Lexus IS I (1999-2005) a/c control assembly Wiring diagrams

+B IGSW +BM SIL STA 13 4 1 2 5 6 17 7 26 12 MREL BATT EOM EC 24 26 27 32 1 2 3 THW EVG VG THA 4 34 20 3 22 21 5 6 STP A/C CONTROL ASSEMBLY A/T SHIFT MAIN SWITCH (INTEGRAL TO COMBINATION SWITCH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EA (FRONT OF INTAKE MANIFOLD) EB (CENTER SIDE OF INTAKE MANIFOLD) EC (LEFT FRONT FENDER APRON) EFI FUSE EFI RELAY ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (ON LEFT FRONT OF ENGINE) ENGINE ROOM R/B 1 (ON RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (ON RIGHT REAR OF ENGINE COMPT) ETCS FUSE EVG GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN FUSE IH (BEHIND RIGHT KICK PANEL) IH (RIGHT SIDE OF FIREWALL) J/C 3 (NEAR ECM) J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) LT GRN WIRE MASS AIRFLOW METER (RIGHT SIDE OF ENGINE COMPT, BEHIND AIR BOX) MPX ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PWR RED WIRE RED/WHT WIRE SFTD SFTU SIL SNOW SNOW PWR STARTING/ CHARGING SYSTEM STOP FUSE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TC WFSE THA WFSE WHT WIRE WHT/BLK WIRE

A/C CONTROL ASSEMBLY ALT FUSE ALT-S FUSE BATTERY BATTERY GROUND BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN/WHT WIRE CHARGE INDICATOR COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GENERATOR IG HOT AT ALL TIMES HOT IN ON OR START IE (AT LEFT FRONT FLOOR PANEL CENTER) MPX MPX-B FUSE NCA WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RED/BLU WIRE RED/YEL WIRE THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) WHT/BLU WIRE

A/C CONTROL ASSEMBLY BACK DOOR COURTESY SWITCH, OPENER MOTOR (AT CENTER REAR OF LUGGAGE COMPT) BLU WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) CG SIL DOME FUSE EB (AT CENTER LEFT SIDE OF INTAKE MANIFOLD) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN GRN/YEL WIRE HOT AT ALL TIMES IH (AT RIGHT SIDE OF FIREWALL) JUNCTION CONNECTOR 12 (ABOVE LEFT REAR FENDERWELL) JUNCTION CONNECTOR 17 (ABOVE LEFT REAR FENDERWELL) LUGGAGE COMPT DOOR COURTESY SWITCH, OPENER MOTOR MPX MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PROTECTIVE CASE) RED/YEL WIRE SEDAN THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) WAGON WHT WIRE WHT/BLK WIRE

3 6 DBKL DCTY A/C CONTROL ASSEMBLY BJ (AT LEFT FRONT FLOOR PANEL) BJ (AT LEFT FRONT FLOOR PANEL) BEHIND LEFT FENDERWELL) BL BK (AT RIGHT FRONT FLOOR PANEL) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BODY ECU (BEHIND LOWER LEFT END OF DASH, INTEGRAL WITH DRIVER SIDE J/B) BRN/WHT WIRE BSUB BUZZER CENTER) IE COMBINATION METER COMPUTER DATA LINES SYSTEM DOOR FUSE DOOR IND DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) GAUGE FUSE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START J/C 13 (ABOVE LEFT REAR FENDERWELL) J/C 15 (ON LEFT SIDE OF LUGGAGE COMPT) J/C 5 (BEHIND LEFT SIDE OF DASH, ABOVE DRIVER SIDE J/B) J/C 6 (BEHIND LEFT SIDE OF DASH) LEFT BUCKLE SWITCH LEFT FRONT DOOR COURTESY SWITCH LT GRN WIRE LT GRN/BLK WIRE MPX MPX-B FUSE SRS-B FUSE ORG/ WIRE P-S/B PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK WIRE PNK/BLK WIRE PNK/GRN WIRE RADIO 2 FUSE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT BUCKLE SWITCH, SEAT BELT WARNING OCCUPANT DETECTION SENSOR SEAT BELT IND THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) UNLOCK WARNING SWITCH W/ POWER SEAT W/ POWER SEATS W/O POWER SEATS WAGON SEDAN WHT WIRE WHT/BLK WIRE YEL WIRE