It has a timing chain , not belt,, therefore, no changes required.
No, it has a chain that should last the life of the engine.
On a 2000 yaris 1.0 GS - there is no fuel filter to change in the service schedule. The man at Toyota Parts reckoned the filter was just placed in fuel tank. That's why the Yaris is cheap to service :- no fuel filter and no timing belt (chain driven).
belt
chain
Your 2000 Toyota Celica has a chain and not a belt. The chain requires no maintenance.
4 cylinder Toyota Tacoma's have a timing chain. The V6 has a belt.
timing belt
It has a timing belt.
Belt
It comes with a chain.
No. Timing belt. Not chain.