Lexus RX II (2003-2006) body ecu Wiring diagrams

+SM 1 2 3 4 5 6 7 8 9 10 +1 +2 1 2 3 PNK WIRE 2 3 +S AUTO OFF AUTO +2 9 4 AUTO WIPER ECU (TOP RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BODY ECU BRN WIRE COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EA (AT RIGHT SIDE OF ENGINE COMPT) EARLY PRODUCTION EB (AT RIGHT OF SURGE TANK) ECU- IG 1 FUSE ECU-B FUSE FR WIP FUSE FRONT WASHER MOTOR (BEHIND RIGHT FRONT HEADLIGHT) FRONT WIPER MOTOR (ON LEFT SIDE OF FIREWALL) FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) FWAS AUTO +B GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN OR OR START IJ (LEFT TOP OF DASH) IM (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) WASHER FUSE J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR 1 JUNCTION CONNECTOR 13 JUNCTION CONNECTOR 13 (CENTER OF DASH) JUNCTION CONNECTOR 18, 19 JUNCTION CONNECTOR 18, 19 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 2 LATE PRODUCTION LOW AUTO OFF +B 2 8 LT (OR LT BLU WIRE LT GRN WIRE MIST HIGH +1 MIST WIPER SWITCH HIGH LOW PNK WIRE RAIN SENSOR (CENTER FRONT OF ROOF, AT WINDSHIELD) RED WIRE SIG MPX ES VIO WIRE WASHER LEVEL IND WASHER LEVEL WARNING SWITCH (IN RIGHT FRONT CORNER OF ENGINE COMPT) WASHER SWITCH WHT WIRE WHT/BLK WIRE WIG YEL WIRE

BLK WIRE BLU WIRE BODY ECU BRN WIRE COMBINATION SWITCH DRL 4 RELAY EB (AT RIGHT OF SURGE TANK) FRONT WASHER MOTOR (BEHIND RIGHT FRONT HEADLIGHT) FRWA FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE H-LP CLN FUSE H-LP L RELAY H-LP R RELAY HDLO HEAD HEADLIGHT CLEANER CONTROL RELAY (BELOW RIGHT HEADLIGHT ASSEMBLY) HEADLIGHT CLEANER MOTOR (BEHIND RIGHT FRONT HEADLIGHT) HEADLIGHT CLEANER SWITCH HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR START HRLY HDLO II (AT LEFT KICK PANEL) INSTRUMENT PANEL J/B ECU-IG 2 (LEFT SIDE FUSE OF DASH) J/B 2 (IN ENGINE ROOM R/B) J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 19 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 2 JUNCTION CONNECTOR 7, 8 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 9 (BEHIND LEFT SIDE OF DASH) LT GRN WIRE MAIN FUSE OFF TAIL PNK IG WIRE PNK WIRE RED WIRE SOLID STATE VIO WIRE WASHER FUSE WHT WIRE WHT/BLK WIRE YEL WIRE

6 5 7 1 TC ACCESS MODE SWITCH BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU CENTER CLUSTER INTEGRATION PANEL MULTI DISPLAY CIGARETTE LIGHTER ILLUMINATION COMBINATION METER COMBINATION SWITCH CONSOLE BOX ILLUMINATION CSPT DOME FUSE ECU-B FUSE ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD OFF HEADLIGHT CLEANER SWITCH HEIGHT CONTROL SWITCH HOT AT ALL TIMES HOT IN ON OR START II (AT LEFT KICK PANEL) IK (TOP LEFT SIDE OF DASH) IM (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 3 INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 11 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 14, 15 (CENTER OF DASH) LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN SWITCH (INVERTER) (LEFT END OF DASH) ORG/ WIRE OVERHEAD J/B (FRONT CENTER OF ROOF) CILL PANEL FUSE POWER BACK DOOR OPENER/ CLOSER SWITCH POWER SUPPLY CIRCUIT RADIO, GLOVE PLAYER BOX LIGHT RADIO, PLAYER RED WIRE RHEOSTAT TRIP SWITCH SEAT HEATER SWITCH SWG TAIL TAIL RELAY TRANSMISSION CONTROL SWITCH VIO WIRE W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM W/O NAVIGATION W/ NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

AIRSUS FUSE ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BODY ECU BODY ECU BATB BRN WIRE CIG FUSE CIGARETTE LIGHTER DEFOGGER, MIRRORS SYSTEMS DOOR 2 FUSE DOORS, MEMORY, ANTI-LOCK BRAKE SYSTEMS ECU- IG 1 FUSE ECU-ACC FUSE ECU-IG 2 FUSE ELECTRONIC SUSPENSION SYSTEM FR DEF FUSE TI, TE FUSE FR WIP FUSE FROM FUSIBLE LINK BLOCK FROM FUSIBLE LINK BLOCK (INP-J/B FUSE, FROM IGN 1 RELAY (DIAGRAM 2 OF 3) FROM INSTRUMENT PANEL J/B (DIAGRAM 1 OF 3) FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) MODE MONITOR TERMINAL GAUGE 1 FUSE GRN WIRE GRY WIRE IH (LEFT SIDE OF DASH) II (AT LEFT KICK PANEL) IJ (LEFT TOP OF DASH) IM (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 2 (IN ENGINE ROOM R/B) J/B 4 (RIGHT SIDE OF DASH) J/B ECU J/C 13 (CENTER OF DASH) LT BLU WIRE LT GRN WIRE MEMORY SYSTEMS MIRRORS, WIPER/WASHER, MPX-B FUSE NAVIGATION, EXTERIOR LIGHTS, PASSIVE RESTRAINT SYSTEMS NAVIGATION, POWER TOPS, BODY COMPUTER, ANTI-THEFT SYSTEMS NAVIGATION, SHIFT INTERLOCK, MIRRORS SYSTEMS NAVIGATION, SOUND, BODY COMPUTER, WARNING SYSTEMS ORG/ WIRE PNK WIRE PWR OUTLET 1 FUSE RADIO 2 FUSE REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE RELAY RR WIP FUSE SEAT HTR FUSE SEATS SYSTEM SOUND, NAVIGATION SYSTEMS TO IGNITION SWITCH ACC (DIAGRAM 3 OF 3) TO IGNITION SWITCH IG 1 (DIAGRAM 3 OF 3) TO IGNITION TO J/B 3 (DIAGRAM 3 OF 3) TO REAR J/B (DIAGRAM 3 OF 3) TO TAIL RELAY (DIAGRAM 1 OF 3) TO TI, TE FUSE (DIAGRAM 2 OF 3) VIO WIRE WARNING, CRUISE CONTROL, NAVIGATION, COMPUTER DATA LINES, TRUNK, TAILGATE, FUEL WASHER FUSE HEATER FUSE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM AIR CONDITIONING, COOLING FANS, DEFOGGER, MIRRORS SYSTEMS YEL WIRE

+SR P+ P- SIL D- D+ +SL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 P-AB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 FSR+ FSR- AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BLK WIRE BLU WIRE BODY ECU BRN WIRE CENTER CLUSTER INTEGRATION PANEL COMBINATION METER COMPUTER DATA LINES SYSTEM CSR- SFR+ SFR- ICR- ICR+ PR+ PR- EARLY PRODUCTION W/O LEXUS NAVIGATION SYSTEM ESR SSR+ VUPR CSR+ VUCR ESCR GAUGE 2 FUSE GRN WIRE GRY WIRE GSW HOT IN ON OR START IGN FUSE II (AT LEFT KICK PANEL) IK (TOP LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) JUNCTION CONNECTOR 12 (CENTER OF DASH) LATE PRODUCTION W/ LEXUS NAVIGATION SYSTEM LEFT FRONT SIDE AIR BAG SENSOR (AT LEFT "B" PILLAR) LEFT REAR SIDE AIR BAG SENSOR (AT BASE OF LEFT "C" PILLAR) MAYDAY ECU (LEFT REAR OF VEHICLE) MULTI-DISPLAY P-AB RED WIRE SL- SR- SRS SSR+ VIO WIRE W/ LEXUS NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE