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

+ECU 17 4 13 14 7 16 15 LCTY 26 28 24 23 25 27 LGYL LCYL PCYL PCTY LGCY LSWP BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM CTY DCYL 14 7 DCTY DCYL DCTY LSWD RCTY RCYL DOME FUSE DRIVER'S SIDE DOOR COURTESY SWITCH DRIVER'S SIDE DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) DRIVER'S SIDE DOOR LOCK ASSEMBLY DRIVER'S SIDE DOOR LOCK ASSEMBLY (LEFT FRONT DOOR) ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE ECU-B FUSE DOME FUSE ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY (RIGHT FRONT DOOR) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT W/ INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LCTY LCYL LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LAMP LEFT REAR DOOR COURTESY LAMP LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY SWITCH (LOWER LEFT "C" PILLAR) LEFT REAR DOOR LOCK ASSEMBLY LEFT REAR DOOR LOCK ASSEMBLY (LEFT REAR DOOR) LEFT VANITY LAMP LGCY LGYL LSWD LSWL LSWP LSWR LT BLU WIRE LT GRN WIRE LUGGAGE COMPARTMENT LAMP LUGGAGE DOOR LOCK ASSEMBLY LUGGAGE DOOR LOCK ASSEMBLY (LUGGAGE COMPT LID) MAP LAMP NOISE FILTER (DOME, STOP) NOISE FILTER (DOME, STOP) (LEFT "C" PILLAR) OR ON ORG/ WIRE PCTY PCYL PNK WIRE RCTY RCYL RED WIRE RELAY ENERGIZED RIGHT FRONT DOOR COURTESY LAMP RIGHT REAR DOOR RIGHT REAR DOOR COURTESY LAMP RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY SWITCH (LOWER RIGHT "C" PILLAR) RIGHT REAR DOOR LOCK ASSEMBLY RIGHT REAR DOOR LOCK ASSEMBLY (RIGHT REAR DOOR) RIGHT VANITY LAMP ROOM LAMP VIO WIRE WHT WIRE WHT/BLK WIRE

+B (DOME) MICRO COMPUTER 1 21 GND BLK WIRE BLU WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CPUB DOOR +B IND (DOME) MICRO COMPUTER DOOR IND DRIVE IC ECU B+ FRONT PASSENGER'S SIDE DOOR COURTESY SWITCH FRONT PASSENGER'S SIDE DOOR COURTESY SWITCH (LOWER RIGHT "B" PILLAR) GRN WIRE GRY WIRE IGNITION KEY CYLINDER LIGHT ILL+ IGNITION KEY CYLINDER LIGHT LEFT OUTER MIRROR CONTROL ECU LEFT OUTER MIRROR CONTROL ECU (W/ MEMORY) (DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR LEFT OUTER REAR VIEW MIRROR (FRONT OF DRIVER'S DOOR) LT BLU WIRE LT GRN WIRE MLP ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT OUTER MIRROR CONTROL ECU RIGHT OUTER MIRROR CONTROL ECU (W/ MEMORY) (RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR RIGHT OUTER REAR VIEW MIRROR (FRONT OF FRONT PASSENGER'S DOOR) TRANSPONDER KEY AMPLIFIER VIO WIRE WHT WIRE WHT/BLK WIRE

+B (DOME) 1 2 3 4 5 6 7 8 IG LR LL 16 14 RCTY DCTY 23 21 PCTY AUTO AUTO DRL OFF AUTO TAIL AUTO TAIL BLK WIRE BLU WIRE BODY ECU BODY ECU (ATTACHED TO DRIVER SIDE J/B) BRN WIRE CANADA COMBINATION METER COMPUTER DATA LINES SYSTEM DCTY DOME FUSE DRIVE IC DRL OFF ECU B+ ECU- IG 1 FUSE ECU-B FUSE EL ER ENGINE ROOM R/B GAUGE 1 FUSE GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH HEAD HEAD IND HEAD LIGHT CONTROL SWITCH HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) TURN/ HAZ FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) STP INTERIOR LIGHT SYSTEM LCTY LEFT LEFT "C" PILLAR) LEFT REAR COMBINATION LAMP LEFT TURN IND LICENSE PLATE LAMP LIGHT CONTROL SWITCH LT GRN WIRE MICRO COMPUTER OFF OFF TAIL HEAD ORG/ WIRE PCTY PNK 1 2 5 WIRE PNK 1 WIRE PNK 2 PNK 1 WIRE PNK WIRE POWER SUPPLY CIRCUIT RCTY RED WIRE RELAY ENERGIZED RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) ECU IG 1 FUSE RIGHT RIGHT REAR COMBINATION LAMP RIGHT TURN IND SIDE MARKER STOP STOP TAIL TAIL TAIL FUSE TAIL HEAD IND IND (EXCEPT (USA) USA) (LEFT DRIVE IC "C" PILLAR) TAIL IND TAIL RELAY TAIL STOP TAIL TAIL TAIL STOP/ TURN TAIL TURN TRNL TRNR TRNR LCTY TURN TURN RIGHT SWITCH TURN SIGNAL FLASHER TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) TURN SWITCH TURN, HAZ FUSE USA VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

11 25 CANH CANL COMPUTER DATA LINES SYSTEM ALT FUSE AUXILIARY LIGHT (LIGHT PIPE) AUXILIARY LIGHT (LIGHT PIPE) RIGHT HEADLAMP ASSEMBLY BLK WIRE BLU WIRE BLU/BLK WIRE CENTER STOP LAMP COMPUTER DATA LINES SYSTEM ENGINE COMPT) ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LAMP LEFT "C" PILLAR) LEFT FRONT RIGHT FRONT TURN SIGNAL, TURN SIGNAL, PARKING LAMP PARKING LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL, PARKING LAMP LEFT HEADLAMP ASSEMBLY LEFT OUTER REAR VIEW MIRROR LT GRN WIRE NOISE FILTER (DOME, STOP) NOISE FILTER (DOME, STOP) (LEFT "C" PILLAR) PARKING PNK 6 1 7 WIRE PNK WIRE POWER SOURCE CONTROL ECU RED WIRE RIGHT FRONT SIDE MARKER RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL, PARKING LAMP RIGHT HEADLAMP ASSEMBLY RIGHT OUTER REAR VIEW MIRROR SHIFT LOCK CONTROL ECU SHIFT LOCK CONTROL ECU (UNDER CENTER FLOOR CONSOLE, NEAR PARKING BRAKE LEVER) SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF ENGINE COMPT) STOP 1 FUSE STOP 2 FUSE STOP 3 FUSE STOP LAMP SWITCH STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH) TRANSMISSION CONTROL ECU TURN VIO WIRE W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 SHG SHRR SHB 40 39 RLO RRO BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMBINATION METER COMBINATION METER POWER SUPPLY CIRCUIT COMPUTER DATA LINES SYSTEM ECU-IG 2 FUSE ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B GAUGE 2 FUSE GENERATOR GENERATOR 2 1 4 3 PNK WIRE GRN WIRE GRY WIRE HEAD IG+ LIGHT BEAM LEVEL IND MICRO COMPUTER HEAD RELAY HEAD- LIGHT BEAM LEVEL IND HEADLAMP LEVELING ECU (BEHIND LEFT SIDE OF DASH) HEADLIGHTS CIRCUIT HEIGHT CONTROL SENSOR (UNDER REAR OF VEHICLE) HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR HOT W/ INIT INSTRUMENT INSTRUMENT PANEL J/B J/C LEFT HEADLAMP LEVELING MOTOR LEFT HEADLAMP LEVELING MOTOR (BEHIND LEFT HEADLAMP) LT BLU WIRE LT GRN WIRE MAIN FUSE MICON MICRO COMPUTER ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RELAY ENERGIZED RELAY ENERGIZED ECU IG 2 GAUGE 2 PANEL J/B (BEHIND FUSE FUSE LEFT SIDE OF DASH) RIGHT HEADLAMP LEVELING MOTOR RIGHT HEADLAMP LEVELING MOTOR (BEHIND RIGHT HEADLAMP) RLO RRO SBR SGR SGR INIT SHRL SHB SHG SHRL SHRR SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF ENGINE COMPARTMENT) 2 1 4 3 SPDL SPDL SPDR SPDR VIO WIRE WHT WIRE WHT/BLK WIRE WNG YEL WIRE

BEAN I/F BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRL RELAY 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) EXCEPT HID HID GENERATOR GRN WIRE HEAD RELAY HEADLAMP ASSEMBLY- RIGHT HID HIGH LIGHT CONTROL ECU HOT AT ALL TIMES LEFT HEADLAMP (HIGH) LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP ASSEMBLY LOW (HID) LEFT HEADLAMP HIGH RIGHT HEADLAMP HIGH LEFT HEADLIGHT (LOW) LH RH UPR UPR HEAD HEAD FUSE FUSE LH- LWR HEAD FUSE LH-LWR HEAD FUSE RH-LWR HEAD FUSE LH-UPR HEAD FUSE LOW (HID) LT GRN WIRE MAIN FUSE MICON ORG/ WIRE P-I/P I/F (IG) PNK WIRE RED WIRE RH- LWR HEAD FUSE RH-UPR HEAD FUSE RIGHT HEADLAMP (HIGH) RIGHT HEADLIGHT (LOW) VIO WIRE WHT/BLK WIRE YEL WIRE

+B (DOME) 14 16 DCTY RCTY 19 4 PKB 4 2 1 HEAD IG 6 5 3 2 1 CLTB CLTS CLTE TSR TSL AIR CONDITIONING SYSTEM AUTO AUTO TAIL HEAD AUTOMATIC LIGHT CONTROL SENSOR AUTOMATIC LIGHT CONTROL SENSOR (TOP OF DASH) BEAM IND BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU BODY ECU (ATTACHED TO DRIVER SIDE J/B) BRN WIRE CANADA CLTB CLTE CLTE CLTS CLTB 5 6 CLTS COMBINATION METER COMPUTER DATA LINES SYSTEM DCTY RCTY DIMMER SWITCH DOME FUSE DRIVE IC DRL OFF DRL OFF AUTO ECU- IG 1 ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE ENGINE ROOM R/B FLASH DIMMER SWITCH HEADLAMP DIMMER SWITCH ASSEMBLY FOG FUSE FOG RELAY FOG SWITCH FOG SWITCH LO HIGH FLASH FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD AUTO HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT IN ACC OR ON HOT IN ON OR START LCTY LEFT FRONT FOG LAMP LIGHT CONTROL SWITCH LIGHT CONTROL SWITCH OFF TAIL LO HIGH LT BLU WIRE LT GRN WIRE MICRO COMPUTER OFF OFF TAIL ORG/ WIRE PARKING BRAKE PEDAL ASSEMBLY) PARKING BRAKE SWITCH PARKING BRAKE SWITCH (PARKING BRAKE PEDAL ASSEMBLY) PCTY PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT FRONT FOG LAMP TAIL TAIL FUSE TAIL RELAY TSL TSR USA VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

BEAN I/F BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-B 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) FUSE GRN WIRE GRY WIRE HORN HORN (HIGH) HORN (LOW) HORN FUSE HORN HIGH (LEFT FRONT OF ENGINE COMPT) HORN LOW (RIGHT FRONT OF ENGINE COMPT) HORN RELAY HORN SWITCH HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT GRN WIRE MICON MPX-B FUSE OF DASH) ORG/ WIRE PNK WIRE RED (OR BLK) WIRE RED WIRE SPIRAL CABLE SPIRAL CABLE (STEERING COLUMN) STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

+B (DOME) A/T A/T LCD ABS IND. ANTI-LOCK BRAKES SYSTEM BEAM IND BLK WIRE BLU WIRE BLU/BLK WIRE BRAKE FLUID LEVEL WARNING SWITCH BRAKE FLUID LEVEL WARNING SWITCH (BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BUZZER CANADA CHARGE IND CIRCUIT COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DISP DOME FUSE DOOR IND DOOR IND HEAD IND (USA) TAIL IND (EXCEPT USA) DRIVE IC DRIVE MONITOR DRIVER'S SEAT BELT IND DRIVER'S SEAT BELT IND SLIP OFF IND ECU B+ ECU-ACC FUSE ECU-B FUSE ELECTRONIC KEY IND ENGINE CONTROLS SYSTEM ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUEL GAUGE FUEL IND FUEL SUCTION PUMP, GAUGE ASSEMBLY FUEL SUCTION PUMP, GAUGE ASSEMBLY (FUEL TANK) FUEL TANK GAUGE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD IND TAIL IND (EXCEPT USA) HEADLIGHT BEAM LEVEL IND HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED ILLUMINATION INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LCD LCD (DRIVE MONITOR) LCD ILLUMINATION LCD ODO/TRIP LEFT TURN IND LEFT TURN IND RIGHT TURN IND LT BLU WIRE LT GRN WIRE MAINT REQD IND MAINT REQD IND CHARGE IND MALFUNCTION IND LAMP MALFUNCTION IND LAMP HEADLIGHT BEAM LEVEL IND MICRO COMPUTER ODO/TRIP OIL PRESSURE IND ORG/ WIRE PNK WIRE POINTER ILLUMINATION POSITION POWER POWER SUPPLY CIRCUIT RED WIRE RHEOSTAT RHEOSTAT/ TRIP RESET RIGHT TURN IND SET IND SLIP IND SLIP OFF IND SPEEDOMETER SPIRAL CABLE (STEERING COLUMN) SRS IND SUPPLY TACHOMETER TEMP GAUGE TIRE PRESSURE IND TRAC OFF IND TRAC OFF IND (USA) TRC OFF IND (CANADA) TRC OFF IND TRIP RESET USA VIO WIRE WARNING SYSTEMS WASHER LEVEL IND WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BUZZER CAMSHAFT TIMING OIL CONTROL VALVE (LEFT INTAKE SIDE) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT INTAKE SIDE) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT INTAKE SIDE) (RIGHT SIDE OF ENGINE) CAMSHAFT TIMING OIL CONTROL VALVE LEFT INTAKE SIDE) (LEFT SIDE OF ENGINE) CHARGING COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 GRN WIRE GRN/RED WIRE HEATED OXYGEN HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 INDICATOR LAMP INDICATOR LAMP MALFUNCTION LCD (A/T POSITION) LT BLU WIRE LT GRN WIRE MALFUNCTION MICRO COMPUTER NCA WIRE PNK WIRE POWER LCD SUPPLY (A/T POSITION) CIRCUIT POWER SUPPLY CIRCUIT RED WIRE STAR STARTING/ SYSTEM VSV (ACIS) VSV (ACIS) VSV (PURGE) (TOP FRONT (LEFT REAR OF ENGINE) OF ENGINE) VSV (PURGE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE