Lexus RX II facelift (2006-2009) micro computer Wiring diagrams

+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

+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 19 20 21 22 23 24 B + BACK-UP LAMP RELAY BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BS (RIGHT REAR OF CARGO AREA) COMBINATION METER ECU- B 1 FUSE RADIO 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) CRT FUSE GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START HOT W/ IGCT RELAY ENERGIZED HYBRID VEHICLE CONTROL ECU (RIGHT SIDE OF DASH) IGCT 2 FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) RADIO 2 FUSE J/B 3 (LEFT SIDE OF DASH) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 14, 15 (CENTER OF DASH) J/C 38 (AT REAR CARGO AREA) J/C 4 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) J/C 7, 8 (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MIC - MICRO COMPUTER MODE MONITOR TERMINAL NAVIGATION ECU (AT REAR OF CARGO AREA) NCA WIRE ORG/ WIRE PNK 11 12 WIRE PNK 13 14 WIRE PNK WIRE POSITION SWITCH) PWR SPLY CIRCUIT R/B 3 (LEFT SIDE OF ENGINE COMPT) REAR J/B J/B 2 (LEFT SIDE OF ENGINE COMPT) (LEFT REAR SIDE OF CARGO AREA) RED WIRE RED/BLK WIRE SHIFT LEVER POSITION SENSOR (PARK/NEUTRAL SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF DASH) SPEEDO- METER TX- TX+ REV PNK WIRE VIO WIRE VOI- VOI+ WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+B(DOME) 1 2 3 4 5 6 7 8 9 10 PNK WIRE 11 12 14 PRG RDA DCTY 2 22 6 26 4 5 15 14 BATB 2 3 5 1 RDA PRG +B 25 24 31 27 26 11 10 14 1 5 UP DOWN MPX ALTB BECU BEAN IC BLK WIRE BLU WIRE BO (LEFT REAR OF CARGO AREA) BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BUZZER BZR CLS OPN COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE DOOR 1 FUSE DOOR 2 FUSE DOOR CONTROL RECEIVER (TOP OF LEFT "D" PILLAR) DRIVE IC ECU- IG 1 FUSE ECU-ACC FUSE ECU-B 1 FUSE ECU-B 2 FUSE FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IG MPX 1 II (AT LEFT KICK PANEL) IJ (LEFT TOP OF DASH) 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/C 13 (CENTER OF DASH) J/C 14, 15 (CENTER OF DASH) J/C 34 (LEFT REAR CARGO AREA) J/C 5 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) J/C 61 (LEFT REAR CARGO AREA) KEYLESS BUZZER (LEFT SIDE OF ENGINE COMPT) KUL LCD (MULTI DISPLAY) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LOCK LT BLU WIRE LT GRN WIRE MASTER WARNING IND MICRO COMPUTER MOON ROOF CONTROL ECU (FRONT CENTER OF ROOF) ORG/ WIRE OVERHEAD J/B (FRONT CENTER OF ROOF) PNK IG CLS OPN WIRE POWER SUPPLY CIRCUIT POWER WINDOW MASTER SWITCH RED WIRE RED/BLU WIRE S/ROOF FUSE UN LOCK UP DOWN ECUB IG 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

+B(DOME) 1 3 RMT RMTG BEAN IC BLK WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVE IC FRONT INVERTER GFIV GIT GND GIVA GIVB GIWA GIWB MG GINV OVHI MIT GRN WIRE GRY WIRE GUU GVU GWU GSDN VH HWT HWTG IK (TOP LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INVERTER (LEFT SIDE OF ENGINE COMPT) J/B 3 (LEFT SIDE OF DASH) LCD (MULTI DISPLAY) LT BLU WIRE LT GRN WIRE MALFUNCTION IND LAMP MASTER WARNING IND MFIV MIVA MIVB MIWA MIWB MUU MICRO COMPUTER MOTOR GENERATOR CONTROL COMPUTER MWU MVU MSDN OVLMO NCA WIRE NEI GI NODD HSDN RCSG RSNG ORG/ WIRE POWER SUPPLY CIRCUIT READY IND REAR MOTOR GENERATOR RED WIRE REQ- REQ+ CLK+ CLK- RRF RSN RCS RRFG RSNG RCSG RSN RCS RRFG RRF SI +B MTH+ MTH- HTM- HTM+ SKID CONTROL ECU (RIGHT SIDE OF DASH) SPEEDOMETER VIO WIRE WATER TEMP SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK 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

ANTI-LOCK BRAKES SYSTEM BEAN IC BLK WIRE BLK/RED WIRE BLU WIRE BO (LEFT REAR OF CARGO AREA) BRN WIRE BUZZER CENTER BATTERY BLOWER MOTOR (UNDER REAR SEAT ASSEMBLY) CHARGE IND COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVE IC FRONT MOTOR GENERATOR 2 (LEFT SIDE OF ENGINE COMPT) GAUGE 2 FUSE GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IK (TOP LEFT IND INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/C 35 (LEFT REAR CARGO AREA) J/C 6 (BEHIND LEFT SIDE OF DASH) J/C 62 (LEFT REAR CARGO AREA) J/C 9 (BEHIND LEFT SIDE OF DASH) LCD (MULTI DISPLAY) LEFT BATTERY BLOWER MOTOR LT BLU WIRE LT GRN WIRE MAIN BATT IND MALFUNCTION IND MASTER WARNING MCS MCSG MICRO COMPUTER MMT MMTG MRF MRFG MSN MSNG OIL PUMP MOTOR (TRANSAXLE) (LEFT FRONT OF ENGINE COMPT) OIL PUMP RELAY OPG OPST ORG/ WIRE PNK 31 32 33 WIRE PNK WIRE POWER METER POWER SUPPLY R/B 4 (LEFT SIDE OF ENGINE COMPT) R/B 4 (LEFT SIDE OF ENGINE COMPT) OIL PUMP FUSE READY IND RED WIRE RIGHT BATTERY BLOWER MOTOR (UNDER REAR PASSENGER'S SEAT) SIDE OF DASH) SPEEDOMETER VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE