Lexus IS I (1999-2005) skid control ecu Wiring diagrams

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

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

A/C DUAL PRESSURE SWITCH A/C SINGLE PRESSURE SWITCH LEFT HEADLIGHT CONTROL ECU RADIATOR FAN MOTOR A/T BACK DOOR OPENER SWITCH BLK WIRE BLOWER MOTOR CONTROLLER BM (LOWER LEFT SIDE OF LUGGAGE COMPARTMENT) BN (LOWER RIGHT SIDE OF LUGGAGE COMPARTMENT) BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/YEL WIRE COMBINATION SWITCH DRIVER SIDE J/B (DIAGRAM 1 OF 3) EA (FRONT SIDE OF INTAKE MANIFOLD) EC (REAR OF LEFT FRONT FENDER) ENGINE CONTROL MODULE ENGINE HOOD COURTESY SWITCH ENGINE OIL LEVEL SENSOR ENGINE ROOM NO. 3 R/B FAN NO. 2 RELAY FROM JUNCTION CONNECTOR J/C 15 (DIAGRAM 1 OF 3) FRONT WINDOW DEICER FRONT WIPER MOTOR HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) COMBINATION SWITCH HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HIGH MOUNTED STOP LIGHT IF (LOWER RIGHT CENTER OF DASH, FORWARD OF CENTER FLOOR CONSOLE) IG (BEHIND UPPER RIGHT END OF DASH) IGNITER INNER MIRROR JUNCTION CONNECTOR J/C 5 (BEHIND LEFT SIDE OF DASH, BEHIND DRIVER SIDE J/B) JUNCTION CONNECTOR J/C 7 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT FRONT FOG LIGHT HEADLIGHT CLEANER CONTROL RELAY LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT SIDE TURN SIGNAL LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT LICENSE PLATE LIGHT LEFT REAR COMBINATION LIGHT LEFT VANITY LIGHT M/T MOON ROOF CONTROL ECU MOON ROOF CONTROL SWITCH PERSONAL LIGHT REAR WINDOW DEFOGGER REAR WIPER MOTOR REMOTE CONTROLLER (NAVIGATION) MULTI- DISPLAY RIGHT LICENSE PLATE LIGHT RIGHT REAR COMBINATION LIGHT RIGHT VANITY LIGHT SKID CONTROL ECU STEREO COMPONENT AMPLIFIER RADIO AND PLAYER TO GROUND BJ (DIAGRAM 1 OF 3) W/ MOON- ROOF W/O MOON- ROOF WAGON ONLY WHT WIRE WHT/BLK WIRE WIRE TO FCC HOLDER (IN ROOF, NEAR MOON ROOF ECU) YEL 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 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