Toyota Avalon XX30 facelift 2 (2010-2012) computer data lines system Wiring diagrams

+B (DOME) 1 2 5 6 7 PNK WIRE ALT FUSE BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU BODY ECU (ATTACHED TO DRIVER SIDE J/B) BRN WIRE COMBINATION METER COMPT) COMPUTER COMPUTER DATA LINES SYSTEM DOME FUSE EAU ECU B+ ECU- IG 1 FUSE ECU-B FUSE ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE ENGINE ROOM R/B FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ECU IG+ IG+ IL+2 ILLUMINATION INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LED ILLUMINATION LEFT STEERING SWITCH LIGHT CONTROL LT GRN WIRE MICRO - MICRO COMPUTER OFF HEAD ORG/ WIRE PANEL FUSE PNK WIRE POINTER ILLUMINATION POWER SUPPLY CIRCUIT RED WIRE RELAY ENERGIZED RIGHT STEERING SWITCH SPIRAL CABLE (STEERING COLUMN) STEERING WHEEL PAD SWITCH SWITCH LIGHT CONTROL TAIL TAIL OFF TAIL RELAY VIO WIRE W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

11 12 3 MIRB MIRS MIRE BDR BLK WIRE BLU WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM CPUB DEFOGGER SYSTEM DM+R DMHR DMVR DOOR 1 FUSE DOWN DRIVER'S DOOR DVC ECU- IG 1 FUSE ECU-B FUSE ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) F/L DOOR FUSE F/R DOOR FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) FL DOOR FUSE HOT IN ON OR START HSRL HSSR INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT LEFT OUTER MIRROR CONTROL ECU LEFT OUTER MIRROR CONTROL ECU (DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR LEFT OUTER REAR VIEW MIRROR (FRONT OF DRIVER'S DOOR) LT BLU WIRE LT GRN WIRE LT LT MIRB MIRE MIRRORS SYSTEM MIRS MLP MLP 10 4 11 MRY MSW ORG/ WIRE OUTER MIRROR SWITCH PMHR PMR PMVR PNK WIRE PVC RED WIRE RIGHT RIGHT OUTER MIRROR CONTROL ECU RIGHT OUTER REAR VIEW MIRROR (FRONT OF FRONT PASSENGER'S DOOR) SEAT MEMORY SWITCH SET- SIG VIO WIRE VSRL VSSR WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 GND SLD+ SLD- FRV- +B FRV+ LFT+ RCL+ LFT- RCL- BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CPUB DRIVER'S DOOR DRIVER'S SEAT ECU- IG 1 FUSE ECU-B FUSE ENGINE ROOM R/B FRONT FRV- GND CPUB GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ECU-B FUSE HOT IN ON OR START INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR LEFT OUTER MIRROR CONTROL ECU LEFT OUTER MIRROR CONTROL ECU (DRIVER'S DOOR) LEG SUPPORT CONTROL) (IF EQUIPPED) LFT+ PNK RCL+ WIRE LFT- LT GRN WIRE LUMBAR SUPPORT CONTROL) MRY MRY SET ORG/ WIRE P/SEAT FUSE PNK WIRE POSITION CONTROL ECU, SWITCH POSITION CONTROL ECU, SWITCH (LEFT SIDE OF DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT FRONT VERTICAL CONTROL) POWER SEAT MOTOR (DRIVER'S SEAT LEG SUPPORT CONTROL) POWER SEAT MOTOR (DRIVER'S SEAT LIFTER CONTROL) POWER SEAT MOTOR (DRIVER'S SEAT LUMBAR SUPPORT CONTROL) POWER SEAT MOTOR (DRIVER'S SEAT LUMBAR SUPPORT CONTROL) (UNDER DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT RECLINING CONTROL) POWER SEAT MOTOR (DRIVER'S SEAT SLIDE CONTROL) POWER SEAT MOTOR (DRIVER'S SEAT SLIDE CONTROL) (DRIVER'S SEAT) POWER SEAT SWITCH (DRIVER'S SEAT LEG SUPPORT CONTROL) POWER SEAT SWITCH (DRIVER'S SEAT LUMBAR SUPPORT CONTROL) POWER SEAT SWITCH (DRIVER'S SEAT) RCL- REAR SEAT MEMORY SWITCH SET- SIG SLD SYSB VIO WIRE W/ DRIVER'S SEAT LEG SUPPORT CONTROL W/O DRIVER'S SEAT LEG SUPPORT CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

18 17 PNK WIRE 33 13 PNK WIRE BLK WIRE BLU WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DIODE (STEREO COMPONENT AMPLIFIER) ECU B+ ECU- IG 1 FUSE ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FLO FRO GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ IG 1 RELAY ENERGIZED INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MICRO COMPUTER NCA WIRE NUTE ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RADIO 1 FUSE RADIO 2 FUSE RED WIRE RELAY ENERGIZED SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF ENGINE COMPT) SPEEDOMETER STEREO COMPONENT TUNER ASSEMBLY (BEHIND RIGHT SIDE OF DASH) TXI+ TXO+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CA+ CB+ CGND COMPUTER DATA LINES SYSTEM CV+ GRN WIRE GRY WIRE INNER REARVIEW MIRROR LEFT STEERING SWITCH LT BLU WIRE MACC MIC - MICROPHONE MODE NAVIGATION RECEIVER ASSEMBLY NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK WIRE REAR TELEVISION CAMERA ASSEMBLY RED WIRE RIGHT STEERING SWITCH SEEK SGND SPRIAL CABLE STEERING PAD SWITCH TXI+ TXO+ VIO WIRE VOICE VOL (-) WHT WIRE YEL WIRE

A/C COMP A/C COMP FUSE A/C FUSE A/F RELAY ACC RELAY ACCD AIR CONDITIONING SYSTEM ALT-S FUSE AMP FUSE BATTERY BLK WIRE BLU WIRE BODY ECU BODY ECU TRLY BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL, TRANSMISSIONS, ENGINE CONTROLS SYSTEMS DOOR 1 FUSE DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, HEADLIGHTS SYSTEMS EFI 3 FUSE ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ETCS FUSE F/L DOOR FUSE FROM IGNITION SWITCH (DIAGRAM 1 OF 2) FUEL OPN FUSE FUSE FUSE FUSE GAUGE 1 FUSE GRN WIRE GRY WIRE HEADLIGHTS, ANTI-LOCK BRAKES SYSTEMS HEADLIGHTS, ANTI-THEFT, WIPER/ WASHER, HORNS, DOOR LOCKS SYSTEMS HORN RELAY HORNS, ANTI-THEFT, WIPER/WASHER, DOOR LOCKS SYSTEMS HTR FUSE IGNITION SWITCH INSTRUMENT PANEL J/B LOCK LOCK OFF LT BLU WIRE LT GRN WIRE MAIN FUSE MAIN FUSIBLE LINK MAIN FUSIBLE LINK (12 GA- MEMORY SYSTEMS MEMORY SYSTEMS FROM IGNITION SWITCH (DIAGRAM 1 OF 2) MIRRORS, POWER TOPS, WIPER/ WASHER SYSTEMS MPX-B FUSE OBD FUSE ON OFF ORG/ WIRE P SEAT FUSE P/ SEAT PNK WIRE POWER SOURCE CONTROL ECU POWER SOURCE CONTROL ECU (W/ SMART KEY SYSTEM) (BEHIND RIGHT SIDE OF DASH) POWER SWITCH POWER SWITCH (W/ SMART KEY SYSTEM) POWER TOPS SYSTEM POWER WINDOWS, MEMORY SYSTEMS PWR RELAY RED WIRE RELAY RELAY RR S/SHADE ECU HTR FUSE FUSE RR S/SHADE FUSE S ROOF FUSE S-HTR FUSE S/ ROOF FUEL OPN FL DOOR A/C OBD S-HTR FUSE FUSE FUSE FUSE FUSE FUSE FUSE SEATS SYSTEM SEATS, AIR CONDITIONING, COOLING FANS, DEFOGGER SYSTEMS SEATS, AIR WIPER/ CONDITIONING, WASHER SYSTEM COOLING FANS, DEFOGGER SYSTEMS SEATS, MEMORY SYSTEMS SHIFT INTERLOCK SYSTEM SOUND SYSTEMS ST+ STARTING/ CHARGING SYSTEM STARTING/ CHARGING, TRANSMISSIONS SYSTEMS STOP 1 FUSE STR LOCK FUSE SYSTEMS TAIL RELAY TAIL RELAY MPX-B TO ALT FUSE (DIAGRAM 2 OF 2) TO DOOR 2 FUSE (DIAGRAM 2 OF 2) TO ENGINE ROOM R/B (DIAGRAM 2 OF 2) TO GAUGE 1 TAIL FUSE FUSE (DIAGRAM 2 OF 2) TO INSTRUMENT PANEL J/B (DIAGRAM 1 OF 2) TO RADIO 2 FUSE (DIAGRAM 2 OF 2) TO TAIL FUSE (DIAGRAM 2 OF 2) TRANSMISSIONS, ANTI-THEFT, DOOR LOCKS TRANSMISSIONS, ANTI-THEFT, DOOR LOCKS SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN, HAZ FUSE VIO WIRE W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM WHT WIRE WIP FUSE WIP FUSE FUSE WIPER/ WASHER SYSTEM YEL WIRE

1 2 TR+ HAZ 20 17 4 10 LSWL LCTY 26 15 22 21 12 BECU IG 27 21 5 23 25 LSWP 41 49 COMPUTER CANH CANL DATA LINES SYSTEM BATB TRLY BLK WIRE BLK/WHT WIRE BLU WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM DCTY LSWD ACTD RCTY DETECTION DOOR 2 FUSE DRIVER'S SIDE DOOR LOCK ASSEMBLY (LEFT FRONT DOOR) ECU- IG 1 FUSE ECU-ACC FUSE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) FRONT PASSENGER'S SIDE DOOR COURTESY FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY (RIGHT FRONT DOOR) GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT REAR DOOR COURTESY SWITCH (LOWER LEFT "C" PILLAR) LOCK LSWR PCTY LGCY LT GRN WIRE LUGGAGE DOOR LOCK ASSEMBLY (LUGGAGE COMPARTMENT LID) MPX-B FUSE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (TRANSAXLE) PNK WIRE POWER WINDOW MASTER SWITCH RED WIRE RELAY ENERGIZED RIGHT REAR DOOR COURTESY SWITCH (LOWER RIGHT "C" PILLAR) RIGHT REAR DOOR LOCK ASSEMBLY (RIGHT REAR DOOR) SWITCH (LOWER RIGHT "B" PILLAR) TAIL RELAY TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) UNLOCK UNLOCK DETECTION VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B (DOME) 4 1 21 CPUB GND SEL 1 4 1 CPUB GND BLK WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM DOOR 1 FUSE DOOR LOCK CONTROL SWITCH DRIVE IC DRIVER'S SIDE DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) ECU B+ ECU-B FUSE EFI 3 FUSE ELECTRONIC KEY IND GRN WIRE HEAD RELAY HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B IG+ 22 21 LEFT OUTER MIRROR CONTROL ECU (W/ MEMORY) (DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR (FRONT OF DRIVER'S DOOR) LOCK LT BLU WIRE LT GRN WIRE MAIN FUSE MICRO METER ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT OUTER MIRROR CONTROL ECU (W/ MEMORY) (RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR (FRONT OF FRONT PASSENGER'S DOOR) UNLOCK WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

+5 DATA 4 6 HEAD ALT FUSE BEAN I/F BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BUZZER CLG CLGB COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) ENGINE ROOM J/B GRN WIRE GRN/WHT WIRE GRY WIRE HORN RELAY HORNS SYSTEM HOT AT ALL TIMES ID CODE BOX (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR ELECTRICAL KEY OSCILLATOR (DRIVER'S DOOR) LEFT FRONT DOOR OUTSIDE HANDLE LIN LT BLU WIRE LT GRN WIRE MI SIDE I/F (+B) MICON OF DASH) ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY RED WIRE RED/WHT WIRE RIGHT FRONT DOOR ELECTRICAL KEY OSCILLATOR (RIGHT FRONT DOOR) RIGHT FRONT DOOR OUTSIDE HANDLE RSSI GND S-HORN FUSE SECURITY HORN (RIGHT REAR OF ENGINE COMPT) SECURITY HORN RELAY SEL SENS SGT STEERING LOCK ECU (BEHIND LEFT SIDE OF DASH) TRG+ VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) CLG CLGB COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE GRY WIRE LEFT "C" PILLAR) LEFT REAR DOOR ELECTRICAL KEY OSCILLATOR (LEFT REAR DOOR) LEFT REAR DOOR OUTSIDE HANDLE LT BLU WIRE LT GRN WIRE LUGGAGE ELECTRICAL KEY SWITCH ORG/ WIRE PNK 9 8 WIRE PNK WIRE RCO RDA RSSI AGND RED WIRE RED/WHT WIRE RIGHT REAR DOOR ELECTRICAL KEY OSCILLATOR (RIGHT REAR DOOR) RIGHT REAR DOOR OUTSIDE HANDLE SEL SENS SGT STARTING/CHARGING SYSTEM TRG+ TSWS TXCT CODE LIN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE