Lexus RX II facelift (2006-2009) computer data lines system Wiring diagrams

5 4 3 2 1 IG BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRAKE ACTUATOR (RIGHT REAR OF ENGINE COMPT) BRAKE FLUID LEVEL WARNING SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE CANH CANL GND CANL CANH COMPUTER DATA LINES SYSTEM ECU-IG 1 FUSE IGN FUSE ESS BAT GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT IN ON OR START II (AT LEFT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 30, 31 (LEFT REAR CARGO AREA) JUNCTION CONNECTOR 37 (AT REAR CARGO AREA) JUNCTION CONNECTOR 42 (AT REAR CARGO AREA) JUNCTION CONNECTOR 6 (BEHIND LEFT SIDE OF DASH) IH JUNCTION CONNECTOR 9 (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PNK 9 10 11 12 13 WIRE PNK WIRE PNK/BLK WIRE RED WIRE STEERING ANGLE SENSOR (IN STEERING COLUMN, BEHIND STEERING WHEEL) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/RED WIRE YAW RATE SENSOR (CENTER OF VEHICLE) YEL WIRE YEL/GRN WIRE YEL/RED WIRE

+B(DOME) +BC 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 BZ ABS IND. AFS ECU (LEFT SIDE OF DASH) BEAN IC BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRAKE CONTROL IND BRAKE CONTROL POWER SUPPLY ASSEMBLY (REAR OF VEHICLE CHASSIS) BRAKE IND BRN WIRE BT (BEHIND RIGHT SIDE OF REAR BUMPER) BUZZER CANL CANH FAIL CIRCUIT COMBINATION METER COMPUTER DATA LINES SYSTEM CTY DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) DRIVE IC EA (AT RIGHT SIDE OF ENGINE COMPT) ECU B 1 FUSE DOME FUSE ECU-IG 2 FUSE ENA ENA FAIL GND FUSIBLE LINK BLOCK GRN WIRE GRN/RED WIRE GRY WIRE HEADLIGHT BEAM LEVEL CONTROL ECU (BEHIND LEFT END OF DASH) HOT AT ALL TIMES HOT IN ON OR START IK (TOP LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) GAUGE 2 FUSE J/B 3 (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 18 (RIGHT SIDE OF DASH) LCD (MULTI DISPLAY) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LEFT REAR SPEED SENSOR (AT LEFT REAR HUB ASSEMBLY) LT BLU WIRE LT GRN WIRE MASTER WARNING IND MICRO COMPUTER NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH (LEFT END OF DASH) PNK 5 6 SPDL SPDR WIRE PNK 6 7 SPDL SPDR WIRE PNK RLO WIRE PNK WIRE POWER SUPPLY RED WIRE RIGHT REAR SPEED SENSOR (AT RIGHT REAR HUB ASSEMBLY) RR- EXI RRO RSS SKG SKID CONTROL ECU (RIGHT SIDE OF DASH) SKS SLIP IND SPEEDOMETER STOP FUSE STOP LIGHT SWITCH TS VBZ VBZ VCSK VCSK SGSK SKG VIO WIRE W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WFSE WHT WIRE WHT/BLK WIRE YEL WIRE

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

+ECU 1 2 FSR+ FSR- 16 3 2 10 1 PBEW 19 2 LBE+ LBE- 22 24 COMPUTER DATA LINES SYSTEM 7 1 2 9 5 12 GND +B AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BATB BEAN BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BUCKLE SWITCH (DRIVER'S SIDE) (ON LEFT SEAT BELT BUCKLE) BUCKLE SWITCH (FRONT PASSENGER'S SIDE) (IN SEAT BELT BUCKLE) BUZZER CENTER CLUSTER INTEGRATION PANEL (W/O NAVIGATION) CIRCUIT PWR SPLY COMBINATION METER COMPUTER DATA LINES SYSTEM DCTY DOME DOME FUSE DOOR 1 FUSE DOOR 2 FUSE DRIVE IC DRIVER'S DOOR IND DRIVER'S SEAT BELT IND ECU-B 1 FUSE CRT FUSE FRONT PASSENGER SEAT BELT WARNING LIGHT FUSE FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG GND IG+ MPX+ MPX- COMPUTER DATA LINES SYSTEM IJ (LEFT TOP OF DASH) IL (CENTER OF DASH) INSTRUMENT PANEL J/B J/B 3 (LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MULTI-DISPLAY OCCUPANT FSR- BSW FSR+ BGND CLASSIFICATION ECU (AT RIGHT FRONT SEAT) ORG/ WIRE PANEL J/B RADIO 2 FUSE (LEFT SIDE OF DASH) RED WIRE SKID CONTROL ECU (RIGHT SIDE OF DASH) SPEEDO- METER UNLOCK WARNING SWITCH (UNDER LEFT SIDE OF DASH) VIO WIRE W/ NAVIGATION W/O NAVIGATION W/O NAVIGATION W/ NAVIGATION WARNING LIGHT SEAT BELT PASSENGER FRONT WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TIM- +B MSW VC BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DOWN SHORT ECU- IG 1 FUSE FUSIBLE LINK BLOCK ECU-B 1 FUSE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START II (AT LEFT KICK PANEL) IJ (LEFT TOP OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) LONG UP VC LT BLU WIRE LT GRN WIRE MSW ORG/ WIRE RED WIRE TELESCOPIC MOTOR TELESCOPIC SENSOR TEM TES TILT MOTOR TILT MOTOR (AT BASE OF STEERING COLUMN) TILT SENSOR TILT, TELESCOPIC ECU (AT BASE OF STEERING COLUMN) TIM+ TIM- GND TL, TE FUSE VCE VCI TIS VCI TIS IG ECUB TIM+ GND WHT WIRE WHT/BLK WIRE 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- ABFS AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BLK WIRE BLU WIRE BRN WIRE CENTER CLUSTER INTEGRATION PANEL COMBINATION METER COMPUTER DATA LINES SYSTEM CSR- SFR+ SFR- ICR- ICR+ PR+ PR- CURTAIN SHIELD AIR BAG SQUIB (LEFT) (LEFT REAR OF VEHICLE) DRIVE IC ESR SSR+ VUPR CSR+ VUCR ESCR GAUGE 2 FUSE GRN WIRE GRY WIRE GSW HOT IN ON OR START IC BEAN IGN FUSE II (AT LEFT KICK PANEL) IK (TOP LEFT SIDE OF DASH) INSTRUMENT BODY ECU PANEL J/B (LEFT SIDE OF DASH) GSW INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) KNEE AIR BAG SQUIB MICRO COMPUTER MULTI DISPLAY 15 14 ARON AIR PAON -SL PAON P-AB POWER SUPPLY CIRCUIT PRETENSIONER (LEFT) (IN BASE OF LEFT "B" PILLAR) RED WIRE SIDE AIR BAG SENSOR (LEFT FRONT) (AT LEFT "B" PILLAR) SIDE AIR BAG SENSOR (LEFT REAR) (AT BASE OF LEFT "C" PILLAR) SIDE AIR BAG SQUIB (LEFT) (IN DRIVER'S SEAT BACK) SR- SRS IND SSR+ VIO WIRE W/ LEXUS NAVIGATION SYSTEM W/O LEXUS NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 BD+ 1 2 BUZZER 3 21 2 25 BDSU 6 26 ALTB BECU BACK DOOR LOCK ASSEMBLY (IN CENTER OF TAILGATE) BACK DOOR OPENER SWITCH (IN TAILGATE ASSEMBLY) BATB 22 15 BD- BDDN MSE MSW CTYE HAF IG ECUB DC- DC+ BLK WIRE BLU WIRE BQ (BEHIND LEFT SIDE OF REAR BUMPER) BR (LEFT REAR CARGO AREA) BRN WIRE CL+ DSV CL- BD- BD+ DSG CL- CL+ GND COMPUTER DATA LINES SYSTEM COURTESY SWITCH DOOR 1 FUSE DOOR 2 FUSE DSG DSV ECU- IG 1 FUSE ECU-ACC FUSE ECU-B 1 FUSE FUL CTYO FULL LATCH SWITCH FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IJ (LEFT TOP OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/C 13 (CENTER OF DASH) J/C 30 (LEFT REAR CARGO AREA) J/C 36 (AT REAR CARGO AREA) J/C 40 (AT REAR CARGO AREA) J/C 41 (AT REAR CARGO AREA) LT BLU WIRE LT GRN WIRE NEUTRAL SWITCH ORG/ WIRE OSL OSE OSR OSLE OSRE PBD FUSE PBDS BCTY PNK WIRE PNK PNK WIRE PNK WIRE POS POWER BACK DOOR CLOSER SWITCH POWER BACK DOOR DRIVE UNIT (RIGHT SIDE OF DASH) POWER BACK DOOR OFF SWITCH POWER BACK DOOR OPENER/ CLOSER SWITCH POWER BACK DOOR WARNING BUZZER (AT RIGHT REAR TAILLIGHT) REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE SECONDARY LATCH SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 IG CL-SW ID-SW PNK WIRE 7 8 9 10 11 12 GND BEAN BLK WIRE BLU WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER IC ECU- IG 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT IN ON OR START IJ (LEFT TOP OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) MICRO COMPUTER ORG/ WIRE PNK WIRE PWR SPLY CIRCUIT RED WIRE TIRE PRESSURE IND TIRE PRESSURE WARNING ANTENNA, RECEIVER (REAR CENTER OF ROOF) TIRE PRESSURE WARNING ECU (BEHIND RIGHT SIDE OF DASH) TIRE PRESSURE WARNING RESET SWITCH TIRE PRESSURE WARNING SELECT SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/T OIL TEMP IND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER IC DSL ECT SNOW IND ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSAXLE) GAUGE 2 FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT IN ON OR START IK (BEHIND TOP LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LCD (SHIFT RANGE POSITION) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MULTI-MODE SHIFT LEVER TYPE EXCEPT MULTI-MODE SHIFT LEVER TYPE O/T ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RED/ WHT WIRE SLT- SPEEDOMETER VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

BL BTH- BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BO (LEFT REAR OF CARGO AREA) BRN WIRE BTH+ RMTG RMT CANISTER PRESSURE SENSOR CANISTER PUMP MODULE (LEFT REAR VEHICLE CHASSIS) COMPUTER DATA LINES SYSTEM ED (FRONT OF ENGINE) EE (REAR OF ENGINE) ENGINE COOLANT TEMPERATURE SENSOR (ON TOP FRONT OF ENGINE) EOM CANL FUEL TANK PRESSURE SENSOR FUO GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HYBRID VEHICLE CONTROL ECU (RIGHT SIDE OF DASH) IJ (LEFT TOP OF DASH) ILK J/C 13 (CENTER OF DASH) LEFT REAR CIRCUIT BREAKER SENSOR (LEFT REAR OF VEHICLE) LT BLU WIRE LT GRN WIRE M- M+ MOPS MPMP NCA WIRE NE- NE+ OIL PRESSURE SWITCH (ON LEFT FRONT CORNER OF ENGINE) ORG/ WIRE PPMP PTNK RED WIRE RIGHT REAR CIRCUIT BREAKER SENSOR (RIGHT REAR OF VEHICLE) RIGHT VVT SOLENOID SHIELD TRUNK, TAILGATE, FUEL DOORS SYSTEM VCC VENT VALVE VIO WIRE VPMP WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE