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

1 20 3 ACT+ LSWL ACT- 11 12 14 8 7 4 16 PRG RDA DCTY 17 4 10 LCTY 21 1 2 KSW TR+ HAZ 26 15 BECU IG 27 21 5 23 25 LSWP 3 2 4 LOCK 4 2 LOCK BATB BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM DETECTION DOME FUSE DOOR 1 FUSE DOOR 2 FUSE DOOR LOCK CONTROL SWITCH DRIVER'S SIDE DOOR LOCK ASSEMBLY (LEFT FRONT DOOR) ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD RELAY HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT IN ACC OR ON INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LEFT "C" PILLAR) LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR LOCK ASSEMBLY (LEFT REAR DOOR) LOCK LSWD ACTD RCTY LSWR PCTY LGCY LT GRN WIRE LUGGAGE DOOR LOCK ASSEMBLY MAIN FUSE MPX-B FUSE ORG/ WIRE PNK WIRE POWER WINDOW MASTER SWITCH RED WIRE RELAY ENERGIZED RIGHT REAR DOOR COURTESY SWITCH (LOWER RIGHT "C" PILLAR) RIGHT REAR DOOR LOCK ASSEMBLY (RIGHT REAR DOOR) TAIL RELAY TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) UNLOCK VIO WIRE WHT WIRE WHT/BLK 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 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

BLK WIRE BLU WIRE BRN WIRE CA+ CB+ CGND COMPUTER DATA LINES SYSTEM CV+ GRN WIRE GRY WIRE INNER REARVIEW MIRROR LEFT STEERING SWITCH LT BLU WIRE MACC MIC - MICROPHONE MODE NAVIGATION RECEIVER ASSEMBLY NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK WIRE REAR TELEVISION CAMERA ASSEMBLY RED WIRE RIGHT STEERING SWITCH SEEK SGND SPRIAL CABLE STEERING PAD SWITCH TXI+ TXO+ VIO WIRE VOICE VOL (-) WHT 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

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

5 4 3 2 1 LIN BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ID CODE BOX ID CODE BOX (BEHIND LEFT SIDE OF DASH) IGN 2 FUSE IGN FUSE INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) LIN LT GRN WIRE ORG/ WIRE PNK IGE SGND GND WIRE PNK IGE WIRE PNK WIRE POWER SOURCE CONTROL ECU POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY IGN 2 FUSE SGND SLP SLR+ SLR+ SLP STARTING/ CHARGING SYSTEM STEERING LOCK ECU STEERING LOCK ECU (BEHIND LEFT SIDE OF DASH) STR LOCK FUSE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

-SR -SL +SR +SL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PD- PD+ A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY PASSENGER'S AIR BAG ON/OFF INDICATOR AIR BAG SENSOR ASSEMBLY CENTER AIR BAG SENSOR ASSEMBLY CENTER (UNDER FRONT OF CENTER FLOOR CONSOLE) AIR BAG SQUIB (FRONT PASSENGER'S AIR BAG ASSEMBLY) AIR BAG SQUIB (KNEE AIR BAG) AIR BAG SQUIB (STEERING WHEEL PAD) BBD- BBL+ BBP- BBR+ BCL+ BCR+ BLK WIRE BLU WIRE BODY ECU CABLE SPIRAL CABLE) CANL PAON COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 DBE- DK DK DK+ DRIVER'S SIDE FRONT SEAT INNER BELT DRIVER'S SIDE FRONT SEAT INNER BELT (UNDER DRIVER'S SEAT) DSP+ ECU-B FUSE ENGINE ROOM R/B FRONT PASSENGER'S SEAT BACK) FSP- GRN WIRE GRY WIRE GSW HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ECU-B FUSE ICD+ ICD- ICD+ BBD+ SFD+ SFD- DBE+ DBE- DSP- DSP+ BBD- ICP+ INSTRUMENT PANEL J/B LEFT "C" PILLAR) LEFT CURTAIN SHIELD AIR BAG SQUIB LEFT CURTAIN SHIELD AIR BAG SQUIB (LEFT "C" PILLAR) LEFT FRONT SIDE AIR BAG SENSOR LEFT FRONT SIDE AIR BAG SENSOR (LOWER LEFT "B'' PILLAR) LEFT REAR SIDE AIR BAG SENSOR LEFT REAR SIDE AIR BAG SENSOR (LOWER LEFT "C" PILLAR) LEFT SIDE AIR BAG SQUIB LEFT SIDE AIR BAG SQUIB (DRIVER'S SEAT BACK) ORG/ WIRE P- P+ D+ D- P-AB PAON PASSENGER'S AIR BAG ON/OFF INDICATOR PD+ PP+ PP- SFP- SFP+ BBP+ ICP+ ICP- BBP- FSP+ FSP- PP- RED WIRE RIGHT CURTAIN SHIELD AIR BAG SQUIB RIGHT CURTAIN SHIELD AIR BAG SQUIB (RIGHT "C" PILLAR) RIGHT FRONT SIDE AIR BAG SENSOR RIGHT FRONT SIDE AIR BAG SENSOR (LOWER RIGHT "B'' PILLAR) RIGHT PRETENSIONER RIGHT PRETENSIONER (LOWER RIGHT "B'' PILLAR) RIGHT REAR SIDE AIR BAG SENSOR RIGHT REAR SIDE AIR BAG SENSOR (RIGHT "C'' PILLAR) RIGHT SIDE AIR BAG SQUIB RIGHT SIDE AIR BAG SQUIB (FRONT PASSENGER'S SEAT BACK) SEAT POSITION AIR BAG SENSOR SFD- SFL- SFP+ SFR- SIL SIL P-AB GSW SL- SPIRAL SR- STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED 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