Lexus LS III facelift (2003-2006) bp (at left rear seat back) Wiring diagrams

"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

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

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 +B SLD+ 30 8 9 7 4 MSWE CAN IND 5 3 1 SYSB PNK WIRE 7 18 20 CTY BLK WIRE BLK/RED WIRE BLU WIRE BN (AT RIGHT REAR FLOOR PARTITION PANEL) BP (AT LEFT REAR SEAT BACK) BRN/WHT WIRE CAN 7 8 3 SGND COMPUTER DATA LINES SYSTEM DOWN DRIVER SIDE J/B (AT LEFT KICK PANEL) FUSE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HDWN HOT AT ALL TIMES HRSW HUP GND SLD- IK (AT RIGHT SIDE OF DASH) IND J/C 23 (REARWARD OF LEFT REAR FENDERWELL) BM (AT LEFT REAR QUARTERPANEL) J/C 30 (REARWARD OF RIGHT REAR FENDERWELL) J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT REAR DOOR COURTESY SWITCH (AT LEFT "C" PILLAR) LEFT REAR HEAD REST LIMIT SWITCH (IN REAR SEAT ASSEMBLY) LEFT REAR SEAT MEMORY SWITCH LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) RRSW PNK/BLK WIRE PNK/BLU WIRE PVCC REAR DOOR ECU (LEFT) (INSIDE LEFT REAR DOOR) REAR DOOR ECU (RIGHT) (INSIDE RIGHT REAR DOOR) REAR SEAT CONTROL SWITCH REAR SEAT ECU (LEFT) (BEHIND LEFT SIDE OF REAR SEAT BACK) REAR SEAT ECU (RIGHT) (BEHIND RIGHT SIDE OF REAR SEAT BACK) REAR SEAT RESET SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT REAR DOOR COURTESY SWITCH (AT RIGHT "C" PILLAR) RIGHT REAR HEAD REST LIMIT SWITCH (IN REAR SEAT ASSEMBLY) RIGHT REAR SEAT MEMORY SWITCH RR SEAT (LH) FUSE RR SEAT (RH) FUSE SET- SGND SSRH SGND SSRS SSRS SEL SSRV SYSB VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 -B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MUTE L- L+ R- R+ 1 2 3 4 5 6 7 8 B+ 7 SPEAKER AUI+ AUI- AUO- AUO+ BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BO (AT RIGHT REAR QUARTERPANEL) BP (AT LEFT REAR SEAT BACK) BRN WIRE COMBINATION METER COMPT, BEHIND TRIM) FL+ FR+ FL- FR- RL- RR- GND RL- RR- GRN WIRE GRN/WHT WIRE GRY WIRE JUNCTION CONNECTOR 16, 17 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 30 LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER LEFT REAR DOOR SPEAKER LEFT REAR TWEETER (9 SPEAKER) LT BLU WIRE LT GRN WIRE NAVIGATION ECU (IF EQUIPPED) (ON LOWER RIGHT SIDE OF LUGGAGE COMPARTMENT) ORG/ WIRE PNK WIRE RED WIRE RIGHT FRONT TWEETER RIGHT REAR DOOR SPEAKER RIGHT REAR TWEETER (9 SPEAKER) STEREO COMPONENT AMPLIFIER (ON RIGHT SIDE OF LUGGAGE TDX- TDX+ N-MUT TFL TFR- TFL+ TFR+ B+ TMUT TX+ GND TX+ MTX+ TX- TX+ VIO WIRE VIO/WHT WIRE W/ NAVIGATION W/O NAVIGATION WFL- WFR- WHT WIRE WHT/BLK WIRE WHT/RED WIRE WOOFER YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 -B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MUTE L- L+ R- R+ 1 2 3 4 5 6 7 8 B+ 7 SPEAKER AUI+ AUI- AUO- AUO+ BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BO (AT RIGHT REAR QUARTERPANEL) BP (AT LEFT REAR SEAT BACK) BRN WIRE COMBINATION METER COMPT, BEHIND TRIM) FL+ FR+ FL+ FR+ RL+ RR+ FL+ FR+ GND RL- RR- FL- FR- GRN WIRE GRN/WHT WIRE GRY WIRE JUNCTION CONNECTOR 16, 17 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 30 (REARWARD OF RIGHT REAR FENDERWELL) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER LEFT REAR DOOR SPEAKER LEFT REAR TWEETER (9 SPEAKER) LT BLU WIRE LT GRN WIRE MTX- MTX+ NAVIGATION ECU (IF EQUIPPED) (ON LOWER RIGHT SIDE OF LUGGAGE COMPARTMENT) ORG/ WIRE PNK WIRE RED WIRE RIGHT FRONT TWEETER RIGHT REAR DOOR SPEAKER RIGHT REAR TWEETER (9 SPEAKER) STEREO COMPONENT AMPLIFIER (ON RIGHT SIDE OF LUGGAGE TMUT TX+ GND TX- MTX- RTX- RTX+ N-MU VIO WIRE VIO/WHT WIRE W/ NAVIGATION W/O NAVIGATION WFL- WFR- WHT WIRE WHT/BLK WIRE WHT/RED WIRE WOOFER YEL WIRE

5 3 1 SYSB PNK WIRE BLK WIRE BLU WIRE BP (AT LEFT REAR SEAT BACK) BQ (AT RIGHT REAR SEAT BACK) BRN WIRE D RR-IG 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 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REAR SEAT ECU (BEHIND LEFT SIDE OF REAR SEAT BACK) MPX LEFT VIBRATION SEAT ECU (BEHIND LEFT REAR SEAT BACK) IG STRT STOP LEFT VIBRATOR (IN LEFT REAR SEAT) P RR-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK PNK WIRE PNK WIRE PNK/ BP (AT LEFT REAR SEAT BACK) WIRE PNK/BLU WIRE RED WIRE RIGHT REAR DOOR ECU (INSIDE RIGHT REAR DOOR) RIGHT REAR SEAT ECU (BEHIND RIGHT SIDE OF REAR SEAT BACK) MPX RIGHT VIBRATION SEAT ECU (IN REAR SEAT ASSEMBLY) IG STRT STOP RIGHT VIBRATOR (IN RIGHT REAR SEAT) STRT STOP VIB+ VIB- VIBE VIBE VIB+ VIB- VIBRATION SWITCH (REAR SEAT CONTROL SWITCH) VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BP (AT LEFT REAR SEAT BACK) HOT AT ALL TIMES J/C 23 (REARWARD OF LEFT REAR FENDERWELL) J/C 26 (NEAR CENTER OF REAR SPEAKER SHELF, AT BASE OF REAR WINDOW) LE LMT MD MU LT BLU WIRE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF RSC LUGGAGE COMPT) ORG/ WIRE P-GND REAR SUNSHADE REV CONTROL RELAY (BELOW CENTER OF REAR SPEAKER FSW SHELF) REAR SUNSHADE SWITCH (FRONT) REAR SUNSHADE SWITCH (REAR) (IN CENTER OF REAR SEAT) RED WIRE RR S/SHADE FUSE RR S/SHADE RELAY RSS RSW VIO WIRE WHT WIRE WHT/BLK WIRE