Lexus LS IV (2006-2012) (left side of dash) Wiring diagrams

ABS MAIN 3 FUSE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CENTER J/B 4 (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) FLA- FLR FRA FRR+ FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START LT GRN WIRE ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PFR PNK WIRE PRL PRR- RED WIRE RLA- RLR+ RRA+ RRR + VCM VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

5 4 3 2 1 VCSK SKG SKS ABS MAIN 3 FUSE ABS MTR 1 FUSE ABS MTR RELAY ABS- MAIN 1 FUSE BLK WIRE BLU WIRE BRAKE BOOSTER PUMP ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER GND CYLINDER RESERVOIR) BRAKE PEDAL STROKE SENSOR ASSEMBLY BRAKE STROKE SIMULATOR (LEFT REAR OF ENGINE COMPT) BRN WIRE BUZZER BZ SS RLA- RLA+ FRA- FRA+ FR+ FR- DRIVER SIDE J/B (LEFT END OF DASH) ENA COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) FRR+ FRR- FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (LEFT END OF DASH) LBL LBL PFR LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LEFT REAR SPEED SENSOR LT GRN WIRE MTT ORG/ WIRE PNK CTY WIRE PNK RLR+ RLR- WIRE PNK WIRE PRL VBZ RED WIRE RIGHT FRONT SPEED SENSOR RL- RL+ SHORT CONNECTOR SKG SKID CONTROL BUZZER ASSEMBLY (LEFT END OF DASH) SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VCM VCSK VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

+BI +BO BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CENTER J/B 4 (RIGHT SIDE OF DASH) CENTER J/B 5 (LEFT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B FLA- FLR FRA FRR+ FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START LT GRN WIRE MPX MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PFR PMPX-B FUSE PNK WIRE PRL PRR- RED WIRE RLA- RLR+ RRA+ RRR + SLIP OFF SWITCH STOP FUSE (LEFT END OF DASH) STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) VCM VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

2 3 CANH CANL 27 28 CANP CANN 5 14 CANP CANN 5 6 CANP CANN 9 10 CANN CANP BLK WIRE CANN CANP CERTIFICATION ECU (LEFT END OF DASH) COMBINATION METER GRN WIRE MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) OUTER MIRROR SWITCH ASSEMBLY PNK WIRE RED WIRE RIGHT FRONT DOOR CONTROL ECU (FRONT PASSENGER'S DOOR) SPIRAL CABLE (IN STEERING COLUMN) VIO WIRE WHT WIRE WINDSHIELD WIPER SWITCH

AFS ECU (RIGHT KICK PANEL) AIR SUS FUSE AIR SUS RELAY AIR SUSPENSION CONTROL ECU (RIGHT END OF DASH) BCUT BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONSOLE SWITCH CUTD EFL EFR ELECTRIC POWER CONTROL ECU FAL+ FAL+ FAL- FBL+ FBL- RM+ RM- FAR- FBL- FBR+ FBR- FBR- GND SLEX RC CANH CANL GRN WIRE GRY WIRE HEIGHT HIGH, SUSPENSION CONTROL SWITCH HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B 1 P-J/B ALT FUSE (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR START LEFT FRONT SUSPENSION CONTROL ACTUATOR (LEFT SIDE OF ENGINE COMPT) LH - LT GRN WIRE MPX ORG/ WIRE P-D/C CUT FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE REAR HEIGHT CONTROL SOLENOID VALVE (UNDER RIGHT RED WIRE RH- RIGHT FRONT SUSPENSION CONTROL ACTUATOR (RIGHT SIDE OF ENGINE COMPT) SBR SGR SHFL SHFR SHRL SLFR SLFL SLRL SLRR VIO WIRE WHT WIRE WHT/BLK WIRE YEL 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

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

AGND ANTENNA COIL ASEL RDA RSSI AGND BLK WIRE BLU WIRE BZRG CERTIFICATION ECU (LEFT END OF DASH) CODE COMPUTER DATA LINES SYSTEM CUTB DRIVER SIDE J/B (LEFT END GRN WIRE HOT AT ALL TIMES INDS INDW J/B 4 (RIGHT SIDE OF DASH) LT GRN WIRE OF DASH) ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK PNK WIRE PNK WIRE POWER SWITCH RED WIRE SECURITY FUSE SWIL TXCT TXCT CODE LIN VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER CONTROLLER (LEFT SIDE OF DASH) YEL WIRE

12 13 CANH CANL 13 22 CANH CANL 15 14 CANH CANL 21 20 CANL CANH 3 4 CANH CANL 6 5 CANL CANH A/C AMPLIFIER (CENTER OF DASH) AFS ECU (RIGHT KICK PANEL) AIR PBEW DR ARON BLK WIRE BLK/WHT WIRE BLU WIRE CANL CANH CENTER AIR BAG ECU (UNDER CENTER FLOOR CONSOLE) COMBINATION METER CONSOLE SWITCH DLC 3 (LEFT SIDE OF DASH) DRIVER SIDE J/B (LEFT END OF DASH) ELECTRIC POWER CONTROL ECU ENGINE CONTROL MODULE FRONT PASSENGER'S SEAT BELT WARNING LIGHT FRONT PASSENGER'S SEAT RECLINING CONTROL SWITCH FRONT PASSENGER'S SEAT RECLINING CONTROL SWITCH (W/ 5-SEATER) FRONT PASSENGER'S SEAT SLIDE CONTROL SWITCH FRONT WIPER DEICER SWITCH FUSE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HILL HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INTEGRATION CONTROL, PANEL ASSEMBLY J/B 3 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) P-ACC FUSE PASSENGER AIR BAG ON/OFF INDICATOR PASSENGER SIDE J/B (RIGHT END OF DASH) PNK TC WIRE PNK WIRE RADIO 1 FUSE RADIO RECEIVER ASSEMBLY REAR DOOR SUNSHADE SWITCH REAR SEAT CLIMATE CONTROL SWITCH IND REAR SEAT REAR SUNSHADE SWITCH HEATER SWITCH REAR SUNSHADE SWITCH REAR WINDOW DEFOGGER SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) SKID CONTROL ECU SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM WARNING SYSTEMS INTERIOR LIGHTS SYSTEM VIO WIRE W/O MULTI DISPLAY WHT/BLK WIRE YEL WIRE

12 13 CANH CANL 13 22 CANH CANL 15 14 CANH CANL 21 20 CANL CANH 3 4 CANH CANL 6 5 CANL CANH 9 10 TX+ TX- A/C AMPLIFIER (CENTER OF DASH) AFS ECU (RIGHT KICK PANEL) AIR PBEW DR ARON BLK WIRE BLK/WHT WIRE BLU WIRE CANL CANH CENTER AIR BAG ECU (UNDER CENTER FLOOR CONSOLE) COMBINATION METER CONSOLE SWITCH DLC 3 (LEFT SIDE OF DASH) DRIVER SIDE J/B (LEFT END OF DASH) ELECTRIC POWER CONTROL ECU ENGINE CONTROL MODULE FRONT PASSENGER'S SEAT BELT WARNING LIGHT FRONT WIPER DEICER SWITCH FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HILL HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INTEGRATION CONTROL, PANEL ASSEMBLY J/B 3 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) P-ACC FUSE PASSENGER AIR BAG ON/OFF INDICATOR PASSENGER SIDE J/B (RIGHT END OF DASH) PNK TC WIRE PNK WIRE RADIO 1 FUSE RADIO RECEIVER ASSEMBLY REAR DOOR SUNSHADE SWITCH REAR SEAT CLIMATE CONTROL SWITCH REAR SEAT CLIMATE CONTROL SWITCH IND REAR SEAT HEATER SWITCH REAR SEAT CLIMATE CONTROL SWITCH REAR SEAT RETURN SWITCH REAR SUNSHADE SWITCH REAR WINDOW DEFOGGER SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) SKID CONTROL ECU SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM WARNING SYSTEMS INTERIOR LIGHTS SYSTEM VIO WIRE W/O MULTI DISPLAY WHT/BLK WIRE