Standard Ignition EFL164 Automatic Headlight Sensor

Brand Standard Ignition EFL164
Connector Gender Female
Connector Quantity 1
Connector Shape Square
Connector Type Plug in
Contents Sensor
Terminal Gender Male
Terminal Quantity 4
Terminal Type Blade
Fits Lexus and Toyota · 20 vehicles

Plug-in design. Square connector with a single female plug-in connection.

Blade terminals. Four male blade terminals for a secure electrical connection.

Sensor replacement. Automatic headlight sensor from Standard Ignition.

Cross-references Standard Ignition EFL164, 8912130010 and AHS503 for the same application. See all 4.

$234.36Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $234.36
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Automatic Headlight Sensor for Toyota and Lexus

Standard Ignition EFL164 is an automatic headlight sensor used in select Toyota and Lexus applications with factory automatic lighting control. It features a female square plug-in connector and a 4-blade male terminal layout for direct replacement of the original sensor.

  • Automatic headlight sensor for factory lighting control systems
  • Female connector with square plug-in design
  • 1 connector, 4 male blade terminals
  • Direct-fit replacement for select Toyota Highlander, Prius, Venza, Camry, Land Cruiser, and Lexus LX470 applications
  • Cross-references AHS503 and FC754 for the same application

Fitment and Application Details

Compatible with 2011 Toyota Highlander, w/o Auxiliary AC; 2008-2010 Toyota Highlander, w/ Single Zone Temp Control; 2010 Toyota Prius; 2009-2010 Toyota Venza; 2007-2009 Toyota Camry; 2003-2007 Lexus LX470; and 2003-2007 Toyota Land Cruiser. Standard Ignition EFL164 is built for vehicles that use an automatic headlight sensor in the listed factory configuration.

What This Sensor Helps Address

  • Headlights that do not switch on or off automatically
  • Incorrect ambient light detection for automatic lighting operation
  • Fault codes related to the light sensor circuit
  • Intermittent automatic headlamp response
  • Loss of factory automatic headlight function after sensor failure

Installation Notes and Tips

Verify the connector shape, terminal count, and vehicle equipment before installation. This sensor uses a square, plug-in female connector with 4 male blade terminals, so matching the original electrical interface is important for proper operation. Confirm the exact model-year and option package listed for your Toyota or Lexus application before ordering.

Quality Assurance

Standard Ignition supplies replacement electrical components for OE-style service applications. EFL164 is cataloged for the specific Toyota and Lexus fitments listed above, including Toyota Highlander, Toyota Camry, Toyota Prius, Toyota Venza, Toyota Land Cruiser, and Lexus LX470.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2011ToyotaHighlanderN/Aw/o Auxiliary AC
2010ToyotaHighlanderBaseN/Aw/ Single Zone Temp Control
2010ToyotaPriusN/A
2010ToyotaVenzaN/A
2009ToyotaCamryLEN/A
2009ToyotaHighlanderBaseN/Aw/ Single Zone Temp Control
2009ToyotaVenzaN/A
2008ToyotaCamryLEN/A
2008ToyotaHighlanderBaseN/Aw/ Single Zone Temp Control
2007LexusLX470N/A
2007ToyotaCamryLEN/A
2007ToyotaLand CruiserN/A
2006LexusLX470N/A
2006ToyotaLand CruiserN/A
2005LexusLX470N/A
2005ToyotaLand CruiserN/A
2004LexusLX470N/A
2004ToyotaLand CruiserN/A
2003LexusLX470N/A
2003ToyotaLand CruiserN/A
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — EFL1648912130010AHS503FC754