Is it possible that you got counterfeit fluid? From outside packed looks like original green Toyota WS bud inside cheap dextron II or III. I was in 4 services and everywhere there was a fake WS, This can be determined by the external difference of the canister because Chinese engineers have not learned how to fake the original Nagao Seican can.
If you have empty Toyota Ws canister, let we see
If you have empty Toyota Ws canister, let we see