Lexus LS III (2000-2003) heater control switch (w/ navigation) (part of multi-display) Wiring diagrams

10 3 TX- TX+ 10 9 RTX+ RTX- 2 5 3 6 ATX+ ATX- TXS+ TXS- 21 9 20 8 TXS- TXS+ ATX- ATX+ 3 2 1 +B SI GND 5 15 TX+ TX- 5 18 MTX+ MTX- 6 1 TX- TX+ A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) A/C ROOM TEMP SWITCH (DRIVER) (CENTER OF DASH) A/C ROOM TEMP SWITCH (PASSENGER) (CENTER OF DASH) A/C SOLAR SENSOR (FRONT) A/C SOLAR SENSOR (REAR) A/C SOLENOID (RIGHT SIDE OF ENGINE) AUDIO, REAR A/C CONTROL SWITCH (W/ REAR CONTROLS) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLOWER MOTOR (LOWER RIGHT SIDE OF DASH) BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BRN/RED WIRE CLOCK (W/O NAVIGATION) COMBINATION METER COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGS TSRR DOME FUSE DOWN DRIVER SIDE J/B (LEFT KICK PANEL) A/C FUSE DUAL DUIND+ DRGND PAGND DUIND- FUSE FUSIBLE LINK BLOCK (RIGHT REAR OF ENGINE COMPT) HEATER FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GND MPX+ GND TC MPX+ MPX- GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GTX+ GTX- HEATER CONTROL SWITCH (W/ NAVIGATION) (PART OF MULTI-DISPLAY) HEATER CONTROL SWITCH (W/O NAVIGATION) (CENTER OF DASH) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG B+ IND INSTRUMENT PANEL REGISTER J/C 10 (BEHIND CENTER OF DASH) J/C 12, J/C 13 (BEHIND CENTER OF DASH) J/C 14, J/C 15 (BEHIND CENTER OF DASH) J/C 16, J/C 17 (BEHIND CENTER OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MPX- BLW SOL+ SOL- RDFGR IG MPX-IG FUSE ORG/ WIRE P-ACC FUSE P-IG FUSE P/SB PASSENGER SIDE J/B (RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PRS TAMOUT PADN PAUP DRDN DRUP RADIO, PLAYER RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE STEREO COMPONENT AMPLIFIER STEREO COMPONENT TUNER TAMO TSDR TSPA +B VIO WIRE VIO/RED WIRE VIO/WHT WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

+B GND TSRR MPX- 1 3 8 GND MPX+ MPX- 10 3 TX- TX+ 10 9 RTX+ RTX- 2 5 3 6 ATX+ ATX- TXS+ TXS- 21 9 20 8 TXS- TXS+ ATX- ATX+ 5 15 TX+ TX- 5 18 MTX+ MTX- 5 6 4 14 MPX-B HIC MPX-IG P-GND 6 1 TX- TX+ A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C SOLAR SENSOR (REAR) AUDIO, REAR A/C CONTROL SWITCH BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COOL BOX ILLUM REAR DAMPER SERVO MOTOR DIO DOME FUSE DRIVER SIDE J/B (LEFT KICK PANEL) A/C FUSE EXO FUSE FUSIBLE LINK BLOCK (RIGHT REAR OF ENGINE COMPT) LUG J/B FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GTX+ GTX- HEATER CONTROL SWITCH (W/ NAVIGATION) (PART OF MULTI-DISPLAY) HEATER CONTROL SWITCH (W/O NAVIGATION) (CENTER OF DASH) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG B+ J/C 10 (BEHIND CENTER OF DASH) J/C 12, J/C 13 (BEHIND CENTER OF DASH) J/C 14, J/C 15 (BEHIND CENTER OF DASH) J/C 16, J/C 17 (BEHIND CENTER OF DASH) J/C 23 (REARWARD OF LEFT REAR FENDEWRWELL) LT GRN WIRE LT GRN/RED WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) RR ECU-B FUSE LUGGAGE ROOM J/B ECU MPX- RMGV SMOK AUTO RHR RFR FRS SG MPX-IG FUSE P-ACC FUSE PASSENGER SIDE J/B (RIGHT KICK PANEL) P-IG FUSE PNK/GRN WIRE R-B RADIO, PLAYER RAUTO RDO REAR A/C AMPLIFIER REAR A/C UNIT REAR BLOWER RESISTOR REAR BLOWER MOTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RFR RHR RR A/C FUSE SFRS SMOKE SENSOR STEREO COMPONENT AMPLIFIER STEREO COMPONENT TUNER VIO WIRE VIO/GRN WIRE W/ NAV W/O NAV W/ NAVIGATION W/O COOLER W/ COOLER W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE