Toyota Avalon XX30 facelift 2 (2010-2012) (top rear of engine) Wiring diagrams

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

1 2 CAN+ CAN- 16 13 22 SIL CANH CANL 27 41 49 PNK TC CANH CANL WIRE 3 10 TC SIL 42 24 11 25 13 WFSE TS CANH CANL D/G AIR BAG SENSOR ASSEMBLY CENTER AIR BAG SENSOR ASSEMBLY CENTER (UNDER FRONT OF CENTER BLK WIRE BLU WIRE BRN WIRE CAN (+) CG SG CANH SIL LVL D/G DATA LINK CONNECTOR 3 DATA LINK CONNECTOR 3 (LOWER LEFT SIDE OF DASH) DIA ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) FLOOR CONSOLE) GRN WIRE GRY WIRE HEADLAMP LEVELING ECU HOT AT ALL TIMES INIT INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LVL OBD FUSE OCCUPANT CLASSIFICATION ECU OCCUPANT CLASSIFICATION ECU (FRONT PASSENGER'S SEAT) ORG/ WIRE PNK 3 14 WIRE PNK WIRE RED WIRE SIL SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT FRONT OF ENGINE COMPT) STEERING COLUMN) STEERING SENSOR STEERING SENSOR (STEERING COLUMN) TIRE PRESSURE WARNING ECU TIRE PRESSURE WARNING ECU (BEHIND RIGHT SIDE OF DASH) TRANSMISSION CONTROL ECU TRANSMISSION CONTROL ECU (LEFT FRONT OF ENGINE COMPT) TRANSPONDER KEY ECU TRANSPONDER KEY ECU (W/O SMART KEY SYSTEM) (BEHIND LEFT SIDE OF DASH) TS TC CANL WFSE BATT VIO WIRE W/ HEADLIGHT BEAM LEVEL CONTROL WFSE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR YAW RATE SENSOR (BELOW REAR OF CENTER FLOOR CONSOLE) 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

+B BATT MREL IGSW IMO IMI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 +B IG KSW TXCT AGND 4 1 7 5 6 CODE A/C CONTROL ASSEMBLY AGND TXCT BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CODE GND CTY IND PNK WIRE DATA LINK CONNECTOR 3 (LOWER LEFT SIDE OF DASH) DRIVER'S SIDE DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) EFI 1 FUSE EFI 3 FUSE EFI RELAY EFII EFIO ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HTR FUSE IGNITION KEY CYLINDER LIGHT INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) KEY COIL TRANSPONDER LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RELAY ENERGIZED RELAY ENERGIZED ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) IGN FUSE SECURITY IND SIL TOP OF ENGINE) TRANSPONDER KEY AMPLIFIER (IN STEERING COLUMN) TRANSPONDER KEY ECU (BEHIND LEFT SIDE OF DASH) UNLOCK WARNING SWITCH (LOWER LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 BATT BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAN (+) CAN (-) CAN (+) ECU-B FUSE EFI 1 FUSE EFI 3 FUSE EFI RELAY ENGINE COMPT) ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR START IGN FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT GRN WIRE NCB NCO NTB NTO NTO NTB NCO NCB ORG/ WIRE RED WIRE SL SLT- SLT+ SLU- SLU+ SLT- SLU+ STARTING/ CHARGING SYSTEM STARTING/ STA NSW STP IGSW CHARGING SYSTEM TRANSMISSION CONTROL ECU TRANSMISSION CONTROL ECU (LEFT FRONT OF VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

ACM BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ WHT WIRE BLU/BLK WIRE BRN WIRE CAN (+) ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE IGF IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 LT BLU WIRE LT GRN WIRE NOISE FILTER (IGNITION 1) NOISE FILTER (IGNITION 2) PNK WIRE RED WIRE TOP OF ENGINE) TRANSMISSIONS SYSTEM VSV (ACM) VSV (ACM) (LEFT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

11 4 PNK WIRE ACIS AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CANISTER PRESSURE SENSOR CANISTER PUMP MODULE (UNDER CENTER OF VEHICLE) CRANKSHAFT POSITION SENSOR EKNK ENGINE ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR EPPM ETHA EX+ GRN WIRE GRN/RED WIRE GRY WIRE KNOCK CONTROL SENSOR (BANK 1) KNOCK CONTROL SENSOR (BANK 2) LEAK DETECTION PUMP LT GRN WIRE MASS AIR FLOW METER MASS AIR FLOW METER (LEFT SIDE OF ENGINE COMPT, PART OF AIR INTAKE ASSEMBLY) NCA WIRE NE+ NE- NE+ PNK ETA VCTA WIRE PNK WIRE POWER STEERING OIL PRESSURE SWITCH POWER STEERING OIL PRESSURE SWITCH (RIGHT SIDE OF PPMP PRG ACIS PSW RED WIRE THA THW ETHW PPMP EPPM VCPP ETHA TOP OF ENGINE) VCPP VENT VALVE VG THA PSW PNK WIRE VIO WIRE VVL+ VVR+ VVT SENSOR (BANK 1 EXHAUST SIDE) VVT SENSOR (BANK 1 INTAKE SIDE) VVT SENSOR (BANK 1 INTAKE SIDE) (RIGHT FRONT OF ENGINE) VVT SENSOR (BANK 2 EXHAUST SIDE) VVT SENSOR (BANK 2 INTAKE SIDE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE