Lexus LS IV (2006-2012) (left front of luggage compt) Wiring diagrams

4-SEATER 5-SEATER 4-SEATER, 5-SEATER W/ POWER SEAT A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) (LEFT FRONT OF ENGINE COMPT) AMBIENT TEMPERATURE SENSOR (LEFT SIDE OF BUMPER FASCIA) BDR BLK WIRE BLU WIRE CANN CANP COMPUTER DATA LINES SYSTEM CPUB DGS DGSE EXHAUST GAS SENSOR (FRONT CENTER OF ENGINE COMPT) FUSE HOT AT ALL TIMES HOT AT ALL TIMES DRIVER D RR DOOR FUSE SIDE J/B (LEFT END OF DASH) HOT AT ALL TIMES P RR DOOR FUSE HOT AT ALL TIMES RR MPX B 2 FUSE HOT IN ON OR START LEFT REAR ROOM TEMPERATURE SENSOR (W/ REAR AIR CONDITIONING) (LEFT REAR DOOR) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MULTIPLEX NETWORK FRONT LIGHT ECU (RIGHT FRONT OF ENGINE COMPT) P MPX B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PRS RCLN REAR A/C SWITCH REAR CONSOLE SWITCH RED WIRE RIGHT REAR MULTIPLEX NETWORK DOOR ECU (RIGHT REAR DOOR) RIGHT REAR ROOM TEMPERATURE SENSOR (W/ REAR AIR CONDITIONING) (RIGHT REAR DOOR) SIG TME TRAD TRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 1 4 3 TDC- TDC+ TCS 2 1 TDB- TDB+ 4 3 TBS 4- SEATER 5- SEATER BBS BCS BFB+ BBS BFB- BFB- BFC+ BCS BFC- TDC- TDC+ TDB- TDB+ BFC- BLK WIRE BLU WIRE BRN WIRE BVR CANN CANP COMPUTER DATA LINES SYSTEM D RR S/HTR FUSE DRIVER SIDE J/B (LEFT END OF DASH) FUSE GND LIN GRN WIRE GRY WIRE HOT AT ALL TIMES L VR LEFT REAR SEAT CLIMATE CONTROL ECU LEFT REAR SEAT CLIMATE CONTROLLER LEFT REAR SEAT CLIMATE FAN MOTOR SEAT CUSHION LEFT REAR SEAT HEATER (LEFT REAR SEAT BACK) LIN LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) ORG/ WIRE PNK HS WIRE PNK WIRE R VR REAR CONSOLE SWITCH (4-SEATER) REAR CONSOLE SWITCH (5-SEATER) REAR CURTAIN SWITCH ASSEMBLY (5-SEATER) REAR SEAT CLIMATE CONTROL SWITCH RED WIRE RELAY ENERGIZED RR MPX-B 2 FUSE SEAT BACK (LEFT REAR SEAT BACK) SEAT BACK) SEAT CUSHION (LEFT REAR SEAT CUSHION) SEAT CUSHION) SIDE WING INNER TCS TBS VIO WIRE WHT WIRE WHT/BLK WIRE WING OUTER SIDE YEL WIRE

6 11 3 9 10 1 BDR CPUB SIG CANP CANN GND 7 6 8 CTY +B BLK WIRE BLK/WHT WIRE BLU WIRE CANN CANP CENTER JUNCTION BLOCK J/B 3 (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CTYB CYL DBIL FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START PASSENGER SIDE J/B (RIGHT END IG CANL CANH GND BDCY LCTY LED LEFT FRONT SEAT INNER BELT SWITCH (UNDER DRIVER'S SEAT) LGCY LGLB LGLP LIN LT GRN WIRE LUGGAGE COMPARTMENT DOOR LIGHT ASSEMBLY 1 6 1 7 LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 LUGGAGE DOOR CLOSER ASSEMBLY LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPXB OF DASH) FUSE P-D/C CUT FUSE PBIL PNK WIRE POWER TRUNK LID CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) PTL FUSE REAR FOOTWELL REAR JUNCTION BLOCK ECU FUSE RED WIRE RIGHT FRONT SEAT INNER BELT SWITCH RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 RIGHT REAR DOOR COURTESY LIGHT ASSEMBLY RIGHT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY RIGHT REAR MULTIPLEX NETWORK DOOR ECU (RIGHT REAR DOOR) RR MPX B 1 FUSE RR MPX-B 2 FUSE RSPL RSPR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

4- SEATER 5 SEATER W/ OTTOMAN 5 SEATER W/O OTTOMAN AIR SUS RELAY BLK WIRE BRN WIRE CENTER AIR BAG ECU CERTIFICATION ECU CLEARANCE SONAR ECU COMBINATION METER CONSOLE SWITCH DISPLAY, NAVIGATION MODULE DISPLAY ELECTRIC POWER CONTROL ECU HAZARD WARNING SIGNAL SWITCH INTEGRATION CONTROL, PANEL ASSEMBLY J/B 3 (RIGHT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LIGHT CONTROL RHEOSTAT LUGGAGE DOOR OPENING SWITCH NOISE FILTER (HIGH MOUNTED STOP LIGHT) SHIELD P-ACC RELAY RELAY PARKING ASSIST ECU PARKING REAR BRAKE A/C ECU BLOWER ASSEMBLY PASSENGER SIDE J/B (RIGHT END OF DASH) POWER SWITCH PTC HEATER RADIO RECEIVER ASSEMBLY REAR CIGARETTE LIGHTER SOCKET REAR REAR POWER CIGARETTE OUTLET LIGHTER SOCKET SOCKET SEAT BELT LEFT REAR CONTROL POWER SEAT ECU CONTROL ECU STEERING LOCK ECU TIRE PRESSURE WARNING ECU TIRE PRESSURE WARNING RESET SWITCH TRIP SWITCH W/ ADVANCED PARKING GUIDANCE SYSTEM W/ MULTI DISPLAY W/O ADVANCED PARKING GUIDANCE SYSTEM W/O MULTI DISPLAY WHT WIRE WHT/BLK WIRE YAW RATE SENSOR

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

10 9 CANN CANP 12 6 CANN CANP 13 22 CANH CANL 22 21 CANL CABH 3 4 CANH CANL 31 32 TX+ TX- 7 8 CANH CANL A/C AMPLIFIER (CENTER OF DASH) AIR SUSPENSION CONTROL ECU (RIGHT END OF DASH) BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER AIR BAG ECU (UNDER CENTER FLOOR CONSOLE) CLEARANCE SONAR ECU (RIGHT END OF DASH) CLOCK DISPLAY, NAVIGATION MODULE DISPLAY (W/ MULTI DISPLAY) GRN WIRE LT GRN WIRE OF DASH) PARKING ASSIST ECU (RIGHT END OF DASH) PNK WIRE RED WIRE RIGHT FRONT DOOR CONTROL ECU (FRONT PASSENGER'S DOOR) RIGHT REAR DOOR CONTROL ECU (INSIDE RIGHT REAR DOOR) STEERING CONTROL ECU (RIGHT SIDE OF DASH) TIRE PRESSURE WARNING ECU (RIGHT END TX+1 TX-1 VIO WIRE W/ ADVANCED PARKING GUIDANCE W/ MULTI DISPLAY W/O ADVANCED PARKING GUIDANCE W/O MULTI DISPLAY WHT WIRE YEL WIRE

10 9 1 6 11 3 13 CANN CANP GND BDR CPUB SIG PNLI 11 6 3 1 10 9 13 CPUB BDR SIG GND CANN CANP PNLI 15 16 23 24 ASH- ASH+ MSW- MSW+ 23 22 CANN CANP 24 23 16 15 MSW+ MSW- ASH+ ASH- 4 18 ILL- ILL+ 4- SEATER 5- SEATER BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CAN CONTROLLER CAN I/F COMBINATION METER COMPT) COMPUTER DATA LINES SYSTEM COOLING BOX ILLUMINATION LIGHT COOLING BOX ILLUMINATION LIGHT (W/ POWER SEAT) COURTESY LIGHT SWITCH (ARMREST) DRIVER SIDE J/B (LEFT END OF DASH) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE FRONT CIGARETTE LIGHTER FUSE GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH HEADLIGHT CLEANER SWITCH HOT AT ALL TIMES HOT IN ON OR START ILL- REAR CONSOLE SWITCH (5-SEATER) J/B 4 (RIGHT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) RIGHT REAR ASHTRAY LIGHT LEFT REAR ASHTRAY LIGHT LEFT REAR DOOR CONTROL ECU (LEFT REAR DOOR) LEFT REAR SEAT MEMORY SWITCH LIGHT CONTROL RHEOSTAT LT BLU WIRE LT GRN WIRE LUGGAGE DOOR OPENING SWITCH LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) ORG/ WIRE P RR DOOR FUSE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE REAR CONSOLE SWITCH REAR CONSOLE SWITCH SUB (CURTAIN SWITCH) 6 14 ILL+ ILL- RED WIRE RHDW RHUP RIGHT REAR DOOR CONTROL ECU (INSIDE RIGHT REAR DOOR) RIGHT REAR SEAT MEMORY SWITCH RR MPX-B 2 FUSE TRIP SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

4- SEATER 5 SEATER W/O OTTOMAN AIR CONDITIONING, NAVIGATION SOUND, WARNING SYSTEMS AIR CONDITIONING, TRANSMISSIONS SYSTEMS ANTI-LOCK BRAKES SYSTEM B/ANC FUSE BANC BATTERY FAN RELAY BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM D RR SEAT FUSE ELECTRONIC POWER STEERING SYSTEM ELECTRONIC SUSPENSION, ELECTRONIC POWER STEERING SYSTEMS FROM AIR SUS RELAY (DIAGRAM 3 OF 6) FROM DRIVER SIDE J/B (DIAGRAM 3 OF 6) FROM FUSIBLE LINK BLOCK ASSEMBLY 2 (DIAGRAM 1 OF 6) FROM P P/SEAT 1 (DIAGRAM 3 OF 6) FUEL FUEL OPN FUSE RR S/SHADE FUSE FUSE GRN WIRE INTERIOR LIGHTS, ANTI-LOCK BRAKES, TRUNK, TAILGATE, FUEL DOORS SYSTEMS JUNCTION LT GRN WIRE ORG/ WIRE P/SEAT 2 FUSE PASSIVE RESTRAINT SYSTEM PNK WIRE PTL FUSE PSB FUSE OBD FUSE REAR CIGARETTE LIGHTER ASSEMBLY REAR CIGARETTE LIGHTER ASSEMBLY/ REAR POWER REAR JUNCTION BLOCK ECU REAR POWER OUTLET JUNCTION SOCKET (LEFT SIDE OF LUGGAGE COMPT) RED WIRE RELAY RL RR SEAT FUSE RELAY RR CIG FUSE RR SEAT FUSE RSB S/HTR FUSE SEATS SYSTEM SHIFT INTERLOCK SYSTEM SOCKET SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL SEATS RESTRAINTS SYSTEM SYSTEM TO ENGINE ROOM J/B 2 (DIAGRAM 5 OF 6) TO INV RELAY (DIAGRAM 6 OF 6) TO LUGGAGE ROOM J/B (DIAGRAM 6 OF 6) VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 +B RCL+ SLD+ OTO+ HUP GND RCL- SLD- MR+ MR- OTO- HDWN 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 LVM+ LVM- 1 2 3 4 5 6 7 8 9 10 11 12 B+ 4- SEATER 5- SEATER BACK BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM DOWN GRN WIRE GRN/BLK WIRE HDWN HOT AT ALL TIMES HUP GND LEFT REAR POWER SEAT CONTROL ECU (LEFT REAR SEAT BACK) LEFT REAR POWER SEAT FOLD POSITION MOTOR (UNDER LEFT REAR SEAT) LEFT REAR POWER SEAT MOTOR ASSEMBLY (UNDER LEFT REAR SEAT) LEFT REAR SEAT 1 HEADREST ADJUSTER SUB-ASSEMBLY (LEFT REAR SEAT BACK) LIN LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE PVCC REAR CONSOLE SWITCH RED WIRE RIGHT REAR POWER SEAT CONTROL ECU ASSEMBLY (RIGHT REAR SEAT BACK) RL SEAT FUSE RR MPX-B 2 FUSE RR SEAT FUSE SEL SENSOR SGND SLD SLD- MR+ MR- SSMR SSRR SSRO SSRS SSRS SSRH SSMR SSRV SYSB PVCC VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACCELERATOR POSITION SENSOR (LEFT SIDE OF DASH) ACCR STA TC BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE C/OPN RELAY CANL CANH CCS COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM EFI EFI MAIN MAIN 2 FUSE FUSE EFI MAIN 2 RELAY EFI MAIN RELAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT F/PMP RELAY GAUGE GRN WIRE GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (EXHAUST SYSTEM, BELOW VEHICLE) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (EXHAUST SYSTEM, BELOW VEHICLE) HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM J/B 3 (RIGHT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE NSW IMO IMI ORG/ WIRE PASS- ENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE PUMP RED WIRE SFTD STFU CAN- CAN+ SIDE OF ENGINE COMPT) STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM ANTI-THEFT SYSTEM STARTING/ CHARGING SYSTEM COMPUTER DATA LINES SYSTEM STSW TACH TRANSMISSION SHIFT SWITCH (BASE OF TRANSMISSION SHIFTER) TRANSMISSION SYSTEM VCPA SPD KSW VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE