84140-0D291 Headlight Switch for Toyota Vios Yaris NSP150 2013-2017

1. Product Details

◆ This headlight switch assembly is a direct replacement for the original Toyota unit, designed to control the headlamp dimmer, turn signals, and related lighting functions from the steering column.

◆ The OEM reference number is 84140-0D291. The catalog designation is “Switch Assy, Headlamp Dimmer” .

◆ The switch is engineered to OEM standard dimensions for direct fitment onto the steering column without modification.

◆ It is primarily designed for the Toyota Vios and Yaris (NSP150 chassis), covering model years from approximately 2013 through 2017.

◆ This product is a headlamp dimmer switch assembly manufactured to meet original quality standards for electrical switching, fit, and durability.

2. Product Parameters

◆ Part Number: 84140-0D291

◆ Component Type: Headlamp Dimmer Switch / Combination Switch Assembly

◆ Vehicle Make: Toyota

◆ Model: Vios, Yaris (NSP150)

◆ Placement: Steering column

◆ Function: Headlight control, dimmer, turn signal (typical combination switch configuration)

◆ Note: Verify connector type and pin configuration against your vehicle‘s original switch before ordering

3. Product Features

◆ OEM Standard Fit: Manufactured to exact original specifications for a direct, hassle-free replacement.

◆ Reliable Lighting Control: Provides consistent switching for headlamps, high/low beam, and turn signals.

◆ Durable Construction: Built with materials resistant to repeated actuation and steering column environment.

◆ Cost-Effective Solution: An ideal alternative to costly dealership parts without compromising on fit or function.

4. Compatible Vehicles & Years

◆ Toyota Vios (NSP150): 2013–2017

◆ Toyota Yaris (NSP150): 2013–2017

◆ Note: Fitment may vary by market and trim level. Verify against your vehicle’s original part number and production year before ordering.

5. FAQ

Q1: Is this a genuine Toyota part?

A: The 84140-0D291 reference is the original equipment part number. Both genuine Toyota and aftermarket equivalents are available that match the original fit and function.

Q2: How do I confirm if it fits my vehicle?

A: Check your vehicle‘s existing switch. If it is stamped with 84140-0D291, this replacement will fit. Also confirm your vehicle is a Toyota Vios or Yaris (NSP150) produced between 2013 and 2017.

Q3: What are the symptoms of a failing headlight switch?

A: Common signs include headlights not turning on or off, high/low beam not switching, turn signals not functioning, and intermittent operation requiring multiple attempts. Check the related fuses and relays before replacing the switch, as these can also cause similar symptoms.