Parts for your 2016 Toyota Vitz|yaris-Transmission filter

2016 Toyota Vitz/Yaris Transmission Filter – Do You Have One?

For the 2016 Toyota Vitz/Yaris (XP130 series), whether a “transmission filter” is relevant depends entirely on which gearbox it’s running. Toyota’s workshop literature and parts catalogue make this clear. The Toyota Global Service Information (TIS) repair manuals for the U340E/U341E 4‑speed automatic detail an on-pan “Oil Strainer (ATF)” that can be replaced when the pan is off. By contrast, the CVT K41x Super CVT‑i manuals specify an internal strainer and pan magnets with no scheduled filter replacement, the strainer is addressed only during overhaul. The Toyota Electronic Parts Catalogue (EPC) for NSP130/NCP131 variants likewise lists an “Oil Strainer, Automatic Transaxle” for U340E/U341E vehicles, and no separate service filter for K41x CVT models.

So, a serviceable transmission filter is fitted on cars with the 4‑speed automatic (common on Australian-delivered Yaris), and not used on K41x CVT cars (common among NZ/JDM Vitz imports).

• CVT (K410/K411/K41A Super CVT‑i): No replaceable service filter, internal strainer and magnets only.
• 4‑speed automatic (Aisin U340E/U341E): Replaceable oil strainer (“filter”) inside the pan.

If your 2016 Vitz/Yaris has the 4‑speed automatic, the transmission filter’s job is simple but important. It screens clutch material and fine debris before fluid reaches the valve body and solenoids, helping keep shifts crisp and hydraulic passages clean. Magnets in the pan catch ferrous fuzz, the strainer handles the rest. Over time, especially with stop‑start city driving and heat, the strainer can load up and the fluid’s additives deplete. That’s where sensible maintenance comes in.

Toyota doesn’t publish a strict time/km interval for replacing the AT oil strainer on the U340E/U341E—under normal service they focus on fluid condition checks. In Australian and New Zealand conditions, many technicians opt to drop the pan, clean the magnets and replace the strainer and pan gasket somewhere around 90,000–120,000 km, or sooner if the fluid is dark, there’s shift flair, or the pan’s been opened for any reason. Always refill with Toyota ATF WS (don’t mix fluids), use a new pan gasket, torque the pan bolts correctly, and set the level by temperature as per the TIS procedure (a scan tool or suitable method is needed). Expect a pan-drop refill to take roughly 2.5–3.0 litres, more if doing multiple drain-and-fills. Going genuine or OE‑quality on the strainer is worthwhile, and a fresh seal on the fill/overflow plug helps prevent weeps. After the job, a short adaptive drive cycle helps the transmission settle in.

Running a Vitz/Yaris with the K41x CVT? There isn’t a service-replaceable transmission filter. Toyota designs these units with a fine internal strainer and pan magnets, and the official service path is fluid inspection/replacement with the correct Toyota CVT fluid (FE or TC as labelled under the bonnet) and pan/magnet cleaning only if the unit is opened. Adding aftermarket inline filters isn’t recommended, as flow restriction can upset CVT pressure control.

FAQs

How can they tell if their 2016 Vitz/Yaris has a serviceable transmission filter?
Check the transmission type. If the shifter shows D–3–2 (or L), it’s the 4‑speed auto with a serviceable strainer. If it shows a “B” position or an S/B pattern, it’s likely the K41x CVT with no serviceable filter. The build plate’s trans/axle code helps too: U340/U341 = 4AT, K41x = CVT.

When should the transmission filter be changed?
On the 4‑speed auto, many workshops in Aus/NZ replace the strainer around 90,000–120,000 km, or sooner if there are shift issues or dirty fluid. Toyota’s schedule focuses on fluid condition, but a proactive pan drop, magnet clean and strainer swap is cheap insurance. CVT models don’t have a replaceable filter.

What fluid should they use?
4‑speed auto: Toyota ATF WS only. CVT: Toyota CVT Fluid FE or TC as specified on the under‑bonnet label and in TIS. Don’t mix types, and always set the level by the temperature method.