Parts for your 2011 Toyota Vitz|yaris-Tail lights

2011 Toyota Vitz/Yaris Tail-Lights — Purpose, Care and Replacement

Tail-lights are absolutely relevant and fitted to the 2011 Toyota Vitz/Yaris. This is confirmed by Toyota’s Owner’s/Repair Manuals and Electrical Wiring Diagrams for the NCP/NLP/NSP13# series, and by legal lighting requirements including Australia’s ADR 13/00 (installation of lighting) and ADR 49/00 (position/stop lamps), plus New Zealand’s Land Transport Rule: Vehicle Lighting 2004. In short, the car is designed and certified to run rear position (tail) lamps, stop lamps, indicators, reverse lamps and reflectors as part of its rear combination lights.

On this model, the tail-lights keep the car visible from behind at night and in poor weather, and share the cluster with brake, indicator and reverse functions. Some trims use conventional bulbs (commonly W21/5W or 7443 for tail/stop, PY21W for indicator, and W16W for reverse), while select variants may have LED elements for certain functions. Owners should check the handbook or parts label before buying replacements.

As part of everyday servicing, it’s smart to give the tail-lights a quick once-over:

• Function test: Switch on park lights, press the brake, select reverse and indicate to confirm each light is working. Get a mate to help or back up to a wall to see reflections.
• Lens and seals: Look for cracks, UV fade or moisture. Light condensation can clear, pooling water means a failed seal and the lamp may need replacement.
• Bulbs and holders: If a bulb is out, access is usually via the boot lining. Remove the trim clips, twist the bulb holder, and swap like-for-like. Don’t touch glass with bare fingers.
• Electrics: If multiple rear lights are dead, check the relevant fuse and the earth (ground) connection at the lamp. Brake lights only? Consider the brake-light switch if bulbs and fuses are fine.

For LED-equipped variants, individual LEDs generally aren’t serviceable—replace the complete lamp assembly if an LED section fails. When upgrading to aftermarket LED bulbs on non-LED models, ensure they’re road-legal and don’t trigger hyper-flash or bulb-out warnings, quality CANbus-compatible units help. Tighten lamp mounting nuts evenly to avoid cracking the housing, and always verify operation before refitting trims. Keeping the tail-lights clean and functional helps the Vitz/Yaris stay compliant for rego or WOF and, more importantly, clearly seen on the road.

FAQs

What bulb types fit the 2011 Vitz/Yaris tail-lights?
Depending on market and trim, common types are W21/5W or 7443 (tail/stop), PY21W/BAU15s (indicator, amber), and W16W/921 (reverse). Always confirm against the owner’s manual or the base marking on the old bulb to avoid mismatches.

There’s condensation in the tail-light — is it a problem?
Light misting after rain or washing often dissipates as the lamp warms up and breathes. Visible droplets, puddling, or repeated fogging point to a leaking seal or cracked lens, which can lead to failed bulbs and WOF/rego issues. In that case, repair the seal or replace the unit.

Can they upgrade to LED tail bulbs legally in AU/NZ?
Upgrades must meet the intent of ADRs (AU) and the Vehicle Lighting Rule (NZ). The light must be the correct colour, brightness and aim, without glare. In practice, quality, road-legal LED replacements that maintain proper intensity and don’t interfere with indicators or warnings are the go, when in doubt, keep it OEM.