Lexus GS III (2004-2007) a/c control assembly (behind center of dash) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 B+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TSPA TE TPO A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/C DUAL PRESSURE SWITCH A/C ROOM TEMPERATURE SENSOR (BEHIND CENTER A/C SOLAR SENSOR (AT UPPER RIGHT SIDE OF DASH) A/C THERMISTOR (BEHIND CENTER OF DASH) AIF AIR MIX CONTROL SERVO MOTOR (DRIVER) (BEHIND CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND RIGHT SIDE OF DASH) AOF AMHDR AMHPA TSDR TPDR TPPA BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE DGS BLW MPX+ TPI DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ETAM TAM ACMG PRE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE GS 430 GS 300 HOT AT ALL TIMES HOT IN ACC OR ON II (AT RIGHT SIDE OF DASH) ILL TR SG-1 MPX- TEL IN SG-4 SG-3 ILL AIR GND INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 18 (BEHIND RIGHT KICK PANEL) LCKI LT GRN WIRE LT GRN/RED WIRE MFRS OF DASH) OF ENGINE COMPT, IN ECU BOX) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SG-5 AOD AMCDR AMCPA TELEPHONE TRANSCEIVER, SPEAKER RELAY (AT RIGHT SIDE OF LUGGAGE COMPARTMENT) TELI THW (GS 430) ETHW TPI MREC SG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

2 1 +B 6 7 TRLY DBKL A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ANTI-LOCK BRAKES SYSTEM BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BODY ECU 2 (IN DRIVER SIDE J/B) BRN/BLK WIRE COMBINATION METER DOOR LOCKS SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM WARNING SYSTEM INSTRUMENT CLUSTER SYSTEM GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GND CLTE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT IN ON OR START IG CLTB CLTS BLVL FFGO ILE STPI HEAD INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM JUNCTION CONNECTOR 15 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 9 (BEHIND LEFT SIDE OF DASH) LT GRN/BLK WIRE MIRRORS SYSTEM MPX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE STEERING PAD SWITCH (COMBINATION SWITCH) TAIL AUTO LF KSW MIRE MIRS MIRB HRLY ALTL ACAN TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/RED WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ALT FUSE ALT-S FUSE BATTERY BATTERY GROUND BLK WIRE BLU WIRE COMBINATION METER CHARGE WARNING LIGHT DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FUSE GAUGE FUSE GENERATOR GS 430 GS 300 IGNITION SWITCH II (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 1 (IN ECU BOX) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) LOCK OFF MPX NCA WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE RUN WIRE TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLU WIRE YEL WIRE

1 2 GS 300 GS 430 A/C COMP RELAY A/C CONDENSER FAN MOTOR (ON FRONT LEFT SIDE OF RADIATOR) A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/C SINGLE PRESSURE SWITCH ACMG AIR CONDITIONING SYSTEM BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BRN WIRE CDS FAN FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EB (AT MIDDLE OF LEFT INNER FENDER PANEL) EE (UNDER ABS, TRAC, VSC ACTUATOR) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE MAIN RELAY ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM R/B 3 (ON LEFT SIDE OF ENGINE COMPT, FRONT OF STRUT TOWER) ETHW (GS 430) (GS 300) FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FAN MAIN FUSE GRN/YEL WIRE GS 300 (IN ENGINE HARNESS, AT LEFT REAR TOP OF ENGINE) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR RELAY IG (AT LEFT SIDE OF DASH) IGN FUSE IN ECU BOX) JUNCTION CONNECTOR 13 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 14 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 5 (IN ENGINE ROOM R/B 2) MPX ORG/ WIRE PASSENGER SIDE R/B (BEHIND RIGHT KICK PANEL) RADIATOR FAN MOTOR (AT LEFT FRONT OF ENGINE COMPT) RDI FAN FUSE RED WIRE RED/BLU WIRE WATER TEMPERATURE SWITCH (AT FRONT OF ENGINE COMPT, BEHIND LEFT SIDE OF GRILLE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE

6 11 DFG GND A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ALT FUSE BLK WIRE BLK/ WHT WIRE BLU WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START II (AT RIGHT SIDE OF DASH) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 6 (BEHIND LEFT KICK PANEL) LEFT REMOTE CONTROL MIRROR HEATER MIR HTR FUSE MIR RELAY MPX RED/ WHT WIRE RED/BLU WIRE RIGHT REMOTE CONTROL MIRROR HEATER WHT RED/ WIRE WHT WIRE WHT/BLK WIRE

5 12 11 4 GTX+ GTX- 5 16 MPX+ MPX- A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) BODY ECU 2 (IN DRIVER SIDE J/B) BRN WIRE CENTER AIR BAG COMBINATION METER DRIVER DOOR ECU (IN DRIVER'S DOOR) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) LEFT REAR DOOR ECU (IN LEFT REAR DOOR MOON ROOF CONTROL ECU (IN FRONT OF MOON ROOF OPENING) MULTI-DISPLAY ORG/ WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) RADIO, PLAYER RED/BLU WIRE RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SENSOR ASSEMBLY (BEHIND CENTER OF DASH, FORWARD OF CENTER CONSOLE) STEERING PAD SWITCH (COMBINATION SWITCH) TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) W/ MEMORY W/ NAVIGATION W/O MEMORY W/O NAVIGATION WHT WIRE YEL WIRE

A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/T SHIFT POSITION ILLUMINATION ANTI-THEFT SYSTEM BJ (AT LEFT REAR FLOOR PARTITION PANEL) BL (AT RIGHT REAR FLOOR PARTITION PANEL) BODY ECU 2 (IN DRIVER SIDE J/B) CIGARETTE LIGHTER COMBINATION METER DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH GLOVE BOX LIGHT GLOVE BOX LIGHT SWITCH GRN WIRE GRN/RED WIRE HAZARD SWITCH HEADLIGHT CLEANER SWITCH (CANADA) HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 13 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 16 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) IF LEFT REAR ASHTRAY ILLUMINATION LEFT REAR DOOR ECU (IN LEFT REAR DOOR LIGHT CONTROL SWITCH COMBINATION SWITCH LT GRN WIRE MIRROR RETRACTION SWITCH MULTI-DISPLAY OFF PANEL FUSE RADIO, PLAYER RED/WHT WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH RHEOSTAT (SECURITY INDICATOR LIGHT) RIGHT REAR ASHTRAY ILLUMINATION RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SEAT HEATER SWITCH TAIL TAIL RELAY VIO WIRE VSC OFF SWITCH WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

6 11 DFG GND A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) DEF RELAY DEFOG FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START II (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 13 (BEHIND LEFT SIDE OF DASH) MPX NOISE FILTER NOISE FILTER (REAR WINDOW DEFOGGER) (AT LEFT FRONT CORNER OF LUGGAGE COMPT) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE R/B (BEHIND RIGHT KICK PANEL) REAR WINDOW DEFOGGER RED WIRE RED/BLU WIRE WHT WIRE WHT/BLK WIRE