BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) E/G RM- FMIG CANP CANN FR CTRL ALT FUSE FR CTRL BAT FUSE FUSE HIGH PITCHED HORN ASSEMBLY (LEFT FRONT OF ENGINE COMPT) HORN SWITCH HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM ECU-B FUSE J/B 2 (RIGHT SIDE OF ENGINE COMPT) HOT AT ALL TIMES P-D/C CUT FUSE HOT IN ON OR START LOW PITCHED HORN ASSEMBLY (RIGHT FRONT OF ENGINE COMPT) LT GRN WIRE MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE STEERING PAD SWITCH ASSEMBLY STEERING PAD SWITCH ASSEMBLY W/ MODULATOR STEERING SWITCH ECU WHT WIRE WHT/BLK WIRE YEL WIRE

1 10 RMVR RM+R 6 11 3 16 9 10 1 BDR CPUB SIG 6 5 13 14 VSSR RVC HSSR AUTO RETRACTOR SWITCH OUTER MIRROR SWITCH BDR CPUB SIG BCUT CANP CANN GND BLK WIRE BLU WIRE BRN WIRE CANN CANP CANP CANN GND CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DOOR 1 FUSE DOOR 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (RIGHT END OF DASH) HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) LEFT FRONT MULTIPLEX NETWORK DOOR ECU (DRIVER'S DOOR) LEFT FRONT POWER SEAT CONTROL ECU, SWITCH (UNDER DRIVER'S SEAT) LEFT FRONT SEAT MEMORY SWITCH LEFT OUTER REAR VIEW MIRROR (AT MIRROR) LEFT/RIGHT LT GRN WIRE MAIN BODY ECU ALTB MIRROR POSITION SENSOR MPX-B FUSE MSW MSWE ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY P-D/C CUT FUSE PARK/ NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PNK ILL+ WIRE PNK WIRE RED WIRE RED/WHT WIRE RELAY RELAY MPX B 1 FUSE RETRACTABLE MIRROR MOTOR RIGHT FRONT MULTIPLEX NETWORK DOOR ECU (FRONT PASSENGER'S DOOR) RIGHT OUTER REAR VIEW MIRROR (AT MIRROR) RMHR SET- SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) UP/DOWN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TIM- +B 1 2 3 4 5 6 TIM+ TIM- 27 1 26 SGND 29 24 23 MSWE MSW+ MSW- 9 10 1 CANP CANN GND ANT ASEL BCUT BDR BLK WIRE BLU WIRE CANL CANH CANP CANN CANP CANP VCI TIS IG ECUB TIM+ GND CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CERTIFICATION ECU ASSEMBLY (LEFT END OF DASH) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT CPBJ D MPX-B 1 FUSE DATA DCTY DOOR 1 FUSE DOOR CONTROL RECEIVER (RIGHT REAR OF LUGGAGE COMPT) DOOR LOCK SWITCH DRIVER SIDE J/B (LEFT END OF DASH) ELECTRICAL KEY ANTENNA (RIGHT "C" PILLAR) FUSE GND VCI TIS GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT FRONT SEAT MEMORY SWITCH LOCK LT GRN WIRE MAIN BODY ECU MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) NCA WIRE ORG/ WIRE OUTSIDE LUGGAGE ELECTRICAL KEY ANTENNA (RIGHT SIDE OF REAR BUMPER) PNK ILL+ WIRE PNK WIRE POWER TILT MOTOR (ON STEERING COLUMN) RCO RED WIRE RELAY RSSI SET- SYSTEM TELESCOPIC MOTOR TELESCOPIC SENSOR TEM TI, TE FUSE TILT MOTOR TILT SENSOR UNLOCK VCE TES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DOWN GRN WIRE GRN/RED WIRE GRN/WHT WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) IG CANP CANN PNK WIRE LEFT FRONT POWER SEAT CONTROL ECU, SWITCH (UNDER DRIVER'S SEAT) MSW P-D/C CUT FUSE PARK/ NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PASSENGER SIDE J/B (RIGHT END OF DASH) RED WIRE SHRINK SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) STRETCH TILT, TELESCOPIC SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 +BO 1 2 3 4 5 6 7 8 BMV BMU BMW 1 2 3 7 8 9 10 IG ESS BAT BLK WIRE BLU WIRE BRN WIRE CAN I/F CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B ENGINE ROOM J/B 2 FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START PASSENGER SIDE J/B (RIGHT END OF DASH) LT GRN WIRE MASTER IND MICRO COMPUTER NCA WIRE P MPX B FUSE P-J/B FUSE (RIGHT SIDE OF ENGINE COMPT) PGND PIG CAN- +BI PNK IG CAN+ COMPUTER DATA LINES SYSTEM WIRE PNK WIRE POWER RED WIRE RV SIL STEERING ACTUATOR ASSEMBLY (LEFT FRONT OF ENGINE COMPARTMENT) STEERING CONTROL ECU STEERING SENSOR (IN STEERING COLUMN) SUPPLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE