Lexus LS IV (2006-2012) red/blu Wiring diagrams

A/C BLOWER ASSEMBLY AIR INLET DAMPER CONTROL SERVO MOTOR AIR MIX DAMPER CONTROL SERVO MOTOR (PASSENGER SIDE FRONT A/C REAR AIR FLOW) AIR MIX DAMPER SERVO MOTOR (DRIVER SIDE FRONT A/C REAR AIR FLOW) AIR OUTLET DAMPER CONTROL SERVO MOTOR (DRIVER SIDE FRONT A/C REAR AIR FLOW) BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONNECTOR CONNECTOR HOUSING COLOR (BROWN) CONNECTOR HOUSING COLOR (GRAY) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (NATURAL) CONNECTOR HOUSING COLOR (SKY BLUE) CONTROL SERVO MOTOR E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (FRONT LEFT OF ENGINE) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FROM A/C BLOWER ASSEMBLY (DIAGRAM 4 OF 5) HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (BROWN) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (RED) WIRE J/C LEFT FOOT/DEF POSITION AIR OUTLET DAMPER CONTROL SERVO MOTOR LEFT FRONT FACE POSITION AIR OUTLET DAMPER CONTROL SERVO MOTOR LEFT HOT POSITION AIR MIX DAMPER CONTROL SERVO MOTOR LEFT M/H BYPASS DAMPER CONTROL SERVO MOTOR M/H BYPASS DAMPER COOL CONTROL SERVO MOTOR POSITION AIR OUTLET DAMPER RIGHT FRONT FACE RED/BLU WIRE RIGHT FOOT/DEF POSITION AIR OUTLET DAMPER CONTROL SERVO MOTOR RIGHT HOT POSITION AIR MIX DAMPER CONTROL SERVO MOTOR WHT WIRE

A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) (LEFT FRONT OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE CANP CANN COMPUTER DATA LINES SYSTEM COOLING FAN ECU COOLING FAN MOTOR (MAIN) (LEFT SIDE OF RADIATOR) COOLING FAN MOTOR (SUB) (RIGHT SIDE OF RADIATOR) E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (FRONT LEFT OF ENGINE) E/G ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 5 (RIGHT FRONT OF ENGINE COMPT) FAN 1 FUSE FAN 1 RELAY FUSE GRN WIRE HOT AT ALL TIMES FUSIBLE LINK BLOCK ASSEMBLY 1 (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR START J/C MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) RED/BLU WIRE SG PRS WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 FRV+ RRV+ RCL+ SYSB 1 2 3 4 5 6 7 8 9 10 11 12 L- LV- RCL- C- RRV- GND +B H- LV+ L+ H+ FRV- 19 20 21 22 23 24 25 26 SSFV SSRC SSRH SSRR SSRS CANN CANP 2 3 4 5 6 +5 DATA ASEL RSSI GND BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE CANP CANN RSSI ASEL RDA CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE CERTIFICATION ECU ASSEMBLY (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM D MPX-B 1 FUSE D P/SEAT FUSE DOOR CONTROL RECEIVER (RIGHT REAR OF LUGGAGE COMPT) DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IG CUTB LEFT FRONT LUMBAR SUPPORT FORWARD, BACK MOTOR (DRIVER'S SEAT BACK) LEFT FRONT POWER SEAT CONTROL ECU, SWITCH (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT CUSHION CONTROL MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT RECLINING POSITION MOTOR (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT SLIDE POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT VERTICAL POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LT GRN WIRE OF DASH) ORG/ WIRE P MPX B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PVCC SSRV C+ SLD- SLD+ RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY ENERGIZED SECURITY FUSE SENSOR SGND 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

1 2 3 4 5 6 7 8 9 10 11 12 L- BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOWN FRONT FRONT POWER SEAT SWITCH ASSEMBLY SLIDE FULL FRONT GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (RIGHT END OF DASH) P MPX B FUSE HRRS HRFS SLDR SLDF SGND L+ H+ FDWN LT GRN WIRE O/P ORG/ WIRE P P/SEAT 1 FUSE PVCC SSRL RCL- RDWN GND +B H- REAR RED WIRE RED/BLU WIRE RIGHT FRONT HEADREST POSITION SENSOR (FRONT PASSENGER'S SEAT BACK) RIGHT FRONT LUMBAR SUPPORT MOTOR (IN RIGHT FRONT SEAT BACK) RIGHT FRONT POWER SEAT CONTROL ECU, SWITCH RIGHT FRONT POWER SEAT LIFT POSITION SENSOR (UNDER FRONT PASSENGER'S SEAT) RIGHT FRONT POWER SEAT RECLINING POSITION MOTOR (UNDER RIGHT FRONT SEAT) SENSOR SLD+ SLD- SSFV SSRH SSRR SSRS CANN CANP VCC VIO WIRE WHT WIRE WHT/BLK 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

BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CANISTER PRESSURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR (FRONT LEFT OF ENGINE) ENGINE ROOM EX+ FUEL INJECTOR (DIRECT INJECTION 2) FUEL INJECTOR (DIRECT INJECTION 3) FUEL INJECTOR (DIRECT INJECTION 5) FUEL INJECTOR (DIRECT INJECTION 8) FUEL PRESSURE SENSOR (TOP CENTER OF ENGINE) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT IN ON OR START P-J/B J/B 2 FUSE (RIGHT SIDE OF ENGINE COMPT) KNOCK SENSOR (BANK 1 SENSOR 2) (LEFT SIDE OF ENGINE) KNOCK SENSOR (BANK 2 SENSOR 2) (RIGHT SIDE OF ENGINE) LEAK DETECTION PUMP CANISTER PUMP MODULE (UNDER LEFT REAR OF VEHICLE) LT GRN WIRE NCA WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE PURGE VSV (LEFT REAR OF ENGINE) RED WIRE RED/BLU WIRE TOP OF ENGINE) VENT VALVE VIO WIRE VVT SENSOR (BANK 2 EXHAUST SIDE) (RIGHT SIDE OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

+BM 8 9 10 11 12 13 14 15 16 17 PNK WIRE BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BR- BRN WIRE CRANKSHAFT POSITION SENSOR (RIGHT REAR OF ENGINE) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EVGR EX+ FP- FPD + FPF FUEL INJECTOR (DIRECT INJECTION 1) FUEL INJECTOR (DIRECT INJECTION 4) FUEL INJECTOR (DIRECT INJECTION 6) FUEL INJECTOR (DIRECT INJECTION 7) GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES ETCS FUSE HOT IN ON OR START ENGINE ECU- IG ROOM J/B 2 FUSE (RIGHT SIDE OF ENGINE COMPT) LT GRN WIRE MASS AIR FLOW METER (BANK 1) (TOP LEFT SIDE OF ENGINE) MASS AIR FLOW METER (BANK 2) (TOP RIGHT SIDE OF ENGINE) MPMP NCA WIRE NE+ PNK WIRE PNK/BLU WIRE PPMP RED WIRE RED/BLU WIRE THA THAR TOP OF ENGINE) VGR VIO WIRE VPMP VVT SENSOR (BANK 1 EXHAUST SIDE) (LEFT SIDE OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE ENGINE FUEL INJECTOR (PORT INJECTION 2) FUEL INJECTOR (PORT INJECTION 4) FUEL INJECTOR (PORT INJECTION 6) FUEL INJECTOR (PORT INJECTION 8) GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HOT IN ON OR START IGN FUSE HOT IN ON OR START INJ ROOM FUSE J/B 2 (RIGHT SIDE OF ENGINE COMPT) IGNITION COIL 2 (ABOVE 2 SPARK PLUG) IGNITION COIL 4 (ABOVE 4 SPARK PLUG) IGNITION COIL 6 (ABOVE 6 SPARK PLUG) IGNITION COIL 8 (ABOVE 8 LT GRN WIRE NCA WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE SPARK PLUG VIO WIRE WHT WIRE WHT/BLK WIRE

15 16 17 18 PNK WIRE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAMSHAFT CONTROL MOTOR (BANK 2) (RIGHT FRONT OF ENGINE) CAMSHAFT POSITION SENSOR (FRONT OF RIGHT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (BANK 1) (FRONT OF LEFT CYLINDER HEAD) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FPD + FUEL INJECTOR (PORT INJECTION 1) FUEL INJECTOR (PORT INJECTION 3) FUEL INJECTOR (PORT INJECTION 5) FUEL INJECTOR (PORT INJECTION 7) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LT GRN WIRE M- M+ 80 60 40 20 NCA WIRE PNK ASM- ASM+ WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE RLO ALT SGND STARTING/ CHARGING SYSTEM THROTTLE POSITION SENSOR (ON THROTTLE BODY) VCTA ETA VIO WIRE VTD VTM VTP VTS VVL+ VVR+ VVT SENSOR (BANK 1 INTAKE SIDE) (LEFT SIDE OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE