Toyota Avalon XX30 facelift 2 (2010-2012) engine control module Wiring diagrams

A/C CONTROL ASSEMBLY AGND BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CODE CTY DATA LINK CONNECTOR 3 DRIVER'S SIDE DOOR COURTESY SWITCH EFI 1 FUSE EFI 3 FUSE EFI RELAY EFII EFIO ENGINE CONTROL MODULE ENGINE ROOM J/B ENGINE ROOM R/B GRN WIRE GRY WIRE HOT AT ALL TIMES HTR FUSE IGN FUSE IGNITION KEY CYLINDER LIGHT IMI IMO IND INSTRUMENT PANEL J/B KEY COIL LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RELAY ENERGIZED SECURITY IND SIL TOP OF ENGINE) TRANSPONDER TRANSPONDER KEY AMPLIFIER (IN STEERING COLUMN) TRANSPONDER KEY ECU TXCT UNLOCK WARNING SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU EFI 3 FUSE EFII EFIO ENGINE CONTROL MODULE ENGINE ROOM R/B GRN WIRE HOT AT ALL TIMES ID CODE BOX IMI IMO LIN LT GRN WIRE MPXB ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU RED WIRE STEERING LOCK ECU WHT WIRE WHT/BLK WIRE

14 16 DCTY RCTY 16 23 ACAN PCTY 17 16 15 PNK WIRE 17 19 LCTY PKB 18 17 PNK WIRE 19 2 SPD TACH 2 4 SPD TACH 8 15 SPD TACH 9 SPEAKER W/O NAVIGATION 12 SPEAKER W/O NAVIGATION W/ NAVIGATION A/C AMPLIFIER A/C AMPLIFIER (RIGHT SIDE OF DASH) ACAN BEAN I/F BLK WIRE BLK/WHT WIRE BLU WIRE BODY ECU BRN WIRE CLOCK DCTY DIODE (STEREO COMPONENT AMPLIFIER) DRIVER'S SIDE DOOR COURTESY SWITCH DRIVER'S SIDE DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE OIL PRESSURE SWITCH ENGINE OIL PRESSURE SWITCH (LEFT SIDE OF ENGINE) ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SIDE DOOR COURTESY SWITCH FRONT PASSENGER'S SIDE DOOR COURTESY SWITCH (LOWER RIGHT "B" PILLAR) GRN WIRE GRY WIRE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LCTY LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY SWITCH (LOWER LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE MICON NAVIGATION RECEIVER ASSEMBLY ORG/ WIRE P-I/P I/F (IG) PARKING BRAKE PEDAL ASSEMBLY) PARKING BRAKE SWITCH PARKING BRAKE SWITCH (PARKING BRAKE PEDAL ASSEMBLY) PCTY PNK WIRE POWER SOURCE CONTROL ECU POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RADIO RECEIVER ASSEMBLY RADIO RECEIVER ASSEMBLY (W/O NAVIGATION) NAVIGATION RECEIVER ASSEMBLY RCTY RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY SWITCH (LOWER RIGHT "C" PILLAR) STEREO COMPONENT AMPLIFIER (UNDER FRONT PASSENGER'S SEAT) TACH TACO TIRE PRESSURE WARNING ECU TIRE PRESSURE WARNING ECU (BEHIND RIGHT SIDE OF DASH) TRANSMISSION CONTROL ECU TRANSMISSION CONTROL ECU (LEFT FRONT OF ENGINE COMPT) VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

ALT FUSE BEAN I/F BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM DOME +B DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) DRIVE IC DRIVER'S SIDE DOOR COURTESY SWITCH ECU B+ ELECTRONIC KEY IND ENGINE CONTROL MODULE ENGINE ROOM J/B 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 ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PNK WIRE POWER SUPPLY CIRCUIT RED WIRE S-HORN FUSE SECURITY HORN SECURITY HORN RELAY SUPPLY TRANSAXLE TRANSPONDER KEY AMPLIFIER UNLOCK DETECTION UNLOCK WARNING SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIRELESS DOOR LOCK BUZZER YEL WIRE

BATB BLK WIRE BLK/WHT WIRE BLU WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM DCTY DETECTION DOOR 2 FUSE DRIVER'S SIDE DOOR LOCK ASSEMBLY ECU- IG 1 FUSE ECU-ACC FUSE ENGINE CONTROL MODULE FRONT PASSENGER'S SIDE DOOR COURTESY SWITCH FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LCTY LEFT "C" PILLAR) LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR LOCK ASSEMBLY LGCY LOCK LSWD LSWL LSWP LSWR LT GRN WIRE LUGGAGE DOOR LOCK ASSEMBLY MPX-B FUSE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PCTY PNK WIRE POWER WINDOW MASTER SWITCH RCTY RED WIRE RELAY ENERGIZED RIGHT REAR DOOR RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR LOCK ASSEMBLY TAIL RELAY TRANSAXLE TURN SIGNAL FLASHER UNLOCK UNLOCK DETECTION VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

41 49 COMPUTER DATA LINES SYSTEM CANH CANL 6 21 RRSR BLK WIRE BLU WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) EXTERIOR LIGHTS, NAVIGATION SYSTEMS GAUGE 1 FUSE GRN WIRE GRY WIRE HOT IN ON OR START HOT IN ON OR START GAUGE 1 FUSE HOT IN ON OR START RR S/SHADE FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT "C" PILLAR) LT BLU WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH (TRANSAXLE) PNK WIRE REAR SUNSHADE RELAY REAR SUNSHADE RELAY (CENTER FRONT OF LUGGAGE COMPT) REAR SUNSHADE SWITCH RED WIRE REV RR S/SHADE FUSE RRSR TRANSAXLE TRANSMISSION CONTROL ECU TRANSMISSION CONTROL ECU (LEFT FRONT OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 IG BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU- IG 1 FUSE ECU-ACC FUSE ENGINE COMPT) ENGINE CONTROL MODULE ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GAUGE 1 FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) ECU IG-1 FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C KEY INTERLOCK SOLENOID KLS+ LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH (TRANSAXLE) PNK WIRE POWER SOURCE CONTROL ECU POWER SOURCE CONTROL ECU (W/ SMART KEY SYSTEM) (BEHIND RIGHT SIDE OF DASH) RED WIRE SHIFT LOCK CONTROL ECU SHIFT LOCK CONTROL ECU (UNDER CENTER FLOOR CONSOLE, NEAR PARKING BRAKE LEVER) SHIFT LOCK SOLENOID SLS+ SLS+ SHIFT LOCK SOLENOID STOP 1 FUSE STOP LAMP SWITCH STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH) TRANSAXLE 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

ALT FUSE BATTERY BLK WIRE BLU WIRE ENGINE CONTROL MODULE ENGINE ROOM J/B ENGINE ROOM R/B GRN WIRE GRY WIRE IGNITION SWITCH INSTRUMENT PANEL J/B LT GRN WIRE MAIN FUSIBLE LINK OFF ON LOCK ORG/ WIRE P/N PARK/NEUTRAL POSITION SWITCH RED WIRE ST RELAY STARTER TRANSAXLE TRANSMISSION CONTROL ECU VIO WIRE WHT WIRE WHT/BLK WIRE YEL 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

+B STA 35 28 36 +BM +BM 13 14 16 51 25 8 20 44 1 2 ACCR STSW SFTU SFTD 41 49 27 CANH CANL TC 62 63 25 26 27 24 NSW STAR ACCELERATOR POSITION SENSOR ACCR BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAN (+) CAN- CAN+ M- M+ COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR CRANKSHAFT POSITION SENSOR (LEFT FRONT OF ENGINE) CTSW 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 R/B ETCS FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ETCS FUSE ROOM R/B (LEFT SIDE OF ENGINE COMPT) IGSW STP LT GRN WIRE NCA WIRE NE+ ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH (TRANSAXLE) PNK ETA THW ETHW NE+ NE- 79 78 WIRE PNK WIRE POWER SOURCE CONTROL ECU POWER SOURCE CONTROL ECU (W/ SMART KEY SYSTEM) (BEHIND RIGHT SIDE OF DASH) RED WIRE SFTD SFTU SPD BATT MREL STAR STARTING/CHARGING SYSTEM STSW THROTTLE BODY ASSEMBLY (TOP REAR OF ENGINE) TOP OF ENGINE) TRANSAXLE VIO WIRE VPA VCPA EPA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE