Lexus RX I (1997-2003) instrument control panel Wiring diagrams

12 5 12 13 MPX- MPX+ ALT FUSE ALT-S FUSE BATTERY BLK WIRE BLK/ORG WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CHARGE INDICATOR COMBINATION METER ECU ECU-IG FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FUSIBLE LINK BLOCK (IN ENGINE ROOM J/B) GENERATOR IG HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CONTROL PANEL INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND UPPER CENTER OF DASH) RED WIRE RED/WHT WIRE SOLID STATE W/O NAVIGATION W/NAVIGATION WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1 5 6 8 9 10 11 12 14 15 17 18 19 20 23 24 25 UP SIG KL LMT 13 12 MPX+ MPX- AUTO AUTO DOWN AUTO UP 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 COMBINATION METER ECU D RR DOOR FUSE DOWN DOWN UP DRIVER DOOR ECU (IN LEFT FRONT DOOR) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CONTROL PANEL INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND UPPER CENTER OF DASH) J/C 5 (TOP OF LEFT KICK PANEL) JUNCTION CONNECTOR (LEFT KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LEFT FRONT POWER WINDOW MOTOR LEFT REAR SWITCH LIMIT SWITCH LOCK UNLOCK LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MPX+ MPX- P FR DOOR FUSE P RR DOOR FUSE PNK WIRE PNK/BLU WIRE PULSE SENSOR RCO RDA RSSI RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT SWITCH RIGHT REAR SWITCH SGND BDR DN CTY CPUB KUL PLS CTYE LSWE GND UP DOWN VCC CODE SQ VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WINDOW LOCK SWITCH WIRELESS DOOR LOCK ECU (W/KEYLESS ENTRY) (IN CENTER OF VEHICLE) YEL WIRE YEL/BLK WIRE YEL/RED WIRE

+B RL- GND FR- FR+ FL- FL+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 -B 1 2 3 4 5 6 7 8 9 10 11 12 R+ L+ SGRD MUTE +B R- L- GND TX- TX+ 1 2 3 4 5 6 7 8 9 10 RL+ 1 2 3 4 5 6 WFR+ RR+ WFR- WF+ WF- RR- 10 3 6 11 4 TX- TX+ EJECT 3 10 4 11 TX+ TX- ANT AUTOMATIC CD CHANGER BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE DOME FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) RAD 2 FUSE INSTRUMENT CONTROL PANEL INSTRUMENT PANEL J/B J/B 3 (BEHIND UPPER CENTER OF DASH) J/B 5 (BEHIND UPPER LEFT SIDE OF DASH) J/C 15 (UNDER RIGHT REAR SEAT) J/C 4 (BEHIND LEFT KICK PANEL) L-R LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER LEFT TWEETER LT GRN WIRE MULTI-DISPLAY MUTE R+ L+ SGND NAVAIGATION ECU (ON RIGHT REAR OF CARGO AREA) NCA WIRE PNK TX- WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER ANTENNA SYSTEM R- L- GND RAD 1 FUSE RADIO, PLAYER RED WIRE RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT TWEETER STEREO COMPONENT AMPLIFIER (UNDER REAR SEAT) TELEPHONE ECU (ON RIGHT REAR OF CARGO AREA) TX- TX+ EJECT VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WOOFER SPEAKER YEL WIRE

+B RL- GND FR- FR+ FL- FL+ 1 2 3 4 5 6 7 8 9 10 11 12 R+ L+ SGRD MUTE +B R- L- GND TX- TX+ 1 2 3 4 5 6 7 8 9 10 R+ L+ 1 2 3 4 5 6 7 8 9 10 RL+ 1 2 3 4 5 6 7 TX- TX+ 1 2 3 4 5 6 WFR+ RR+ WFR- WF+ WF- RR- 11 7 5 10 6 TX- TX+ EJECT ANT EJECT AUTOMATIC CD CHANGER BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE DOME FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) RAD 2 FUSE INSTRUMENT CONTROL PANEL INSTRUMENT PANEL J/B J/B 3 (BEHIND UPPER CENTER OF DASH) J/B 5 (BEHIND UPPER LEFT SIDE OF DASH) J/C 15 (UNDER RIGHT REAR SEAT) J/C 4 (BEHIND LEFT KICK PANEL) L-R LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER LEFT TWEETER LT GRN WIRE MULTI-DISPLAY NCA WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER ANTENNA SYSTEM R- L- SGND MUTE TX- TX+ RAD 1 FUSE RADIO, PLAYER RED WIRE RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT TWEETER STEREO COMPONENT AMPLIFIER (UNDER REAR SEAT) TELEPHONE ECU (ON RIGHT REAR OF CARGO AREA) TX- TX+ VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WOOFER SPEAKER YEL 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