Lexus IS I (1999-2005) passenger side j/b (behind lower right end of dash) Wiring diagrams

+BI MR MRF LBL- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SRLR ABS 1 FUSE (ON RIGHT REAR OF ENGINE COMPT) ABS 2 FUSE ABS MTR RELAY ABS SOL RELAY AST SRLH SFRR 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 BLU/YEL WIRE BRN/WHT WIRE EC (AT LEFT FENDER APRON) ENGINE ROOM 1 R/B ENGINE ROOM 2 R/B (ON RIGHT REAR OF ENGINE COMPT) FL- FL+ FR+ FR- FSS MT FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES ID (AT LEFT SIDE OF FIREWALL) IH (AT RIGHT SIDE OF FIREWALL) JUNCTION CONNECTOR 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER SIDE J/B) LEFT FRONT ABS SPEED SENSOR LT GRN WIRE NCA WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PMC PRESSURE SENSOR 1 PRESSURE SENSOR 2 RED WIRE RED/YEL WIRE RELAY RIGHT FRONT ABS SPEED SENSOR SFLH SFLR SRRH SRRR SR SFRH SKID CONTROL ECU (LEFT SIDE OF DASH) VCM VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

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 3 4 (5-6 NOT USED) 7 8 (9-11 NOT USED) 12 1 4 11 13 17 30 31 EOM BATT KSW MREL IGSW IMLD CODE A/C CONTROL ASSEMBLY BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE CODE COMBINATION METER DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) DOME FUSE MPX-B FUSE DOOR DL FUSE DSWH LUG NAVI EC (AT LEFT FENDER APRON) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE HOOD COURTESY SWITCH (ON FRONT CENTER OF ENGINE COMPT, NEAR HOOD LATCH) FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND HOT AT ALL TIMES HOT IN ON OR START IGN FUSE IH (AT RIGHT SIDE OF FIREWALL) IND IND SECURITY J/C 3 (NEAR ENGINE CONTROL MODULE) J/C 5 (ABOVE DRIVER SIDE J/B) J/C 6 (BEHIND LEFT SIDE OF DASH, FORWARD OF INSTRUMENT CLUSTER) J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) MPX MULTI- DISPLAY DR ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RXCK SH- SH HORN SIL CG THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) THEFT DETERRENT HORN (ON LEFT SIDE OF ENGINE COMPT, ON STRUT TOWER) TRANSPONDER KEY AMPLIFIER (ON STEERING COLUMN, NEAR IGNITION SWITCH) TXCT TXCT RXCK UNLOCK WARNING SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 HAZD AIF AOD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 MPX- 1 2 M+ M- 16 25 18 ACMG PRE TAM 3 2 1 +B SI GND A/C AMBIENT TEMPERATURE SENSOR (BEHIND LEFT A/C COMP RELAY A/C CONDENSER FAN MOTOR A/C CONTROL ASSEMBLY A/C DIODE (BEHIND RIGHT END OF DASH) A/C FUSE A/C MAGNETIC CLUTCH, LOCK SENSOR (ON LEFT FRONT OF ENGINE, ON A/C COMPRESSOR) A/C THERMISTOR A/C TRIPLE PRESSURE AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER RIGHT SIDE OF DASH) AIR MIX CONTROL SERVO MOTOR (BEHIND UPPER RIGHT CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND UPPER RIGHT CENTER OF DASH) AT RIGHT SIDE OF FIREWALL) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND LOWER RIGHT END OF DASH) BLOWER MOTOR CONTROLLER (BEHIND UPPER RIGHT CENTER OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CENTER OF FRONT BUMPER FASCIA) CONNECTOR 3 DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DUAL ECU-IG FUSE ENGINE COMPT, NEAR ENGINE CONTROL MODULE) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPT) ENGINE ROOM 3 R/B (ON LEFT SIDE OF ENGINE COMPT) FAN FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FRONT WIPER MOTOR (IN ENGINE COMPT, BELOW LOWER +2 LEFT SIDE OF WINDSHIELD) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START HR WIP BLW SNOW ILL- ILL+ IG HTR RELAY IG (AT RIGHT DASH REINFOR- CEMENT) IH (AT RIGHT SIDE OF FIREWALL) INSTRUMENT CLUSTER SYSTEM JUNCTION CONNECTOR JUNCTION CONNECTOR 10 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 19 JUNCTION CONNECTOR 2 (ON LEFT SIDE OF JUNCTION CONNECTOR 8 (BEHIND UPPER RIGHT SIDE OF DASH) LT GRN/RED WIRE MPX+ AIR AOF AMC AMH TP TPI TR MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PKB PWR P-S/B PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE RADIATOR FAN MOTOR RADIO 2 FUSE RDI FAN FUSE CDS FAN FUSE RED WIRE RED/WHT WIRE RED/YEL WIRE SINGLE SWITCH (ON LEFT FRONT OF ENGINE COMPT, BEHIND BUMPER FASCIA) TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM INTERIOR LIGHTS SYSTEM TS TPM TE VIO WIRE VIO/WHT WIRE WARNING SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 PRG RDA DBKL LSR RCTY DCTY LGCY TR+ RLU RLD 1 2 3 4 5 6 7 BSUB BECU IG 8 9 ILE ACT+ ANTI-THEFT SYSTEM BLK/RED WIRE BLK/YEL WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND LOWER LEFT END OF DASH, INTEGRAL WITH DRIVER SIDE J/B) BRN/WHT WIRE BZR PU PD COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DFG DOOR FUSE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE FE FR GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOT W/ TAIL RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM JUNCTION CONNECTOR 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER SIDE J/B) KSW PML PCTY PMUL HAZ DCLP PCLP BDSU LSWP MPX-B FUSE ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK/BLK WIRE POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM ENGINE CONTROLS SYSTEM POWER WINDOWS SYSTEM POWER TOPS SYSTEM RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE TAIL RRU RRD TRUNK, TAILGATE, FUEL DOORS SYSTEM WAGON WARNING SYSTEM DOOR LOCKS SYSTEM WHT WIRE WHT/BLK WIRE YEL/BLK WIRE YEL/RED WIRE

16 20 22 3 TACH 19 3 12 TC LA SIL A/C CONTROL ASSEMBLY BK (AT RIGHT FRONT FLOOR PANEL) BLK WIRE BLK/YEL WIRE BLU WIRE BODY ECU (BEHIND LOWER LEFT END OF DASH, INTEGRAL WITH DRIVER SIDE J/B) BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY (BELOW CENTER OF DASH, ON TRANSMISSION TUNNEL) CG SG A/B SIL COMBINATION METER D/G DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EB (AT CENTER LEFT SIDE OF INTAKE MANIFOLD) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) HOT AT ALL TIMES OBD FUSE IH (AT RIGHT SIDE OF FIREWALL) J/C 16 (SEDAN) (ABOVE RIGHT REAR FENDERWELL) LT GRN WIRE MPX MPX+ MPX- MULTI-DISPLAY ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) POWER WINDOW MASTER SWITCH RED/WHT WIRE SIL SKID CONTROL ECU TAC TC TS WFSE BAT THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) VIO WIRE WAGON WFSE TC WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/RED WIRE

18 8 16 7 1 GND +B IG A/C CONDENSER FAN MOTOR A/C CONTROL ASSEMBLY A/C DIODE (BEHIND RIGHT END OF DASH) A/C SINGLE PRESSURE SWITCH ACMG BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CDS FAN FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EC (AT LEFT FENDER APRON) ECU-IG FUSE 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 R/B 3 (ON LEFT SIDE OF ENGINE COMPT) FAN FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IH (AT RIGHT SIDE OF FIREWALL) INSTRUMENT CLUSTER SYSTEM JUNCTION CONNECTOR 10 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 19 JUNCTION CONNECTOR 3 (ON LEFT SIDE OF ENGINE COMPT, NEAR ENGINE CONTROL MODULE) MPX MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RADIATOR FAN MOTOR RADIO 2 FUSE RDI FAN FUSE RED WIRE RED/YEL WIRE WATER TEMPERATURE SWITCH (ON RIGHT SIDE OF RADIATOR) WHT WIRE WHT/BLK WIRE WHT/BLU 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

+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