Lexus LS IV (2006-2012) nca Wiring diagrams

AFS ECU AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) SHIELD BLK WIRE BRAKE STROKE SENSOR TRANSMISSION SHIELD SHIFT SWITCH DLC 3 BRN WIRE CAMSHAFT CONTROL MOTOR (BANK 1) CAMSHAFT CONTROL MOTOR (BANK 2) CANISTER PUMP MODULE DRIVER SIDE J/B (LEFT END OF DASH) DRIVING SUPPORT ECU ELECTRIC POWER CONTROL ECU ENGINE CONTROL MODULE FAN CONTROL ECU FRONT BLOWER MOTOR IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 7 IGNITION COIL 8 IGNITION IGNITION COIL 4 COIL 6 INJECTOR DRIVER 1 INJECTOR DRIVER 2 J/B 3 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) KNOCK SENSORS (BANK 1 SENSOR 1), (BANK 2 SENSOR 1) SHIELD KNOCK SENSORS (BANK 1 SENSOR 2), (BANK 2 SENSOR 2) SHIELD NCA WIRE POWER STEERING ECU SPILL CONTROL INJECTOR VALVE DRIVER 2 (BANK 2) SHIELD SHIELD SPILL INJECTOR CONTROL DRIVER 1 VALVE SHIELD (BANK 1) SHIELD SPIRAL CABLE STEERING CONTROL ECU TRANSMISSION CONTROL MODULE WHT WIRE WHT/BLK WIRE

5- SEATER BLK WIRE BLU WIRE BRN WIRE COOLING BOX ILLUMINATION LIGHT COURTESY LIGHT SWITCH (ARMREST) EXHAUST GAS SENSOR FROM FROM SEAT VIBRATOR SWITCH (DIAGRAM 5 OF 6) FUEL FUEL INJECTOR 1 INJECTOR 4 SHIELD SHIELD FUEL FUEL INJECTOR 8 INJECTOR 3 SHIELD SHIELD FUEL INJECTOR 2 SHIELD FUEL INJECTOR 5 SHIELD FUEL INJECTOR 6 SHIELD FUEL INJECTOR 7 SHIELD FUEL SENDER GAUGE HIGH MOUNTED STOP LIGHT HOOD COURTESY SWITCH LEFT FRONT DOOR CONTROL ECU LEFT FRONT POWER SEAT CONTROL ECU, SWITCH LEFT FRONT SEAT CLIMATE CONTROL ECU LEFT FRONT SEAT INNER BELT SWITCH LEFT HEADLIGHT LEFT REAR DOOR CONTROL ECU LEFT REAR HEADREST MOTOR, POSITION SENSOR LEFT REAR LEFT REAR POWER SEAT SEAT CLIMATE CONTROL CONTROL ECU ECU LEFT REAR SEAT NCA WIRE NOISE FILTER (REAR WINDOW DEFOGGER) OCCUPANT DETECTION ECU POWER TRUNK LID CONTROL ECU REAR CONSOLE SWITCH REAR SEAT ENTERTAINMENT TABLE SWITCH RIGHT FRONT DOOR CONTROL ECU RIGHT FRONT POWER SEAT CONTROL ECU, SWITCH RIGHT FRONT SEAT CLIMATE CONTROL ECU RIGHT FRONT SEAT INNER BELT SWITCH RIGHT HEADLIGHT WHT WIRE WHT/BLK WIRE

13 14 CANL CANH 18 34 27 VC NE- NE+ PNK WIRE 4 6 5 PNK WIRE BDCY BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR CUTD D-ACC FUSE DCM (TELEMATICS TRANSCEIVER) (RIGHT END OF DASH) DCTY DISP DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) ELECTRIC POWER CONTROL ECU BCUT ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FRONT PAD WEAR INDICATOR SWITCH FUEL INJECTOR (DIRECT INJECTION 1) (LEFT SIDE OF INTAKE MANIFOLD) FUEL INJECTOR (PORT INJECTION 1) (LEFT SIDE OF INTAKE MANIFOLD) FUEL SENDER GAUGE (LEFT SIDE OF FUEL TANK) FUEL SENDER GAUGE (SUB) (RIGHT SIDE OF FUEL TANK) FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INJECTOR DRIVER (BANK 1) (CENTER REAR OF ENGINE COMPT) J/B 3 (RIGHT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LCTY LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LEFT REAR HEIGHT CONTROL SENSOR (RIGHT REAR WHEELWELL) LGLB LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU MPXB NCA WIRE NE NE- VC PNK WIRE P-D/C CUT FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PCTY PIND PNK WIRE RCTY REAR JUNCTION BLOCK ECU REAR PAD WEAR INDICATOR SWITCH REAR SEAT ENTERTAINMENT TABLE SWITCH RED WIRE RESET+ RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) RL+ RL- 7 8 RR MPX B 1 FUSE RR MPX-B 2 FUSE SPDP STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEERING SWITCH ECU STEREO COMPONENT AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) TOP OF ENGINE) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ MULTI DISPLAY WHT WIRE WHT/BLK WIRE YEL 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 CENTER SPEAKER COMPUTER DATA LINES SYSTEM DCM DISPLAY, NAVIGATION MODULE DISPLAY GRN WIRE INSTRUMENT CLUSTER SYSTEM J/B 5 (LEFT SIDE OF DASH) LEFT FRONT TWEETER LEFT FRONT WOOFER LT BLU WIRE LT GRN WIRE MACC MCI- MCO- MCVD MICROPHONE, MICROPHONE AMPLIFIER MIN MUTE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE REV RIGHT FRONT TWEETER SGND SPI+ SPO- SWG UGND USB USBG USBV VIO WIRE VOR- VOT+ W/ LEXUS ENFORM OR SAFETY CONNECT W/O LEXUS ENFORM OR SAFETY CONNECT WHT WIRE WHT/BLK WIRE WOOFER YEL WIRE

AGND ALI ARI ASGN AUTO AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) ELECTRIC PARKING BRAKE SWITCH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START J/B 3 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LT GRN WIRE MI+ MO- NCA WIRE NTSC ORG/ WIRE P-ACC FUSE PARKING BRAKE ECU (LEFT SIDE OF LUGGAGE COMPT) PASSENGER SIDE J/B (RIGHT END OF DASH) PULL PUSH RADIO 1 FUSE RADIO GPS ANTENNA ANTENNA RADIO RECEIVER ASSEMBLY REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE RSE SLD SLDI SLDO VIO WIRE VMTR W/ REAR SEAT ENTER- TAINMENT SYSTEM W/ REAR SEAT ENTERTAINMENT SYSTEM W/O REAR SEAT ENTERTAINMENT SYSTEM WHT WIRE WHT/BLK WIRE WUI WUO YEL WIRE

1 2 3 4 5 6 7 8 AGND VV+ VAR+ VAL+ SG VV- VA- ADPG 2 4 1 3 CV+ CB+ CV- CGND 28 20 CANN CANP 31 32 TX+ TX- 6 5 CANL CANH AGND ALO ARO ARON AIR ASGN AUXO BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM REAR SEAT DISPLAY, NAVIGATION MODULE DISPLAY ENTERTAINMENT CIRCUIT GRN WIRE IEEE IEEE CONNECTOR (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MULTI-MEDIA MODULE NAVIGATION ASSEMBLY (W/ DVD) (RIGHT SIDE OF DASH) NCA WIRE NTSC VV+ NTSO V+ CA+ ORG/ WIRE PARKING ASSIST ECU (RIGHT END OF DASH) PKBO PNK WIRE REAR JUNCTION BLOCK ECU REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE SG VV- SGND STEREO JACK ADAPTER 1 SUPPLEMENTAL RESTRAINTS SYSTEM TELEVISION CAMERA (CENTER REAR OF LUGGAGE COMPT LID) UDI- UDO+ UESG UJSG ULO+ UPI UPO URO+ V- CGND VGN VIO WIRE VLI VRI W/ HDD WHT WIRE YEL WIRE

-TW 1 2 3 4 5 6 +B GND 1 2 3 4 5 6 7 8 9 10 WFR+ FL+ TWL+ TWR+ WFR- FL- FR- FR+ TWL- TWR- AMP FUSE BLK (OR VIO) WIRE BLK WIRE BLU WIRE CENTER SPEAKER CTR+ WFL+ DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES D MPX B 2 HOT IN ON OR ACC INSTRUMENT CLUSTER SYSTEM J/B 5 (LEFT SIDE OF DASH) LEFT FRONT WOOFER LEFT REAR SQUAWKER LEFT REAR TWEETER LT BLU WIRE LT GRN WIRE MARK LEVINSON EXCEPT MARK LEVINSON MO- NCA WIRE P-ACC FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK CTR+ WFL+ WIRE PNK WIRE REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE RIGHT FRONT WOOFER RIGHT REAR SQUAWKER RIGHT REAR TWEETER RLD RRD SLDO MO- STEREO COMPONENT AMPLIFIER (RIGHT REAR OF LUGGAGE COMPT) TMUT VIO WIRE WHT WIRE WHT/BLK WIRE WOOFER WUO YEL (OR PNK) 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