Toyota Avalon XX30 facelift 2 (2010-2012) micro computer Wiring diagrams

ABS IND. BLK WIRE BLU WIRE BLU/BLK WHT WIRE BLU/BLK WIRE BRAKE FLUID LEVEL WARNING SWITCH BRAKE FLUID LEVEL WARNING SWITCH (BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE CIRCUIT COMBINATION METER COMBINATION METER (BEHIND LOWER RIGHT CENTER OF DASH) COMPUTER COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DATA LINES DRIVE IC ECU B+ ECU- IG 1 FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B GATEWAY ECU GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GAUGE 2 FUSE 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) LT BLU WIRE LT GRN WIRE MICRO COMPUTER ORG/ WIRE PNK WIRE POWER POWER SUPPLY CIRCUIT RED WIRE SLIP IND SLIP OFF IND SPEEDOMETER STEERING COLUMN) STEERING SENSOR STEERING SENSOR (STEERING COLUMN) STOP 1 FUSE STOP 2 FUSE STOP LAMP SWITCH STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH) SUPPLY SYSTEM TRAC OFF IND TRACTION CONTROL SWITCH TRACTION CONTROL SWITCH (LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR YAW RATE SENSOR (BELOW REAR OF CENTER FLOOR CONSOLE) YEL WIRE

41 49 CANH CANL TACH 78 79 ETHW THW A/C AMPLIFIER A/C AMPLIFIER (RIGHT SIDE OF DASH) A/C BLOWER ASSEMBLY A/C COMPRESSOR A/C COMPRESSOR (RIGHT FRONT OF ENGINE COMPT) 1 2 3 GND SI +B A/C EVAPORATOR A/C FUSE A/C PRESSURE SENSOR A/C PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) A/C ROOM TEMPERATURE SENSOR A/C ROOM TEMPERATURE SENSOR (BEHIND CENTER OF DASH) A/C SOLAR SENSOR A/C SOLAR SENSOR AUTOMATIC LIGHT CONTROL SENSOR (TOP OF DASH) AUTOMATIC LIGHT CONTROL SENSOR B+ BUS BLK WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLW BRN WIRE BUS - BUS G COMBINATION METER COMPUTER DATA LINES SYSTEM DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX DRIVER SIDE) DAMPER SERVO MOTOR (AIR MIX FRONT PASSENGER SIDE) DAMPER SERVO MOTOR (AIR VENT MODE) ECU B+ ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) FLOW CONTROL VALUE FLOW CONTROL VALVE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT A/C FUSE PANEL J/B (BEHIND LEFT SIDE OF DASH) HOUSING COLOR (GREEN) HOUSING COLOR (RED) WIRE INSTRUMENT PANEL J/B LOCK LOCK SENSOR LOUT LT BLU WIRE LT GRN WIRE MAGNETIC CLUTCH MAGNETIC CLUTCH MG+ MG+ MGC MICRO COMPUTER MPX MPX+ MPX- ORG/ WIRE PNK WIRE PRE PRE TSP RED WIRE ROUT SEATS SYSTEM SG-1 SG-1 GND IG+ SG-2 SG-3 SG-8 SHL SHR SHR MGC SMART CONNECTOR SMART CONNECTOR HOUSING COLOR (BLACK) SMART CONNECTOR HOUSING COLOR (BLUE) SMART CONNECTOR HOUSING COLOR (GREEN) SOL + SSR+ TACH TACO TEA SGA TEMPERATURE SENSOR TEMPERATURE SENSOR A/C EVAPORATOR TEMPERATURE SWITCH TR SG-3 TSD TSHL TSHR TSHR TSHL TSL TSP TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

25 11 CANL CANH BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAN (+) CAN B CAN+ CAN- +B STP CIRCUIT COMBINATION METER COMPT) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CONTROL SWITCH STEERING WHEEL PAD CRUISE IND DRIVE IC ECU B+ ECU-B CRUISE IND IG+ ECU-B FUSE ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ETCS FUSE ETCS FUSE STOP 1 FUSE FL+ FL- FR+ FR- RL+ RL- RR+ RR- FL- PNK FR+ WIRE GAUGE 1 FUSE GAUGE 2 FUSE GAUGE 2 FUSE GAUGE 1 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT SPEED SENSOR LEFT FRONT SPEED SENSOR (MOUNTED ON LEFT FRONT WHEEL HUB ASSEMBLY) LEFT REAR SPEED SENSOR LT BLU WIRE LT GRN WIRE MICRO COMPUTER NCA WIRE ON OFF ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH (TRANSAXLE) PL RL NL 2 8 PNK WIRE POWER SUPPLY RED WIRE RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR RIGHT REAR SPEED SENSOR (MOUNTED ON RIGHT REAR WHEEL HUB ASSEMBLY) SET IND SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF ENGINE SPEEDOMETER SPIRAL CABLE SPIRAL CABLE (STEERING COLUMN) STEERING WHEEL PAD STOP 1 FUSE STOP LAMP SWITCH STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH) TRANSAXLE TRANSMISSION CONTROL ECU (LEFT FRONT OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL 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

+5 DATA 1 2 3 4 5 GND RDA PRG 22 21 POWER IG+ SUPPLY CIRCUIT MPX- PNK WIRE 28 27 39 38 29 COMPUTER DATA LINES SYSTEM A/C CONTROL ASSEMBLY ALT FUSE ANT BEAN I/F BEAN P-I/P I/F I/F BLK WIRE BLU WIRE BRN WIRE BUZZER CERTIFICATION ECU (W/ SMART KEY) COMBINATION METER COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DATA DOOR CONTROL RECEIVER DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) DRIVER'S SIDE DOOR COURTESY SWITCH DRIVER'S SIDE DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) ECU B+ ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B GRN WIRE GRY WIRE HEAD HORN RELAY HORNS SYSTEM HOT AT ALL TIMES IGN KEY CYLINDER LIGHT LT BLU WIRE LT GRN WIRE MI SIDE I/F (+B) MICON MICRO COMPUTER MPX ORG/ WIRE P-I/P I/F PNK WIRE POWER SUPPLY CIRCUIT RCO RED WIRE RSSI RSSI GND ANT RSSI RDA RCO S-HORN FUSE SECURITY HORN SECURITY HORN RELAY SECURITY IND SUPPLY SYSTEM TRANSPONDER KEY AMPLIFIER (W/O SMART KEY) (IN STEERING COLUMN) UNLOCK WARNING SWITCH UNLOCK WARNING SWITCH (W/O SMART KEY) (LOWER LEFT SIDE OF DASH) VIO WIRE W/O SMART KEY W/O SMART KEY W/ SMART KEY WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIRELESS DOOR LOCK BUZZER 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

+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

+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

+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

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