Lexus LS III facelift (2003-2006) bl (at left rear floor partition panel) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 TDB- 5 3 2 4 TDB+ TED BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLK/ORG WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CLIMATE CONTROL SEAT SWITCH COMPUTER DATA LINES SYSTEM D S/HTR FUSE DRIVER SEAT CLIMATE CONTROLLER (SEAT BACK) DRIVER SEAT CLIMATE CONTROLLER (SEAT CUSHION) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER'S CLIMATE CONTROL SEAT ECU FRONT PASSENGER'S CLIMATE CONTROL SEAT ECU GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT IN ON OR START IDL IK (AT RIGHT SIDE OF DASH) IND DSID IG IND DSID IG PNK WIRE INDC IR (UNDER RIGHT FRONT SEAT) J/C 11 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER J/C 22 (REARWARD OF LEFT REAR FENDERWELL) LEFT FAN MOTOR LIND LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LVG LVS ORG/ WIRE P S/HTR FUSE P-IG FUSE PASSENGER SEAT CLIMATE CONTROLLER (SEAT BACK) PASSENGER SEAT CLIMATE CONTROLLER (SEAT CUSHION) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE PWM+ M+ M- RED WIRE RED/BLK WIRE RIGHT FAN MOTOR PWM+ M+ M- RIND RLID RRID RVG RVS SEAT ECU TBS TBS TDB- TCS TDB+ TDB+ TED TDC- TDC+ TED VG IDL VIO/RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 BFC BFB+ BBS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TDB+ TDB- IDL 2 3 4 5 TBS 2 3 4 5 TCS 2 3 5 4 TBS 2 5 4 3 TCS TDC+ TDC- BBS BCS BFB- BFB- TDC+ TDC- BFC- BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CLIMATE CONTROL SEAT SWITCH COMPUTER DATA LINES SYSTEM DRIVER'S SEAT CLIMATE CONTROL SEAT ECU (UNDER RIGHT SIDE OF DRIVER'S SEAT) DSID FAN MOTOR (SEAT CUSHION) (IN RIGHT REAR SEAT CUSHION) FRONT PASSENGER'S SEAT CLIMATE CONTROL SEAT ECU (UNDER FRONT PASSENGER'S SEAT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HS TCS TBS IG GND BFC+ BCS INDC IND SW INDL INDR J/C 11 J/C 21 (FORWARD OF LEFT REAR FENDERWELL) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) LEFT REAR CLIMATE CONTROL SEAT ECU LEFT REAR SEAT CLIMATE CONTROLLER (SEAT BACK) (IN LEFT REAR SEAT BACK) LEFT REAR SEAT CLIMATE CONTROLLER (SEAT CUSHION) (IN LEFT REAR SEAT CUSHION) LEFT REAR SEAT CLIMATE FAN MOTOR (SEAT BACK) (IN LEFT REAR SEAT BACK) LEFT REAR SEAT CLIMATE FAN MOTOR (SEAT CUSHION) (IN LEFT REAR SEAT CUSHION) LEFT REAR SEAT HEATER (IN LEFT SIDE OF REAR SEAT) LT BLU WIRE LT GRN/BLK WIRE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) ORG/ WIRE PNK DSID WIRE PNK VG VS WIRE PNK WIRE PNK/BLK WIRE REAR CLIMATE CONTROL SEAT SWITCH (IN REAR SEAT ASSEMBLY) RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT REAR CLIMATE CONTROL SEAT ECU (IN RIGHT SIDE OF REAR SEAT) RIGHT REAR SEAT CLIMATE RIGHT REAR SEAT CLIMATE CONTROLLER (SEAT BACK) (IN RIGHT REAR SEAT BACK) RIGHT REAR SEAT CLIMATE CONTROLLER SEAT CUSHION RIGHT REAR SEAT CLIMATE FAN MOTOR (SEAT BACK) (IN RIGHT REAR SEAT BACK) RIGHT REAR SEAT HEATER (IN RIGHT SIDE OF REAR SEAT) RR S/HTR FUSE SWL SWR TBS TDB+ TDB- TDC- TDC+ VG VS VGL VGR VIO WIRE VIO/GRN WIRE VIO/RED WIRE VSL VSR WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

"C" PILLAR) 12 2 HTR- LP 6 17 1 26 23 24 15 BDR 6 26 1 17 23 24 15 BDR 7 10 8 CTY CTYB CYL AUDIO, REAR A/C CONTROL SWITCH BDCY BDR GND BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BM (AT LEFT REAR QUARTERPANEL) BN (AT RIGHT REAR FLOOR PARTITION PANEL) BP (AT LEFT REAR SEAT BACK) COMPARTMENT LIGHT 1 COMPT LID) COMPUTER DATA LINES SYSTEM CTY CTY CTYB CYL D DOOR FUSE DOOR ECU (INSIDE RIGHT FRONT DOOR) DRIVER DOOR ECU FRONT PASSENGER FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IOUT ILL- GND IR (UNDER RIGHT FRONT SEAT) J/C 24 (ON LEFT REAR OF LUGGAGE J/C 27 JC-23 LCTY LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LEFT REAR DOOR COURTESY LIGHT LEFT REAR DOOR COURTESY SWITCH (AT LEFT "C" PILLAR) J/C 21 LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REMOTE CONTROL MIRROR LGCY LGLP LIGHT FOOT LUGGAGE COMPARTMENT DOOR COURTESY SWITCH (LUGGAGE COMPARTMENT DOOR CLOSER MOTOR) LUGGAGE COMPARTMENT LIGHT 2 LUGGAGE DOOR LOCK SWITCH LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPT) MPX ORG/ WIRE OUTER OUTER FOOT LIGHT P DOOR FUSE P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE PNK/GRN WIRE REAR ARMREST COURTESY SWITCH (IN REAR SEAT) REAR CLIMATE CONTROL SEAT SWITCH REAR POWER SEAT CONTROL SWITCH (LEFT SIDE OF REAR SEAT) ILL+ REAR SUNSHADE SWITCH (IN CENTER OF REAR SEAT) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) RIGHT REAR DOOR COURTESY LIGHT RIGHT REAR DOOR COURTESY SWITCH (AT RIGHT RIGHT REAR DOOR ECU (INSIDE RIGHT REAR DOOR) RIGHT REMOTE CONTROL MIRROR RR DOOR LH FUSE RR DOOR RH FUSE RR ECU-B FUSE VIO WIRE W/ REAR POWER SEAT WHT WIRE WHT/BLK WIRE YEL WIRE

BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLU WIRE BLU/RED WIRE D P/SEAT FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) HOT AT ALL TIMES POWER SEAT CONTROL SWITCH (DRIVER'S SEAT LUMBAR SUPPORT) RED WIRE WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SGND 1 2 4 CSNF CSNR 28 9 20 21 29 MSWE BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE CLIMATE CONTROL SEAT ECU (DRIVER`S SEAT) (UNDER IDL CSNF SSRR SSFV SSRC PVCC CSNR SSRS SSRV SSRH IDL SYSB IG D P/SEAT FUSE DOWN DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SEAT ECU (BELOW LEFT SIDE OF DRIVER'S SEAT) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER'S SEAT CUSHION POWER SEAT MOTOR (LOWER LEFT SIDE OF DRIVER'S SEAT) DRIVER'S SEAT FRONT VERTICAL POWER SEAT MOTOR (LOWER LEFT SIDE OF DRIVER'S SEAT) DRIVER'S SEAT LIFTER POWER SEAT MOTOR (LOWER RIGHT SIDE OF DRIVER'S SEAT BOTTOM) DRIVER'S SEAT RECLINING POSITION SENSOR (IN LOWER LEFT SIDE OF DRIVER'S SEAT) DRIVING POSITION MEMORY SWITCH FUSE GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 21 (FORWARD OF LEFT REAR FENDER- WELL) J/C 22 (REARWARD OF LEFT REAR FENDER- WELL) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MMRY MPX-IG FUSE O/P ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK COMPUTER DATA LINES SYSTEM WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER SEAT CONTROL SWITCH (DRIVER'S SEAT CUSHION) POWER SEAT CONTROL SWITCH (DRIVER'S SEAT LUMBAR SUPPORT) REAR SEAT) REAR SEAT) RED WIRE RED/BLK WIRE RED/BLU WIRE VCC VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUDIO, REAR A/C CONTROL SWITCH BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BM (AT LEFT REAR QUARTERPANEL) BP (AT LEFT REAR SEAT BACK) BRN WIRE CLEARANCE SONAR ECU CLIMATE CONTROL SEAT ECU (DRIVER'S SEAT) CLIMATE CONTROL SEAT ECU (LEFT REAR SEAT) CLIMATE CONTROL SEAT SWITCH (REAR) REAR ARMREST COURTESY SWITCH DOOR LOCK SWITCH (LUGGAGE) DRIVER SEAT ECU FRONT SEAT) FUEL LID OPENER MOTOR HIGH MOUNTED STOP LIGHT J/C 21 (FORWARD OF LEFT REAR FENDERWELL) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPT LID) J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT FRONT BUCKLE SWITCH LEFT FRONT SEAT HEATER LEFT REAR COMBIN- ATION LIGHT LEFT REAR DOOR ECU DRIVER DOOR ECU LEFT REAR HEAD REST LIMIT SWITCH LEFT REAR SEAT ECU LEFT REAR SUSPENSION CONTROL ACTUATOR LEFT VIBRATION SEAT ECU LUGGAGE COMPARTMENT DOOR CLOSER MOTOR LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH LUGGAGE ELECTRICAL KEY SWITCH LUGGAGE OSCILLATOR (INNER) LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU LUGGAGE ROOM J/B ECU FUEL PUMP NOISE FILTER POWER SEAT CONTROL SWITCH (DRIVER'S SEAT CUSHION) POWER SEAT CONTROL SWITCH (DRIVER'S SEAT LUMBAR SUPPORT) POWER SEAT CONTROL SWITCH (REAR) POWER SEAT POSITION SENSOR (DRIVER'S SEAT CUSHION CONTROL) POWER SEAT POSITION SENSOR (REAR PASSENGER'S LEFT SEAT SLIDE CONTROL) REAR HEIGHT CONTROL VALVE REAR SUNSHADE CONTROL RELAY REAR SUNSHADE SWITCH (REAR) RIGHT REAR COMBIN- ATION LIGHT SGND TO LUGGAGE ROOM J/B (DIAGRAM 5 OF 5) W/ REAR AUDIO CONTROLLER W/ REAR POWER SEAT WHT WIRE WHT/BLK WIRE

BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLK/ORG WIRE D S/HTR FUSE DRIVER SEAT HEATER (IN LEFT FRONT SEAT) DRIVER SIDE J/B (AT LEFT KICK PANEL) FRONT SEAT) GRN WIRE HOT IN ON OR START IK (AT RIGHT SIDE OF DASH) IR (UNDER RIGHT J/C 14, 15 (BEHIND UPPER CENTER OF DASH) LT GRN WIRE ORG/ WIRE P S/HTR FUSE P-IG FUSE PASSENGER SEAT HEATER (IN RIGHT FRONT SEAT) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) RED WIRE SEAT HEATER SWITCH THL THR+ WHT WIRE WHT/BLK WIRE

5 25 LED- ASH+ 6 17 1 26 BDR 6 26 1 17 BDR ANTI-THEFT SYSTEM ASH- BDR BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLU WIRE BN (AT RIGHT REAR FLOOR PARTITION PANEL) CLEARANCE SONAR SWITCH (OUTER MIRROR SWITCH) (W/ PARKING ASSIST) COIN BOX ILLUMI- NATION COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) DRIVING POSITION MEMORY SWITCH FRONT PASSENGER DOOR ECU FUSE GRN WIRE GRN/ORG WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 22 (REARWARD OF LEFT REAR FENDERWELL) J/C 27 JC-21 LED LEFT FRONT INSIDE HANDLE ILLUMINATION LEFT REAR ASHTRAY ILLUMINATION LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REAR INSIDE HANDLE ILLUMINATION LEFT REAR SEAT MEMORY SWITCH LP SEID LT BLU WIRE MPX-IG FUSE P DOOR FUSE PANEL FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) D DOOR FUSE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH (OUTER MIRROR SWITCH) RHEOSTAT (LEFT SIDE OF DASH) RIGHT FRONT INSIDE HANDLE ILLUMINATION RIGHT REAR ASHTRAY ILLUMINATION RIGHT REAR DOOR ECU (INSIDE RIGHT REAR DOOR) RIGHT REAR INSIDE HANDLE ILLUMINATION RR DOOR LH FUSE RR DOOR RH FUSE TC RV TR+ VIO WIRE VIO/GRN WIRE W/ REAR POWER SEAT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 10 +B CLG SENS SGT 1 2 4 5 6 7 9 10 14 15 16 20 21 23 24 A- A+ 1 2 7 9 10 20 A- A+ LSW KUL KL CPSE 8 19 22 30 ML MUL PWS PWE BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE CAM POS CAM POS CLOSER MOTOR COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM CPSE KEYE POLE HALF DOOR LOCK MOTOR DRIVER SIDE J/B (AT LEFT KICK PANEL) FULL FULL LATCH SW GND SEL GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HALF LATCH SW JC-21 LEFT FRONT DOOR LOCK ACTUATOR ASSEMBLY LEFT FRONT DOOR OSCILLATOR (IN LEFT FRONT DOOR) LEFT FRONT DOOR OUTSIDE HANDLE LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY (W/ DOOR CLOSER) LOCK POS SW CAM POS LSW KUL KL LT BLU WIRE ORG/ WIRE PAWL SW PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER WINDOW MASTER SWITCH 8 18 6 10 ML MUL PW RED WIRE RED/BLK WIRE RED/BLU WIRE SEL OSCE CTY SGT TRG+ UN LK VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

14 3 26 DSDN DSUP DSE 14 3 26 PSDN PSUP PSE 3 2 1 UL UP DW 4 6 26 1 CPUB BDR BANC BES BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM D B/ANC FUSE DBM+ DOWN DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) II (AT RIGHT SIDE OF SHIFT LEVER) IK (AT RIGHT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 21 (FORWARD OF LEFT REAR FENDERWELL) LEFT FRONT SHOULDER BELT ADJUST SWITCH LT BLU WIRE MPX MPX-IG FUSE P B/ANC FUSE P DOOR FUSE FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PBM+ PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT SHOULDER BELT ADJUST SWITCH SHOULDER BELT ANCHOR MOTOR (RIGHT) (NEAR CENTER OF RIGHT "B" PILLAR) SIG VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE