Lexus LS IV (2006-2012) computer data lines system Wiring diagrams

2 1 4 3 TDC- TDC+ TCS 4-SEATER, W/O 5-SEATER OTTOMAN 5 SEATER W/ OTTOMAN BACK SEAT BBS BCS BFB+ BBS BFB- BFB- BFC+ BCS BFC- TDC- TDC+ TDB- TDB+ VER GND LIN BFC- BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) CLIMATE CONTROL REAR SEAT COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG SYSB INTEGRATION CONTROL, PANEL ASSEMBLY LT GRN WIRE MPX ORG/ WIRE P MPX B FUSE P RR S/HTR FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK HS WIRE PNK WIRE REAR SEAT CLIMATE CONTROL SWITCH INDICATOR RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT REAR SEAT CLIMATE CONTROL ECU RIGHT REAR SEAT CLIMATE CONTROLLER SEAT BACK (RIGHT REAR SEAT BACK) RIGHT REAR SEAT CLIMATE CONTROLLER SEAT CUSHION RIGHT REAR SEAT CLIMATE FAN MOTOR SEAT BACK (RIGHT REAR SEAT BACK) RIGHT REAR SEAT CLIMATE FAN MOTOR SEAT CUSHION RIGHT REAR SEAT HEATER (RIGHT REAR SEAT BACK) SEAT CUSHION WING INNER SEAT CUSHION) SIDE SWITCH TBS TCS TBS TDB+ VIO WIRE WHT WIRE WHT/BLK WIRE WING OUTER SEAT CUSHION 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 25 26 IG SYSB BACK SEAT BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE BVR CANN CANP CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM FUSE GND LIN GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY L VR LEFT REAR SEAT CLIMATE CONTROL ECU LEFT REAR SEAT HEATER (LEFT REAR SEAT BACK) LIN LUGGAGE ROOM J/B MPX OF DASH) P MPX B FUSE P RR S/HTR FUSE PASSENGER SIDE J/B (RIGHT END PASSENGER SIDE J/B (RIGHT END OF DASH) PNK HS WIRE PNK WIRE R VR REAR CONSOLE SWITCH REAR CURTAIN SWITCH ASSEMBLY REAR SEAT CLIMATE CONTROL SWITCH RED WIRE RELAY ENERGIZED RIGHT REAR SEAT CLIMATE CONTROL ECU RIGHT REAR SEAT HEATER (RIGHT REAR SEAT BACK) RR MPX-B 2 FUSE SEAT BACK) SEAT CUSHION WING INNER SIDE SEAT CUSHION WING OUTER SIDE SEAT CUSHION) SIDE SIDE WING INNER VER GND LIN VIO WIRE WHT GRN/ WIRE WHT WIRE WHT/BLK WIRE WING OUTER SEAT CUSHION 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

10 9 8 16 6 3 11 1 2 5 13 CANN CANP 13 23 22 LSWE KL KUL 9 10 16 6 CANP CANN AUTO AUTO DOWN/ UP AUTO UP BCUT BDR CPUB BCUT PWE BDR SIG CPUB GND PWE BDRJ BDRJ BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CUTD D DOOR 1 FUSE D DOOR 2 FUSE D MPX-B 1 FUSE DOWN GND DOWN UP DRIVER SIDE J/B (LEFT END OF DASH) ELECTRIC POWER CONTROL ECU FUSE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START KEY LOCK KEY UNLOCK LED LEFT FRONT DOOR CONTROL ECU (DRIVER'S DOOR) LEFT FRONT DOOR LOCK MOTOR (DRIVER'S DOOR) LIN ORG/ WIRE P DOOR 1 FUSE P DOOR 2 FUSE P MPX B FUSE P-D/C CUT FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE REGULATOR MOTOR) RIGHT END OF DASH) RIGHT FRONT DOOR CONTROL ECU (FRONT PASSENGER'S DOOR) RIGHT FRONT POWER WINDOW SWITCH SGND SGND CPBJ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

6 5 4 3 2 GND RSSI ASEL DATA +5 BLK WIRE BLU WIRE BRN WIRE CANN CANP CERTIFICATION ECU (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT D RR DOOR FUSE DCTY DOOR CONTROL RECEIVER (RIGHT REAR OF LUGGAGE COMPT) DRIVER DRIVER SIDE DOWN SWITCH SIDE UP SWITCH DRIVER SIDE J/B (LEFT END OF DASH) FRONT PASSENGER SIDE CONTROL SWITCH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 3 (RIGHT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LED LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT FRONT POWER WINDOW REGULATOR MOTOR (DRIVER'S DOOR) LEFT REAR SIDE CONTROL SWITCH LIN MAIN BODY ECU (LEFT END OF DASH) ORG/ WIRE POWER WINDOW REGULATOR MASTER SWITCH RDA ASEL RSSI CANH CANL RED WIRE RIGHT REAR SIDE CONTROL SWITCH WHT WIRE WHT/BLK WIRE WINDOW DRIVER LOCK SIDE SWITCH AUTO SWITCH

1 2 5 8 18 6 3 11 10 9 GND PWE BDRJ 1 2 5 8 3 11 6 18 10 9 GND PWE BDRJ AUTO AUTO DOWN AUTO UP BDR SIG BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM CPUB CANN CANP COMPUTER DATA LINES SYSTEM DOWN FUSE GND LED GRY WIRE HOT AT ALL TIMES HOT IN ON OR START J/C LED LEFT REAR DOOR CONTROL ECU (LEFT REAR DOOR) LEFT REAR POWER WINDOW REGULATOR MOTOR (LEFT REAR DOOR) LEFT REAR POWER WINDOW SWITCH LIN LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) ORG/ WIRE P RR DOOR FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) RED WIRE RIGHT REAR DOOR RIGHT REAR DOOR CONTROL ECU (INSIDE RIGHT REAR DOOR) RIGHT REAR POWER WINDOW REGULATOR MOTOR RIGHT REAR POWER WINDOW SWITCH RR MPX-B 2 FUSE SGND SIG CPUB BDR 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 11 3 CANP CANN 1 2 3 4 5 6 SSA- SSA+ SHSE SHSB 10 9 6 11 3 1 CANN CANP BDR CPUB SIG GND 4 SEATER, 5 SEATER, W/O OTTOMAN 5 SEATER W/ OTTOMAN 6 3 11 9 10 1 BDR SIG CPUB CANP CANN GND BLK WIRE BLU WIRE CANP CANN CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM D RR DOOR FUSE DRIVER SIDE J/B (LEFT END OF DASH) FUSE GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER P MPX B SIDE J/B FUSE (RIGHT END OF DASH) HOT IN ON OR START INTEGRATION CONTROL, PANEL ASSEMBLY LEFT REAR CURTAIN SUB-ASSEMBLY LEFT REAR MULTIPLEX NETWORK DOOR ECU (LEFT REAR DOOR) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX P MPX B FUSE P RR DOOR FUSE REAR CONSOLE SWITCH (4-SEATER) REAR CONSOLE SWITCH (5-SEATER) REAR CURTAIN SWITCH ASSEMBLY REAR DOOR) REAR SUNSHADE SWITCH RED WIRE RIGHT REAR CURTAIN SUB-ASSEMBLY RIGHT REAR MULTIPLEX NETWORK DOOR ECU (RIGHT REAR DOOR) RR MPX-B 2 FUSE SHSB SHSE SSA+ SSA- SWITCH SUNSHADE SWITCH SUNSHADE REAR DOOR WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 11 3 CANP CANN 1 2 6 5 CANP CANN 20 28 CANP CANN 22 4 3 LMT MU MD 4 SEATER, 5 SEATER, W/O OTTOMAN 4-SEATER 5-SEATER 5 20 GND 5 SEATER W/ OTTOMAN 8 7 5 15 IG MPXB RSB LGLB BLK WIRE BLU WIRE BRN WIRE CANH COMPUTER DATA LINES SYSTEM CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION SWITCH ASSEMBLY COMPT) COMPUTER DATA LINES SYSTEM FUSE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START HYBRID VEHICLE CONTROL ECU (LEFT FRONT OF ENGINE COMPT) INTEGRATION CONTROL, PANEL ASSEMBLY LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE MPX P MPX B FUSE PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK RSMD WIRE PNK WIRE REAR CONSOLE SWITCH (4-SEATER) REAR CONSOLE SWITCH (5-SEATER) REAR CURTAIN SWITCH ASSEMBLY REAR JUNCTION BLOCK ECU REAR SUNSHADE SWITCH REAR WINDOW SHADE ASSEMBLY RR MPX B 1 FUSE RR MPX-B 2 FUSE RR S/SHADE FUSE RSE RSL RSMU SUNSHADE REAR SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE