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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 GND A/C COMP FUSE A/C CONTROL ASSEMBLY A/D IN AMBIENT TEMPERATURE SENSOR ANTI-THEFT SYSTEM AUTO BEAN I/F BEHIND GRILLE) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU EAC ENGINE ROOM J/B ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FAN RELAY 1 FRONT PASSENGER'S SEAT BELT WARNING GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR FUSE ILL+ LP SG INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM WARNING SYSTEMS LEFT STEERING SWITCH LP PAON PBEW LT GRN WIRE MAIN FAN MOTOR MG CLT RELAY MICON OFF ORG/ WIRE P-AB PAON PASSENGER AIR BAG ON/OFF IND PBEW RDI FAN FUSE REAR WINDOW DEFOGGER SWITCH RED WIRE RIGHT STEERING SWITCH SECURITY IND SENSOR (BEHIND GRILLE) SPIRAL CABLE SPIRAL CABLE (STEERING COLUMN) STEERING COLUMN) STEERING PAD SWITCH SUB FAN MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM TEMP VIO WIRE WARNING SYSTEMS WHT WIRE WHT/BLK WIRE 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

41 49 CANH CANL 78 79 ETHW THW BEAN I/F BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU COOLING FAN ECU (FRONT OF ENGINE COMPT) ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) ENGINE ROOM J/B ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FAN RELAY 1 GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE RDI FAN FUSE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR START HTR FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT GRN WIRE M- SUB FAN MOTOR M+ MAIN FAN MOTOR MAIN FAN MOTOR M+ MICON RDI FAN FUSE SUB FAN MOTOR WHT WIRE WHT/BLK WIRE YEL WIRE

+BM +BM TC VPA EPA VCPA PNK WIRE 2 1 20 44 28 36 35 3 27 55 59 57 56 60 58 +B 8 40 41 49 SPD CCS CANH CANL ACCELERATOR POSITION SENSOR (BEHIND LEFT CENTER OF DASH) BATT MREL IGSW STP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM EFI 1 FUSE EFI RELAY 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 GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LT GRN WIRE M- M+ NCA WIRE ORG/ WIRE PNK ETA WIRE PNK WIRE RED WIRE STOP 3 FUSE THROTTLE BODY ASSEMBLY (TOP REAR OF ENGINE) TOP OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU 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

31 30 22 MPX- MPX+ A/C AMPLIFIER (RIGHT SIDE OF DASH) A/C CONTROL ASSEMBLY BEAN I/F BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) 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) HTR FUSE HTR FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) JUNCTION JUNCTION CONNECTOR LEFT "C" PILLAR) LEFT OUTER REAR VIEW MIRROR LEFT OUTER REAR VIEW MIRROR (IF EQUIPPED) (FRONT OF DRIVER'S DOOR) LT GRN WIRE MICON MIR HTR FUSE MPX NOISE FILTER (REAR WINDOW DEFOGGER) NOISE FILTER (REAR WINDOW DEFOGGER) (LEFT ``C" PILLAR) ORG/ WIRE REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER SWITCH RIGHT OUTER REAR VIEW MIRROR RIGHT OUTER REAR VIEW MIRROR (IF EQUIPPED) (FRONT OF FRONT PASSENGER'S DOOR) RR DEF FUSE RR DEF RELAY WHT WIRE WHT/BLK WIRE YEL WIRE

1 20 3 ACT+ LSWL ACT- 12 11 14 7 8 4 16 RDA PRG DCTY LSWD 21 24 1 2 KSW IND TR+ HAZ 26 15 BECU IG 27 21 5 23 25 LSWP ACTD RCTY ASSEMBLY (LUGGAGE COMPARTMENT LID) BATB BATB TRLY BLK WIRE BLK/ WHT WIRE BLU WIRE BLU/BLK WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM DCTY DETECTION DETECTION UNLOCK DOME FUSE DOOR 1 FUSE DOOR 2 FUSE 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 ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SIDE DOOR COURTESY FRONT PASSENGER'S SIDE DOOR COURTESY SWITCH FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY (RIGHT FRONT DOOR) FUSE GAUGE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD RELAY HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES HEAD RELAY HOT IN ACC OR ON HOT W/ HOT W/ IG 1 RELAY ENERGIZED HTR FUSE IND INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LCTY LEFT "C" PILLAR) LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR LOCK ASSEMBLY LEFT REAR DOOR LOCK ASSEMBLY (LEFT REAR DOOR) LGCY LOCK LSWD LSWL LSWP LSWR LSWR PCTY LGCY LT BLU WIRE LT GRN WIRE LUGGAGE DOOR LOCK LUGGAGE DOOR LOCK ASSEMBLY MAIN FUSE MPX-B FUSE ORG/ WIRE PCTY PNK 13 12 WIRE PNK WIRE RCTY RED WIRE RIGHT REAR DOOR 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) SWITCH (LOWER RIGHT "B" PILLAR) TAIL RELAY TURN SIGNAL FLASHER TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) UNLOCK UNLOCK DETECTION VIO WIRE WHT WIRE WHT/BLK 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

+B +BM AICV +BM A/F FUSE A/F RELAY ACCELERATOR POSITION SENSOR (BEHIND LEFT CENTER OF DASH) ACCR ACCR STSW TACH SFTU AICV AIR BAG SENSOR ASSEMBLY CENTER BLK WIRE BLU WIRE BRN WIRE C/ OPN RELAY COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CCS CANH VPMP COMPUTER DATA LINES SYSTEM EFI 1 FUSE EFI 2 FUSE EFI RELAY EFII EFIO ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ETCS FUSE F/PS FC SPD FPS FUEL SUCTION PUMP, GAUGE ASSEMBLY FUEL SUCTION PUMP, GAUGE ASSEMBLY (FUEL TANK) FUEL TANK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE ID CODE BOX ID CODE BOX (BEHIND LEFT SIDE OF DASH) IMI IMO IMO IMI LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE MPMP ORG/ WIRE PNK TC IGSW COMPUTER DATA LINES SYSTEM WIRE PNK WIRE PUMP RED WIRE SFTD SFTU STA CANL STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM STARTING/CHARGING SYSTEM STOP 1 FUSE STSW TACH TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM SFTD TRANSPONDER KEY ECU TRANSPONDER KEY ECU (BEHIND LEFT SIDE OF DASH) VIO WIRE VPMP VSV (AIR INTAKE CONTROL) VSV (AIR INTAKE CONTROL) (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE