Toyota Avalon XX30 (2005-2007) engine control module (behind right side of dash) Wiring diagrams

ABS BLK WIRE BLU WIRE BLU/BLK WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE/ BRN WIRE BUZZER CIRCUIT SUPPLY COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU- IG 1 FUSE ECU-IG 2 FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) ECU-B FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE MPX-B ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 12 13 WIRE PNK WIRE POWER RADAR FUSE RED WIRE SLIP SPEEDOMETER STEERING SENSOR (ON STEERING COLUMN) STOP 1 FUSE STOP 2 FUSE STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VSC VSC WARNING BUZZER (BEHIND LEFT SIDE OF DASH) W/O DYNAMIC RADAR CRUISE CONTROL WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (BELOW REAR OF CENTER FLOOR CONSOLE) YEL WIRE

3 2 1 +B SI GND 33 34 CANH CANL TACH A/C AMPLIFIER (RIGHT SIDE OF DASH) A/C BLOWER ASSEMBLY A/C COMPRESSOR (RIGHT FRONT OF ENGINE COMPARTMENT) A/C EVAPORATOR TEMPERATURE SENSOR A/C PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPARTMENT) A/C ROOM TEMPERATURE SENSOR (BEHIND CENTER OF DASH) AIR INLET DAMPER SERVO MOTOR AUTOMATIC LIGHT CONTROL SENSOR (ON TOP OF DASH) B+ BUS BLK WIRE BLK/WHT WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BRN WIRE BUS - BUS G COMBINATION METER COMPUTER DATA LINES SYSTEM DAMPER SERVO MOTOR DAMPER SERVO MOTOR (AIR MIX DRIVER SIDE) DAMPER SERVO MOTOR (AIR VENT MODE) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (ON TOP REAR OF ENGINE) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) HEATER FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOUSING COLOR (BLUE) SMART CONNECTOR HOUSING COLOR (RED) SMART CONNECTOR WIRE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) A/C FUSE LOCK SENSOR LT BLU WIRE LT GRN WIRE MAGNETIC CLUTCH MG+ MGC SOL+ LOCK BLW PRE TSP TR SG-3 SG-1 GND IG+ ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE RED WIRE SGA SMART CONNECTOR HOUSING COLOR (BLACK) SMART CONNECTOR HOUSING COLOR (GREEN) SOL + SOL- FLOW CONTROL VALUE SSR+ TACO MPX+ MPX- TSD SG-2 TEA TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

33 34 CANH CANL 42 24 11 25 13 WFSE TS CANH CANL D/G 25 26 15 11 AIR BAG SENSOR ASSEMBLY CENTER BLK WIRE BLU WIRE BRN WIRE CG SG CANH SIL LVL DATA LINK CONNECTOR 3 (AT LOWER LEFT SIDE OF DASH) DIA ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HEADLAMP LEVELING ECU (BEHIND LEFT SIDE OF DASH) HOT AT ALL TIMES INIT INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT GRN WIRE OBD FUSE OCCUPANT CLASSIFICATION ECU (IN FRONT PASSENGER'S SEAT) ORG/ WIRE PASSENGER SIDE J/B PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) W/ POWER SEAT PNK 1 2 WIRE PNK TC WIRE PNK WIRE RED WIRE SIL TC SKID CONTROL ECU W/ ACTUATOR (AT RIGHT SIDE OF ENGINE COMPT) STEERING SENSOR (W/ VSC) (ON STEERING COLUMN) TRANSPONDER KEY ECU (W/O SMART KEY SYSTEM) (BEHIND LEFT SIDE OF DASH) TS TC CANL WFSE BATT VIO WIRE W/ VSC W/O VSC WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (W/ VSC) (BELOW REAR OF CENTER FLOOR CONSOLE)

33 34 CANH CANL BEAN I/F BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (FRONT OF ENGINE COMPARTMENT) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (ON TOP REAR OF ENGINE) ENGINE RDI FAN FUSE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) ENGINE ROOM R/B FAN 1 RELAY (ON LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START HTR FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LT GRN WIRE M- SUB FAN MOTOR M+ MAIN FAN MOTOR M+ MICON WHT WIRE WHT/BLK WIRE YEL WIRE

+BM TC VPA EPA VCPA PNK WIRE 1 2 3 8 9 15 16 7 23 18 20 26 19 21 27 +B 4 5 17 M- M+ ACCELERATOR POSITION SENSOR (BEHIND LEFT CENTER OF DASH) BATT MREL IGSW STP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) EFI 1 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LT GRN WIRE NCA WIRE RED WIRE SPD CCS CANH CANL THROTTLE BODY ASSEMBLY (ON TOP REAR OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BM TC VPA EPA VCPA PNK WIRE 1 2 3 8 9 15 16 7 23 18 20 26 19 21 27 31 +B 4 5 17 M- M+ ACCELERATOR POSITION SENSOR (BEHIND LEFT CENTER OF DASH) BATT MREL IGSW STP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) EFI 1 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LGND LT GRN WIRE NCA WIRE RED WIRE SPD CANH CANL CCHG CCS THROTTLE BODY ASSEMBLY (ON TOP REAR OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

19 2 SPD TACH 8 1 SPD TACH A/C AMPLIFIER (RIGHT SIDE OF DASH) A/O A/T LCD ACAN ACTIVE CIRCUIT SRS IND ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BEAN I/F BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BUZZER CHARGE IND CLOCK (W/ NAVIGATION) COMBINATION METER COMPUTER DATA LINES SYSTEM DOOR IND (USA) (EXCEPT USA) DRIVER'S SEAT BELT IND DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-ACC FUSE ECU-B FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM HEADLIGHTS SYSTEM ENGINE OIL PRESSURE SWITCH (ON LEFT SIDE OF ENGINE) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) DOME FUSE FUEL GAUGE FUEL IND GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD IND TAIL IND HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILLUM INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LCD (ACC) LCD ODO/TRIP LED ILLUM LEFT TURN IND RIGHT TURN IND LT BLU WIRE LT GRN WIRE MAINT REQD IND MALFUNCTION IND LAMP HEADLIGHT BEAM LEVEL IND MICON MULTI-DISPLAY (W/ NAVIGATION) MULTI-INFORMATION SYSTEM CIRCUIT WARNING SYSTEM NAVIGATION ECU (LEFT SIDE OF LUGGAGE COMPT) OIL PRESSURE IND ORG/ WIRE P-I/P I/F (IG) PARKING BRAKE SWITCH (ON PARKING BRAKE PEDAL ASSEMBLY) PKB BODY ECU PNK WIRE POINTER ILLUM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT RANGE RED WIRE SECURITY IND SPEEDOMETER SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER MPX +B TACO TEMP GAUGE VIO WIRE W/ NAVIGATION W/O NAVIGATION WASHER LEVEL IND WHT WIRE WHT/BLK WIRE YEL WIRE

1 5 GND +B 16 4 PNK WIRE 3 2 PRG RDA 34 33 23 CANL CANH BEAN I/F BLK WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (AT RIGHT "C" PILLAR) DOOR IND DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DRIVER'S SIDE DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FRONT DOOR) FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY (IN RIGHT GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HEAD HORN RELAY HORNS SYSTEM HOT AT ALL TIMES LT GRN WIRE MI SIDE I/F (+B) MICON ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK 1 2 3 4 5 6 7 WIRE PNK WIRE RED WIRE S-HORN FUSE SECURITY HORN (RIGHT REAR OF ENGINE COMPT) SECURITY HORN RELAY SUPPLY TRANSPONDER KEY AMPLIFIER (IN STEERING COLUMN) UNLOCK WARNING SWITCH (LOWER LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

1 2 TR+ HAZ 14 7 4 16 DCTY LSWD ACTD RCTY 20 17 4 LSWL LCTY 26 15 22 21 BECU IG 27 21 5 23 25 LSWP BATB TRLY BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM DOOR 2 FUSE DRIVER'S SIDE DOOR LOCK ASSEMBLY (IN LEFT FRONT DOOR) ECU- IG 1 FUSE ECU-ACC FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FRONT PASSENGER'S SIDE DOOR COURTESY FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY (IN RIGHT FRONT DOOR) GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT REAR DOOR COURTESY SWITCH (LOWER LEFT "C" PILLAR) LEFT REAR DOOR LOCK ASSEMBLY (IN LEFT REAR DOOR) LSWR PCTY LGCY LT GRN WIRE LUGGAGE DOOR LOCK ASSEMBLY (IN LUGGAGE COMPT LID) MPX-B FUSE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK WIRE RED WIRE RIGHT REAR DOOR COURTESY SWITCH (LOWER RIGHT "C" PILLAR) RIGHT REAR DOOR LOCK ASSEMBLY (IN RIGHT REAR DOOR) SWITCH (LOWER RIGHT "B" PILLAR) TAIL RELAY TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACCD ACCR AGND ANTENNA COIL ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM, SHIFT INTERLOCK SYSTEM BATTERY BATTERY GROUND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CODE COMPUTER DATA LINES SYSTEM CTSW SLR+ DRIVER SIDE J/B DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INDS INDS PNK WIRE INDW INSTRUMENT CLUSTER SYSTEM JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE P/N PARK/NEUTRAL POSITION SWITCH PNK WIRE POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SWITCH RDA STSW RED WIRE RELAY SHIFT INTERLOCK SYSTEM SHIFT INTERLOCK SYSTEM INSTRUMENT CLUSTER SLP SMART KEY ECU (BEHIND RIGHT SIDE OF DASH) STAR STARTER STARTER CUT RELAY STARTER RELAY STSW SWIL SYSTEM TXCT VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE