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Vehicle Wiring Details for your
2009-2012 Toyota Avalon Wiring Diagram
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Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2009-2012 Toyota Avalon . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.


 PART   COLOR  LOCATION
 12 VOLT CONSTANT   BLACK (+)   @ DASH FUSE BOX, (WHITE, 1-Pin Plug(A) Pin 1
 STARTER  BLUE (+) NOTE #2  @ IGNITION SWITCH, (WHITE, 8-Pin Plug) Pin 8
 STARTER 2  RED (+)  @ IGNITION SWITCH, (WHITE, 8-Pin Plug) Pin 1
 IGNITION 1  YELLOW (+) NOTE #3  @ IGNITION SWITCH, (WHITE, 8-Pin Plug) Pin 6
 IGNITION 2  GREEN (+) NOTE #4  @ IGNITION SWITCH, (WHITE, 8-Pin Plug) Pin 4
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  GRAY (+) NOTE #5  @ IGNITION SWITCH, (WHITE, 8-Pin Plug) Pin 3
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  BLUE (-)  @ HEADLIGHT SWITCH, (WHITE, 20-Pin Plug) Pin 18
 PARKING LIGHTS ( + )  N/A  
 POWER LOCK  GREEN to PURPLE (TYPE B), NOTE #7  in DRIVERS KICK PANEL, (WHITE, 20-Pin Plug) Pin 16
 POWER UNLOCK  BLUE to BROWN (TYPE B), NOTE #8  in DRIVERS KICK PANEL, (WHITE, 20-Pin Plug) Pin 17
 DOOR TRIGGER  BLUE to PINK (-)  in DRIVERS KICK PANEL, (BLUE, 20-Pin Plug) Pin 3
 DOMELIGHT SUPERVISION  BROWN (-  @ DASH FUSE BOX, (WHITE, 12-Pin Plug(R) Pin 5
 TRUNK RELEASE  BLUE (-)  @ RELEASE SWITCH (WHITE, 6-Pin Plug) Pin 5
 SLIDING POWER DOOR  N/A  
 HORN  GRAY (-)  @ HORN SWITCH (WHITE, 12-Pin Plug) Pin 8
 TACH  BLACK to WHITE (AC)  LEFT of Steering Column (WHITE, 18-Pin Plug) Pin 17
 WAIT TO START LIGHT  N/A  
 BRAKE  WHITE to BLUE (+)  @ BRAKE SWITCH or DASH FUSE BOX, (WHITE, 12-Pin Plug(P) Pin 3
 FACTORY ALARM DISARM   GRAY to PURPLE (-) NOTE #9  in DRIVERS KICK PANEL, (WHITE, 20-Pin Plug) Pin 19
 ANTI-THEFT  TOYOTA'S TRANPONDER SYSTEM, See NOTE #1  @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE #1: TOYOTA'S TRANSPONDER SYSTEM, Requires Bypass Module: (For Remote Starting Only) Part #791 Bypass, (Requires Extra Key) for Operation, 2009-2011. (For Remote Starting Only) Part # PK-ALL Bypass. (No Extra Key Required for Operation) 2-KEYS Required to Program Module, for Model years 2009-2010 Only!! (For Remote Starting/Keyless Entry) Part #DB-ALL, (NO Extra Key Required for Operation) 1-Key Required for Programming, for model year 2011 only! To order please go to the SECURITY BYPASS MODULE Page or INTERFACE BYPASS MODULE Page on this website. NOTE #2: on vehicles with SMART KEY, PUSH-BUTTON Start, the START Switch 1 wire is BLUE (-) and the START Switch 2 wire is PURPLE (-) at the ENGINE Switch (BLACK, 14-Pin Plug) Pins 7 and 2. NOTE #3: on vehicles with SMART KEY, PUSH-BUTTON Start, the Ignition wire is BEIGE to YELLOW (+) located to the LEFT of the Steering Column, (WHITE, 18-Pin Plug) Pin 11 NOTE #4: on vehicles with SMART KEY, PUSH-BUTTON Start, the Ignition 2 wire is a LT. GREEN (+) located at the DASH FUSE BOX, (REAR, WHITE, 10-Pin Plug(I) Pin 9 NOTE #5: on vehicles with SMART KEY, PUSH-BUTTON Start, the ACCESSORY wire is a RED (+) located at the DASH FUSE BOX, (REAR, WHITE, 10-Pin Plug(I) Pin 3 NOTE #6: the BODY ECU is located under the DRIVERS DASH, it is attached to the RIGHT side of the DASH FUSE BOX. NOTE #7: this wire is only needed if the Door Locks do not function with the Aftermarket System while the vehicle is running. All other times just use the Factory Alarm Arm wire. NOTE #8: this wire is only needed if the Door Locks do not function with the Aftermarket System while the vehicle is running. All other times just use the Factory Alarm Disarm wire. NOTE #9: TEST this wire while turning the Key in the Drivers Door, this wire will also Unlock the doors.
 
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