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

+B (DOME) 14 16 PBEW IG+ A/C CONTROL ASSEMBLY BGND BLK WIRE BLU WIRE BODY ECU BODY ECU (ATTACHED TO DRIVER SIDE J/B) BRN WIRE BSW BUZZER CIRCUIT COMBINATION METER COMPUTER DATA LINES SYSTEM DBKL DCTY DIA DOOR IND DRIVE IC DRIVER'S SEAT BELT IND DRIVER'S SEAT BELT IND DOOR IND +B DOME DRIVER'S SIDE DOOR COURTESY SWITCH DRIVER'S SIDE DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) DRIVER'S SIDE FRONT SEAT INNER BELT DRIVER'S SIDE FRONT SEAT INNER BELT (UNDER DRIVER'S SEAT) ECU B+ ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SEAT BELT WARNING FRONT PASSENGER'S SIDE FRONT SEAT INNER BELT FRONT PASSENGER'S SIDE FRONT SEAT INNER BELT (UNDER FRONT PASSENGER'S SEAT) GAUGE 2 FUSE GRN WIRE GRY WIRE GUAGE 2 FUSE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START HTR FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT "C" PILLAR) LT GRN WIRE MICRO COMPUTER OCCUPANT CLASSIFICATION ECU OCCUPANT CLASSIFICATION ECU (FRONT PASSENGER'S SEAT) ORG/ WIRE PBEW PNK WIRE POWER POWER SUPPLY CIRCUIT RED WIRE SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF ENGINE COMPT) SUPPLY UNLOCK WARNING SWITCH UNLOCK WARNING SWITCH (W/O SMART KEY SYSTEM) (LOWER LEFT SIDE OF DASH) VIO WIRE 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

1 5 GND +B 3 2 PRG RDA 49 41 CANL CANH ALT FUSE BEAN I/F BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) DRIVE IC DRIVER'S SIDE DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) ECU B+ ELECTRONIC KEY IND DOME +B ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY GRN WIRE GRY WIRE HEAD HORN RELAY HORNS SYSTEM HOT AT ALL TIMES IGN KEY CYLINDER LIGHT LT GRN WIRE MI SIDE I/F (+B) MICON MICRO COMPUTER MPX+ 33 13 PNK MPX- WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (TRANSAXLE) PNK WIRE POWER SUPPLY CIRCUIT RED WIRE S-HORN FUSE SECURITY HORN (RIGHT REAR OF ENGINE COMPT) SECURITY HORN RELAY SUPPLY TRANSPONDER KEY AMPLIFIER (IN STEERING COLUMN) UNLOCK DETECTION UNLOCK WARNING SWITCH (LOWER LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

18 17 PNK WIRE BLK WIRE BLU WIRE BRN WIRE COMBINATION METER DIODE (STEREO COMPONENT AMPLIFIER) GAUGE 2 FUSE GRN WIRE GRY WIRE HOT W/ ACC RELAY ENERGIZED INNER REAR VIEW MIRROR INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE MICRO COMPUTER MICROPHONE NCA WIRE PNK WIRE POWER SUPPLY CIRCUIT RADIO 2 FUSE RED WIRE RELAY ENERGIZED SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF ENGINE COMPT) SPEEDOMETER VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 RR+ RL+ RR- ADIM ARI ASGN ALI AGND BLK WIRE BLU WIRE BRN WIRE CENTER SPEAKER COMBINATION METER GAUGE 2 FUSE GRN WIRE GRY WIRE HOT W/ ACC RELAY ENERGIZED ILL- RL- GND INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR SPEAKER LEFT REAR TWEETER TW- TW- TW+ LEFT STEERING SWITCH LEFT TWL+ FRONT TWEETER LT BLU WIRE LT GRN WIRE MICRO COMPUTER MODE SEEK- NCA WIRE ON HOOK VOL+ OFF HOOK VOL- ORG/ WIRE PNK SPD WIRE PNK WIRE POWER SUPPLY CIRCUIT RADIO 2 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED RIGHT FRONT DOOR SPEAKER RIGHT REAR LEFT REAR DOOR SPEAKER DOOR SPEAKER RIGHT STEERING SWITCH RIGHT TW+ REAR TWEETER RIGHT TWR+ TWR- VOICE FRONT TWEETER SEEK SPEEDOMETER SPRIAL CABLE (STEERING COLUMN) STEERING PAD SWITCH SWG TWL- VIO WIRE 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 (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 (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 (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

1 2 3 4 5 6 7 8 9 10 11 12 +B DIA GND FSR- BGND BGND BLK WIRE BLU WIRE BRN WIRE BSW COMBINATION METER COMPUTER DATA LINES SYSTEM DIA DRIVER IC ECU B+ ENGINE ROOM J/B FRONT PASSENGER'S SIDE FRONT SEAT INNER BELT GAUGE 2 FUSE GRN WIRE GRY WIRE HOT IN ON OR START HOT IN ON OR START ENGINE ROOM J/B GAUGE 2 FUSE (LEFT SIDE OF ENGINE COMPT) IG FSR+ BSW IGN FUSE IND IND SRS INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) JUNCTION LEFT FRONT AIR BAG SENSOR LEFT FRONT OCCUPANT CLASSIFICATION SENSOR LEFT PRETENSIONER LEFT PRETENSIONER (LOWER LEFT "B" PILLAR) LEFT REAR OCCUPANT CLASSIFICATION SENSOR LT GRN WIRE MICRO COMPUTER MPX OCCUPANT CLASSIFICATION ECU OCCUPANT CLASSIFICATION ECU (FRONT PASSENGER'S SEAT) PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT FRONT AIR BAG SENSOR RIGHT FRONT OCCUPANT CLASSIFICATION SENSOR RIGHT REAR OCCUPANT CLASSIFICATION SENSOR SL- SR- SRS VIO WIRE W/O CLIMATE CONTROL SEATS WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 CLSW SPD TC TACH IND 1 4 5 RDA GND BLK WIRE BLU WIRE BRN WIRE BUZZER CIRCUIT COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVE IC ECU- IG 1 FUSE ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) GAUGE 2 FUSE GND SIL GRN WIRE GRY WIRE GUAGE 2 FUSE HOT IN ON OR START IND INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE MICRO COMPUTER ORG/ WIRE PNK RDA WIRE PNK WIRE POWER POWER SUPPLY CIRCUIT RED WIRE SIL SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF ENGINE COMPT) SUPPLY TACH TIRE PRESSURE IND TIRE PRESSURE WARNING ANTENNA, RECEIVER TIRE PRESSURE WARNING ANTENNA, RECEIVER (LEFT "C" PILLAR) TIRE PRESSURE WARNING ECU TIRE PRESSURE WARNING ECU (BEHIND RIGHT SIDE OF DASH) TIRE PRESSURE WARNING RESET SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

33 13 PNK WIRE BLK WIRE BLU WIRE BRN WIRE CIRCUIT COMBINATION METER COMPUTER COMPUTER DATA LINES SYSTEM ECU- IG 1 FUSE ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) ECU IG 1 INSTRUMENT PANEL J/B LCD LT BLU WIRE LT GRN WIRE MICRO - MICRO COMPUTER ORG/ WIRE PNK WIRE POWER POWER SUPPLY RED WIRE SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT SIDE OF ENGINE COMPT) STOP 1 FUSE STOP 3 FUSE STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH) SUPPLY TRANSMISSION CONTROL SWITCH VIO WIRE W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

ALT FUSE AUTO HIGH LOW MIST OFF AUTO LOW BEAN I/F BLK WIRE BLU WIRE BRN WIRE COMBINATION METER COMPT) COMPUTER DATA LINES SYSTEM DRIVE IC 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 ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GAUGE 2 FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START IND INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEVEL LT GRN WIRE MICON MICRO COMPUTER MIST MPX MPX-B FUSE OFF ORG/ WIRE P-I/P I/F (IG PULL UP) P-I/P I/F BEAN I/F (IG PULL UP) PANEL) PNK WIRE POWER SUPPLY CIRCUIT RAIN SENSOR RED WIRE RELAY ENERGIZED SIG SUPPLY RESET WDT VIO WIRE W/ SMART KEY W/O SMART KEY WASHER WASHER FUSE WASHER LEVEL WARNING SWITCH WASHER RELAY WASHER SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR WINDSHIELD WASHER MOTOR (RIGHT FRONT OF ENGINE COMPT, ON WASHER FLUID RESERVOIR) WINDSHIELD WIPER MOTOR (LEFT REAR OF ENGINE COMPT) WINDSHIELD WIPER SWITCH ASSEMBLY WIP (HI/LO) RELAY WIP CTRL RELAY WIP FUSE WIPER SWITCH WIPER VOLUME WIPER WASHER SWITCH SWITCH YEL WIRE