Lexus LS IV (2006-2012) nca Wiring diagrams

1 2 3 4 ALO ARO ASGN AUXO ALI ANT ANTENNA ARI ASGN ATX- AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE HOT IN ON OR ACC J/B 5 (LEFT SIDE OF DASH) LEFT FRONT TWEETER LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MODE MUTE NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK WIRE RADIO ANTENNA RADIO RECEIVER ASSEMBLY RED WIRE RR ACC FUSE SEEK + SEEK - SLD SPIRAL CABLE (IN STEERING COLUMN) STEERING PAD SWITCH STEERING PAD SWITCH W/ MODULATOR STEREO JACK ADAPTER 1 SWG VIO WIRE VOICE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DCM DISPLAY, NAVIGATION MODULE DISPLAY FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM J/B 5 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MACC MCI- MCO- MCVD MI+ MICROPHONE, MICROPHONE AMPLIFIER MIN MUTE NCA WIRE ORG/ WIRE P-ACC FUSE PASSENGER SIDE J/B PNK WIRE RADIO (RIGHT END OF DASH) FUSE REAR SEAT ENTERTAINMENT CIRCUIT REAR SEAT ENTERTAINMENT CIRCUIT GPS ANTENNA RED WIRE REV RIGHT FRONT TWEETER RSE SGND SLDI SPI+ SPO- UGND USB USBG USBV VIO WIRE VMTR VOR- VOT+ W/ LEXUS ENFORM OR SAFETYCONNECT W/ REAR SEAT ENTER- TAINMENT SYSTEM W/ REAR SEAT ENTERTAINMENT SYSTEM W/O LEXUS ENFORM OR SAFETYCONNECT W/O REAR SEAT ENTERTAINMENT SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 AGND VV+ VAR+ VAL+ SG VV- VA- ADPG ARON AIR AUTO BLK WIRE BLU WIRE BRN WIRE CANN CANP CB+ CGND COMPUTER DATA LINES SYSTEM CV+ DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B ELECTRIC PARKING BRAKE SWITCH GRN WIRE IEEE IEEE CONNECTOR (LEFT SIDE OF DASH) J/B 3 (RIGHT 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 NTSO V+ CA+ ORG/ WIRE PARKING ASSIST ECU (RIGHT END OF DASH) PARKING BRAKE ECU (LEFT SIDE OF LUGGAGE COMPT) PKBO PNK WIRE PULL PUSH REAR JUNCTION BLOCK ECU (LEFT SIDE OF LUGGAGE COMPT) REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE SGND SUPPLEMENTAL RESTRAINTS SYSTEM TELEVISION CAMERA (CENTER REAR OF LUGGAGE COMPT LID) ULO+ URO+ V- CGND VGN VIO WIRE VLI VRI W/ HDD 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 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

2 1 TX+ TX- BBZ CBZ EE BLK WIRE BLU WIRE BUMPER FASCIA) CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CLEARANCE WARNING BUZZER 1 (UNDER CENTER OF DASH) CLEARANCE WARNING BUZZER 2 (CENTER FRONT OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM DISPLAY, NAVIGATION MODULE DISPLAY EF CV+ CGND FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START LEFT FRONT SIDE ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LT GRN WIRE NCA WIRE ORG/ WIRE P MPX B FUSE P-ACC FUSE PARKING ASSIST ECU (RIGHT END END OF DASH) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RADIO 1 FUSE RED WIRE RIGHT FRONT SIDE ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT TX- TX+ 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

15 16 10 CANN CANP 9 10 8 COMPUTER DATA LINES SYSTEM CANP CANN BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CERTIFICATION ECU ASSEMBLY (LEFT END OF DASH) CLS CLOSE COMBINATION METER COMPUTER DATA LINES SYSTEM D MPX-B 2 FUSE DCTY DOOR CONTROL RECEIVER (RIGHT REAR OF LUGGAGE COMPT) DOWN DOWN DRIVER SIDE J/B (LEFT END OF DASH) DRIVER'S DOOR ELECTRICAL KEY ANTENNA (RIGHT "C" PILLAR) ENGINE ROOM J/B 2 FUSE GND RSSI ASEL DATA +5 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START J/C KEY LOCK KUL LEFT FRONT MULTIPLEX NETWORK DOOR ECU LOCK ASSEMBLY LSWE MAIN BODY ECU (LEFT END OF DASH) MASTER IND MICRO COMPUTER MPX-B NCA WIRE OPN OPN DWN CLS UP P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK KL WIRE PNK WIRE RDA ASEL RSSI CANP CANN RED WIRE S/ROOF FUSE SLIDING ROOF CONTROL SWITCH OVERHEAD MODULE (ROOF CONSOLE) SLIDING ROOF ECU (ROOF CONSOLE) SUPPLY POWER UL KEY UNLOCK UP UP 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

1 2 3 4 5 6 7 USB USBG VOT+ USBV VOT- VOR- VOR+ 20 21 18 COMPUTER DATA LINES SYSTEM I/F 4 10 FR+ FR- 7 2 TMUT SPD ANTENNA ANTENNA BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DCM DCM (TELEMATICS TRANSCEIVER) (RIGHT END OF DASH) DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) GRN WIRE GSW HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IGN FUSE INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER MICROPHONE, MICROPHONE AMPLIFIER MIN MPXB MUTE MCO+ MCO- NCA WIRE ORG/ WIRE OVERHEAD MODULE (ROOF CONSOLE) P-ACC FUSE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY RADIO 1 FUSE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 SGND SGND MCVD MCI+ MCI- SIG PNK (+) WIRE SOS SWITCH SPDP SPO+ SPO- PNK WIRE STEREO COMPONENT AMPLIFIER ASSEMBLY (RIGHT REAR OF LUGGAGE COMPT) SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE ANTENNA ASSEMBLY (FRONT OF CENTER CONSOLE) UGND USBV VIO WIRE VOR- VOT+ WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 IG 21 20 3 10 11 12 24 MSW VSW VB+ VGND VIB- VIB+ SG 3 20 21 10 11 12 24 VB+ VSW MSW VGND VIB- VIB+ SG BLK WIRE BLU WIRE BRN WIRE DRIVER SIDE J/B (LEFT END OF DASH) GRY WIRE HOT AT ALL TIMES D RR SEAT FUSE HOT AT ALL TIMES PASSENGER P RR SIDE J/B SEAT (RIGHT END FUSE OF DASH) LEFT REAR POWER SEAT CONTROL ECU (LEFT REAR SEAT BACK) LEFT SEAT VIBRATOR (IN LEFT REAR SEAT BACK) LIN LT BLU WIRE LUGGAGE ROOM J/B NCA WIRE PNK WIRE RELAY ENERGIZED RIGHT REAR POWER SEAT CONTROL ECU (RIGHT REAR SEAT BACK) RIGHT SEAT VIBRATOR (IN RIGHT REAR SEAT BACK) (RIGHT SIDE OF LUGGAGE COMPT) RR- RR- (LEFT SIDE OF LUGGAGE FUSE FUSE COMPT) SEAT VIBRATION ECU SEAT VIBRATOR SWITCH VIO WIRE VSWR MSWR VSWL MSWL PNK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE