Lexus LS IV (2006-2012) red Wiring diagrams

1 3 6 11 9 10 GND SIG BDR CPUB CANP CANN 1 4 3 CLM+ CLM- DLSE 1 5 CLM+ CLM- 15 7 9 8 19 18 6 5 PNK CPSE POLE FULL STOP HNDL INIT WIRE 15 7 9 8 24 16 4 3 PNK CPSE POLE FULL STOP HNDL INIT WIRE BLK WIRE BLU WIRE CANP CANN COMPUTER DATA LINES SYSTEM D/C CUT FUSE DOOR 1 FUSE DOOR 2 FUSE FORMER POSITION SWITCH FORMER POSITION SWITCH DLSE FULL LATCH SWITCH POLE FUSE GND SIG BDR CPUB GRN WIRE GRY WIRE H/FU HANDLE SWITCH HANDLE SWITCH STOP TEMPORARY STOP SWITCH N/FU HOT AT ALL TIMES HOT IN ON OR START MPX-B FUSE ORG/ WIRE P RR DOOR FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK CPSE WIRE POLE SWITCH POLE SWITCH 6 8 POLE CPSE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT DOOR W/ MOTOR LOCK ASSEMBLY (FRONT PASSENGER'S DOOR) RIGHT FRONT MULTIPLEX NETWORK DOOR ECU (FRONT PASSENGER'S DOOR) RIGHT REAR DOOR RIGHT REAR DOOR LOCK ASSEMBLY (RIGHT REAR DOOR) RIGHT REAR MULTIPLEX NETWORK DOOR ECU STOP SECONDARY/ FULL LATCH SWITCH TEMPORARY STOP SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 11 3 6 9 10 GND CPUB SIG BDR CANP CANN 1 4 3 CLM+ CLM- DLSE 1 5 CLM+ CLM- 15 7 9 8 19 18 6 5 PNK CPSE POLE FULL STOP HNDL INIT WIRE 15 7 9 8 24 16 4 3 PNK CPSE POLE FULL STOP HNDL INIT WIRE BLK WIRE BLU WIRE CANP CANN CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM D RR DOOR FUSE DOOR 1 FUSE DOOR 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) FORMER POSITION SWITCH FORMER POSITION SWITCH DLSE FUSE GND BCUT SIG BDR CPUB GRN WIRE GRY WIRE H/FU HANDLE SWITCH HANDLE SWITCH STOP TEMPORARY STOP SWITCH H/FU SECONDARY/ FULL LATCH SWITCH POLE HOT AT ALL TIMES LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY (DRIVER'S DOOR) LEFT FRONT MULTIPLEX NETWORK DOOR ECU (DRIVER'S DOOR) LEFT REAR DOOR LOCK ASSEMBLY (LEFT REAR DOOR) LEFT REAR MULTIPLEX NETWORK DOOR ECU LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX-B 1 FUSE ORG/ WIRE PNK WIRE POLE SWITCH 6 8 POLE CPSE POLE SWITCH PNK CPSE WIRE RED WIRE RELAY ENERGIZED RR MPX-B 2 FUSE STOP SECONDARY/ FULL LATCH SWITCH TEMPORARY STOP SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

15 16 6 5 CANN CANP CANL CANH 2 3 4 5 6 +5 DATA ASEL RSSI GND 2 7 OPN CTY CLS +B FSW M+ M- 28 20 CANN CANP 4 17 PGND SG ASEL BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 3 CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CERTIFICATION ECU ASSEMBLY (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM D-ACC FUSE DATA LINES COMPUTER DOOR CONTROL RECEIVER (RIGHT REAR OF LUGGAGE COMPT) DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START LCTY LGLB LOPN LPSW PAWL LT BLU WIRE LUGGAGE COMPARTMENT DOOR LOCK CYLINDER (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE COMPARTMENT DOOR OPENING CANCEL SWITCH ASSEMBLY LUGGAGE DOOR CLOSER ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH (CENTER REAR OF LUGGAGE COMPARTMENT LID) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU MPXB PASSENGER SIDE J/B (RIGHT END OF DASH) POWER TRUNK LID CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) POWER TRUNK LID CONTROL SWITCH PTL FUSE REAR JUNCTION BLOCK ECU RED WIRE RED/BLK WIRE RR MPX B 1 FUSE RR MPX-B 2 FUSE RSSI SECURITY FUSE SYSTEM TKUL TMSW TSW VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

11 12 13 14 FSR+ FSR- BSW BGND 13 22 CANH CANL 22 16 FSR- FSR+ AIR BAG ECU ASSEMBLY (UNDER CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CAN I/F CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DISPLAY, NAVIGATION MODULE DISPLAY DRIVER'S SEAT BELT IND FRONT PASSENGER'S SEAT BELT WARNING LIGHT FUSE GRN WIRE HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) D MPX-B 1 FUSE HOT IN ON OR START LEFT FRONT SEAT INNER BELT SWITCH (UNDER DRIVER'S SEAT) LT BLU WIRE MICRO COMPUTER OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PBEW PNK WIRE POWER SUPPLY RED WIRE RIGHT FRONT SEAT INNER BELT ASSEMBLY SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 IG 22 23 CANP CANN BLK WIRE BLU WIRE BRN WIRE CANN CANP GND INSW RDA CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM FUSE HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END OF DASH) D MPX-B 2 FUSE HOT IN ON OR START MASTER IND MICRO COMPUTER P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY RED WIRE TIRE PRESSURE IND TIRE PRESSURE WARNING ANTENNA, RECEIVER (CENTER REAR OF ROOF) TIRE PRESSURE WARNING ECU (RIGHT END OF DASH) TIRE PRESSURE WARNING RESET SWITCH VIO WIRE WHT WIRE YEL WIRE

+B BATT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM CONSOLE SWITCH E/G ECU-IG FUSE EFI FUSE EFI MAIN 2 RELAY EFI MAIN FUSE EFI MAIN RELAY EFI- MAIN 2 FUSE ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) ETCS FUSE FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 4 (RIGHT SIDE OF DASH) MPX PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE STARTING/ CHARGING SYSTEM STP STA TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

AUTOMATIC TRANSMISSION (LEFT SIDE OF TRANSMISSION) BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT IN ON OR START NTB NTO OIL ORG/ WIRE P-J/B FUSE PNK WIRE RED WIRE SLT- SLU+ STARTING/ CHARGING SYSTEM WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CAN CONTROLLER CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM CUTD D MPX-B 2 FUSE DRIVER SIDE J/B (LEFT END OF DASH) ECT PWR IND ECT SNOW IND ELECTRIC POWER CONTROL ECU BCUT FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B P-D/C CUT FUSE (RIGHT END OF DASH) HOT IN ON OR START J/B 4 (RIGHT SIDE OF DASH) LED DRIVER MASTER IND NTB NTO PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE SLT- SLU+ STOP FUSE STOP LIGHT SWITCH (LEFT SIDE OF DASH) TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE YEL WIRE

+B CAN+ CAN- CANL CANH TC 1 24 25 22 32 23 21 28 19 +BM 24 2 13 8 22 21 28 23 20 29 7 3 SPD STAR STP IGSW 6 4 5 3 1 2 VTA 7 8 16 20 29 1 2 10 9 13 14 21 SFTD SFTU BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BR- BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (FRONT LEFT EVGR GRN WIRE GRN/RED WIRE GRN/YEL WIRE J/B 3 (RIGHT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE M+ M- ETA VCTA M- M+ MASS AIR FLOW METER (BANK 1) (TOP LEFT SIDE OF ENGINE) MASS AIR FLOW METER (BANK 2) (TOP RIGHT SIDE OF ENGINE) NCA WIRE OF ENGINE) ORG/ WIRE PNK WIRE RED WIRE RED/BLU WIRE SFTD SFTU SHIFT DOWN SHIFT UP SPIRAL CABLE (IN STEERING COLUMN) STA NSW STARTING/CHARGING SYSTEM STEERING PAD SWITCH W/ MODULATOR THA THAR THROTTLE POSITION SENSOR (ON THROTTLE BODY) TRANSMISSION SHIFT SWITCH (BASE OF TRANSMISSION SHIFTER) VCPA EPA VPA BATT MREL VG THA VGR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 COMPUTER DATA LINES SYSTEM CANL CANH 15 16 CANN CANP 15 22 6 IG 28 20 CANN CANP 4 17 PGND SG 5 6 24 22 20 9 2 1 7 CANL CANH LOPN LCTY PAWL BDCY LCM+ LCM- HALF BLK WIRE BLU WIRE CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CLS COMPUTER DATA LINES SYSTEM CTY D-ACC FUSE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FSM FUEL FUEL LID COURTESY SWITCH FUEL LID WITH MOTOR LOCK ASSEMBLY (BEHIND LEFT REAR WHEELWELL) FUEL OPN FUSE FUO FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START LGLB LT GRN WIRE LUGGAGE LUGGAGE COMPARTMENT DOOR LOCK CYLINDER (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE COMPARTMENT DOOR OPENING CANCEL SWITCH ASSEMBLY LUGGAGE DOOR CLOSER ASSEMBLY (CENTER REAR OF LUGGAGE COMPARTMENT LID) LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU DRIVER SIDE J/B (LEFT END OF DASH) MPXB OPN PASSENGER SIDE J/B (RIGHT END OF DASH) PNK LIDO WIRE PNK WIRE POWER TRUNK LID CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) REAR JUNCTION BLOCK ECU RED WIRE RED/BLK WIRE RR MPX B 1 FUSE RR MPX-B 2 FUSE TKUL TMSW TSW VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE