Lexus IS I (1999-2005) body ecu Wiring diagrams

BACK DOOR OPENER RELAY BACK DOOR COURTESY SWITCH AND OPENER MOTOR BJ (BASE OF LEFT "B" PILLAR) BLK WIRE BODY ECU CENTER AIRBAG SENSOR ASSEMBLY CIGARETTE LIGHTER DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) FLASH RELAY FRONT AND REAR WIPER AND WASHER SWITCH (COMBINATION SWITCH) FUEL PUMP HIGH MOUNTED STOP LIGHT JUNCTION CONNECTOR J/C 11 (IN LEFT FRONT DOOR) LEFT BUCKLE SWITCH LEFT FRONT DOOR KEY LOCK, UNLOCK SWITCH, DOOR LOCK DETECTION SWITCH LEFT LICENSE PLATE LIGHT LEFT REAR DOOR LOCK MOTOR AND DOOR LOCK DETECTION SWITCH LEFT REAR POWER WINDOW CONTROL SWITCH LEFT REMOTE CONTROL MIRROR LEFT TAILLIGHT (LEFT REAR COMBINATION LIGHT) LIGHT CONTROL SWITCH AND DIMMER SWITCH (COMBINATION SWITCH) LIGHT FAILURE SENSOR LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH LUGGAGE COMPARTMENT DOOR OPENER RELAY NOISE FILTER (DEF CDS) NOISE FILTER (DEF CDS) NOISE FILTER (STOP LIGHT) NOISE FILTER (STOP LIGHT) REAR SIDE MARKER LIGHT POWER SEAT CONTROL SWITCH (DRIVER'S SEAT) POWER WINDOW MASTER SWITCH REAR FOG LIGHT SWITCH REMOTE CONTROL MIRROR SWITCH RIGHT STOP LIGHT (RIGHT REAR COMBINATION LIGHT) RIGHT TAILLIGHT (RIGHT REAR COMBINATION LIGHT) SEAT HEATER (DRIVER'S SEAT) SEAT HEATER (DRIVER'S SEAT) LEFT BUCKLE SWITCH SEDAN SEDAN ONLY SEDAN WAGON STEERING SENSOR THEFT DETERRENT ECU TO GROUND BM (DIAGRAM 2 OF 3) TO J/C 5 (DIAGRAM 2 OF 3) TRANSPONDER KEY AMPLIFIER TURN SIGNAL SWITCH (COMBINATION SWITCH) UNLOCK WARNING SWITCH W/ POWER SEAT WAGON WAGON ONLY WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK CONTROL RECEIVER

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

A/C FUSE AIR CONDITIONING SYSTEM AIR CONDITIONING, INSTRUMENT CLUSTER, SHIFT INTERLOCK, SOUND SYSTEMS AM 1 FUSE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BODY COMPUTER SYSTEM, INTERIOR LIGHTS SYSTEMS BODY ECU BSUB D FR P/W FUSE DEICER RELAY DOOR FUSE ENGINE ROOM RELAY BLOCK 1 (DIAGRAM 1 OF 3) FR DEF FUSE FROM FROM ENGINE ROOM RELAY BLOCK 1 (DIAGRAM 1 OF 3) FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE IGNITION SWITCH LOCK MIRROR SYSTEM PANEL FUSE POWER TOPS SYSTEM POWER WINDOWS SYSTEM RADIO 2 FUSE RED WIRE RR DEF FUSE RR DEF RELAY RUN WIRE S/ROOF FUSE SEAT HTR FUSE SEATS SYSTEM SRS STARTER FUSE STARTING/ CHARGING, ENGINE CONTROLS, TRANSMISSION SYSTEMS STOP FUSE SUPPLEMENTAL RESTRAINTS SYSTEM TAIL FUSE TAIL RELAY TO DRIVER SIDE JUNCTION BLOCK TO PASSENGER SIDE JUNCTION BLOCK TO POWER OUTLET RELAY (DIAGRAM 3 OF 3) TRUNK, TAILGATE, FUEL DOOR SYSTEMS WASHER FUSE WIPER FUSE WHT WIRE WHT/RED WIRE WIPER/ WASHER SYSTEMS WIPER/ WASHER SYSTEMS

BACK DOOR COURTESY SWITCH, OPENER MOTOR (AT CENTER REAR OF LUGGAGE COMPT) BACK DOOR OPENER RELAY (ABOVE LEFT REAR FENDERWELL) BACK DOOR OPENER SWITCH BECU TR+ BLK WIRE BLU WIRE BLU/WHT WIRE BN (AT RIGHT UPPER SIDE OF BACK PANEL) BODY ECU BSUB DOOR FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES J/C 15 (ON LEFT SIDE OF LUGGAGE COMPT, BEHIND LEFT FENDERWELL) BL J/C 17 (ABOVE LEFT REAR FENDERWELL) J/C 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER SIDE J/B) LGCY MPX-B FUSE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RED WIRE RED/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BECU TR+ LGCY BLK WIRE BLU WIRE BLU/WHT WIRE BODY ECU BSUB DOOR FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES J/C 12 (ABOVE LEFT REAR FENDERWELL) J/C 15 (ON LEFT SIDE OF LUGGAGE COMPT, BEHIND LEFT FENDERWELL) J/C 5 (BEHIND LEFT END OF DASH, ABOVE DRIVER SIDE J/B) LUGGAGE COMPARTMENT DOOR COURTESY SWITCH, OPENER MOTOR BL MPX-B FUSE PASSENGER SIDE J/B (BEHIND LOWER RIGHT END OF DASH) RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE