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2021 Toyota Corolla, Keyless Entry Wiring


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keith parnell 
Member - Posts: 1
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Joined: April 04, 2023
Location: Arkansas, United States
Posted: April 05, 2023 at 3:31 PM / IP Logged Link to Post Post Reply Quote keith parnell
Need Toyota Corolla 2021 wiring info to install keyless entry
kreg357 
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Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 30, 2009
Location: Pennsylvania, United States
Posted: April 08, 2023 at 5:23 PM / IP Logged Link to Post Post Reply Quote kreg357
Not sure what aftermarket RKE system you are using or the exact model of Corolla but... Don't have the info on a 2021 but here is the basic info on a 2020 Corolla, regular "H" key sedan. 2020 and 2021 are probably the same.
OEM Alarm Arm        GREEN(-) DASH FUSE BOX,BLK 21 PIN , PIN 18
OEM Alarm Disarm      PURPLE(-)DASH FUSE BOX ,BLK 21 PIN , PIN 17
Trunk Release        PINK (REVERSE)          DASH FUSE BOX , WHITE 36 PIN , PIN 20
Parking Lamp (+)      BLUE     DASH FUSE BOX, WHITE 36 PIN , PIN 30
Parking Lamp (-)      GREEN    HEADLIGHT SWITCH , WHITE 40 PIN ,PIN 3
Horn   BLUE (-) OR PURPLE(-)   DASH FUSE BOX , WHITE 32PIN,PIN 27 OR STEERING COLUMN BLK 14 PIN PIN 7
Constant 12 volts     DASH FUSE BOX           WHITE 1 PIN CONNECTOR   
Ignition #1           BLACK    IGNITION SWITCH ,WHITE 8 PIN , PIN 8
Accessory #1          RED(+)   IGNITION SWITCH , WHITE 8 PIN , PIN 6
Use the Arm and Disarm wires to do both lock & arm, unlock & disarm. You will need a relay to do the trunk release as it is a 5-Wire reverse situation.
Soldering is fun!

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