Lexus RX I (1997-2003) j/c 5 (behind upper left side of dash) Wiring diagrams

1 2 5 6 9 11 17 RDR+ BECU SH RDR- 13 12 5 12 MPX+ MPX- 18 19 BDSU BDSL 2 5 6 10 11 13 14 16 17 18 19 23 24 25 A- SIG KL 21 17 MPX+ MPX- 5 6 8 BCTY HCTY KSW A+ BDR LSW CTY CPUB KUL CTYE LSWE GND BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BSUB IG IND COMBINATION METER ECU D RR DOOR FUSE DOOR LOCKS SYSTEM DRIVER DOOR ECU (IN LEFT FRONT DOOR) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GAUGE FUSE GRN/BLK WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IMLD INSTRUMENT CONTROL PANEL INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND UPPER CENTER OF DASH) J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) J/C 9 (BEHIND RIGHT KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LSWA LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE P FR DOOR FUSE P RR DOOR FUSE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT DOOR COURTESY SWITCH THEFT DETERRENT INDICATOR LIGHT VIO WIRE WHT WIRE WHT/BLK (OR YEL/RED) WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

AIR CONDITIONING SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM DOOR LOCKS SYSTEM WIPER/WASHER SYSTEM ANTI-THEFT, ENGINE CONTROLS SYSTEMS BCTY HCTY DBKL KSW HR ILE BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN/WHT WIRE BRN/YEL WIRE BSUB IG FFGO TRLY PWR CLTE BZR CLTS COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM (W/KEYLESS ENTRY) DOOR LOCKS, HEADLIGHTS, INTERIOR LIGHTS, POWER WINDOWS SYSTEMS DRL HEAD TAIL LSWA EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM GAUGE FUSE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HAZ CLTB HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND UPPER CENTER OF DASH) J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE P FR DOOR FUSE PNK WIRE PNK/BLK WIRE POWER TOPS SYSTEM RADIO 2 FUSE RCO RDA RSSI BDSU BDSL RDR+ RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RR WIP FUSE RWLM RWIG SH RDR- RWSW WIG RWLS RWW SNOW IND DFG STPI PKB HF TRANSMISSIONS SYSTEM ANTI-THEFT SYSTEM DEFOGGER SYSTEM W/AUTO LAMPS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

13 1 4 TC C/C CG ABS, BA, TRAC, VSC ECU (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER ECU (BEHIND COMBINATION METER) COMBINATION SWITCH CRUISE CRUISE CONTROL ACTUATOR (LEFT REAR OF ENGINE) CRUISE CONTROL ECU (LEFT SIDE OF DASH) CRUISE CONTROL IND CRUISE CONTROL SWITCH DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) ECU-IG FUSE ENGINE CONTROL MODULE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON, START IDLO INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (BEHIND UPPER CENTER OF DASH) J/B 5 (UPPER LEFT SIDE OF DASH) J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 4 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 8 (RIGHT SIDE OF DASH) P/N PARK/NEUTRAL POSITION SWITCH (ON TOP OF TRANSAXLE) PI ECT MC PNK/BLK WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RESUME/ ACCEL SET/ COAST STOP FUSE STOPLIGHT SWITCH TC CCS SPD IDL OD MO GND VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) DFG ENGINE ROOM JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) FR DEF FUSE FRONT WINDOW DEFOGGER FUSIBLE LINK BLOCK (IN ENGINE ROOM JUNCTION BLOCK) GAUGE FUSE GRY WIRE GRY/RED WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL JUNCTION BLOCK (BEHIND LEFT SIDE OF DASH) J/C 14 (IN LEFT SIDE OF TAILGATE) J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) J/C 5 (LEFT KICK PANEL) J/C 9 (BEHIND RIGHT KICK PANEL) LEFT REMOTE CONTROL MIRROR MIRROR HEATER MIRROR HEATER MIRROR HEATER RELAY (IN RELAY BLOCK 1) NOISE FILTER (REAR WINDOW DEFOGGER) REAR DEFOG RELAY RED WIRE RED/YEL WIRE RIGHT REMOTE CONTROL MIRROR RR DEF FUSE WHT WIRE WHT/BLK WIRE YEL WIRE

A/F HEATER RELAY AUTO ANTENNA MOTOR, RELAY BLK WIRE BODY ECU BRN WIRE COIL CONTACT CRUISE CONTROL ACTUATOR CRUISE CONTROL ECU CRUISE CONTROL SWITCH (PART OF COMBINATION SWITCH) DRIVER DOOR ECU LEFT REMOTE CONTROL MIRROR EFI RELAY FROM GROUND FROM J/C 2 (CAVITY A) (DIAGRAM 1 OF 5) FRONT PASSENGER'S POWER SEAT CONTROL SWITCH FRONT PASSENGER'S SEAT HEATER FRONT WINDOW DEFOGGER HEATER ELEMENT GND INNER MIRROR, COMPASS J/C 15 (UNDER RIGHT REAR SEAT) J/C 18 (UNDER PASSENGER'S SEAT) J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) LEFT VANITY LIGHT, GARAGE DOOR OPENER MOON ROOF CONTROL ECU MOON ROOF CONTROL SWITCH PERSONAL LIGHT R/B 2 RIGHT BUCKLE SWITCH RIGHT REAR COMBINATION LIGHT RIGHT REAR DOOR ECU RIGHT REAR SIDE MARKER LIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT STOP LIGHT RIGHT TAILLIGHT RIGHT VANITY LIGHT RR DEF RELAY STARTER RELAY STEREO COMPONENT AMPLIFIER TELEPHONE ECU W/MOON- ROOF W/O MOON- ROOF WHT WIRE WHT/BLK WIRE

BATTERY BLK WIRE BLU WIRE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM J/B) IGNITION SWITCH INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) LOCK MAIN FUSE PARK/NEUTRAL POSITION SWITCH (ON TRANSAXLE) RED WIRE STARTER STARTER FUSE STARTER RELAY WHT WIRE

12 13 12 5 MPX- MPX+ 17 23 10 14 18 5 25 CTY CTYE BDR CPUB SIG GND BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BUZZER DBKL KSW DRIVER DOOR ECU (IN LEFT FRONT DOOR) ECU-B FUSE ENGINE ROOM J/B F/L DOOR FUSE FRONT PASSENGER'S SEAT BELT WARNING LIGHT GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN OR START INSTRUMENT CONTROL PANEL INSTRUMENT PANEL J/B J/B 3 (BEHIND UPPER CENTER OF DASH) J/C 15 (UNDER RIGHT REAR SEAT) J/C 17 (UNDER DRIVER'S SEAT) J/C 18 (UNDER PASSENGER'S SEAT) J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) J/C 7 (UPPER LEFT SIDE OF DASH) LEFT BUCKLE SWITCH LEFT FRONT DOOR COURTESY SWITCH RADIO 2 FUSE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT BUCKLE SWITCH SEAT BELT INDICATOR SEAT BELT WARNING OCCUPANT DETECTION SENSOR UNLOCK WARNING SWITCH W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL/BLK WIRE YEL/RED WIRE