Yes. Timing belt is correct.
timing chain
you don't. 2003 Toyota matrix xrs does not have a timing belt. It has a timing chain which never needs replacing.
It has a timing chain.
It has a timing chain
timing CHAIN
Chain
You don't change it. The Toyota Matrix has a timing chain that will last the life of the engine.
Timing chain. If it had a belt you would see the replacement interval in your manual.
The 1.8 litre four cylinder engine in a 2009 Toyota Matrix has a timing CHAIN
http://www.toyota.com/help/faq-service.html 2004 Toyota Mtrix has timing chain
The Toyota matrix uses a timing chain.
a 1994 Toyota Celica GT has a timing belt.