Updated: 06/26/2024 • Published: 10/08/2007
The Modified Life staff has put their heads together to create an invaluable resource containing car alarm wiring diagram, remote car starter wiring diagram, car wiring diagram and car security wiring diagram. Feel free to use any car alarm wiring diagram or remote car starter wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2002 Lexus ES300. If you can’t find your car alarm wiring diagram or remote start wire diagram on Modified Life, please feel free to post a car wiring diagram request (Car Alarm Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation. 2002 Lexus ES300 Car Alarm and Remote Car Starter Wiring Information Constant 12V+ Wire: White/Red Starter Wire (+): Black/White Second Starter Wire (+): Green/Yellow Ignition Wire (+): Black/Red Second Ignition Wire: Black/Yellow Accessory Wire: Blue Second Accessory Wire: N/A Tachometer Wire: Black/Orange Key Sense Wire: Blue Door Lock Wire (-): Blue/Yellow Door Unlock Wire (-): Blue Door Trigger Wire (-): The driver door trigger is red/green at lower left of the fuse box. The passenger door is red/green at upper left of the fuse box. The left rear door trigger is red/white, and the right rear is red/yellow, at the bottom of the fuse box. Use all four and diode isolate each. Dome Supervision Wire: Comes on with unlock. Headlights Wire (-): N/A Parking Light Positive Wire (+): Green Parking Light Negative Wire (-): Red Trunk/Hatch Pin Wire (-): Green Hood Pin Wire (-): Black Trunk/Hatch Release Wire (-): White/Blue Factory Alarm Arm Wire: Arms with lock. Factory Alarm Disarm Wire (-): Disarms with unlock. Factory Alarm Disarm but No Unlock Wire (-): N/A Horn Trigger Wire (-): Green/Black Brake Wire (+): Green/White Parking Emergency Brake Wire (+): Red/White
Whether your an expert installer or a novice enthusiast with a 2002 Lexus ES300, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car alarm, remote car starter, car security system or any mobile electronics is identifying the correct wires for a 2002 Lexus ES300.
Constant 12V+ Wire Location: Ignition Switch Harness
Starter Wire Location: Ignition Switch Harness
Start Wire Location: Ignition Switch Harness
Ignition Wire Location: Ignition Switch Harness
Second Ignition Wire Location: Ignition Switch Harness
Accessory Wire Location: Front of Fuse Box
Accessory Wire Location: N/A
Tachometer Wire Location: Pin 5, 31 pin plug @ ECM. The ECM (Engine Control Module) is behind the glove box.
Key Sense Location: Ignition Switch Harness
Door Lock Wire Location: Driver door module in door.
Door Unlock Wire Location: Driver door module in door.
Door Trigger Wire Location: N/A
Dome Supervision Wire Location: N/A
Headlights Wire Location: N/A
Parking Light Positive Wire Location: Bottom of fuse box.
Parking Light Negative Wire Location: Headlight Switch
Trunk/Hatch Pin Wire Location: Driver kick panel or light in trunk.
Hood Pin Wire Location: Theft ECU behind glove box.
Trunk/Hatch Release Wire Location: Driver kick panel. (The fuel door release is red/white (+) in the driver kick panel.)
Factory Alarm Arm Wire Location: N/A
Factory Alarm Disarm Wire Location: N/A
Factory Alarm Disarm Wire Location: N/A
Horn Trigger Wire Location: Horn Switch in Steering Column
Brake Wire Location: Brake Pedal Switch
Parking Emergency Brake Wire Location: Emergency Brake Switch
Car Alarm Wiring Diagram and Car Wiring Diagrams – 2002 Lexus ES300
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