Lexus ES XV40 facelift (2009-2012) main body ecu Wiring diagrams

1 2 3 4 5 6 7 8 9 10 GND SLD+ SLD- FRV- +B FRV+ LFT+ RCL+ LFT- RCL- 1 2 3 4 5 6 7 8 CANL 10 9 8 7 21 MSWE MM 27 28 37 29 38 39 CANH CANL ASEL RCO RDA RSSI BLK WIRE BLU WIRE BRN WIRE CANN CANP CERTIFICATION ECU (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CSNF CSNR DCTY DOOR CONTROL RECEIVER (RIGHT SIDE OF TRUNK) ECU- IG 1 FUSE ECU-B 1 FUSE ELECTRICAL KEY ANTENNA (RIGHT SIDE OF LUGGAGE COMPARTMENT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES IG CANH INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/C LEFT FRONT SEAT POSITION CONTROL ECU, SWITCH (DRIVER'S SEAT) LEFT SEAT MEMORY SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MMRY OF DASH) ORG/ WIRE OUTER MIRROR CONTROL ECU (RIGHT SIDE OF DASH) P/SEAT FUSE PNK CANL WIRE PNK WIRE POWER SEAT MOTOR (LEFT FRONT SEAT POWER SEAT MOTOR (LEFT FRONT SEAT LEG SUPPORT CONTROL) (BASE OF LEFT FRONT SEAT) POWER SEAT MOTOR (LEFT FRONT SEAT LIFTER CONTROL) (BASE OF LEFT FRONT SEAT) POWER SEAT MOTOR (LEFT FRONT SEAT LUMBAR SUPPORT CONTROL) (LEFT FRONT SEAT BACK) POWER SEAT MOTOR (LEFT FRONT SEAT RECLINING CONTROL) (LEFT FRONT SEAT) POWER SEAT SWITCH (LEFT FRONT SEAT LEG SUPPORT CONTROL) (IF EQUIPPED) POWER SEAT SWITCH (LEFT FRONT SEAT LUMBAR SUPPORT CONTROL) RED WIRE RELAY ENERGIZED RSSI DATA +5 ASEL ANT GND SET- SLIDE CONTROL) (BASE OF LEFT FRONT SEAT) SYSB VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B (DOME) IG+ +STP WRN 2 9 3 5 8 7 4 11 -STP -TR +T -TL ASSEMBLY BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CAN I/F CANADA CENTER STOP LAMP COMBINATION METER COMPUTER DATA LINES SYSTEM DCTY DRIVE IC ECU-IG 2 FUSE FUSE GRN WIRE GRY WIRE HEAD HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED ECU- INSTRUMENT PANEL J/B J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LAMP FAILURE INDICATOR SENSOR (LEFT REAR HEADLIGHT ASSEMBLY) LCTY LEFT FRONT SIDE MARKER LAMP LEFT HEADLAMP ASSEMBLY LEFT TURN IND LGCY MAIN BODY ECU MICRO COMPUTER NOISE FILTER (STOP LAMP) (BASE OF LEFT "C" PILLAR) ORG/ WIRE PARKING PCTY PNK WIRE POWER SUPPLY CIRCUIT RCTY REAR LIGHTS IND RED WIRE RELAY ENERGIZED RELAY ENERGIZED ECU IG 1 FUSE RIGHT FRONT SIDE MARKER LAMP RIGHT HEADLAMP RIGHT TURN IND RR FOG/ BRK RELAY STOP FUSE TAIL TAIL FUSE TAIL IND TAIL RELAY WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

AIR BAG SENSOR TILT, TELESCOPIC ASSEMBLY CENTER ECU BLK WIRE BLOWER MOTOR BRN WIRE CENTER STOP LAMP CLEARANCE WARNING ECU DCM (TELEMATICS TRANSCEIVER) DOOR CONTROL RECEIVER FUEL LID OPENER MOTOR FUEL SUCTION PUMP, GAUGE ASSEMBLY INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) JUNCTION LAMP FAILURE INDICATOR SENSOR LEFT "C" PILLAR) LEFT FRONT POWER SEAT SWITCH LEFT FRONT SEAT BACK CLIMATE CONTROL BLOWER LEFT FRONT SEAT CUSHION CLIMATE CONTROL BLOWER LEFT FRONT SEAT INNER BELT LEFT FRONT SEAT LUMBAR SUPPORT CONTROL POWER SEAT SWITCH LEFT REAR COMBINATION LAMP LEFT REAR DOOR ELECTRICAL KEY OSCILLATOR LEFT REAR DOOR LOCK ASSEMBLY LEFT REAR POWER WINDOW ECU LEFT REAR POWER WINDOW SWITCH LEFT SEAT HEATER LUGGAGE DOOR LOCK ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH MAIN BODY ECU OCCUPANT CLASSIFICATION ECU POWER SEAT SWITCH POWER SWITCH RADIO RECEIVER ASSEMBLY REAR SUNSHADE RELAY RIGHT FRONT SEAT INNER BELT RIGHT LICENSE PLATE LAMP RIGHT REAR COMBINATION LAMP RIGHT REAR DOOR ELECTRICAL KEY OSCILLATOR RIGHT REAR DOOR LOCK ASSEMBLY RIGHT REAR POWER WINDOW ECU RIGHT REAR POWER WINDOW SWITCH RIGHT SEAT HEATER SEAT BELT CONTROL ECU SEAT CLIMATE CONTROL BLOWER (RIGHT FRONT SEAT BACK) SEAT CLIMATE CONTROL BLOWER (RIGHT FRONT SEAT CUSHION) TIRE PRESSURE WARNING ID CODE COMBINATION ECU METER BOX STEERING LOCK ECU W/O MEMORY WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 B+ 10 11 IMO IMI BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT SIDE OF DASH) EFI 1 ROOM J/B FUSE (LEFT FRONT OF ENGINE COMPARTMENT) EFII EFIO ENGINE GRN WIRE HOT AT ALL TIMES ID CODE BOX (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LIN LT GRN WIRE MAIN BODY ECU ORG/ WIRE STEERING LOCK ECU (STEERING COLUMN) WHT WIRE WHT/BLK WIRE YEL WIRE

17 19 LCTY PKB 5 6 CANH CANL 7 21 RCTY PCTY 9 16 15 SPD CANP CANN AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT SIDE OF DASH) CLOCK ASSEMBLY (W/ NAVIGATION) COMPUTER DATA LINES SYSTEM COURTESY DCM (TELEMATICS TRANSCEIVER) (UNDER FRONT PASSENGER'S SEAT) DCTY DISP DISPLAY, NAVIGATION MODULE DISPLAY (W/ NAVIGATION) DOOR LOCK ASSEMBLY ECU- IG 1 FUSE ECU-ACC FUSE ENGINE HOOD COURTESY SWITCH (FRONT OF ENGINE COMPT) GRN WIRE GRY WIRE HOT IN ON OR ACC HOT IN ON OR START HSW INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LEFT STEERING SWITCH LGCY LIN LT BLU WIRE MAIN BODY ECU PARKING BRAKE SWITCH (LEFT SIDE OF DASH) PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT STEERING SWITCH SPDP SPIRAL CABLE (LEFT SIDE OF DASH) STEERING PAD SWITCH SWG VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

ADJUST SWITCH AMR ANT ASEL BATB BLK WIRE BRN WIRE BZR CANN CANP CERTIFICATION ECU (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DATA DCTY DOOR 1 FUSE DOOR 2 FUSE DOOR CONTROL RECEIVER (RIGHT SIDE OF TRUNK) DOWN DOWN RIGHT ECU- IG 1 FUSE ELECTRICAL KEY ANTENNA (RIGHT SIDE OF LUGGAGE COMPARTMENT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LEFT LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT RIGHT LEFT RIGHT LT GRN WIRE MAIN BODY ECU MIRB MIRE MIRS ORG/ WIRE OUTER MIRROR SWITCH RCO RED WIRE RELAY ENERGIZED RET RETRACTABLE OUTER MIRROR SWITCH (IF EQUIPPED) RIGHT RSSI SELECT SWITCH UNFOLD AUTO FOLD UP LEFT VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER YEL WIRE

21 7 8 9 10 PNK CANL WIRE 27 28 37 29 38 39 CANH CANL ASEL RCO RDA RSSI 5 3 2 4 7 6 RSSI DATA +5 ASEL ANT GND BLK WIRE BLU WIRE BRN WIRE CANN CANP CERTIFICATION ECU (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DCTY DOOR CONTROL RECEIVER (RIGHT SIDE OF TRUNK) DOWN ECU- IG 1 FUSE ECU-B 1 FUSE ELECTRICAL KEY ANTENNA (RIGHT SIDE OF LUGGAGE COMPARTMENT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE J/B 4 (RIGHT SIDE OF DASH) J/C LEFT SEAT MEMORY SWITCH LT GRN WIRE MAIN BODY ECU MM MSWE MMRY SET MSW OF DASH) ORG/ WIRE OUTER MIRROR CONTROL ECU (RIGHT SIDE OF DASH) PNK WIRE RED WIRE RELAY ENERGIZED SHORT TEM+ TELESCOPIC MOTOR TES TI, TE FUSE TILT MOTOR TILT, TELESCOPIC ECU (STEERING COLUMN) TILT, TELESCOPIC SWITCH TIM+ TIM- TIS UP LONG VCE TELESCOPIC SENSOR TEM- VCI VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C FUSE A/F FUSE A/F RELAY ACCD ANTI-THEFT, DOOR LOCKS, SHIFT INTERLOCK & STARTING/CHARGING SYSTEMS BLK WIRE BLU WIRE BRN (OR RED) WIRE BRN WIRE C/OPN RELAY COMPT) FROM FUSE ST (DIAGRAM 1 OF 3) COMPUTER DATA LINES SYSTEM CRUISE CONTROL, ENGINE CONTROLS, TRANSMISSIONS SYSTEMS DEFOGGER SYSTEM EFI 2 FUSE EFI 3 FUSE EFI MAIN FUSE EFI RELAY ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEMS ENGINE CONTROLS, TRANSMISSIONS, CRUISE CONTROL SYSTEMS ENGINE ROOM J/B (LEFT ENGINE ROOM R/B (LEFT SIDE OF ENGINE FOG RELAY FR FOG FUSE GAUGE 2 FUSE FROM FUSE ALT-CDS (DIAGRAM 1 OF 3) FROM FUSE EFI 1 (DIAGRAM HORN FUSE 1 OF 3) FROM S-HORN RELAY (DIAGRAM 2 OF 3) FUEL OPN FUSE DOOR 2 FUSE OBD FUSE IGN FUSE FUSE GRY WIRE H-LP (LL) FUSE H-LP (LL) RELAY (EXCEPT HID TYPE) H-LP (LL) RELAY (HID TYPE) H-LP (RL) FUSE H-LP (RL) RELAY H-LP (RL) RELAY (HID TYPE) HEADLIGHTS SYSTEM HORN RELAY HORNS, ANTI-THEFT, STARTING/CHARGING, SHIFT INTERLOCK, DOOR LOCKS SYSTEMS J/B 3 (LEFT SIDE OF DASH) LT GRN WIRE MAIN BODY ECU MAIN BODY ECU (LEFT SIDE OF DASH) MIR HTR FUSE ORG/ WIRE POWER SWITCH RED WIRE RELAY RR DEF FUSE RR DEF RELAY S-HORN FUSE S-HORN RELAY TO FUSE EFI MAIN (DIAGRAM 2 OF 3) TO FUSE H-LP LVL TO (DIAGRAM FUSE CIG 3 OF 3) (DIAGRAM 3 OF 3) TO TAIL RELAY (DIAGRAM 3 OF 3) VIO WIRE WARNING SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

A/C 2 FUSE AIR CONDITIONING, DEFOGGER SYSTEMS AIR CONDITIONING, WARNING, DEFOGGER SYSTEMS BLK WIRE BLU WIRE BRN WIRE CIG FUSE CIGARETTE LIGHTER COOLING FANS SYSTEM ECU-ACC FUSE ECU-B 2 FUSE ECU-IG 2 FUSE EXTERIOR LIGHTS SYSTEM (CENTER OF DASH) EXTERIOR LIGHTS, CRUISE CONTROL, POWER WINDOWS SYSTEMS FROM FROM ACC RELAY (DIAGRAM 2 OF 3) FROM ACC RELAY (DIAGRAM TAIL FUSE 2 OF 3) FROM FUSE OBD (DIAGRAM 2 OF 3) GAUGE 1 FUSE ECU IG 1 FUSE GRN WIRE GRY WIRE H-LP LVL FUSE HEADLIGHTS SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE LT GRN WIRE MAIN BODY ECU MEMORY SYSTEM MEMORY, PASSIVE RESTRAINT SYSTEMS MIRRORS, POWER TOPS SYSTEMS OF DASH) P/SEAT FUSE PANEL FUSE PNK WIRE POWER FUSE POWER OUTLET SOCKET POWER TOPS SYSTEM POWER WINDOWS SYSTEM PWR FUSE PWR OUTLET FUSE RADIO 2 FUSE RED WIRE RR DOOR LH FUSE RR DOOR RH FUSE S-HTR FUSE S/ROOF FUSE SEATS SYSTEM SEATS, MEMORY SYSTEMS SHORT PIN SOUND, NAVIGATION SYSTEMS STOP FUSE TAIL RELAY TI, TE FUSE VIO WIRE WASH FUSE WHT WIRE WHT/BLK WIRE WIP FUSE WIPER/WASHER SYSTEM

BLK WIRE BRN WIRE BUCKLE SW RIGHT FRONT SEAT INNER BELT (RIGHT FRONT SEAT) CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE DRIVE IC ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GAUGE 2 FUSE GPS VPS GRN WIRE GRY WIRE GSW CANL CANH HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B IGN FUSE (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 J/B 3 (LEFT SIDE J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR (LEFT SIDE OF DASH) (CENTER OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU MICRO COMPUTER MPX-B FUSE OCCUPANT CLASSIFICATION ECU (BASE OF FRONT PASSENGER'S SEAT) OCCUPANT CLASSIFICATION SENSOR (BASE OF RIGHT FRONT SEAT) OF DASH) PNK WIRE POWER SUPPLY CIRCUIT RED WIRE SRS IND TC SEAT BELT TENSION SENSOR (BASE OF RIGHT FRONT SEAT) VIO WIRE VPS GBT IG DIA FSR+ FSR- BSW BGND GPS BT VBT WHT WIRE WHT/BLK WIRE YEL WIRE