Lexus IS I (1999-2005) lt grn/blk Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 VYS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 WA ABS IND. BAT TRIG BJ (AT LEFT FRONT FLOOR PANEL) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE IND BRAKE PEDAL LOAD SENSING SWITCH BRL ENG+ TS TRC+ BRN WIRE BRN/WHT WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM D/G DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE ENG ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) FRO VSCW RR- RR+ GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GSS GYAW HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IE (AT LEFT FRONT FLOOR PANEL CENTER) IH (AT RIGHT SIDE OF FIREWALL) JUNCTION CONNECTOR 6 (BEHIND LEFT SIDE OF DASH, FORWARD OF INSTRUMENT CLUSTER) JUNCTION CONNECTOR 7 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT REAR ABS SPEED SENSOR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE NCA WIRE NEO PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK ENG- WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR ABS SPEED SENSOR SKID CONTROL ECU (LEFT SIDE OF DASH) SLIP IND SPEED- DOMETER STEERING SENSOR (AT BASE OF STEERING COLUMN) STOP FUSE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) STP WT BZ IND TRAC OFF IND TRAC OFF SWITCH TRC+ TRC- PKB RL+ RL- +BO VSC IND VSC WARNING BUZZER VYS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YAW RATE SENSOR YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YSS FSW- FSW+ TRIG CSW

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

+B +BM STT- MREL IGSW 1 2 4 5 6 7 8 13 17 EOM EC BATT 3 4 13 14 20 21 31 32 33 34 35 TC STP D/CLSW 4 A/T BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CL CL+ COMPUTER DATA LINES SYSTEM CRUISE CONTROL CLUTCH SWITCH DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EA (AT FRONT OF INTAKE MANIFOLD) EC (AT LEFT FENDER APRON) EFI RELAY ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPT) ENGINE ROOM 2 R/B (ON RIGHT REAR OF ENGINE COMPT) ETCS FUSE EFI FUSE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START GAUGE FUSE ECU- IG FUSE IH (AT RIGHT SIDE OF FIREWALL) J/C 4 (ON LEFT SIDE OF ENGINE COMPT, NEAR ENGINE CONTROL MODULE) JUNCTION CONNECTOR 1, 2 JUNCTION CONNECTOR 1, 2 (NEAR ENGINE CONTROL MODULE) JUNCTION CONNECTOR 6 (BEHIND LEFT SIDE LT GRN/BLK WIRE M- M+ M/T NCA WIRE OF DASH, FORWARD OF INSTRUMENT CLUSTER) ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON RIGHT SIDE OF TRANSMISSION) PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) IGN FUSE PASSENGER SIDE J/B (BEININD LOWER RIGHT END OF DASH) PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE STOP FUSE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TRANSMISSION CONTROL SWITCH (SHIFT LOCK CONTROL ECU) 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 +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

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/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN (OR WHT/BLK) WIRE BRN WIRE BRN/YEL (OR BRN) WIRE BRN/YEL WIRE EA (FRONT SIDE OF INTAKE MANIFOLD) ECC SFTD ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM R/B 3 (ON LEFT SIDE OF ENGINE COMPT) FUEL PMP RELAY GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE IGN FUSE IH (AT RIGHT SIDE OF FIRE- WALL) J/C 15 (ON LEFT SIDE OF LUGGAGE COMPT) J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) LT GRN/BLK WIRE MPX PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK 17 18 19 20 WIRE PNK WIRE PWR RED/BLU WIRE RED/WHT WIRE SFTU SNOW VSV (ACIS) (ON LEFT SIDE OF ENGINE) VSV (CANISTER CLOSED VALVE) (ON RIGHT FRONT OF ENGINE) VSV (PRESSURE SWITCHING VALVE) (UNDER CENTER REAR OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

ACIS BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CCV DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EA (FRONT SIDE OF INTAKE MANIFOLD) EB (CENTER SIDE OF INTAKE MANIFOLD) ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) EVG GAUGE FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IGF IGNITION SWITCH IGT J/C 5 (BEHIND LEFT END OF DASH) LOCK LT GRN/BLK WIRE MASS AIRFLOW METER (ON RIGHT SIDE OF ENGINE COMPT, BEHIND AIR BOX) PNK WIRE PSP RED WIRE RED/BLU WIRE RED/WHT WIRE STOP FUSE THA UNLOCK WARNING SWITCH VIO WIRE VOUT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

A (OR D) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED 5 6 7 8 9 BRN (OR BRN/YEL) WIRE BRN WIRE COMBINATION METER EA (FRONT SIDE OF INTAKE MANIFOLD) FUEL INJECTOR 1 FUEL INJECTOR 5 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 6 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/BLK WIRE IGF IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 J/C 16 (ABOVE RIGHT REAR FENDERWELL) LT GRN WIRE LT GRN/BLK WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE SPEEDOMETER TACHOMETER VIO WIRE WHT WIRE WHT/BLU WIRE YEL/GRN 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

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED BRAIDED 24 25 26 27 28 29 BRN WIRE CAMSHAFT POSITION SENSOR (ON LEFT REAR OF CYL HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (ON LEFT FRONT OF CYL HEAD) COOLING FANS SYSTEM CRANKSHAFT POSITION SENSOR (ON RIGHT SIDE OF ENGINE) EB (CENTER SIDE OF INTAKE MANIFOLD) ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE OIL PRESSURE SWITCH (ON LEFT FRONT OF ENGINE) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE KNOCK SENSOR 1 (ON LEFT FRONT OF ENGINE BLOCK) KNOCK SENSOR 2 (ON LEFT REAR OF ENGINE BLOCK) LT GRN WIRE LT GRN/BLK WIRE M- M+ NCO+ NCO- NE- NE+ OCV- OCV+ MOPS FAN CL- CL+ PRG OIL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SLT- SLT+ SLU- SLU+ SLN- SLN+ MOL THROTTLE CONTROL MOTOR (ON THROTTLE BODY) THROTTLE POSITION SENSOR (ON THROTTLE BODY) VEHICLE SPEED SENSOR (ON LEFT REAR OF TRANS) VIO WIRE VSV (EVAP) (ON TOP REAR OF ENGINE) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE