Standard Ignition RY-1605 Headlight Washer Relay

Brand Standard Ignition RY-1605
Connector Gender Female
Functions Relay
Mounting Bracket(s) Included No
Terminal Gender Male
Terminal Type Blade Terminals
Voltage 12
Fits Toyota and Lexus · 68 vehicles

Relay function. Controls the headlight washer circuit with a 12-volt design.

Blade terminals. Six male blades and a female connector simplify electrical hookup.

Cross-references Standard Ignition RY-1605, 20815 and 8594230020 for the same application. See all 5.

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Headlight Washer Relay for Toyota and Lexus

Restore proper headlight washer operation with Standard Ignition RY-1605. This 12-volt relay uses a 6-terminal blade design with a female connector and male terminals for a direct electrical replacement in supported Toyota and Lexus applications.

  • Headlight washer relay for 12-volt systems
  • 6 blade terminals with female connector and male terminals
  • No mounting bracket included
  • Direct replacement for select Toyota Prius and Lexus models
  • Cross-references Standard Ignition RY-1605 for the same application

Application Coverage

Compatible with a wide range of Toyota and Lexus vehicles, including Fits 2010-2015 Toyota Prius, N/A; Fits 2011-2013 Lexus CT200h, N/A; Fits 2010-2013 Lexus GX460, N/A; Fits 2006-2013 Lexus IS250, N/A; Fits 2006-2013 Lexus IS350, N/A; Fits 2010-2013 Lexus RX350, N/A; and additional listed applications through 2005-2006 Lexus GS300, N/A. The RY-1605 is also listed for Lexus GS350, GS460, LS460, LS600h, HS250h, GS450h, GS430, IS F, and Toyota Sequoia coverage in the specified model years.

What It Helps Restore

  • Inoperative headlight washer relay function
  • Intermittent washer activation
  • Electrical switching issues in the washer circuit
  • Relay-related washer system faults on Toyota and Lexus vehicles

Installation Notes

Verify connector style, terminal count, and voltage before installation. This relay uses blade terminals and a female connector, so the replacement should match the vehicle’s original electrical interface. Confirm the vehicle application by year, make, and model before service.

Quality Assurance

Standard Ignition RY-1605 is built as an electrical relay replacement for supported factory-style applications. It is specified for 12-volt systems and follows the listed connector and terminal configuration for proper fitment in the covered Toyota and Lexus vehicles.

This part fits 68 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015ToyotaPriusN/A—
2014ToyotaPriusN/A—
2013LexusCT200hN/A—
2013LexusGX460N/A—
2013LexusIS250N/A—
2013LexusIS350N/A—
2013LexusRX350N/A—
2013ToyotaPriusN/A—
2012LexusCT200hN/A—
2012LexusGX460N/A—
2012LexusHS250hN/A—
2012LexusIS250N/A—
2012LexusIS350N/A—
2012LexusRX350N/A—
2012ToyotaPriusN/A—
2011LexusCT200hN/A—
2011LexusGS350N/A—
2011LexusGS460N/A—
2011LexusGX460N/A—
2011LexusHS250hN/A—
2011LexusIS250N/A—
2011LexusIS350N/A—
2011LexusLS460N/A—
2011LexusLS600hN/A—
2011LexusRX350N/A—
2011ToyotaPriusN/A—
2011ToyotaSequoiaN/A—
2010LexusGS350N/A—
2010LexusGS450hN/A—
2010LexusGS460N/A—
2010LexusGX460N/A—
2010LexusHS250hN/A—
2010LexusIS250N/A—
2010LexusIS350N/A—
2010LexusLS460N/A—
2010LexusLS600hN/A—
2010LexusRX350N/A—
2010ToyotaPriusN/A—
2010ToyotaSequoiaN/A—
2009LexusGS350N/A—
2009LexusGS450hN/A—
2009LexusGS460N/A—
2009LexusIS FN/A—
2009LexusIS250N/A—
2009LexusIS350N/A—
2009LexusLS460N/A—
2009LexusLS600hN/A—
2009ToyotaSequoiaN/A—
2008LexusGS350N/A—
2008LexusGS450hN/A—
2008LexusGS460N/A—
2008LexusIS FN/A—
2008LexusIS250N/A—
2008LexusIS350N/A—
2008LexusLS460N/A—
2008LexusLS600hN/A—
2008ToyotaSequoiaN/A—
2007LexusGS350N/A—
2007LexusGS430N/A—
2007LexusGS450hN/A—
2007LexusIS250N/A—
2007LexusIS350N/A—
2007LexusLS460N/A—
2006LexusGS300N/A—
2006LexusGS430N/A—
2006LexusIS250N/A—
2006LexusIS350N/A—
2005LexusGS300N/A—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — RY-1605208158594230020AR7109R7108