Lexus IS I (1999-2005) bn (at right upper side of back panel) Wiring diagrams

1 2 7 5 4 6 PRG RDA LGCY RCTY LSR DCTY 13 19 5 12 11 1 7 9 14 8 BDSU 3 4 1 IG BACKDOOR OPENER SWITCH (WAGON) BK (AT RIGHT FRONT FLOOR PANEL) BL (AT LEFT REAR QUARTERPANEL) BK (AT RIGHT FRONT FLOOR PANEL) BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BN (AT RIGHT UPPER SIDE OF BACK PANEL) BODY ECU (BEHIND LOWER LEFT END OF DASH, INTEGRAL WITH DRIVER SIDE J/B) BRN WIRE BSUB DOME FUSE DOOR FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EB (AT CENTER LEFT SIDE OF INTAKE MANIFOLD) ECU-IG FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ID (AT LEFT SIDE OF FIREWALL) IGNITION KEY CYLINDER LIGHT IH (AT RIGHT SIDE OF FIREWALL) J/C 15 (BEHIND LEFT FENDERWELL) J/C 16 (ABOVE RIGHT REAR FENDER- WELL) J/C 16 (ABOVE RIGHT REAR FENDERWELL) J/C 5 (ABOVE DRIVER SIDE J/B) J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR LOCK DETECTION SWITCH LT GRN WIRE LT GRN/BLK WIRE MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PCLP DCLP PML PMUL LSWP PCTY RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT DOOR LOCK CONTROL SWITCH RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK DETECTION SWITCH RIGHT REAR DOOR LOCK DETECTION SWITCH SEDAN SIL CG SG SRS-B FUSE 7.5 WAGON WHT WIRE WHT/BLK WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 HS- ST- T+ IL ALT FUSE BLK WIRE BLU WIRE BM (AT LEFT UPPER SIDE OF BACK PANEL) BN (AT RIGHT UPPER SIDE OF BACK PANEL) COMBINATION METER DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPARTMENT) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH MOUNTED STOP LIGHT HOT AT ALL TIMES HOT IN ON OR START JUNCTION CONNECTOR JUNCTION CONNECTOR 13 (ABOVE LEFT REAR FENDERWELL) JUNCTION CONNECTOR 15 (ON LEFT SIDE OF LUGGAGE COMPT, BEHIND JUNCTION CONNECTOR 17 (ABOVE LEFT REAR FENDERWELL) JUNCTION CONNECTOR 18 (IN REAR OF LIFTGATE) JUNCTION CONNECTOR 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER ID SIDE J/B) LEFT LEFT FENDERWELL) LEFT LICENSE PLATE LIGHT LEFT REAR COMBINATION LIGHT LIGHT LIGHT CONTROL SWITCH AUTO HEAD (COMBINATION SWITCH) OFF TAIL LIGHT FAILURE SENSOR (ON LEFT SIDE OF LUGGAGE COMPARTMENT) NOISE FILTER (STOP- LIGHT) (ABOVE LEFT REAR FENDER- WELL) PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) REAR LIGHTS WARNING LIGHT IND REAR SIDE MARKER LIGHT RED WIRE RED/BLU WIRE RIGHT RIGHT LICENSE PLATE LIGHT RIGHT REAR COMBINATION LIGHT ST+ IG T- STOP FUSE STOP LIGHT STOP LIGHT TAIL LIGHT STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TAIL FUSE TAIL RELAY TAIL- LIGHT THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) TAIL TURN SIGNAL TURN SIGNAL TAIL LIGHT LIGHT VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 9 10 11 12 13 14 20 21 22 TAIL CLTB IG 4 5 6 7 LSR RCTY DCTY LGCY ANTI-THEFT SYSTEM AUTOMATIC LIGHT CONTROL SENSOR (ON TOP LEFT SIDE OF DASH) BL (AT LEFT REAR QUARTERPANEL) BLK/RED WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BN (AT RIGHT UPPER SIDE OF BACK PANEL) BODY ECU (BEHIND LOWER LEFT END OF DASH, INTEGRAL WITH DRIVER SIDE J/B) BRN WIRE BSUB CLTB CLTE CLTS CLTS CLTE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DIMMER SWITCH DIODE (FOG LIGHT) DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DOOR FUSE FOGLIGHT SWITCH FUSE GRN WIRE GRN/ORG WIRE GRN/YEL WIRE HEAD HIGH HIGH LOW FLASH FLASH LOW HOT AT ALL TIMES HOT IN ACC OR RUN HOT W/ TAIL RELAY ENERGIZED JUNCTION CONNECTOR 15 (BEHIND LEFT FENDERWELL) JUNCTION CONNECTOR 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER SIDE J/B) LEFT REAR FOG LIGHT (LEFT REAR COMBINATION LIGHT) LIGHT CONTROL SWITCH MPX-B FUSE OFF ON OFF ON ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PCTY LSWP RADIO 2 FUSE REAR FOG LIGHT SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR FOG LIGHT (RIGHT REAR COMBINATION LIGHT) SEDAN SOLID STATE TAIL TAIL HEAD HEAD AUTO OFF OFF AUTO THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) W/ REAR FOG LIGHT W/O REAR FOG LIGHT WAGON WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BN (AT RIGHT UPPER SIDE OF BACK PANEL) COMBINATION SWITCH DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) HOT IN ON OR START ID (AT LEFT SIDE OF FIREWALL) JUNCTION CONNECTOR 5 OFF ON INT REAR WIPER MOTOR (IN CENTER REAR OF LIFTGATE) REAR WIPER RELAY +B REAR WIPER/ WASHER SWITCH RED WIRE WASH WASHER FUSE WIPER FUSE WASHER MOTOR (BELOW LEFT HEADLIGHT) WHT WIRE WHT/BLK WIRE

BACK DOOR COURTESY SWITCH, OPENER MOTOR (AT CENTER REAR OF LUGGAGE COMPT) BACK DOOR OPENER RELAY (ABOVE LEFT REAR FENDERWELL) BACK DOOR OPENER SWITCH BECU TR+ BLK WIRE BLU WIRE BLU/WHT WIRE BN (AT RIGHT UPPER SIDE OF BACK PANEL) BODY ECU BSUB DOOR FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES J/C 15 (ON LEFT SIDE OF LUGGAGE COMPT, BEHIND LEFT FENDERWELL) BL J/C 17 (ABOVE LEFT REAR FENDERWELL) J/C 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER SIDE J/B) LGCY MPX-B FUSE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RED WIRE RED/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE