Your Selected Vehicle
Parts for your 2009 Toyota Vitz|yaris-Interior bulbs
Explore 4WD & Adventure
Narva Marine 12V Saturn Dual Colour 75mm LED Interior Lamp with Touch Switch (White/Red) - 87501WRBL
Narva Marine 12V Saturn Dual Colour 130mm LED Interior Lamp with Touch Switch (White/Red) - 87503WRBL
2009 Toyota Vitz/Yaris Interior Bulbs
Interior bulbs are definitely fitted to the 2009 Toyota Vitz/Yaris (XP90). The Toyota Owner’s Manual and Toyota service literature for this generation specify cabin illumination as standard equipment, including a roof (dome) lamp and a luggage/boot lamp, with some trims adding front map/reading lamps. These sources also outline service precautions and bulb ratings, confirming the part’s relevance on this model.
In everyday use, the interior bulbs make the cabin friendlier and safer after dark—lighting up seats, the console and the boot so it’s easier to find belongings and check child seats. As part of regular servicing for a 2009 Vitz/Yaris, it’s worth giving them a quick once-over: confirm they switch on with the doors, operate on the fade/dimmer function, and don’t flicker. If they look yellowed or weak, a simple bulb refresh can tidy up the interior feel nicely.
- Common fitments on this model: dome lamp (typically a 31 mm festoon such as DE3175), boot lamp (often T10/W5W/194 wedge), plus optional front map lamps (T10/W5W/194). Always verify the exact type and wattage against the vehicle handbook or the lamp marking.
- Stay within the specified wattage to avoid melting lenses or overheating the holder.
For drivers keen on a modern look, quality LED replacements can be used, provided they’re the correct size and brightness. LEDs run cooler and last longer, but check polarity (they only work one way) and make sure the output isn’t so bright that it causes glare. On rare occasions, an LED may faintly glow with the door closed, a resistor or a different LED design usually fixes that.
- Switch the interior light off. Protect trim with a clean cloth.
- Use a small trim tool to gently release the lens, avoid metal screwdrivers if possible.
- Let hot halogen bulbs cool, then remove. Handle new halogen bulbs with a tissue to keep oils off the glass.
- Fit the correct bulb (observe polarity for LEDs). Test before refitting the lens.
- Reclip the lens evenly to avoid cracking tabs.
If a lamp won’t work after replacement, check the relevant fuse, confirm the door-ajar switch isn’t stuck, and inspect for corrosion in the holder. During routine service, a quick clean of the lenses with a mild interior cleaner keeps the light output crisp and the cabin looking sharp.
What interior bulb sizes does a 2009 Vitz/Yaris use?
Most 2009 Vitz/Yaris trims use a 31 mm festoon for the dome light and T10/W5W (194) wedge bulbs for the boot and any front map lamps. Because trim levels vary by market, it’s best to confirm against the owner’s manual or the marking on the lamp housing before buying.
Can the interior bulbs be upgraded to LED?
Yes. Choose LEDs that match the original sizes (31 mm festoon, T10/W5W) and keep brightness sensible to avoid glare. Check polarity when installing. If an LED glows faintly when off, try a different LED type or add a small load resistor.
Why do my interior lights stay on after I shut the doors?
Most often the dimming timer is at work and they’ll fade out after a short delay. If they don’t, check the lamp switch position (Door/On/Off), ensure all doors and the hatch are fully latched, and inspect door-ajar switches. A stuck switch or misadjusted latch is common and easy to sort.
