Where is number 1 cylinder on 1999 Toyota Sienna 3.0l?

On the 1999 Toyota Sienna with a 3.0L engine, the number 1 cylinder is located at the front of the engine, closest to the timing belt. The cylinders are numbered from front to back, with number 1 being on the driver's side. This means that the firing order starts with the number 1 cylinder and continues back to number 6 on the passenger side.