Lexus RX I (1997-2003) gauge fuse Wiring diagrams

1 2 8 9 11 15 16 18 BATT IGSW MREL ODLP 5 22 24 25 TC SPD 7 8 9 19 20 21 23 24 30 31 DSL A/T INDICATOR SWITCH (PART OF PARK/NEUTRAL POSITION SWITCH, ON TRANSAXLE) ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM COUNTER GEAR SPEED SENSOR (ON FRONT SIDE OF ENGINE) CRUISE CONTROL ECU (BEHIND LEFT SIDE OF DASH) DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) EB (RIGHT OF SURGE TANK) EC (REAR OF SURGE TANK) EFI FUSE EFI RELAY ELECTRO- NICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSAXLE) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN HOT IN ON OR START IDLO IGN FUSE IH (RIGHT DASH BRACE) INSTRUMENT CLUSTER SYSTEM (O/D OFF IND) INSTRUMENT CLUSTER SYSTEM (SPEEDOMETER) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND UPPER CENTER OF DASH) J/B 5 (BEHIND UPPER LEFT SIDE OF DASH) J/C 10 (BEHIND RIGHT SIDE OF DASH) J/C 2 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) J/C 4 (BEHIND LEFT KICK PANEL) J/C 8 (RIGHT SIDE OF DASH) LT GRN WIRE NC- NC+ NORMAL O/D MAIN SWITCH (BELOW CENTER CONSOLE) ODMS ORG/ WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SLT- SLT+ NT- NT+ SNOW SNOW 3 4 STARTER FUSE STARTING/ CHARGING STOP FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL BRACKET) STP +B THO THW THROTTLE POSITION SENSOR (ON THROTTLE BODY) TURBINE SPEED SENSOR (ON TRANSAXLE) VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE DRIVER'S SEAT HEATER HI DRIVER'S SEAT HEATER SWITCH GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) 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 17 (UNDER DRIVER'S SEAT) J/C 18 (UNDER PASSENGER'S SEAT) LO HI LT GRN WIRE PASSENGER'S SEAT HEATER LO PASSENGER'S SEAT HEATER SWITCH RED WIRE SEAT HEATER RELAY (BEHIND RIGHT SIDE OF DASH, NEAR ECM) SEAT HTR FUSE WHT WIRE

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRAIDED BRAIDED VG BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM (DATA LINK CONNECTOR) CRUISE CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPD SPD ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) DOME FUSE EXTERIOR LIGHTS SYSTEM (BACK-UP LIGHT SWITCH) GAUGE FUSE GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN START OR RUN HOT W/TAILLIGHT RELAY ENERGIZED INSTRUMENT CONTROL PANEL INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND UPPER CENTER OF DASH) J/B 5 (BEHIND UPPER LEFT SIDE OF DASH) J/C 12 (UNDER REAR SEAT) J/C 3, J/C 4 (BEHIND LEFT KICK PANEL) J/C 3, J/C 4 (BENIND LEFT KICK PANEL) MULTI-DISPLAY NAVIGATION ECU (AT RIGHT REAR CORNER OF LUGGAGE COMPT) PANEL FUSE PARKING BRAKE SWITCH PKB TC PNK WIRE PNK/BLK WIRE RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SOUND SYSTEMS SOUND SYSTEMS SOUND SYSTEMS SYNC TAIL VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

GAUGE FUSE GRN WIRE GRN/ORG WIRE HOT IN RUN OR START INSTRUMENT PANEL J/B (BEHIND LEFT SIDE 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 3, J/C 4 (BEHIND LEFT KICK PANEL) LEFT BUCKLE SWITCH (IN BUCKLE) LEFT TENSION REDUCER SOLENOID (AT BASE OF LEFT "B" PILLAR) RED/BLU WIRE RIGHT BUCKLE SWITCH (IN BUCKLE) RIGHT TENSION REDUCER SOLENOID (AT BASE OF RIGHT "B" PILLAR) WHT/BLK WIRE

AIR CONDITIONING SYSTEM, COOLING FANS SYSTEM, DEFOGGER SYSTEM BLK WIRE BLU WIRE BODY COMPUTER SYSTEM, WIPER/WASHER SYSTEM CELLULAR PHONES SYSTEM, POWER ANTENNA SYSTEM ECU-IG FUSE ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM, TRANSMISSIONS SYSTEM ENGINE CONTROLS SYSTEM STARTING/CHARGING SYSTEM FROM INSTRUMENT PANEL J/B FROM WIPER FUSE (DIAGRAM 3 OF 4) GAUGE FUSE GRY WIRE HEATER FUSE IGN FUSE IGNITION SWITCH INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LOCK ON NAVIGATION SYSTEM ORG/ WIRE PNK WIRE RED WIRE RR WIP FUSE WASHER FUSE SRS-IG FUSE SHIFT INTERLOCK SYSTEM STARTER FUSE STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINT SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TO GAUGE FUSE (DIAGRAM 3 OF 4) TO INSTRUMENT PANEL J/B WHT WIRE WIPER FUSE WIPER/WASHER SYSTEM YEL WIRE

1 2 6 9 11 17 RDR+ BECU RDR- 1 2 SOLID STATE 15 16 17 18 19 RCO RDA RSSI BDSU BDSL 2 5 6 10 11 13 14 16 17 18 19 23 24 25 A- SIG KL 5 12 13 12 MPX+ MPX- A+ BDR LSW CTY CPUB KUL CTYE LSWE GND BACK DOOR COURTESY SWITCH BACK DOOR KEY LOCK, UNLOCK SWITCH BACK DOOR MOTOR ASSEMBLY (IN LIFTGATE) BACK DOOR UNLOCK DETECTION SWITCH 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 BZR BCTY KSW COMBINATION METER ECU D RR DOOR FUSE DOOR KEY LOCK, UNLOCK SWITCH DOOR LOCK MOTOR DOOR UNLOCK DETECTION SWITCH DRIVER DOOR ECU (IN LEFT FRONT DOOR) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) 18 11 18 11 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 14 (IN LEFT SIDE OF LIFTGATE) J/C 5 (TOP OF LEFT KICK PANEL) JUNCTION CONNECTOR (LEFT KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK ASSEMBLY (IN LEFT FRONT DOOR) LOCK LSWA LT GRN WIRE LT GRN/RED WIRE MPX+ MPX- P FR DOOR FUSE P RR DOOR FUSE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE UN- LOCK LOCK UNLOCK UNLOCK DOOR LOCK CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WIRELESS DOOR LOCK BUZZER (W/KEYLESS ENTRY) YEL WIRE YEL/BLK WIRE YEL/RED 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

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