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

1 2 3 4 5 6 7 8 9 10 11 12 HS- ST- T+ IL ALT FUSE BLK WIRE BLU WIRE 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 AT ALL TIMES DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) HOT IN ON OR START JUNCTION CONNECTOR 13 (ABOVE LEFT REAR FENDERWELL) JUNCTION CONNECTOR 14 (ON LEFT SIDE OF LUGGAGE COMPT, BEHIND LEFT FENDERWELL) JUNCTION CONNECTOR 15 (ON LEFT SIDE OF LUGGAGE COMPT, BEHIND LEFT FENDERWELL) JUNCTION CONNECTOR 5 (BEHIND LEFT END OF DASH, ID ABOVE DRIVER SIDE J/B) 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 RED WIRE RED/BLU WIRE RH LH TURN SIGNAL SIDE MARKER 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 LIGHT VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BODY ECU (BEHIND LOWER LEFT END OF DASH, INTEGRAL WITH DRIVER SIDE J/B) BRN WIRE COMBINATION METER DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EC (AT LEFT FENDER APRON) ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPARTMENT) ER EL FLASHER RELAY GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE HAZARD SWITCH (A/C CONTROL ASSEMBLY) HAZD HOT AT ALL TIMES HOT IN ON IH (AT RIGHT SIDE OF FIREWALL) JUNCTION CONNECTOR 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER ID SIDE J/B) JUNCTION CONNECTOR 7 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT SIDE TURN SIGNAL LIGHT RIGHT FRONT TURN SIGNAL LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT TURN SIGNAL IND RIGHT TURN SIGNAL IND PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK WIRE RIGHT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT SIDE TURN SIGNAL LIGHT RIGHT LEFT TURN SIGNAL SWITCH (COMBINATION SWITCH) TURN, HAZ FUSE WHT WIRE YEL 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

BLK WIRE BODY ECU (BEHIND LOWER LEFT END OF DASH, INTEGRAL WITH DRIVER SIDE J/B) BRN WIRE COMBINATION METER DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EC (AT LEFT FENDER APRON) ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPARTMENT) ER EL FLASHER RELAY GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE HAZARD SWITCH (A/C CONTROL ASSEMBLY) HAZD HOT AT ALL TIMES HOT IN ON IH (AT RIGHT SIDE OF FIREWALL) JUNCTION CONNECTOR 5 (BEHIND LEFT END OF DASH, ID ABOVE DRIVER SIDE J/B) JUNCTION CONNECTOR 7 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT SIDE TURN SIGNAL LIGHT RIGHT FRONT TURN SIGNAL LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT TURN SIGNAL IND RIGHT TURN SIGNAL IND PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) PNK WIRE RIGHT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT SIDE TURN SIGNAL LIGHT RIGHT LEFT TURN SIGNAL SWITCH (COMBINATION SWITCH) TURN, HAZ FUSE WHT WIRE YEL WIRE

A/C CONTROL ASSEMBLY A/T ABS, BA, TRAC ACTUATOR ABS, BA, TRAC, VSC ACTUATOR BK (UNDER RIGHT FRONT SEAT) BLK WIRE BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY COMBINATION METER DATA LINK CONNECTOR (DLC) 3 DAYTIME RUNNING LIGHT RELAY (MAIN) DAYTIME RUNNING LIGHT RELAY NO. 3 DAYTIME RUNNING LIGHT RELAY NO. 4 DAYTIME RUNNING LIGHT RESISTOR EFI RELAY ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM NO. 1 R/B (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM NO. 2 R/B (RIGHT REAR OF ENGINE COMPT) GLOVE BOX LIGHT HEADLIGHT BEAM LEVEL CONTROL ECU IH (BEHIND RIGHT KICK PANEL) JUNCTION CONNECTOR J/C 16 (ABOVE RIGHT REAR FENDER- WELL) JUNCTION CONNECTOR J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) M/T NAVIGATION ECU PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) POWER OUTAGE (LUGGAGE) POWER OUTLET POWER OUTLET RELAY POWER SEAT CONTROL SWITCH (FRONT PASSENGER'S SEAT) RHEOSTAT RIGHT BUCKLE SWITCH AND SEAT BELT WARNING OCCUPANT DETECTION SENSOR RIGHT DOOR LOCK CONTROL SWITCH RIGHT FRONT DOOR LOCK MOTOR AND DOOR LOCK DETECTION SWITCH RIGHT FRONT FOG LIGHT RIGHT FRONT PARKING LIGHT RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT SIDE TURN SIGNAL LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT HEADLIGHT CONTROL ECU RIGHT MIRROR HEATER (REMOTE CONTROL MIRROR) RIGHT REAR DOOR LOCK MOTOR AND DOOR LOCK DETECTION SWITCH RIGHT REAR POWER WINDOW CONTROL SWITCH SEAT HEATER (FRONT PASSENGER'S SEAT) SEAT HEATER SWITCH (DRIVER'S SEAT) SEAT HEATER SWITCH (FRONT PASSENGER'S SEAT) SEDAN SHIFT LOCK CONTROL ECU STARTER RELAY TRAC OFF SWITCH TRAC OFF SWITCH AND SNOW SWITCH W/ POWER SEATS W/ VSC W/O POWER SEATS W/O VSC WAGON WATER TEMPERATURE SWITCH WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK CONTROL RECEIVER WOOFER

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

+B HI DRL 1 2 3 4 5 6 7 8 9 10 IG BLK WIRE BLK/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER DAYTIME RUNNING LIGHT RESISTOR (ON RIGHT SIDE OF ENGINE COMPT, ON STRUT TOWER) DIMMER RELAY DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DRL 1 FUSE DRL 2 FUSE EC (AT LEFT FENDER APRON) ECU-IG FUSE ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPARTMENT) ENGINE ROOM 2 R/B (ON RIGHT REAR OF ENGINE COMPARTMENT) ENGINE ROOM 3 R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FR FOG FUSE FR FOG RELAY FUSE H-LP L LWR FUSE H-LP R LWR FUSE H-LP R UPR FUSE H-LP L UPR FUSE HEAD LP RELAY HI BEAM INDICATOR HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) IH (AT RIGHT SIDE OF FIREWALL) IND PKB CHG- JUNCTION CONNECTOR 6 (BEHIND LEFT SIDE OF DASH, FORWARD OF INSTRUMENT CLUSTER) JUNCTION CONNECTOR 7 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT FRONT FOG LIGHT LEFT HEADLIGHT CONTROL ECU (BEHIND LEFT HEADLIGHT ASSEMBLY) LEFT HIGH BEAM HEADLIGHT MAIN DAYTIME RUNNING LIGHT RELAY (BEHIND LEFT END OF DASH) MAIN FUSE PARKING BRAKE SWITCH (AT BASE OF PARKING LEVER) PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT CONTROL ECU (BEHIND RIGHT HEADLIGHT ASSEMBLY) RIGHT HIGH BEAM HEADLIGHT WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

1 12 HEAD 2 3 1 SHB SHG SHFL ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER HEADLIGHT BEAM LEVEL CONTROL WARNING LIGHT COMBINATION SWITCH DIMMER SWITCH DIODE (FOG LIGHT) DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE HEAD LP RELAY HEADLIGHT BEAM LEVEL CONTROL ECU (BEHIND LEFT END OF DASH) HOT AT ALL TIMES HOT IN ON OR START IH (AT RIGHT SIDE OF FIREWALL) JUNCTION CONNECTOR 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER SIDE J/B) JUNCTION CONNECTOR 7 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT FRONT HEIGHT CONTROL SENSOR (ON LEFT FRONT OF ENGINE COMPT) LEFT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (BEHIND LEFT HEADLIGHT) LIGHT CONTROL SWITCH MAIN FUSE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (BEHIND RIGHT HEADLIGHT) SGF SGR LHE RHT LHT RH+ LH+ SHFL WNG SHRL SHB SHG TAIL HEAD AUTO OFF THEFT DETERRENT ECU (BEHIND LEFT END OF DASH) WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

COMBINATION SWITCH ENGINE ROOM 2 R/B (ON RIGHT REAR OF ENGINE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HORN HORN RELAY HORN SWITCH LEFT HORN PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RIGHT HORN THEFT DETERRENT ECU (BEHIND LEFT END OF DASH)

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