Lexus LS III (2000-2003) theft deterrent ecu (behind upper right center of dash) Wiring diagrams

1 4 5 6 16 17 23 26 GROUND CPUB SIG BDR PCT 1 4 5 6 17 23 25 26 GROUND CPUB SIG BDR 6 7 8 5 RSSI DATA +5 7 9 10 20 LSW KUL KL CPSE 8 19 22 30 ML MUL PWS PWE BLK WIRE BLU WIRE BLU/RED WIRE BRN/RED WIRE BRN/WHT WIRE CTY D-ACC FUSE DOOR LOCK CONTROL RECEIVER (INNER MIRROR) DRIVER DOOR ECU (IN LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE ROOM R/B 2 (ON LEFT FRONT OF ENGINE COMPT) FRONT CONTROLLER FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GATEWAY ECU (BEHIND LEFT END OF DASH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES IND BZR J/C 21 (FORWARD OF LEFT REAR FENDERWELL) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) JUNCTION CONNECTOR (BEHIND UPPER CENTER OF DASH) KEYLESS BUZZER (INSIDE TOP OF LEFT FRONT FENDER, NEAR BASE OF "A" PILLAR) KEYLESS BUZZER ON/OFF SWITCH LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK MOTOR MPX-IG FUSE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER WINDOW MASTER SWITCH 8 18 6 10 ML MUL PW RED WIRE RED/BLU WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH 8 19 22 27 3 1 4 2 ML MUL PWS DLE UL ILL+ RIGHT FRONT DOOR LOCK MOTOR SECURITY FUSE SECURITY INDICATOR LIGHT SH- BZRG IG RDA RSSI THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) THEFT DETERRENT HORN (IN RIGHT REAR OF ENGINE COMPARTMENT) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WARNING SYSTEMS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE

10 13 2 BUBS MPX- MPX+ 2 13 14 CLTB CLTS CLTE 5 7 8 MPX-B 7 15 HRLY AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER CENTER OF DASH) BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DATA RSSI DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) CTY DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU FUSE GRN WIRE GRY/BLK WIRE HEAD HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) HOT IN RUN OR START J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 7 (BELOW ENGINE ROOM 1 J/B) LEFT FRONT DOOR COURTESY SWITCH LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX-IG MPX-IG FUSE ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PNK WIRE PNK/BLU WIRE POWER TILT AND POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RCO RDA RSSI RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

10 3 TX- TX+ 11 22 2 7 12 13 4 15 17 16 5 6 9 20 CG GND IG SIL BATT 6 3 2 5 TXS- TXS+ ATX+ ATX- BLU WIRE BLU/YEL WIRE BUBS CENTER CLUSTER INTEGRATION PANEL CLEARANCE SONAR ECU (ON LEFT SIDE OF LUGGAGE COMPT) COMBINATION SWITCH D-ACC FUSE 7.5 A DRIVER SEAT ECU (BELOW LEFT SIDE OF DRIVER'S SEAT) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE ROOM R/B 2 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FUSE 7.5 A GATEWAY ECU (BEHIND LEFT END OF DASH) GRN WIRE GRY WIRE GRY/BLK WIRE GTX+ GTX- HOT AT ALL TIMES HOT IN RUN, ACC HOT IN RUN, START J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT REAR SEAT ECU (BEHIND LEFT REAR SEAT BACK) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPT) MPX MPX-IG FUSE 7.5 A MULTI-DISPLAY PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RADIO, PLAYER REAR SEAT CONTROL SWITCH RED WIRE RED/BLU WIRE SIL THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO/GRN WIRE W/ NAVIGATION W/ PARK ASSIST W/O NAVIGATION WHT/BLK WIRE WHT/GRN WIRE

2 1 3 PNK WIRE 29 21 20 9 28 8 19 30 MM PNK WIRE 5 14 13 VC 5 14 6 VC SENSOR VSSR 5 4 6 17 1 SIG CPUB BDR 6 4 5 26 1 BDR CPUB SIG 7 8 9 10 11 19 R/E RET RTR MSW M+ MIND 8 19 27 ML MUL DLE BLK WIRE BLU WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM D DOOR FUSE DATA DOOR LOCK CONTROL RECEIVER (INNER MIRROR) DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) DRIVING POSITION MEMORY SWITCH ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, IN PROTECTIVE CASE) ENGINE CONTROLS SYSTEM (PARK/NEUTRAL POSITION SWITCH) FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HSSR HSSR SENSOR J/C 10, J/C 11 (BEHIND UPPER CENTER OF DASH) J/C 12, J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, J/C 15 (BEHIND UPPER CENTER OF DASH) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) JC-21 LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LEFT OUTSIDE REAR VIEW MIRROR LEFT/RIGHT MOTOR LT GRN WIRE M+R LEFT/RIGHT MOTOR MHR ML MUL MMRY MPX-B MPX-IG FUSE MPX-IG GND MR- MR- RETRACTABLE MOTOR MSWE ML MUL PWE MVR MVR UP/DOWN MOTOR OUTER MIRROR SWITCH PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RCO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RETRACTABLE MOTOR RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT OUTSIDE REAR VIEW MIRROR RSSI SENSOR THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) UP/DOWN MOTOR VIO WIRE VIO/GRN WIRE VIO/YEL WIRE VSSR WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

1 6 5 17 4 25 26 23 2 3 8 19 20 16 GND BDR SIG 2 4 5 6 15 16 17 22 23 25 30 AUTO 8 7 6 5 +5 DATA RSSI EI AUTO BLK/WHT WIRE BLU/BLK WIRE BLU/RED WIRE BRN/RED WIRE BRN/WHT WIRE BZR BZRG CPUB CTY DN UP PLS LMT SGND WLSW D-ACC FUSE DDN DOOR LOCK CONTROL RECEIVER (INNER MIRROR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DUP GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ACC OR ON HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) D DOOR FUSE HOT IN ON OR START J/C 10, J/C 11 (BEHIND UPPER CENTER OF DASH) J/C 12, J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, J/C 15 (BEHIND UPPER CENTER OF DASH) J/C 21 (FORWARD OF LEFT REAR FENDERWELL) KEYLESS BUZZER (NEAR BASE OF "A" PILLAR) KEYLESS BUZZER ON/OFF SWITCH LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT POWER WINDOW MOTOR LMT MPX-IG FUSE ORG/ WIRE PLS PNK/BLU WIRE PNK/GRN WIRE POWER WINDOW MASTER SWITCH PWS MUP MDN PWE RDA RSSI RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SECURITY FUSE THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) TRANS- PONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE W/L WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE