Lexus IS I (1999-2005) j/c 7 (behind upper right side of dash) Wiring diagrams

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

+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

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

BJ (AT LEFT FRONT FLOOR PANEL) BK (AT RIGHT FRONT FLOOR PANEL) BLK WIRE BLU WIRE BRN WIRE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DRIVER'S SEAT HEATER SWITCH FRONT PASSENGER'S SEAT HEATER SWITCH GRN WIRE HOT IN ON OR START IH (AT RIGHT SIDE OF FIREWALL) INTERIOR LIGHTS SYSYTEM J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RED WIRE SEAT HEATER (DRIVER'S SEAT) SEAT HEATER (FRONT PASSENGER'S SEAT) SEAT HTR FUSE W/ POWER SEAT WHT WIRE

2 1 (A/T) (M/T) 6 3 (M/T) (A/T) A/C CONTROL ASSEMBLY ASHTRAY ILLUMI- NATION BLK WIRE BRN WIRE CIGARETTE LIGHTER ILLUMI- NATION COMBINATION METER ILLUMINATION (COMBINATION METER) DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ELECTRONIC CONTROLLED TRANSMISSION PATTERN SELECT SWITCH (A/T) GLOVE BOX LIGHT GRN WIRE HEAD- LIGHT CLEANER SWITCH HOT AT ALL TIMES IH (AT RIGHT SIDE OF FIREWALL) J/C 5 (ABOVE DRIVER SIDE J/B) J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 8 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 9 (BEHIND UPPER RIGHT SIDE OF DASH) LIGHT CONTROL SWITCH COMBINATION SWITCH MULTI-DISPLAY OFF HEAD PANEL FUSE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RADIO, PLAYER REAR FOG LIGHT SWITCH RED WIRE REMOTE CONTROLLER (NAVIGATION) RHEOSTAT SEAT HEATER SWITCH (DRIVER) SEAT HEATER SWITCH (FRONT PASSENGER) TAIL TAIL RELAY THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) TAIL TRACTION "OFF" SWITCH (A/T) TRACTION "OFF" SWITCH, SNOW SWITCH (M/T) TRANSMISSION CONTROL SWITCH (A/T SHIFT POSITION ILLUMINATION) (A/T) WHT WIRE WHT/GRN 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

1 2 3 4 5 6 7 8 9 10 NSSD BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BRN WIRE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) GAUGE FUSE ECU-IG FUSE ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IH (AT RIGHT SIDE OF FIREWALL) J/C 1, J/C 2 (ON LEFT SIDE OF ENGINE COMPT, NEAR ENGINE CONTROL MODULE) J/C 10 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 5 (BEHIND LEFT END OF DASH) J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) KEY INTER LOCK SOLENOID KLS+ LT GRN/BLK WIRE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RADIO 2 FUSE RED WIRE SHIFT LOCK CONTROL ECU (BELOW RIGHT SIDE OF TRANSMISSION SHIFT LEVER) SHIFT LOCK CONTROL SWITCH SHIFT LOCK SOLENOID SLS+ SLS- STOP FUSE STOPLIGHT SWITCH UNLOCK WARNING SWITCH WHT 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