HomeElectrical, Lighting and Body > SensorsStandard Ignition EFL165 Automatic Headlight Sensor
Part #: EFL165

Standard Ignition EFL165 Automatic Headlight Sensor

76 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus and Toyota, 4Runner, Camry, Celica, Corolla, GS300, Highlander, IS300, Matrix, Prius, RAV4, RX300, and Solara
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Reliable Automatic Headlight Sensor for Lexus and Toyota Vehicles

The Standard Ignition EFL165 automatic headlight sensor is designed to provide accurate and consistent headlight activation for select Lexus and Toyota models. Engineered with a female square plug-in connector and male blade terminals, this sensor ensures a secure electrical connection for optimal performance.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Shape: Square
  • Connector Type: Plug in
  • Terminal Gender: Male
  • Terminal Quantity: 3
  • Terminal Type: Blade
  • Contents: Sensor only

Detailed Product Description

The Standard Ignition EFL165 automatic headlight sensor features a single female square plug-in connector that interfaces with the vehicle’s wiring harness. It includes three male blade terminals designed for a reliable electrical connection, ensuring the sensor accurately detects ambient light levels to control headlight operation. This sensor is compatible with a range of Lexus and Toyota models including the 4Runner, Camry, Celica, Corolla, GS300, Highlander, IS300, Matrix, Prius, RAV4, RX300, and Solara. The plug-in design simplifies replacement and helps maintain factory-level functionality.

Common Applications and Issues Addressed

  • Automatic headlight failure or intermittent operation
  • Headlights not turning on or off in low light conditions
  • Sensor-related dashboard warning lights
  • Inconsistent headlight sensitivity or delayed activation
  • Replacement for damaged or faulty headlight sensors on compatible Lexus and Toyota models

Installation Notes and Tips

When installing the Standard Ignition EFL165 sensor, ensure the female square plug-in connector is securely attached to the vehicle’s wiring harness. Verify that the three male blade terminals are properly aligned and seated to avoid poor electrical contact. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts. Consult the vehicle’s service manual for specific sensor location and removal instructions on models such as the Toyota Camry or Lexus RX300.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The EFL165 automatic headlight sensor undergoes rigorous quality control testing to ensure proper fit and function. Please refer to Standard Ignition’s warranty policy for coverage details on this sensor.

BrandStandard Ignition
Part NumberEFL165
Connector GenderFemale
Connector Quantity1
Connector ShapeSquare
Connector TypePlug in
ContentsSensor
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade

This part fits 76 vehicles. Search below:

YearMakeModelPositionNotes
2011ToyotaRAV4N/A
2010ToyotaCorollaN/A
2010ToyotaMatrixN/A
2010ToyotaRAV4N/A
2009Toyota4RunnerN/A
2009ToyotaCorollaN/A
2009ToyotaMatrixN/A
2009ToyotaPriusN/A
2009ToyotaRAV4N/A
2008Toyota4RunnerN/A
2008ToyotaCorollaN/A
2008ToyotaMatrixN/A
2008ToyotaPriusN/A
2008ToyotaRAV4N/A
2007Toyota4RunnerN/A
2007ToyotaCorollaN/A
2007ToyotaHighlanderN/A
2007ToyotaMatrixN/A
2007ToyotaPriusN/A
2006Toyota4RunnerN/A
2006ToyotaCorollaN/A
2006ToyotaHighlanderN/A
2006ToyotaMatrixN/A
2006ToyotaPriusN/A
2005LexusGS300N/A
2005LexusIS300N/A
2005Toyota4RunnerN/A
2005ToyotaCelicaN/A
2005ToyotaCorollaN/A
2005ToyotaHighlanderN/A
2005ToyotaMatrixN/A
2005ToyotaPriusN/A
2004LexusGS300N/A
2004LexusIS300N/A
2004Toyota4RunnerN/A
2004ToyotaCelicaN/A
2004ToyotaCorollaN/A
2004ToyotaHighlanderN/A
2004ToyotaMatrixN/A
2004ToyotaPriusN/A
2003LexusGS300N/A
2003LexusIS300N/A
2003LexusRX300N/A
2003Toyota4RunnerN/A
2003ToyotaCelicaN/A
2003ToyotaCorollaN/A
2003ToyotaHighlanderN/A
2003ToyotaMatrixN/A
2002LexusGS300N/A
2002LexusIS300N/A
2002LexusRX300N/A
2002ToyotaCelicaN/A
2002ToyotaCorollaN/A
2002ToyotaHighlanderN/A
2001LexusGS300N/A
2001LexusIS300N/A
2001LexusRX300N/A
2001ToyotaCamryN/A
2001ToyotaCelicaN/A
2001ToyotaCorollaN/A
2001ToyotaHighlanderN/A
2001ToyotaSolaraN/A
2000LexusGS300N/A
2000LexusRX300N/A
2000ToyotaCamryN/A
2000ToyotaCelicaN/A
2000ToyotaCorollaN/A
2000ToyotaSolaraN/A
1999LexusGS300N/A
1999LexusRX300N/A
1999ToyotaCamryN/A
1999ToyotaCorollaN/A
1999ToyotaSolaraN/A
1998LexusGS300N/A
1998ToyotaCamryN/A
1998ToyotaCorollaN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8912112010AHS504EFL165FC755

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.