Lexus IS I (1999-2005) org/ 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

3 2 5 1 PRG RDA +B 5 18 BDM TX A/C CONTROL ASSEMBLY BACK DOOR COURTESY SWITCH BJ (AT LEFT FRONT FLOOR PANEL) BK (AT RIGHT FRONT FLOOR PANEL) BL SEDAN BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/WHT WIRE COMBINATION METER DOOR IND 17 15 19 DOOR ON OFF ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, IN PROTECTIVE CASE) GRN/BLK WIRE GRN/RED WIRE GRY/BLU WIRE IE (AT LEFT FRONT FLOOR PANEL CENTER) INTERIOR LIGHT) J/C 11 (IN LEFT FRONT DOOR) J/C 15 (BEHIND LEFT FENDERWALL) J/C 15 (BEHIND LEFT FENDERWELL) LEFT FRONT DOOR KEY LOCK, UNLOCK SWITCH, DOOR LOCK DETECTION SWITCH LEFT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY SWITCH LEFT VANITY LIGHT LOCK LOCK DECECT LSWD KUL KL LT GRN/BLK WIRE LUGGAGE COMPARTMENT DOOR COURTESY SWITCH LUGGAGE COMPARTMENT LIGHT MPX ORG/ WIRE PERSONAL LIGHT (MOON ROOF CONTROL SWITCH) (W/ MOON ROOF) PERSONAL LIGHT (W/O MOON ROOF) POWER WINDOW MASTER SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT VANITY LIGHT SEDAN WAGON THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) UNLK WAGON WAGON SEDAN WHT WIRE WHT/BLK WIRE WIRE TO FFC HOLDER WIRELESS DOOR LOCK CONTROL RECEIVER YEL WIRE YEL/RED WIRE

A/T ACCEL POSITION SENSOR (ON CENTER REAR OF ENGINE, ON THROTTLE BODY) BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CONTROL MODULE) JUNCTION CONNECTOR 4 CONTROL MODULE) JUNCTION CONNECTORS 1, 2 CRUISE CRUISE CONTROL SWITCH CRUISE IND DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EA (AT FRONT OF INTAKE MANIFOLD) EB (AT CENTER LEFT SIDE OF INTAKE MANIFOLD) GRN/YEL WIRE HOT AT ALL TIMES IE (AT LEFT FRONT FLOOR PANEL CENTER) IG+ SE IH (AT RIGHT SIDE OF FIREWALL) JUNCTION CONNECTOR 7 (BEHIND UPPER M/T MPX-B FUSE OBD FUSE ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RES/ACC SET/COAST SKID CONTROL ECU SPEEDOMETER THROTTLE POSITION SENSOR (ON THROTTLE BODY) VEHICLE SPEED SENSOR (COMBINATION METER) (M/T) VIO WIRE WHT/BLK WIRE WHT/RED WIRE

A/C CONTROL ASSEMBLY MPX+ BLK WIRE BLU WIRE BODY ECU DFG COMBINATION METER MPX+ DEFOGGER, MIRROR HEATER SWITCH MPX- DEICER RELAY DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EC (AT LEFT FENDER APRON) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) FR DEF FUSE FRONT WINDOW DIECER GAUGE FUSE HOT AT ALL TIMES HOT IN ON OR START MPX ORG/ WIRE THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) WHT WIRE WHT/BLK 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

13 14 FE FR 3 1 PKB MPX- 8 18 +B GND A/C CONTROL ASSEMBLY A/T ABS IND. ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM BEAM IND BEAM LEVEL IND BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BODY ECU BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRL PKB VSCW BRN WIRE BRN/WHT WIRE BUZZER CHARGE IND COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DOOR IND DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DRIVER SIDE SIDE J/B (BEHIND LOWER LEFT END OF DASH) ECT PWR IND ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE CONTROLS SYSTEM ENGINE CONTROLS, NAVIGATION SYSTEM ENGINE OIL LEVEL SENSOR (ON LOWER LEFT FRONT OF ENGINE) ENGINE OIL PRESSURE SWITCH (ON LEFT FRONT OF ENGINE) FUEL FUEL IND FUEL SENDER (SUB) (UNDER RIGHT SIDE OF VEHICLE, FORWARD OF RIGHT FENDERWELL) FUEL SENDER (UNDER LEFT SIDE OF VEHICLE, FORWARD OF LEFT FENDERWELL) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOT W/ TAIL RELAY ENERGIZED ID (AT LEFT SIDE OF FIREWALL) IE (AT LEFT FRONT FLOOR PANEL CENTER) IG+ SI SE 3 2 IH (AT RIGHT SIDE OF FIREWALL) ILLUMINATION JUNCTION CONNECTOR 10 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 5 (ABOVE DRIVER SIDE J/B) JUNCTION CONNECTOR 6 (FORWARD OF INSTRUMENT CLUSTER) JUNCTION CONNECTOR 7 (BEHIND UPPER RIGHT SIDE OF DASH) LBL LCD SPEEDOMETER LT GRN WIRE LT GRN/BLK WIRE M/T MALFUNCTION INDICATOR LAMP MOL MOMENTARY FUEL CONSUMPTION MOPS MPX MPX-B FUSE OIL LEVEL IND OIL PRESSURE IND ORG/ WIRE OUT SIDE TEMP GAUGE PANEL FUSE 7.5 PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) SRS-B FUSE RADIO 2 FUSE REAR LIGHTS IND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SEAT BELT IND SECURITY IND SKID CONTROL ECU SLIP IND SNOW IND SRS IND TACHOMETER TRAC OFF IND TURN LH IND TURN RH IND VEHICLE SPEED SENSOR (COMBINATION METER) (ON LEFT REAR OF TRANSMISSION) VIO/GRN WIRE VOLT VSC IND WATER TEMP WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+B AUI- AUO- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AUI+ AUO+ 1 2 3 4 5 6 7 8 9 10 VR 2 1 (A/T) (M/T) 2 5 3 1 4 6 ILL ILL 3 2 (A/T) (M/T) 8 1 FL- FL+ A/T A/T M/T BK (AT RIGHT FRONT FLOOR PANEL) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLUTCH COMBINATION METER CTX+ VG CTX- CTX- CTX+ NAVI-MUTE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DRIVER SIDE J/B GAUGE FUSE (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT IN ACC OR ON HOT IN ON OR START IE (AT LEFT FRONT FLOOR PANEL CENTER) IF (AT RIGHT FRONT PANEL CENTER) IG SPD GTX+ J/C 1, 2 (ON LEFT SIDE OF ENGINE COMPT, NEAR ENGINE CONTROL MODULE) J/C 16 (ABOVE RIGHT REAR FENDERWALL) J/C 19 J/C 6 (BEHIND LEFT SIDE OF DASH, FORWARD OF INSTRUMENT CLUSTER) J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT FRONT DOOR SPEAKER LEFT TWEETER M/T M/T A/T MULTI-DISPLAY NAVI NAVIGATION ECU NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK WIRE RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REMOTE CONTROLLER REV MUTE SE SI IG+ SEDAN SKID CONTROL ECU STARTER FUSE STEREO COMPONENT AMPLIFIER (BEHIND RIGHT END OF DASH) SWITCH SYNC TC PKB GTX- THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) TV FUSE VEHICLE SPEED SENSOR (COMBINATION METER) (M/T) VIO WIRE WAGON WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

ALT FUSE BLK WIRE BLU WIRE BM (AT LEFT UPPER SIDE OF BACK PANEL) NOISE FILTER (REAR WINDOW DEFOGGER) BODY ECU DFG COMBIN -ATION METER MPX- DEFOGGER, MIRROR HEATER SWITCH (A/C CONTROL ASSEMBLY) MPX- MHTR DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/ORG WIRE HOT AT ALL TIMES HOT IN ON OR START IH (AT RIGHT SIDE OF FIREWALL) J/C 11 (IN LEFT FRONT DOOR) J/C 5 (BEHIND LEFT END OF DASH) LEFT MIRROR HEATER (LEFT REMOTE CONTROL MIRROR) MIR HTR FUSE MIR HTR RELAY MPX NOISE FILTER (DEF CDS) ORG/ WIRE PASSENGER SIDE J/B (BELOW LOWER RIGHT END OF DASH) PASSENGER SIDE J/B (BELOW LOWER RIGHT END OF DASH) REAR WINDOW DEFOGGER RED WIRE RIGHT MIRROR HEATER (RIGHT REMOTE CONTROL MIRROR) RR DEF FUSE RR DEF RELAY THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) WAGON SEDAN WHT WIRE WHT/BLK WIRE

+B +BM A/C SYSTEM ACCEL POSITION SENSOR (ON CENTER REAR OF ENGINE, ON THROTTLE BODY) ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CIRCUIT OPENING RELAY CLSW 4 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 CODE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) EC (AT LEFT FENDER APRON) EFI FUSE ETCS FUSE EFI RELAY ENG ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM R/B 1 (ON RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (ON RIGHT REAR OF ENGINE COMPT) FPS GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES IH (AT RIGHT SIDE OF FIREWALL) IMLD CODE J/C 1, J/C 2 (NEAR ECM) J/C 3 (NEAR ECM) KSW STA MREL FC FPR ACMG IGSW LT GRN WIRE LT GRN/BLK WIRE NEO NEO TBP SPD 2 PNK WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK 17 18 19 20 WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PTNK RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RXCK SIL SKID CONTROL ECU (BEHIND LEFT END OF DASH) STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACH TC STP SFTD SFTU TRC+ TRC+ ENG+ TRC- ENG- CCS PNK WIRE TXCT VAPOR PRESSURE SENSOR (UNDER CENTER REAR OF VEHICLE) VCC VIO WIRE W/M/T WFSE WFSE TXCT RXCK PTNK WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED 24 25 26 27 28 29 BRAIDED BRAIDED BRAIDED 5 6 7 8 9 BRN WIRE EC (AT LEFT FENDER APRON) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON LEFT SIDE OF TRANSMISSION) ENGINE OIL LEVEL SENSOR (ON LOWER LEFT FRONT OF ENGINE) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE LEVEL LT GRN WIRE LT GRN/BLK WIRE NSSD O/D DIRECT CLUTCH SPEED SENSOR (ON LEFT SIDE OF TRANS) ORG/ WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SLN- SLT- SLU+ TEMP TRANSMISSION CONTROL SWITCH (D-4) (INTEGRAL TO SHIFT LOCK CONTROL ECU) TRANSMISSION CONTROL SWITCH (L-2) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE