Lexus LS III facelift (2003-2006) j/c 21 (forward of left rear fenderwell) Wiring diagrams

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

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

BDR BLK WIRE BLK/RED WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CPUB D DOOR FUSE DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE HOT AT ALL TIMES HOT IN ON OR START HTR IR (UNDER RIGHT FRONT SEAT) BL (AT LEFT REAR FLOOR PARTITION PANEL) J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 21 (FORWARD OF LEFT REAR FENDERWELL) LEFT REMOTE CONTROL MIRROR MIRROR HEATER MPX-IG FUSE P DOOR FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLU WIRE RED WIRE RED/BLU WIRE RIGHT REMOTE CONTROL MIRROR MIRROR HEATER SIG VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL 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