* The car's owner's manual. The owner's manual for your Celica should have a section that includes a vacuum diagram.
* Online. There are a few websites that offer vacuum diagrams for different vehicles. A quick Google search should bring up a few results.
* A local auto parts store. Many auto parts stores have vacuum diagrams available for purchase.
Here are a few tips for finding the right vacuum diagram:
* Make sure the diagram is for the correct year, make, and model of your vehicle.
* If possible, find a diagram that is specific to your engine type.
* If you are unable to find a vacuum diagram for your specific vehicle, you may be able to use a diagram for a similar vehicle.
Once you have found a vacuum diagram, you can use it to troubleshoot any problems with your Celica's vacuum system.
