Lexus LS IV (2006-2012) (if 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

ABS MAIN 2 FUSE ABS MTR 2 FUSE BLK WIRE BLU WIRE BRAKE HOLD IND BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 ABS MTR 2 RELAY FLA- FLA+ FL+ FL- PNK WIRE FLR+ FLR- GRN WIRE GRY WIRE HOLD IND HOT AT ALL TIMES HOT IN ON OR START I/F I/F LEFT FRONT SPEED SENSOR LT GRN WIRE MASTER IND MICRO COMPUTER ORG/ WIRE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PNK WIRE POWER SUPPLY PRR- RED WIRE RIGHT REAR SPEED SENSOR RR+ RR- CANH CANL RRA- RRA+ RRR+ RRR- PNK WIRE SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BC ABS IND. ABS MAIN 2 FUSE ABS MAIN 4 FUSE ABS MTR 2 FUSE BLK WIRE BLU WIRE BRAKE CONTROL POWER SUPPLY (RIGHT REAR OF LUGGAGE COMPT) BRAKE IND BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CONTROLLED ELECTRONICALLY ECU-IG FUSE ENA ENGINE ABS ROOM MTR 2 R/B 3 RELAY ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FAIL FLA- FLA+ FL+ FL- PNK WIRE FLR+ FLR- FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INDICATOR SWITCH (RIGHT REAR WHEEL HUB ASSEMBLY) LEFT FRONT SPEED SENSOR LEFT FRONT SPEED SENSOR/ LEFT FRONT PAD WEAR INDICATOR SWITCH LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MASTER IND MICRO COMPUTER ORG/ WIRE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PNK WIRE POWER SUPPLY PRR- RED WIRE RIGHT REAR HEIGHT CONTROL SENSOR/ RIGHT REAR SPEED SENSOR/ RIGHT REAR PAD WEAR RIGHT REAR SPEED SENSOR RR+ RR- CANH CANL RRA- RRA+ SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) SLIP IND STP TS VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 RZG SRZG RZV TRQV 1 2 3 4 5 6 7 8 9 10 11 COMPUTER DATA LINES SYSTEM 1 2 PIG VGND 5 7 1 IG ASST BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM EPS ECU FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START ENGINE ROOM J/B 2 E/G (RIGHT SIDE OF ENGINE FUSE COMPT) HOT IN ON OR START LUGGAGE ROOM J/B (LEFT SIDE FUSE OF LUGGAGE COMPT) IG ASST INCS INSN JUNCTION CONNECTOR LT BLU WIRE MICRO COMPUTER NCA WIRE OUCS OUSN P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PIG PGND +B POWER POWER STEERING CONVERTER ASSEMBLY POWER STEERING ECU ASSEMBLY (RIGHT SIDE OF ENGINE COMPT) POWER STEERING MOTOR (FRONT CENTER OF ENGINE COMPT) PS IND RED WIRE RED/BLK WIRE RED/BLU WIRE RZCS RZG RZSN RZSN RZCS INSN INCS OUSN OUCS RZV STEERING TORQUE SENSOR (FRONT OF ENGINE COMPT) SUPPLY WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE BUZZER CAN CONTROLLER CAN I/F CANN CANP COMBINATION METER COMFORT IND COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ERL ERR FRONT HEIGHT CONTROL VALVE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HEIGHT CONTROL EXHAUST VALVE (RIGHT FRONT OF VEHICLE, BEHIND BUMPER) HEIGHT HIGH IND HOT IN ON OR START LED DRIVER LEFT FRONT HEIGHT CONTROL SENSOR (LEFT FRONT WHEELWELL) LEFT REAR SUSPENSION CONTROL ACTUATOR (LEFT REAR WHEELWELL) LH - LT GRN WIRE MASTER IND ORG/ WIRE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RAL+ RAR+ RBL- RBR- RED WIRE RH- RIGHT FRONT HEIGHT CONTROL SENSOR (RIGHT FRONT WHEELWELL) RIGHT REAR SUSPENSION CONTROL ACTUATOR (RIGHT REAR WHEELWELL) SHB SHFL SHFR SHG SPORT IND VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 LOIL GND 1 5 11 20 10 PNK BATB ALTB MOPS MOLE MOL WIRE 5 1 2 3 4 FMIG 7 8 RR+ RR- 8 9 COMPUTER DATA LINES SYSTEM CANL CANH ABS IND. AFS OFF IND AUTO HOLD IND AUTO IND BACK LIGHT BLK WIRE BLK/ WHT WIRE BLU WIRE BODY EARTH BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR BRAKE IND BRN WIRE BUZZER CAN I/F CHARGE IND CLOCK (RIGHT REAR WHEELWELL) RIGHT REAR HEIGHT CONTROL SENSOR COMBINATION METER COMFORT IND COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CANP CANN CONTROLLER CRUISE IND DIAL IND I/F DOME FUSE DOOR IND DRIVER SIDE J/B (LEFT END OF DASH) DRIVER'S SEAT IND ECB IND (IF EQUIPPED) ECO IND ECO MODE IND ECT PWR IND ECT SNOW IND ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE OIL LEVEL SENSOR (LOWER RIGHT SIDE OF ENGINE) EPS IND EXTERIOR LIGHTS SYSTEM NAVIGATION SYSTEM FR CTRL ALT FUSE FR CTRL BAT FUSE FRONT FOG IND FUEL GAUGE FUEL IND FUSE GAUGE IND GRN WIRE HEAD IND TAIL IND (USA) (EXCEPT USA) HEIGHT HIGH IND HIGH BEAM IND HOLD IND HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END MPX-B 2 FUSE OF DASH) HOT IN ON OR ACC HOT IN ON OR START ILL ILL INDICATOR LAMP MALFUNCTION INJ FUSE J/B 4 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LBL LED DRIVER LEFT TURN IND LKA IND LT BLU WIRE LT GRN WIRE MASTER IND MPX-B OIL PRESSURE SWITCH (LOWER LEFT FRONT OF ENGINE) P-ACC FUSE (RIGHT END OF DASH) P-J/B FUSE PARK IND PASSENGER SIDE J/B PASSENGER SIDE J/B (RIGHT END OF DASH) PCS IND PNK WIRE POINTER IND REAR PAD WEAR INDICATOR SWITCH RED WIRE RESET+ RIGHT TURN IND SHIFT INTERLOCK SYSTEM SIGNAL EARTH SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SLIP IND SLIP OFF IND SPEEDOMETER SPORT IND SRS IND TACHOMETER TEMPERATURE GAUGE TFT CPU TFT MODULE TFT PANEL TIRE PRESSURE IND TRIP TRIP SWITCH TX-1 TX+1 UART I/F VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IG 14 13 PNK WIRE 4 2 1 5 3 CV+ CGND CB+ CV- LS 5 2 3 4 IGB SGND BLK WIRE BLU WIRE BRN WIRE CANN CANP CB+ CCHG CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CGND CANH COMPUTER DATA LINES SYSTEM COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CV+ CV- CANL D MPX-B 2 FUSE DRIVER MONITOR CAMERA (LEFT SIDE OF DASH) DRIVER MONITOR ECU ASSEMBLY (LEFT END OF DASH) DRIVER SIDE J/B (LEFT END OF DASH) DRIVING SUPPORT ECU ASSEMBLY (LEFT KICK PANEL) ENGINE ROOM J/B 2 FCAS FUSE GND SGND CCS GRN WIRE HOT AT ALL TIMES HOT IN ON OR START IGB LS CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) LT GRN WIRE MASTER MICRO COMPUTER MILLIMETER WAVE RADAR SENSOR ASSEMBLY (CENTER OF FRONT GRILLE) MPX+B IND NCA WIRE ORG/ WIRE P J/B (RIGHT SIDE OF FUSE ENGINE COMPT) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY RED WIRE STP+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 16 +BS PNK WIRE 1 3 5 BI SI EI 1 5 3 2 4 6 BI EI SI BO SO EO 15 16 CANH CANL 34 27 18 NE- NE+ VC 5 3 1 2 4 6 EI SI BI BO SO EO 6 4 2 1 3 5 EO SO BO BI SI EI 6 4 2 1 3 5 PNK EO SO BO BI SI EI WIRE BLK WIRE BLU WIRE BRN WIRE CB+ CB+ CV+ CGND COMBINATION METER COMPUTER DATA LINES SYSTEM CV+ D MPX-B 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 GRN WIRE HOT AT ALL TIMES HOT IN ON OR START HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) LEFT FRONT CENTER ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LEFT FRONT ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LEFT REAR CENTER ULTRASONIC SENSOR 1 (LEFT SIDE OF REAR BUMPER FASCIA) LEFT REAR ULTRASONIC SENSOR 1 (LEFT SIDE OF REAR BUMPER FASCIA) MASTER MICRO COMPUTER MPX+B IND NCA WIRE NE- NE VC ORG/ WIRE P J/B (RIGHT SIDE OF FUSE ENGINE COMPT) PARK/NEUTRAL RB POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PARKING ASSIST ECU (RIGHT END OF DASH) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE RIGHT FRONT CENTER ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT BUMPER FASCIA) RIGHT FRONT ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT BUMPER FASCIA) RIGHT REAR CENTER ULTRASONIC SENSOR 1 RIGHT REAR ULTRASONIC SENSOR 1 (RIGHT SIDE OF REAR BUMPER FASCIA) SUPPLY POWER TELEVISION CAMERA ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 CBZ EE 1 3 5 BI SI EI 11 1 12 2 3 IG CLEARANCE SONAR SWITCH CANP CANN 14 13 CANH CANL 18 14 ES 3 5 1 2 4 6 SI EI BI BO SO EO 5 3 1 2 4 6 EI SI BI BO SO EO 6 4 2 1 3 5 EO SO BO BI SI EI 6 4 2 1 3 5 PNK EO SO BO BI SI EI WIRE BLK WIRE BLU WIRE BOF BOR BRN WIRE BUZZER CAN CONTROLLER CAN I/F CANN CANP CANL CANH CLEARANCE SONAR ECU (RIGHT END OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) E/G ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FRONT CLEARANCE WARNING BUZZER (CENTER OF DASH) FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 4 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LED DRIVER LEFT FRONT CENTER ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LEFT FRONT SIDE ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LEFT FRONT ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LEFT REAR CENTER ULTRASONIC SENSOR 1 (LEFT SIDE OF REAR BUMPER FASCIA) LEFT REAR ULTRASONIC SENSOR 1 (LEFT SIDE OF REAR BUMPER FASCIA) MASTER IND MPX-B 1 FUSE ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY P-J/B FUSE PARK/ RB NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSM- ISSION) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE REAR CLEARANCE WARNING BUZZER (UNDER REAR PARCEL SHELF) RED WIRE RIGHT FRONT CENTER ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT BUMPER FASCIA) RIGHT FRONT SIDE ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT BUMPER FASCIA) RIGHT FRONT ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT BUMPER FASCIA) RIGHT REAR CENTER ULTRASONIC SENSOR 1 (RIGHT SIDE OF REAR BUMPER FASCIA) RIGHT REAR ULTRASONIC SENSOR 1 (RIGHT SIDE OF REAR BUMPER FASCIA) SOF BBZ EF SOR VIO WIRE WHT WIRE WHT/BLK WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BUZZER CAN (+) CAN CONTROLLER CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) EFI EKNK ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START ENGINE EFI ROOM FUSE J/B 1 (RIGHT REAR OF ENGINE COMPT) J/B 3 (RIGHT SIDE OF DASH) (LEFT FRONT OF ENGINE) KNOCK SENSOR (BANK 1 SENSOR 1) (LEFT SIDE OF ENGINE) KNOCK SENSOR (BANK 2 SENSOR 1) (RIGHT SIDE OF ENGINE) LED DRIVER LT GRN WIRE MALFUNCTION IND LAMP MASTER IND MPX-B-2 FUSE NCA WIRE PNK WIRE RED WIRE SPEEDO- METER STARTING/ CHARGING SYSTEM STOP FUSE FUSE TACHO- METER TEMPER- ATURE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL/BLK WIRE